REVIEW 2 major objections 5 minor 140 references
Neutron capture measurements for s-process nucleosynthesis; A review about CERN n_TOF developments and contributions
T0 review · 2 major / 5 minor · reviewed 2026-08-07 · deepseek-v4-flash
Pith's one-line read A 25-year review of n_TOF neutron-capture measurements argues that successive detector and facility upgrades have made the hardest s-process branching nuclei measurable, with 79Se now showing clear resonances below about 1 keV.
desk verdict A useful review of n_TOF's s-process capture program; the only new claim, 79Se resonances, is premature and needs to be marked as preliminary. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The argument is carried by the neutron time-of-flight technique combined with successive generations of detectors and spallation targets. The relevant objects are the C6D6 total-energy detectors (with low neutron sensitivity) and their successors, the i-TED Compton array and the small-volume sTED array, together with the phase-IV third-generation lead spallation target that improved both flux and resolution function at the 20-m EAR2 station. The figure of merit FOM = 1/(m_i σ_i f_e) quantifies experimental difficulty and serves as the organizing device for showing how facility and detector upgrades expanded the reachable parameter space.
What would settle it
If the final background-subtracted 79Se spectrum no longer shows a statistically significant resonance structure below about 1 keV, or if the observed peaks can be reproduced by 60Co decay and neutron scattering in the lead-selenide matrix alone, the paper's operative 79Se claim is false. A clean test would be an activation measurement on a radiochemically pure 79Se sample at a Maxwellian neutron source, giving an independent MACS that should match the TOF result.
Extended reading notes
Core claim
The central claim is that the n_TOF facility has moved s-process branching measurements from stable, high-enrichment cases like 151Sm to extremely demanding radioactive samples such as 94Nb and 79Se, with each step enabled by a specific facility or detector development. The paper documents this through a figure of merit FOM = 1/(m_i σ_i f_e), where m_i is the sample mass, σ_i the 30-keV Maxwellian cross section, and f_e the enrichment, showing a systematic increase in difficulty over time. For 79Se, where the sample contains only 2.7 mg of the isotope in a PbSe eutectic and has a 1.4 MBq 60Co contamination, the authors state that a number of resonances below about 1 keV are clearly observed, so the first neutron-capture cross section for this branching point will be provided once the analysis is finalized.
Load-bearing premise
The strongest load-bearing premise is that the resonances seen below about 1 keV in the 79Se data are genuine neutron captures on 79Se and will survive the final background subtraction, which must remove the 1.4 MBq 60Co contamination and neutron scattering in the PbSe eutectic matrix.
Editorial extensions
If this is right
- If the 79Se analysis is confirmed, the branching at 79Se can be used to constrain the thermal conditions of the s-process in both AGB stars and massive stars, using the well-measured Kr isotopic abundances in presolar graphite grains.
- The new 209Bi(n,γ) measurement at EAR2 should extend the covered neutron-energy range and improve the resonance statistics, refining the r-process residual determination for 209Bi.
- The 140Ce result, which is up to 40% higher than previous MACS values, makes the cerium discrepancy in globular cluster M22 more puzzling and motivates the ongoing NEAR activation campaign.
- Combining the 94Nb and stable Mo cross sections from n_TOF will remove the neutron-capture contribution to the unexplained 94Mo excess in mainstream SiC grains, leaving the stellar β-decay rate as the likely residual cause.
- The NEAR activation station, fed by radioisotopically pure samples from a nearby isotope-separation facility, offers a complementary route for cases like 135Cs where TOF measurements are impractical.
Reading between the lines
- One testable extension is to check the 79Se resonance identification against a radiochemically pure selenium sample, which would eliminate the lead-scattering and 60Co backgrounds that complicate the current PbSe data.
- If the 79Se cross section is measured over the full about 1 eV to 100 keV range, the s-process temperature diagnostic based on 80Kr/82Kr may be sharpened enough to distinguish between competing AGB mixing models.
- The inverse-kinematics storage-ring concept described in the paper could in principle extend direct neutron-capture measurements to r-process nuclei close to the drip line, a step beyond the branching isotopes the paper surveys.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. This is a review article by the n_TOF Collaboration summarizing 25 years of neutron-capture measurements at CERN n_TOF relevant to s-process nucleosynthesis. It describes the evolution of the facility (spallation targets, EAR1/EAR2, and the future NEAR station), the development of detection systems (C6D6, i-TED, sTED, STAR), and the main measurements of s-process branching nuclei (151Sm, 93Zr, 63Ni, 171Tm, 204Tl, 94Nb, 79Se) as well as selected stable isotopes (140Ce, 209Bi, 28-30Si). The central thesis is that these advances have enabled increasingly challenging experiments and have led to a better understanding and modeling of the s-process mechanism, with a look toward future facilities and techniques such as activation at NEAR and inverse-kinematics measurements.
Significance. The review fills a useful niche as a single narrative account of n_TOF's contributions to s-process neutron-capture physics over 25 years. Its strengths are the historical organization by branching isotopes, the explicit discussion of experimental limitations such as sample purity and 60Co contamination, and the clear presentation of facility upgrades and detector innovations. If the article were confined to already published results, its claims would be broadly consistent with the cited literature and the review would be a helpful reference for the community. However, the article also advances new or preliminary results, most notably the claimed observation of 79Se resonances below ~1 keV, which is not yet supported by the evidence shown in the manuscript. Because the 79Se case is presented as the most challenging measurement and as a 'new exciting result', this preliminary claim is load-bearing for the article's central narrative and needs to be either substantiated, explicitly labeled as preliminary, or removed.
major comments (2)
- [Sec. 3, 79Se(n,γ) paragraph] The sentence 'We clearly observe a number resonances below ~1 keV related to neutron-capture on 79Se' is presented as a definitive result, yet the immediately preceding sentence states that the combined i-TED and sTED data analysis from the two experimental areas 'is expected to be completed soon' and no background-subtracted yield, blank PbSe measurement, or 60Co-only comparison is shown. With only 2.7 mg of 79Se at 7e-4 enrichment in a PbSe matrix, with 5 MBq of 75Se and 1.4 MBq of 60Co activity, the Sec. 5 discussion itself identifies lead scattering and 60Co contamination as major limitations; residual backgrounds could plausibly mimic resonances below 1 keV. This is load-bearing because the 79Se case is the centerpiece of the 'most challenging measurement' narrative and contributes to the abstract's claim of 'new exciting results'. Please either present the supporting evidence, explicitly label the observation as preliminary, or remove it.
- [Sec. 4.1, 209Bi(n,γ) paragraph] The text states that preliminary results from the 2024 EAR2 measurement indicate 'an improvement in both the covered energy range and the number (and statistical accuracy) of resonances observed', but no quantitative values or uncertainties are given and Fig. 6 shows only a capture-yield comparison for two sample thicknesses. If these preliminary claims are retained, they should either be phrased as expectations or accompanied by the numerical basis; as written, the reader cannot assess the claimed improvement. This is a smaller instance of the same premature-result issue noted above and should be fixed in the same revision.
minor comments (5)
- [Throughout] There are numerous typographical errors (e.g., 'strenth', 'bottelneck', 'relateively', 'importants-process', 'Switzwerland', 'discribing'); the manuscript needs a careful proofreading pass.
- [Eq. (1)] The FOM is explicitly arbitrary, but its dimension is undefined because mi is in mg, σi in mb, and fe is dimensionless; please state the normalization or use a dimensionless form so that Fig. 2 has a clearly interpretable axis.
- [Sec. 3, 204Tl paragraph] The citation [62] for the methodology that accounts for the 600-keV threshold appears to point to the 151Sm PRL rather than to a methodology paper; please verify and correct this reference.
- [Fig. 2 caption] The vertical axis and quantitative scale of the FOM are not described; the reader cannot tell whether the values are logarithmic or absolute or what units are used.
- [Sec. 4.1, 140Ce(n,γ)] The review quotes a 40% higher MACS and a 20% reduction in the s-process abundance; since this is a published result [101], a brief statement of the quoted uncertainties would help the reader interpret the discrepancy with the activation result [105].
Circularity Check
No significant circularity: the review's conclusions rest on externally published measurements, and the only new data claim (79Se resonances) is an explicitly unfinished intermediate result, not a derivation from fitted inputs.
full rationale
This manuscript is a collaboration self-review; its evidentiary backbone is the n_TOF collaboration's own peer-reviewed publications (e.g., [24], [37], [49], [53], [58]) plus independent astrophysical modelling papers. A review restating and interpreting previously published results is not a derivation, so the usual self-definitional or fitted-input-as-prediction patterns do not apply. The only in-paper quantitative construct, the 'figure of merit' in Eq. (1), is explicitly 'arbitrarily defined' and descriptive; it is used only to rank difficulty of already-published measurements and is not fitted to or used to predict any cross section or resonance parameter. The 79Se(n,g) section contains a forward-looking observation ('We clearly observe a number resonances below ~1 keV related to neutron-capture on 79Se') but the same paragraph states the 'complex data-analysis ... is expected to be completed soon'; the claim is therefore an interim data statement, whose possible fragility (unsubtracted backgrounds from 60Co and PbSe scattering, noted in Sec. 5) is a completeness/robustness concern rather than a circularity. No equation is equivalent to its own input, no fitted parameter is renamed as a prediction, and no uniqueness theorem or ansatz is imported from the authors' prior work to force the conclusions. The many self-citations are the normal genre of a facility review and refer to independently published, falsifiable measurements. Hence no circular step is identified; score 2 reflects only the modest self-referential character of a self-review, not any circular reasoning.
Assumptions & free parameters
assumptions (3)
- domain assumption Published n_TOF cross sections cited in Sections 3 and 4 are accurate within their quoted uncertainties.
- standard math The R-matrix formalism is a valid framework for extracting resonance parameters from capture yields.
- ad hoc to paper Backgrounds from 60Co and lead in the 79Se PbSe sample can be separated from capture resonances.
Cite this review
Pith. "Pith review of Neutron capture measurements for s-process nucleosynthesis; A review about CERN n_TOF developments and contributions." pith.science (2026). https://pith.science/paper/AQ3X6RDM
@misc{pith2026250210306,
author = {Pith},
title = {Pith review of: Neutron capture measurements for s-process nucleosynthesis; A review about CERN n_TOF developments and contributions},
year = {2026},
howpublished = {\url{https://pith.science/paper/AQ3X6RDM}},
note = {Machine review of arXiv:2502.10306}
}
abstract
This article presents a review about the main CERN n\_TOF contributions to the field of neutron-capture experiments of interest for $s$-process nucleosynthesis studies over the last 25 years, with special focus on the measurement of radioactive isotopes. A few recent capture experiments on stable isotopes of astrophysical interest are also discussed. Results on $s$-process branching nuclei are appropriate to illustrate how advances in detection systems and upgrades in the facility have enabled increasingly challenging experiments and, as a consequence, have led to a better understanding and modeling of the $s$-process mechanism of nucleosynthesis. New endeavors combining radioactive-ion beams from ISOLDE for the production of radioisotopically pure samples for activation experiments at the new NEAR facility at n\_TOF are briefly discussed. On the basis of these new exciting results, also current limitations of state-of-the-art TOF and activation techniques will be depicted, thereby showing the pressing need for further upgrades and enhancements on both facilities and detection systems. A brief account of the potential technique based on inverse kinematics for direct neutron-capture measurements is also presented.
Figures
Figures from the paper (5 more)
Reference graph
Works this paper leans on
-
[24]
Marrone et al
S. Marrone et al. A low background neutron flux monitor for the n TOF facility at CERN. Nuclear Instruments and Methods in Physics Research A , 517(1-3):389–398, Jan 2004
2004
-
[62]
Abbondanno et al
U. Abbondanno et al. Neutron capture cross section mea- surement of 151Sm at the cern neutron time of flight fa- cility (n tof). Physical Review Letters , 93:161103, Oct 2004
2004
-
[1]
E. M. Burbidge et al. Synthesis of the elements in stars. Reviews of Modern Physics , 29:547–650, Oct 1957
1957
-
[2]
A. G. W. Cameron. On the origin of the heavy elements. Astronomical Journal, 62:9–10, Feb 1957
1957
-
[3]
R. L. Macklin et al. Neutron Capture in Tin Isotopes at Stellar Temperatures. Nature, 194(4835):1272, Jun 1962
1962
-
[4]
R. L. Macklin et al. Neutron Capture in the Samarium Isotopes and the Formation of the Elements of the Solar System. Nature, 197(4865):369–370, Jan 1963
1963
-
[5]
R. L. Macklin and J. H. Gibbons. Capture-Cross-Section Studies for 30-220-keV Neutrons Using a New Technique. Physical Review, 159:1007–1012, July 1967
1967
-
[6]
J. H. Gibbons and R. L. Macklin. Neutron Cap- ture and Stellar Synthesis of Heavy Elements. Science, 156(3778):1039–1049, May 1967. 14 C. Domingo-Pardo et al.: Neutron capture measurements for s-process nucleosynthesis
1967
Show all 140 references
-
[7]
K¨ appeler et al
F. K¨ appeler et al. The s process: Nuclear physics, stellar models, and observations. Reviews of Modern Physics , 83(1):157–194, Jan 2011
2011
-
[8]
Dillmann et al
I. Dillmann et al. Measuring neutron capture cross sec- tions of radioactive nuclei: From activations at the FZK Van de Graaff to direct neutron captures in inverse kine- matics with a storage ring at TRIUMF. European Phys- ical Journal A , 59(5):105, May 2023
2023
-
[9]
Travaglio et al
C. Travaglio et al. Galactic Evolution of Sr, Y, And Zr: A Multiplicity of Nucleosynthetic Processes. ApJ, 601(2):864–884, February 2004
2004
-
[10]
Bisterzo et al
S. Bisterzo et al. The branchings of the main s-process: their sensitivity to α-induced reactions on 13C and 22Ne and to the uncertainties of the nuclear network. MNRAS, 449(1):506–527, May 2015
2015
-
[11]
Prantzos et al
N. Prantzos et al. Chemical evolution with rotating mas- sive star yields II. A new assessment of the solar s- and r-process components. MNRAS, 491(2):1832–1850, Jan- uary 2020
2020
-
[12]
Bisterzo et al
S. Bisterzo et al. Galactic Chemical Evolution and So- lar s-process Abundances: Dependence on the 13C-pocket Structure. ApJ, 787(1):10, May 2014
2014
-
[13]
Arlandini et al
C. Arlandini et al. Neutron Capture in Low-Mass Asymp- totic Giant Branch Stars: Cross Sections and Abundance Signatures. ApJ, 525(2):886–900, November 1999
1999
-
[14]
S. Goriely. Uncertainties in the solar system r-abundance distribution. A&A, 342:881–891, February 1999
1999
-
[15]
Arnould et al
M. Arnould et al. The r-process of stellar nucleosynthe- sis: Astrophysics and nuclear physics achievements and mysteries. Phys. Rep., 450(4-6):97–213, September 2007
2007
-
[16]
Rubbia et al
C. Rubbia et al. A High Resolution Spallation Driven Facility at the CERN-PS to Measure Neutron Cross Sec- tions in the Interval from 1 eV to 250 MeV : a Relative Performance Assessment. Technical report, CERN-LHC- 98-002-EET-Add.1; https://cds.cern.ch/record/363828, 1998
1998
-
[17]
Gunsing et al
F. Gunsing et al. The Neutron Time-Of-Flight Facil- ity n TOF At CERN: Phase II. In F. D. McDaniel and B. L. Doyle, editors, Application of Accelerators in Re- search and Industry: Twenty-First International Confer- ence, volume 1336 of American Institute of Physics Con- feren...
2011
-
[18]
Guerrero et al
C. Guerrero et al. Performance of the neutron time-of- flight facility n TOF at CERN. European Physical Jour- nal A , 49:27, February 2013
2013
-
[19]
Colonna et al
N. Colonna et al. Neutron physics with accelerators. Progress in Particle and Nuclear Physics , 101:177–203, July 2018
2018
-
[20]
Domingo-Pardo et al
C. Domingo-Pardo et al. The neutron time-of-flight fa- cility n TOF at CERN Recent facility upgrades and de- tector developments. In Journal of Physics Conference Series, volume 2586 of Journal of Physics Conference Se- ries, pp. 012150. IOP, September 2023
2023
-
[21]
Lorusso et al
G. Lorusso et al. Time-energy relation of the n TOF neu- tron beam: energy standards revisited. Nuclear Instru- ments and Methods in Physics Research A , 532(3):622– 630, October 2004
2004
-
[22]
Esposito et al
R. Esposito et al. Design of the third-generation lead- based neutron spallation target for the neutron time-of- flight facility at CERN. Physical Review Accelerators and Beams, 24(9):093001, September 2021
2021
-
[23]
Lerendegui-Marco et al
J. Lerendegui-Marco et al. New perspectives for neutron capture measurements in the upgraded CERN-nTOF Fa- cility. In European Physical Journal Web of Conferences, volume 284 of European Physical Journal Web of Confer- ences, pp. 01028, July 2023
2023
-
[25]
Domingo-Pardo et al
C. Domingo-Pardo et al. New measurement of neu- tron capture resonances in Bi209. Physical Review C , 74(2):025807, August 2006
2006
-
[26]
Chiaveri et al
E. Chiaveri et al. Present status and future programs of the n TOF experiment. In European Physical Jour- nal Web of Conferences , volume 21 of European Physical Journal Web of Conferences , pp. 03001, February 2012
2012
-
[27]
Barros et al
S. Barros et al. Optimization of n TOF-EAR2 us- ing FLUKA. Journal of Instrumentation , 10(9):P09003, September 2015
2015
-
[28]
Lerendegui-Marco et al
J. Lerendegui-Marco et al. Geant4 simulation of the n TOF-EAR2 neutron beam: Characteristics and prospects. European Physical Journal A, 52(4):100, April 2016
2016
-
[29]
Lo Meo et al
S. Lo Meo et al. GEANT4 simulations of the n TOF spal- lation source and their benchmarking. European Physical Journal A , 51:160, December 2015
2015
-
[30]
P. Koehler. Comparison of white neutron sources for nuclear astrophysics experiments using very small sam- ples. Nuclear Instruments and Methods in Physics Re- search Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , 460(2):352–361, 2001
2001
-
[31]
Lugaro et al
M. Lugaro et al. The s Process and Beyond. An- nual Review of Nuclear and Particle Science , 73:315–340, September 2023
2023
-
[32]
Plag et al
R. Plag et al. An optimized C 6D6 detector for studies of resonance-dominated (n, γ) cross-sections. Nuclear In- struments and Methods in Physics Research A , 496:425– 436, January 2003
2003
-
[33]
Kappeler et al
F. Kappeler et al. s-process nucleosynthesis-nuclear physics and the classical model. Reports on Progress in Physics, 52(8):945–1013, August 1989
1989
-
[34]
Gallino et al
R. Gallino et al. Evolution and Nucleosynthesis in Low- Mass Asymptotic Giant Branch Stars. II. Neutron Cap- ture and the S-Process. ApJ, 497(1):388–403, April 1998
1998
-
[35]
Best et al
J. Best et al. s-process branchings at 151Sm, 154Eu, and 163Dy. Phys. Rev. C, 64(1):015801, July 2001
2001
-
[36]
Marrone et al
S. Marrone et al. Measurement of the Sm151(n, γ) cross section from 0.6 eV to 1 MeV via the neutron time-of-flight technique at the CERN n TOF facility. Phys. Rev. C, 73(3):034604, March 2006
2006
-
[37]
Tagliente et al
G. Tagliente et al. The 93Zr(n,γ) reaction up to 8 keV neutron energy. Physical Review C , 87(1):014622, Jan 2013
2013
-
[38]
Straniero et al
O. Straniero et al. Evolution and Nucleosynthesis in Low- Mass Asymptotic Giant Branch Stars. I. Formation of Population I Carbon Stars. ApJ, 478(1):332–339, March 1997
1997
-
[39]
Lugaro et al
M. Lugaro et al. Isotopic compositions of strontium, zir- conium, molybdenum, and barium in single presolar SiC grains and asymptotic giant branch stars. The Astrophys- ical Journal, 593(1):486–508, aug 2003
2003
-
[40]
Tagliente et al
G. Tagliente et al. Experimental study of the Zr91(n, γ) reaction up to 26 keV. Phys. Rev. C, 78(4):045804, Oc- tober 2008
2008
-
[41]
Tagliente et al
G. Tagliente et al. Neutron capture cross section of Zr90: Bottleneck in the s-process reaction flow. Phys. Rev. C, 77(3):035802, March 2008. C. Domingo-Pardo et al.: Neutron capture measurements for s-process nucleosynthesis 15
2008
-
[42]
Tagliente et al
G. Tagliente et al. The Zr92(n, γ) reaction and its im- plications for stellar nucleosynthesis. Phys. Rev. C, 81(5):055801, May 2010
2010
-
[43]
Tagliente et al
G. Tagliente et al. 96Zr(n,γ) measurement at the n TOF facility at CERN. Phys. Rev. C, 84(5):055802, November 2011
2011
-
[44]
Tagliente et al
G. Tagliente et al. Neutron capture on Zr94: Reso- nance parameters and Maxwellian-averaged cross sec- tions. Phys. Rev. C, 84(1):015801, July 2011
2011
-
[45]
Lugaro et al
M. Lugaro et al. Reaction Rate Uncertainties and the Production of 19F in Asymptotic Giant Branch Stars. ApJ, 615(2):934–946, November 2004
2004
-
[46]
A. I. Karakas et al. Nucleosynthesis Predictions for Intermediate-Mass Asymptotic Giant Branch Stars: Comparison to Observations of Type I Planetary Nebu- lae. ApJ, 690(2):1130–1144, January 2009
2009
-
[47]
Lugaro et al
M. Lugaro et al. The Impact of Updated Zr Neutron- capture Cross Sections and New Asymptotic Giant Branch Models on Our Understanding of the S Process and the Origin of Stardust. ApJ, 780(1):95, January 2014
2014
-
[48]
Neyskens et al
P. Neyskens et al. The temperature and chronology of heavy-element synthesis in low-mass stars. Nature, 517(7533):174–176, Jan 2015
2015
-
[49]
Casanovas-Hoste et al
A. Casanovas-Hoste et al. Shedding Light on the Origin of 204Pb , the Heaviest s -Process-Only Isotope in the Solar System. Phys. Rev. Lett., 133(5):052702, July 2024
2024
-
[50]
Mastinu et al
F. Mastinu et al. New C 6D6 detectors: reduced neu- tron sensitivity and improved safety. Technical re- port, n TOF-PUB-2013-002 ; CERN-n TOF-PUB-2013- 002; https://cds.cern.ch/record/1558147/, 2021
2013
-
[51]
Domingo-Pardo
C. Domingo-Pardo. i-TED: A novel concept for high- sensitivity (n,γ) cross-section measurements. Nuclear In- struments and Methods in Physics Research A, 825:78–86, July 2016
2016
-
[52]
Lerendegui-Marco et al
J. Lerendegui-Marco et al. New detection systems for an enhanced sensitivity in key stellar (n,γ) measurements. In European Physical Journal Web of Conferences , volume 279 of European Physical Journal Web of Conferences , pp. 13001. EDP, September 2023
2023
-
[53]
Lederer et al
C. Lederer et al. 197Au(n, γ) - towards a new standard for energies relevant to stellar nucleosynthesis. Journal of Physics Conference Series, 337(1):012045, February 2012
2012
-
[54]
Lederer et al
C. Lederer et al. Ni62(n, γ) and Ni63(n, γ) cross sections measured at the n TOF facility at CERN. Physical Re- view C , 89(2):025810, February 2014
2014
-
[55]
Measurement of the neu- tron capture cross section of 64Ni
G.Tagliente et al. Measurement of the neu- tron capture cross section of 64Ni. Technical report, CERN-INTC-2022-033 ; INTC-P-208-ADD-1; https://cds.cern.ch/record/2809947, 2022
2022
-
[56]
Casanovas et al
A. Casanovas et al. New high-resolution measurement of 56Fe(n,g) at n TOF-EAR1 for Nuclear Astrophysics and Nuclear Technology (CERN-INTC-2024-069 ; INTC-P-
2024
-
[57]
Tain et al
J.L. Tain et al. The role of Fe and Ni for s-process nucleosynthesis in the early Universe and for innova- tive nuclear technolgies (CERN-INTC-2006-012 ; INTC- P-208) https://cds.cern.ch/record/923161. Technical re- port, CERN, 2006
2006
-
[58]
Guerrero et al
C. Guerrero et al. Neutron Capture on the s -Process Branching Point Tm 171 via Time-of-Flight and Activa- tion. Physics Review Letters , 125(14):142701, October 2020
2020
-
[59]
Paul et al
M. Paul et al. Reactions along the astrophysical s-process path and prospects for neutron radiotherapy with the Liquid-Lithium Target (LiLiT) at the Soreq Applied Re- search Accelerator Facility (SARAF). European Physical Journal A , 55(3):44, March 2019
2019
-
[60]
Yin et al
Q.-Z. Yin et al. Signatures of the s-Process in Presolar Silicon Carbide Grains: Barium through Hafnium. ApJ, 647(1):676–684, August 2006
2006
-
[61]
Cristallo et al
S. Cristallo et al. Evolution, Nucleosynthesis, and Yields of Low-mass Asymptotic Giant Branch Stars at Differ- ent Metallicities. II. The FRUITY Database. ApJS, 197(2):17, December 2011
2011
-
[63]
A. J. Gonz´ alez et al. Design of the PET-MR system for head imaging of the DREAM Project. Nuclear Instru- ments and Methods in Physics Research A , 702:94–97, February 2013
2013
-
[64]
Rauscher et al
T. Rauscher et al. Nucleosynthesis in Massive Stars with Improved Nuclear and Stellar Physics. ApJ, 576(1):323– 348, September 2002
2002
-
[65]
Pignatari et al
M. Pignatari et al. The production of proton-rich iso- topes beyond iron: The γ-process in stars. International Journal of Modern Physics E , 25(4):1630003–232, April 2016
2016
-
[66]
J. N. Connelly et al. Chronology of the Solar System’s Oldest Solids. ApJ, 675(2):L121, March 2008
2008
-
[67]
J. N. Connelly et al. The Absolute Chronology and Ther- mal Processing of Solids in the Solar Protoplanetary Disk. Science, 338(6107):651, November 2012
2012
-
[68]
J. N. Connelly et al. Pb-Pb chronometry and the early Solar System. Geochim. Cosmochim. Acta, 201:345–363, March 2017
2017
-
[69]
Amelin et al
Y. Amelin et al. Modern U-Pb chronometry of meteorites: Advancing to higher time resolution reveals new prob- lems. Geochim. Cosmochim. Acta, 73(17):5212–5223, September 2009
2009
-
[70]
K. Lodders. Relative Atomic Solar System Abundances, Mass Fractions, and Atomic Masses of the Elements and Their Isotopes, Composition of the Solar Photosphere, and Compositions of the Major Chondritic Meteorite Groups. Space Sci. Rev., 217(3):44, April 2021
2021
-
[71]
Mascali et al
D. Mascali et al. A new approach to β-decays studies impacting nuclear physics and astrophysics: The PAN- DORA setup. In European Physical Journal Web of Con- ferences, volume 279 of European Physical Journal Web of Conferences, pp. 06007, September 2023
2023
-
[72]
Alcayne et al
V. Alcayne et al. A Segmented Total Energy Detec- tor (sTED) optimized for ( n, γ) cross-section measure- ments at n TOF EAR2. Radiation Physics and Chem- istry, 217:111525, April 2024
2024
-
[73]
Balibrea-Correa et al
J. Balibrea-Correa et al. Towards a new generation of solid total-energy detectors for neutron-capture time- of-flight experiments with intense neutron beams. Nu- clear Instruments and Methods in Physics Research A , 1072:170110, March 2025
2025
-
[74]
Balibrea-Correa et al
J. Balibrea-Correa et al. Pushing the high count rate limits of scintillation detectors for challenging neutron- capture experiments. Nuclear Instruments and Methods in Physics Research A , 1064:169385, July 2024. 16 C. Domingo-Pardo et al.: Neutron capture measurements for s-...
2024
-
[75]
Liu et al
N. Liu et al. Correlated Strontium and Barium Isotopic Compositions of Acid-cleaned Single Mainstream Silicon Carbides from Murchison. ApJ, 803(1):12, April 2015
2015
-
[76]
A. K. Speck et al. Silicon Carbide Absorption Fea- tures: Dust Formation in the Outflows of Extreme Carbon Stars. ApJ, 691(2):1202–1221, February 2009
2009
-
[77]
N. Liu. Treatise on Geochemistry , chapter Presolar Grains. Elsevier Inc., https://doi.org/10.1016/B978-0- 323-99762-1.00129-7, 2025
2025 doi
-
[78]
Takahashi and K
K. Takahashi and K. Yokoi. Beta-Decay Rates of Highly Ionized Heavy Atoms in Stellar Interiors. Atomic Data and Nuclear Data Tables , 36:375, January 1987
1987
-
[79]
Vescovi et al
D. Vescovi et al. Magnetic-buoyancy-induced Mixing in AGB Stars: Presolar SiC Grains. ApJ, 897(2):L25, July 2020
2020
-
[80]
Busso et al
M. Busso et al. s-processing in AGB Stars Revisited. III. Neutron Captures from MHD Mixing at Different Metal- licities and Observational Constraints. ApJ, 908(1):55, February 2021
2021
-
[81]
Palmerini et al
S. Palmerini et al. Presolar Grain Isotopic Ratios as Constraints to Nuclear and Stellar Parameters of Asymp- totic Giant Branch Star Nucleosynthesis. ApJ, 921(1):7, November 2021
2021
-
[82]
Mucciola et al
R. Mucciola et al. Evaluation of resonance parameters for neutron interactions with molybdenum. Nuclear Instru- ments and Methods in Physics Research B , 531:100–108, November 2022
2022
-
[83]
Mucciola et al
R. Mucciola et al. Neutron capture and total cross-section measurements on 94,95,96Mo at n TOF and GELINA. In European Physical Journal Web of Conferences , volume 284 of European Physical Journal Web of Conferences , pp. 01031, July 2023
2023
-
[84]
Bienvenu et al
P. Bienvenu et al. A new determination of 79Se half-life. Applied Radiation and Isotopes , 65(3):355–364, January 2007
2007
-
[85]
N. M. Chiera et al. Preparation of pbse targets for 79se neutron capture cross section studies. Nuclear Instru- ments and Methods in Physics Research Section A: Accel- erators, Spectrometers, Detectors and Associated Equip- ment, 1029:166443, 2022
2022
-
[86]
N. M. Chiera et al. Preparation of PbSe targets for 79Se neutron capture cross section studies. Nuclear Instru- ments and Methods in Physics Research A , 1029:166443, April 2022
2022
-
[87]
Walter et al
G. Walter et al. The s-process branching at Se-79. The Astrophysical Journal, 167(1):186–199, October 1986
1986
-
[88]
Klay and F
N. Klay and F. K¨ appeler. β-decay rate of 79mSe and its consequences for the s-process temperature. Phys. Rev. C, 38(1):295–306, July 1988
1988
-
[89]
Amari et al
S. Amari et al. Presolar graphite from the Murchison me- teorite: An isotopic study. Geochimica et Cosmochimica Acta, 133:479–522, May 2014
2014
-
[90]
Amari et al
S. Amari et al. Interstellar grains in meteorites: III. Graphite and its noble gases. Geochim. Cos- mochim. Acta, 59(7):1411–1426, April 1995
1995
-
[91]
Amari et al
S. Amari et al. Large 18O Excesses in Circumstellar Graphite Grains from the Murchison Meteorite: Indica- tion of a Massive-Star Origin. ApJ, 447:L147, July 1995
1995
-
[92]
Cescutti et al
G. Cescutti et al. Uncertainties in s-process nucleosyn- thesis in low-mass stars determined from Monte Carlo variations. Monthly Notices of the Royal Astronomical Society, 478(3):4101–4127, August 2018
2018
-
[93]
Cescutti et al
G. Cescutti et al. The s-Process Nucleosynthesis in Low Mass Stars: Impact of the Uncertainties in the Nuclear Physics Determined by Monte Carlo Variations. In Nu- clei in the Cosmos XV , volume 219, pp. 297–300, August 2019
2019
-
[94]
Nishimura et al
N. Nishimura et al. Sensitivity to neutron captures and β-decays of the enhanced s-process in rotating massive stars at low metallicities. In Journal of Physics Confer- ence Series, volume 940 of Journal of Physics Conference Series, pp. 012051, January 2018
2018
-
[95]
Nishimura et al
N. Nishimura et al. Impacts of nuclear-physics uncer- tainties in the s-process determined by Monte-Carlo vari- ations. arXiv e-prints , pp. arXiv:1802.05836, February 2018
2018 arXiv
-
[96]
Domingo-Pardo et al
C. Domingo-Pardo et al. Advances and new ideas for neutron-capture astrophysics experiments at CERN n TOF. European Physical Journal A , 59(1):8, January 2023
2023
-
[97]
K¨ appeler
F. K¨ appeler. Reaction cross sections for the s, r, and p process. Progress in Particle and Nuclear Physics , 66(2):390–399, April 2011
2011
-
[98]
Bisterzo et al
S. Bisterzo et al. s-Process in low-metallicity stars - I. Theoretical predictions. MNRAS, 404(3):1529–1544, May 2010
2010
-
[99]
Bisterzo and S
S. Bisterzo and S. Cristallo. Low-metallicity AGB models: the H profile in the 13C-pocket and the effect on the s- process. Mem. Soc. Astron. Italiana, 81:1095, January 2010
2010
-
[100]
Corvi et al
F. Corvi et al. An experimental method for determin- ing the total efficiency and the response function of a gamma-ray detector in the range 0.5–10 mev. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipme...
1988
-
[101]
Amaducci et al
S. Amaducci et al. Measurement of the 140Ce (n ,γ ) Cross Section at n TOF and Its Astrophysical Implications for the Chemical Evolution of the Universe. Phys. Rev. Lett., 132(12):122701, March 2024
2024
-
[102]
Balibrea-Correa et al
J. Balibrea-Correa et al. High precision 209Bi(n, γ) cross section measurement at n TOF EAR2. Tech- nical report, CERN-INTC-2023-061 ; INTC-P-675; https://cds.cern.ch/record/2872409, 2023
2023
-
[103]
Straniero et al
O. Straniero et al. s process in low-mass asymptotic giant branch stars. Nucl. Phys. A, 777:311–339, October 2006
2006
-
[104]
Straniero et al
O. Straniero et al. Heavy Elements in Globular Clus- ters: The Role of Asymptotic Giant Branch Stars. ApJ, 785(1):77, April 2014
2014
-
[105]
R. N. Sahoo et al. Stellar s -process neutron capture cross section of Ce isotopes. Phys. Rev. C, 109(2):025808, February 2024
2024
-
[106]
J. J. Cowan and W. K. Rose. Production of 14C and neu- trons in red giants. The Astrophysical Journal , 212:149– 158, February 1977
1977
-
[107]
P. A. Denissenkov et al. The impact of (n, γ) reaction rate uncertainties of unstable isotopes on the i-process nucleosynthesis of the elements from Ba to W. MNRAS, 503(3):3913–3925, May 2021
2021
-
[108]
Domingo-Pardo et al
C. Domingo-Pardo et al. Resonance capture cross section of Pb207. Physical Review C , 74(5):055802, November 2006
2006
-
[109]
Domingo-Pardo et al
C. Domingo-Pardo et al. Measurement of the neutron capture cross section of the s-only isotope Pb204 from 1 eV to 440 keV. Physical Review C, 75(1):015806, January 2007. C. Domingo-Pardo et al.: Neutron capture measurements for s-process nucleosynthesis 17
2007
-
[110]
Domingo-Pardo et al
C. Domingo-Pardo et al. Measurement of the radiative neutron capture cross section of Pb206 and its astrophys- ical implications. Physical Review C , 76(4):045805, Oc- tober 2007
2007
-
[111]
Massimi et al
C. Massimi et al. n TOF: Measurements of Key Reactions of Interest to AGB Stars. Universe, 8(2):100, February 2022
2022
-
[112]
Domingo Pardo et al
C. Domingo Pardo et al. Neutron capture measurements on the s-process termination isotopes lead and bismuth. In A. Mengoni et al., editors, International Symposium on Nuclear Astrophysics - Nuclei in the Cosmos , pp. 58.1, January 2006
2006
-
[113]
Cristallo et al
S. Cristallo et al. Mass and metallicity distribution of par- ent AGB stars of presolar SiC. A&A, 644:A8, December 2020
2020
-
[114]
Lugaro et al
M. Lugaro et al. Do meteoritic silicon carbide grains originate from asymptotic giant branch stars of super- solar metallicity? Geochim. Cosmochim. Acta, 221:6–20, January 2018
2018
-
[115]
K. H. Guber et al. Neutron capture reaction rates for sili- con and their impact on the origin of presolar mainstream SiC grains. Phys. Rev. C, 67(6):062802, June 2003
2003
-
[116]
Lederer-Woods et al
C. Lederer-Woods et al. Measurement of 28,29,30Si(n, γ) capture cross sections to explain isotopic abundances in presolar grains. Technical report, CERN-INTC-2023-009 ; INTC-P-653; https://cds.cern.ch/record/2845928, 2023
2023
-
[117]
J¨ org et al
G. J¨ org et al. Preparation of radiochemically pure 79se and highly precise determination of its half-life. Applied Radiation and Isotopes , 68(12):2339–2351, 2010
2010
-
[118]
Schumann et al
D. Schumann et al. How Radioactive Samples and Tar- gets Can Help to Better Understand the Big Bang The- ory. Nuclear Physics News , 26(4):20–25, October 2016
2016
-
[120]
HORIZON-EURATOM-2023-NRT-01
2023
-
[121]
Stodel and M
D.Schumann, C. Stodel and M. Gott. 30th Conference of the International Nuclear Target Development Soci- ety (INTDS2022). In Proceedings of the 30th Conferende of the International Nuclear Target Development Society , 2023
2023
-
[122]
Lewitowicz (Chair), E
M. Lewitowicz (Chair), E. Widmann (Dep. Chair), G.E. K¨ orner (Sci. Secr.). The Nu- PECC Long Range Plan for Nuclear Physics in Europe 2024. Technical report, EPS, 2024. www.nupecc.org/lrp2024/Documents/nupecc lrp2024.pdf
2024
-
[123]
Babiano-Su´ arez et al
V. Babiano-Su´ arez et al. Imaging neutron capture cross sections: i-TED proof-of-concept and future prospects based on Machine-Learning techniques. European Physi- cal Journal A , 57(6):197, June 2021
2021
-
[124]
Mendoza et al
E. Mendoza et al. Neutron capture measurements with high efficiency detectors and the Pulse Height Weighting Technique. Nuclear Instruments and Methods in Physics Research A, 1047:167894, February 2023
2023
-
[125]
M. E. Stamati et al. The n TOF NEAR Station Commis- sioning and first physics case. In European Physical Jour- nal Web of Conferences, volume 284 of European Physical Journal Web of Conferences , pp. 06009, July 2023
2023
-
[126]
Gervino et al
G. Gervino et al. NEAR: A New Station to Study Neutron-Induced Reactions of Astrophysical Interest at CERN-n TOF. Universe, 8(5):255, April 2022
2022
-
[127]
Patronis et al
N. Patronis et al. The CERN n TOF NEAR station for astrophysics- and application-related neutron activa- tion measurements. arXiv e-prints, pp. arXiv:2209.04443, september 2022
2022 arXiv
-
[128]
Zanini et al
L. Zanini et al. Measurement of Volatile Radionu- clides Production and Release Yields followed by a Post- Irradiation Analysis of a Pb/Bi Filled Ta Target at ISOLDE. Nuclear Data Sheets , 119:292–295, May 2014
2014
-
[129]
Turri´ on et al
M. Turri´ on et al. Management of ISOLDE yields.Nuclear Instruments and Methods in Physics Research B , 266(19- 20):4674–4677, October 2008
2008
-
[130]
Lerendegui-Marco et al
J. Lerendegui-Marco et al. Production of a 135Cs sam- ple at ISOLDE for ( n, γ) activation measurements at n TOF-NEAR. Technical report, CERN ISOLDE ; IS721; https://cds.cern.ch/record/2834566, 2022
2022
-
[131]
Lerendegui-Marco et al
J. Lerendegui-Marco et al. Activation measure- ments of the 135Cs(n, γ) cross-section at n TOF-NEAR. Technical report, CERN-INTC-2024-007 ; INTC-P-690; https://cds.cern.ch/record/2886126, 2024
2024
-
[132]
Lerendegui-Marco et al
J. Lerendegui-Marco et al. Measurement of the ra- diation background at the n TOF NEAR facility to study the feasibility of cyclic activation experiments. Technical report, CERN-INTC-2022-018 ; INTC-I-241. http://cds.cern.ch/record/2809131, 2022
2022
-
[133]
Lederer-Woods et al
C. Lederer-Woods et al. Neutron Activation Sta- tion at the SPS Beam Dump Facility (BDF). Tech- nical report, CERN-SPSC-2024-027 ; SPSC-EOI-023; https://cds.cern.ch/record/2913936, 2024
2024
-
[134]
Ahdida et al
C. Ahdida et al. The SHiP experiment at the proposed CERN SPS Beam Dump Facility. European Physical Journal C , 82(5):486, May 2022
2022
-
[135]
Reifarth and Y
R. Reifarth and Y. A. Litvinov. Measurements of neutron-induced reactions in inverse kinematics. Phys- ical Review Accelerators and Beams , 17(1):014701, Jan- uary 2014
2014
-
[136]
Reifarth et al
R. Reifarth et al. Spallation-based neutron target for direct studies of neutron-induced reactions in inverse kinematics. Physical Review Accelerators and Beams , 20(4):044701, April 2017
2017
-
[137]
A. L. Cooper et al. A high-intensity, low-energy heavy ion source for a neutron target proof-of-principle experiment at LANSCE. In Journal of Physics Conference Series , volume 2743 of Journal of Physics Conference Series , pp. 012091. IOP, May 2024
2024
-
[138]
Esposito et al
R. Esposito et al. Design, testing, commissioning, and early operation of the third-generation n TOF neutron spallation target at CERN. In European Physical Journal Web of Conferences , volume 285 of European Physical Journal Web of Conferences , pp. 07003, September 2023
2023
-
[139]
Grieser et al
M. Grieser et al. Storage ring at HIE-ISOLDE. Technical design report. European Physical Journal Special Topics, 207(1):1–117, May 2012
2012
-
[140]
P. A. Butler et al. TSR: A storage and cooling ring for HIE-ISOLDE. Nuclear Instruments and Methods in Physics Research B, 376:270–274, June 2016
2016
-
[721]
Technical re- port, CERN, 2024
https://cds.cern.ch/record/2912234. Technical re- port, CERN, 2024
2024
Reviewed August 7, 2026 · model on record in the stance chip above.
Discussion (0). Continue with ORCID to comment.