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In-beam $\gamma$-ray spectroscopy of negative-parity states of $^{37}$K populated in dissipative reactions

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Pith's one-line read Four new negative-parity states extend the $^{37}$K level scheme up to a proposed $(13/2^-)$ state at 5552 keV, with the FSU shell-model interaction explaining the measured mirror-energy differences against $^{37}$Ar.

desk verdict Solid new spectroscopy of 37K with honest caveats; the spin-parity assignments are tentative and mirror-based, but the data are real and the paper deserves a serious referee. read the letter →

arxiv 2411.15563 v1 pith:SQMDWABM submitted 2024-11-23 nucl-ex

T. Beck , A. Gade , B. A. Brown , D. Weisshaar , D. Bazin , K. W. Brown , R. J. Charity , P. J. Farris
show 6 more authors
S. A. Gillespie A. M. Hill J. Li B. Longfellow W. Reviol D. Rhodes
This is my paper · ORCID
classification nucl-ex PACS 23.20.Lv25.60.-t21.10.-k21.60.Cs27.30.+t
keywords in-beamgamma-rayspectroscopy37Kmirrorenergydifferencesnegative-paritystatesdissipativereactionsFSUshell-modelinteractionisospinsymmetrynuclearlevelscheme
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

The paper reports new in-beam gamma-ray measurements of the neutron-deficient nucleus $^{37}$K, populated in fast-beam inelastic scattering and proton-removal reactions that deliberately select products that lost substantial momentum. The authors identify four previously unobserved negative-parity excited states, extending the level scheme to a proposed $(13/2^-)$ state at 5552 keV. These states are interpreted as proton one-particle-one-hole excitations into the $1f_{7/2}$ orbital, and their energies are compared with the mirror nucleus $^{37}$Ar, which has protons and neutrons exchanged. The measured mirror-energy differences are reproduced by shell-model calculations with the FSU cross-shell interaction, which the authors use to explain the pattern in terms of orbital-size effects and the Thomas-Ehrman shift. If correct, the work demonstrates a new population pathway for studying isospin symmetry in high-spin states near the proton dripline.

What carries the argument

The central mechanism is the mirror-energy difference (MED) between corresponding states of the mirror pair $^{37}$K and $^{37}$Ar, combined with the FSU cross-shell effective interaction, a shell-model interaction in the $spsdpf$ model space that includes cross-shell excitations into the $pf$ shell. The paper uses the FSU interaction to compute level energies and orbital occupation numbers; the occupation numbers identify the newly observed negative-parity states as nearly pure proton one-particle-one-hole states with a proton promoted into the $1f_{7/2}$ orbital. The MED pattern is then explained by the larger root-mean-square radii of $pf$-shell valence orbitals compared to $sd$-shell orbitals, and by the Thomas-Ehrman shift that lowers states with low-orbital-angular-momentum wave functions such as the $2p_{3/2}$ proton orbital.

What would settle it

A direct spin-parity measurement of the 5552-keV state of $^{37}$K—for example from $\gamma$-ray angular correlations or from the angular distribution of its proton decay—would confirm or rule out the $(13/2^-)$ assignment, and a search in $^{37}$Ar for a state with the decay pattern and near-zero MED predicted for the 4991-keV state would test the proposed $(9/2^-)$ assignment.

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Extended reading notes

Core claim

The paper claims that dissipative reactions induced by fast rare-isotope beams—specifically inelastic scattering of $^{37}$K and one-neutron removal from $^{38}$Ca at high momentum loss—populate high-spin, negative-parity states in $^{37}$K that are difficult to reach by other means. From the observed $\gamma$-ray transitions and coincidence relationships, the authors propose new states at 3502, 4016, 4991, and 5552 keV with tentative spin-parities $(11/2^-)$, $(9/2^-)$, $(9/2^-)$, and $(13/2^-)$, respectively. The 3502 and 5552 keV states are assigned by assumed mirror symmetry to known $^{37}$Ar states, while the 4991 keV state has no known mirror counterpart and is assigned on the basis of the FSU shell-model decay pattern. The measured mirror-energy differences between $^{37}$K and $^{37}$Ar are consistently explained by the calculated occupation numbers, which show these negative-parity states to be nearly pure proton one-particle-one-hole excitations into the $1f_{7/2}$ orbital.

Load-bearing premise

The spin-parity assignments of the newly observed states are not measured directly but are assumed from mirror symmetry with $^{37}$Ar and from the FSU shell-model decay patterns; if either the mirror correspondence or the calculated decay branches is wrong, the proposed level scheme and the mirror-energy-difference interpretation lose their basis.

Editorial extensions

If this is right

  • The level scheme of $^{37}$K is extended to a proposed $(13/2^-)$ state at 5552 keV, providing new anchors for isospin-symmetry studies in the $A=37$ mirror pair.
  • The newly observed negative-parity states are described as proton one-particle-one-hole excitations into the $1f_{7/2}$ orbital, so their mirror-energy differences probe Coulomb effects on a single proton outside the $^{36}$Ar core.
  • The near-zero mirror-energy difference of the $(9/2^-)$ state at 4016 keV follows from near-equal proton and neutron $1f_{7/2}$ occupancies, making this state a sensitive test of isospin-breaking calculations.
  • Fast-beam dissipative reactions are shown to be a viable population pathway for high-spin states in neutron-deficient nuclei, complementing fusion-evaporation reactions where they are impractical.
  • The FSU cross-shell interaction reproduces the level schemes of both $^{37}$K and $^{37}$Ar up to about 5.8 MeV, supporting its use for other nuclei in the upper $sd$ shell and beyond.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • If the $(13/2^-)$ assignment holds, its mirror-energy difference of about $-241$ keV would join the large negative MEDs seen for $13/2^-$ states in the $A=35$ and $A=39$ mirror pairs, hinting at a systematic isospin-breaking pattern for negative-parity states across the upper $sd$ shell that the paper does not quantify.
  • The proposed $(9/2^-)$ state at 4991 keV has no known $^{37}$Ar analog; a dedicated search in $^{37}$Ar for a state with the predicted decay branches and a small MED would either confirm or refute the shell-model interpretation.
  • The same high-momentum-loss selection could be applied to the mirror nucleus $^{37}$Ar itself, populating its high-spin states under identical experimental conditions and allowing a direct side-by-side test of the mirror assignments claimed here.
  • A natural extension would be to apply this reaction pathway to other neutron-deficient $sd$-$pf$ shell nuclei where fusion evaporation is difficult, turning dissipative reactions into a general tool for mirror-energy-difference studies; the paper stops short of naming specific cases.
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Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

0 major / 3 minor

Summary. The paper reports in-beam gamma-ray spectroscopy of the neutron-deficient nucleus 37K populated in two dissipative reactions, inelastic scattering of a 37K beam and one-neutron removal from 38Ca, both at high momentum loss. Using the GRETINA array and the S800 spectrograph, the authors establish new gamma-ray transitions and gamma-gamma coincidence relationships, and propose a level scheme that includes negative-parity states at 2966, 3502, 4016, 4991, and 5552 keV. The spin-parity assignments are based mainly on mirror symmetry with known states in 37Ar and on FSU shell-model calculations. The paper compares mirror-energy differences (MEDs) between 37K and 37Ar and uses calculated occupation numbers to argue that the newly observed states are nearly pure proton 1p-1h excitations, with the 5552-keV state proposed as the first (13/2-) state of 37K.

Significance. If the proposed assignments hold, the paper provides the first extension of 37K to high-spin negative-parity states and demonstrates the usefulness of dissipative reactions for populating such states near the proton dripline, where fusion-evaporation pathways are not viable. The analysis is careful in several respects: intensity ratios are reported with Monte Carlo propagated uncertainties, transitions are placed through coincidence gating, and comparisons with 37Ar use published level schemes rather than fitted parameters. The main limitation is that all new spin-parity assignments are tentative and model-dependent, with no angular-distribution, linear-polarization, or lifetime measurements reported; this is acknowledged in the text but should be more prominent in the abstract and conclusions.

minor comments (3)
  1. [Abstract] The abstract states that the level scheme is extended up to the first (13/2-) state without qualification; since the 13/2- assignment rests on mirror symmetry and a single branching-ratio comparison rather than measured multipolarities, the abstract should include the qualifier 'tentative' or 'candidate' to accurately represent the evidence.
  2. [Section III, 4991-keV state] The J^pi = 9/2- assignment for the 4991-keV state is based on the FSU shell-model decay pattern, and the same calculation is subsequently used to interpret its wave-function composition and expected small energy displacement. This is close to circular; the paper should explicitly state that this state is a prediction of the model rather than an independent validation, and should avoid presenting it as an 'identified' state without that caveat.
  3. [Table II] In the row for the 4991-keV state, no 37Ar excitation energy or MED value is listed, which may confuse readers; adding a dash or a note such as 'no mirror counterpart known' would clarify the status of this level.

Circularity Check

0 steps flagged · score 2.0 of 10

No significant circularity: the FSU interaction and 37Ar data are external to this measurement, and the new 37K level energies are not fitted parameters; self-citations concern the reaction mechanism and are not load-bearing.

full rationale

I walked the claimed derivation chain. The new content is experimental: Doppler-corrected gamma-gamma coincidences yield 37K level energies at 2966(3), 3502(3), 4016(3), 4991(7), and 5552(4) keV. The spin-parity assignments are inferred from mirror-systematics with 37Ar (Refs. [27,28]) and from shell-model guidance using the FSU interaction (Refs. [40,41]). None of these inputs are fitted in the present paper, and none are defined in terms of the new 37K data. The mirror-energy differences in Table II are simple energy differences between the adopted 37K energies and the independently published 37Ar energies. The FSU occupation numbers used to interpret those differences are outputs of an interaction fixed in prior external work, not parameters adjusted to reproduce the newly measured states. The comparison is therefore consistent and informative rather than circular. The self-citations (Refs. [13,14,29,30]) establish the population mechanism and experimental setup, but the central level-scheme result does not reduce to them; they are prior published evidence. The main caveat is that the spin-parity assignments, especially the tentatively proposed (13/2-) and (9/2-) states, are assumed rather than measured directly; that is a correctness or assumption risk, not a circular reduction. The paper also explicitly limits its scope by noting that more quantitative calculations including many-body Coulomb and electromagnetic spin-orbit corrections are beyond it, which further indicates that the interpretation is not presented as a self-contained derivation.

Assumptions & free parameters 1 free parameters · 4 assumptions · 0 invented entities

The paper introduces no new particles, forces, or fitted constants. Its central interpretation leans on the externally fitted FSU interaction, mirror-symmetry correspondences, and the population mechanism established in earlier same-group work, all listed as axioms above.

free parameters (1)
  • FSU cross-shell interaction Hamiltonian matrix elements = Not stated in this paper; taken from Refs. [40,41]
    The shell-model level energies and occupation numbers in Sec. III and Tab. II depend on this interaction, which was fitted to spectroscopic data in prior work by Lubna et al. The paper contributes no new fit to these matrix elements.
assumptions (4)
  • domain assumption Isospin symmetry or charge independence of the strong interaction makes mirror levels in 37K and 37Ar correspond.
    Used throughout Secs. II and III to assign J-pi for the 3502, 4016, and 5552 keV states from their 37Ar counterparts, and to interpret mirror-energy differences.
  • domain assumption The FSU cross-shell effective interaction gives a valid description of A=37 sd-pf shell states.
    Invoked in Sec. III and Fig. 6 to compare level schemes and to propose the (9/2-) assignment for the 4991 keV state; not independently validated in this paper beyond level-energy agreement.
  • domain assumption Dissipative reactions at high momentum loss preferentially populate high-spin, complex-structure states.
    Used to justify that the observed gamma rays come from negative-parity high-spin states; based on Refs. [13,14] by the same group rather than on an independent measurement in this work.
  • domain assumption Gamma decay can compete with proton decay for 37K states above the proton separation threshold.
    The observed gamma rays from proton-unbound states require that gamma emission is not overwhelmed by proton emission; the paper cites Refs. [25,26] for gamma and proton branching and uses this to discuss the 4991 keV state.

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Cite this review

Pith. "Pith review of In-beam $\gamma$-ray spectroscopy of negative-parity states of $^{37}$K populated in dissipative reactions." pith.science (2026). https://pith.science/paper/SQMDWABM

@misc{pith2026241115563,
  author       = {Pith},
  title        = {Pith review of: In-beam $\gamma$-ray spectroscopy of negative-parity states of $^37$K populated in dissipative reactions},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/SQMDWABM}},
  note         = {Machine review of arXiv:2411.15563}
}
abstract

In-beam $\gamma$-ray spectroscopy was used to study excited states of the neutron-deficient nucleus $^{37}$K populated in fast-beam inelastic-scattering and proton-removal reactions at high-momentum loss. New $\gamma$-ray transitions and $\gamma\gamma$ coincidence relationships were established using the $\gamma$-ray tracking array GRETINA. The extension of the level scheme up to the first $(13/2^-)$ state highlights the potential of this recently demonstrated population pathway for studies of isospin symmetry involving mirror-energy differences. The nature of the newly identified states is discussed in comparison to shell-model calculations with the FSU cross-shell effective interaction. The calculated occupation numbers of individual orbitals are shown to offer a consistent explanation of the measured mirror-energy differences between $^{37}$K and $^{37}$Ar.

Figures

Figures reproduced from arXiv: 2411.15563 by the authors.

Figure 2
Figure 2. FIG. 2. Measured parallel-momentum distributions of [PITH_FULL_IMAGE:figures/full_fig_p002_2.png] view at source ↗
Figure 3
Figure 3. FIG. 3. Doppler-corrected add-back [PITH_FULL_IMAGE:figures/full_fig_p003_3.png] view at source ↗
Figure 5
Figure 5. FIG. 5. Level scheme of [PITH_FULL_IMAGE:figures/full_fig_p004_5.png] view at source ↗
Figures from the paper (1 more)
Figure 6
Figure 6. Figure 6: FIG. 6. Excitation energies of low-lying states of the mirror [PITH_FULL_IMAGE:figures/full_fig_p005_6.png]

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Works this paper leans on

49 extracted references · 48 canonical work pages

  1. [1]

    Machleidt and I

    R. Machleidt and I. Slaus, The nucleon-nucleon interac- tion, J. Phys. G: Nucl. Part. Phys.27, R69 (2001)

    work page 2001

  2. [2]

    Heisenberg, Über den Bau der Atomkerne

    W. Heisenberg, Über den Bau der Atomkerne. I, Z. Phys. 77, 1 (1932)

    work page 1932

  3. [3]

    Wigner, On the Consequences of the Symmetry of the Nuclear Hamiltonian on the Spectroscopy of Nuclei, Phys

    E. Wigner, On the Consequences of the Symmetry of the Nuclear Hamiltonian on the Spectroscopy of Nuclei, Phys. Rev. 51, 106 (1937)

    1937

  4. [4]

    A. P. Zuker, S. M. Lenzi, G. Martínez-Pinedo, and A. Poves, Isobaric Multiplet Yrast Energies and Isospin Nonconserving Forces, Phys. Rev. Lett. 89, 142502 (2002)

    work page 2002

  5. [5]

    D. D. Warner, M. A. Bentley, and P. V. Isacker, The role of isospin symmetry in collective nuclear structure, Nat. Phys. 2, 311 (2006)

    work page 2006

  6. [6]

    M. A. Bentley and S. M. Lenzi, Coulomb energy dif- ferences between high-spin states in isobaric multiplets, Prog. Part. Nucl. Phys.59, 497 (2007)

    work page 2007

  7. [7]

    M. A. Bentley, S. M. Lenzi, S. A. Simpson, and C. A. Di- get, Isospin-breaking interactions studied through mirror energy differences, Phys. Rev. C92, 024310 (2015)

    work page 2015

  8. [8]

    M. A. Bentley, Excited states in isobaric multiplets— experimental advances and the shell-model approach, Physics 4, 995 (2022)

    work page 2022

Show all 49 references
  1. [9]

    R. D. O. Llewellyn, M. A. Bentley, R. Wadsworth, J. Dobaczewski, W. Satula, H. Iwasaki, G. de An- gelis, J. Ash, D. Bazin, P. C. Bender, B. Ceder- wall, B. P. Crider, M. Doncel, R. Elder, B. Elman, A. Gade, M. Grinder, T. Haylett, D. G. Jenkins, I. Y. Lee, B. Longfellow, E. Lu...

    2020

  2. [10]

    Koyama, D

    S. Koyama, D. Suzuki, M. Assié, L. Lalanne, O. Sor- lin, T. Abe, D. Beaumel, Y. Blumenfeld, L. Cac- eres, F. De Oliveira Santos, F. Delaunay, F. Flavigny, S. Franchoo, J. Gibelin, V. Girard-Alcindor, J. Guillot, F. Hammache, O. Kamalou, A. Kamenyero, N. Kita- mura, V. Lapoux, ...

    2024

  3. [11]

    J. J. Valiente-Dobón, A. Poves, A. Gadea, and B. Fernández-Domínguez, Broken mirror symmetry in 36S and 36Ca, Phys. Rev. C98, 011302 (2018)

    2018

  4. [12]

    Lalanne, O

    L. Lalanne, O. Sorlin, A. Poves, M. Assié, F. Hammache, S. Koyama, D. Suzuki, F. Flavigny, V. Girard-Alcindor, A. Lemasson, A. Matta, T. Roger, D. Beaumel, Y. Blu- menfeld, B. A. Brown, F. D. O. Santos, F. Delaunay, N. de Séréville, S. Franchoo, J. Gibelin, J. Guillot, O. Ka- ...

    2022

  5. [13]

    A. Gade, D. Weisshaar, B. A. Brown, D. Bazin, K. W. Brown, R. J. Charity, P. Farris, A. M. Hill, J. Li, B. Longfellow, D. Rhodes, W. Reviol, and J. A. Tostevin, Exploiting dissipative reactions to perform in-beamγ-ray spectroscopy of the neutron-deficient isotopes 38,39Ca, Phy...

    2022

  6. [14]

    A. Gade, B. A. Brown, D. Weisshaar, D. Bazin, K. W. Brown, R. J. Charity, P. Farris, A. M. Hill, J. Li, B. Longfellow, D. Rhodes, W. Reviol, and J. A. Tostevin, Dissipative reactions with intermediate-energy beams: A novel approach to populate complex-structure states in rare ...

    2022

  7. [15]

    Ekman, D

    J. Ekman, D. Rudolph, C. Fahlander, A. P. Zuker, M. A. Bentley, S. M. Lenzi, C. Andreoiu, M. Axiotis, G. de An- gelis, E. Farnea, A. Gadea, T. Kröll, N. Mărginean, T. Martinez, M. N. Mineva, C. Rossi-Alvarez, and C. A. Ur, Unusual isospin-breaking and isospin-mixing effects in...

    2004

  8. [16]

    F. D. Vedova, S. M. Lenzi, M. Ionescu-Bujor, N. Mărginean, M. Axiotis, D. Bazzacco, A. M. Bizzeti-Sona, P. G. Bizzeti, A. Bracco, F. Brandolini, D. Bucurescu, E. Farnea, A. Iordachescu, S. Lunardi, T. Martínez, P. Mason, R. Menegazzo, B. Million, D. R. Napoli, M. Nespolo, P. P...

    2007

  9. [17]

    Andersson, D

    T. Andersson, D. Rudolph, C. Baktash, J. Eberth, C. Fahlander, D. Haslip, D. R. LaFosse, S. D. Paul, D. G. Sarantites, C. E. Svensson, H. G. Thomas, J. C. Waddington, W. Weintraub, J. N. Wilson, and B. A. Brown, High-spin states in theA = 39mirror nuclei39Ca and 39K, Eur. Phys...

    1999

  10. [18]

    D. G. Jenkins, M. Bouhelal, S. Courtin, M. Freer, B. R. Fulton, F. Haas, R. V. F. Janssens, T. L. Khoo, C. J. Lister, E. F. Moore, W. A. Richter, B. Truett, and A. H. Wuosmaa, γ-ray spectroscopy of theA = 23, T = 1/2nu- clei 23Na and 23Mg: High-spin states, mirror symmetry, an...

    2013

  11. [19]

    A. Boso, S. M. Lenzi, F. Recchia, J. Bonnard, A. P. Zuker, S. Aydin, M. A. Bentley, B. Cederwall, E. Clement, G. de France, A. Di Nitto, A. Dijon, M. Don- cel, F. Ghazi-Moradi, A. Gadea, A. Gottardo, T. Henry, T. Hüyük, G. Jaworski, P. R. John, K. Juhász, I. Kuti, B. Melon, D....

    2018

  12. [20]

    D. G. Jenkins, C. J. Lister, M. P. Carpenter, P. Chowd- hury, N. J. Hammond, R. V. F. Janssens, T. L. Khoo, T. Lauritsen, D. Seweryniak, T. Davinson, P. J. Woods, A. Jokinen, and H. Penttila, Mirror energy differences in the A = 31mirror nuclei, 31S and 31P, and their signifi-...

    2005

  13. [21]

    D. A. Testov, A. Boso, S. M. Lenzi, F. Nowacki, F. Rec- chia, G. de Angelis, D. Bazzacco, G. Colucci, M. Cottini, F. Galtarossa, A. Goasduff, A. Gozzelino, K. Hadyńska- Klęk, G. Jaworski, P. R. John, S. Lunardi, R. Menegazzo, D.Mengoni, A.Mentana, V.Modamio, A.Nannini, D.R. Na...

    2021

  14. [22]

    García, E

    A. García, E. G. Adelberger, P. V. Magnus, H. E. Swan- son, O. Tengblad, ISOLDE Collaboration, and D. M. Molz, β+ decays of 37Ca: Implications for the efficiency of the 37Cl solar ν detector, Phys. Rev. Lett. 67, 3654 (1991)

    1991

  15. [23]

    N. I. Kaloskamis, A. García, S. E. Darden, E. Miller, W. Haeberli, P. A. Quin, B. P. Schwartz, E. Yacoub, and E. G. Adelberger, Isospin mixing in 37K and spin decomposition of Gamow-Teller strength in37Ca decay, Phys. Rev. C55, 640 (1997)

    1997

  16. [24]

    M. Wang, W. J. Huang, F. G. Kondev, G. Audi, and S. Naimi, The AME 2020 atomic mass evaluation (II). Tables, graphs and references*, Chin. Phys. C45, 030003 (2021)

    2021

  17. [25]

    H. P. L. De Esch and C. Van Der Leun, Energy levels of 37K, Nucl. Phys. A476, 316 (1988)

    1988

  18. [26]

    P. V. Magnus, E. G. Adelberger, and N. Cabot,γ decays of proton unbound levels in37K, Phys. Rev. C51, 2806 (1995)

    1995

  19. [27]

    Cameron, J

    J. Cameron, J. Chen, B. Singh, and N. Nica, Nuclear Data Sheets for A = 37, Nucl. Data Sheets 113, 365 (2012)

    2012

  20. [28]

    A. Das, A. Bisoi, M. S. Sarkar, S. Sarkar, S. Ray, D. Pra- manik, R. Kshetri, S. Nag, P. Singh, K. Selvakumar, A. Goswami, S. Saha, J. Sethi, T. Trivedi, B. S. Naidu, R. Donthi, V. Nanal, and R. Palit, High spin states of 37Ar, Phys. Rev. C101, 044310 (2020)

    2020

  21. [29]

    A. Gade, D. Weisshaar, B. Brown, J. Tostevin, D. Bazin, K. Brown, R. Charity, P. Farris, A. Hill, J. Li, B. Longfel- low, W. Reviol, and D. Rhodes, In-beam γ-ray spec- troscopy at the proton dripline:40Sc, Phys. Lett. B808, 135637 (2020)

    2020

  22. [30]

    T. Beck, A. Gade, B. A. Brown, J. A. Tostevin, D. Weis- shaar, D. Bazin, K. W. Brown, R. J. Charity, P. J. Farris, S. A. Gillespie, A. M. Hill, J. Li, B. Longfellow, W. Re- viol, and D. Rhodes, Probing proton cross-shell excita- tions through the two-neutron removal from38Ca, ...

    2023

  23. [31]

    Gade and B

    A. Gade and B. M. Sherrill, NSCL and FRIB at Michi- gan State University: Nuclear science at the limits of stability, Phys. Scr.91, 053003 (2016)

    2016

  24. [32]

    D. J. Morrissey, B. M. Sherrill, M. Steiner, A. Stolz, and I. Wiedenhoever, Commissioning the A1900 projec- tile fragment separator, Nucl. Instrum. Methods Phys. Res. B 204, 90 (2003)

    2003

  25. [33]

    Bazin, J

    D. Bazin, J. Caggiano, B. Sherrill, J. Yurkon, and A. Zeller, The S800 spectrograph, Nucl. Instrum. Meth- ods Phys. Res. B204, 629 (2003)

    2003

  26. [34]

    Sherrill, D

    J.Yurkon, D.Bazin, W.Benenson, D.J.Morrissey, B.M. Sherrill, D. Swan, and R. Swanson, Focal plane detector for the S800 high-resolution spectrometer, Nucl. Instrum. Methods Phys. Res. A422, 291 (1999)

    1999

  27. [35]

    Paschalis, I

    S. Paschalis, I. Lee, A. Macchiavelli, C. Campbell, M. Cromaz, S. Gros, J. Pavan, J. Qian, R. Clark, H. Crawford, D. Doering, P. Fallon, C. Lionberger, T. Loew, M. Petri, T. Stezelberger, S. Zimmermann, D. Radford, K. Lagergren, D. Weisshaar, R. Winkler, T. Glasmacher, J. Ande...

    2013

  28. [36]

    Weisshaar, D

    D. Weisshaar, D. Bazin, P. C. Bender, C. M. Camp- bell, F. Recchia, V. Bader, T. Baugher, J. Belarge, M. P. Carpenter, H. L. Crawford, M. Cromaz, B. Elman, P. Fallon, A. Forney, A. Gade, J. Harker, N. Kobayashi, C. Langer, T. Lauritsen, I. Y. Lee, A. Lemasson, B. Longfellow, E...

    2017

  29. [37]

    Guide to the Expression of Uncertainty in Measurement

    BIPM, IEC, IFCC, ISO, IUPAC, IUPAP, and OIML, JCGM 101: Evaluation of Measurement Data – Supple- ment 1 to the “Guide to the Expression of Uncertainty in Measurement” – Propagation of Distributions using a Monte Carlo Method (2008)

    2008

  30. [38]

    P. J. Nolan, L. L. Gadeken, A. J. Brown, P. A. Butler, L. L. Green, C. J. Lister, A. N. James, J. D. MacArthur, J. F. Sharpey-Schafer, and D. A. Viggars, Properties of 37Ar II. Levels above 3.8 MeV excitation energy (popu- lated in 34S(α,nγ)37Ar), J. Phys. G: Nucl. Part. Phys....

    1975

  31. [39]

    J. H. McNally, Reactions leading to37Ar and 37K energy levels, Nucl. Phys.88, 257 (1966)

    1966

  32. [40]

    R. S. Lubna, K. Kravvaris, S. L. Tabor, V. Tripathi, A. Volya, E. Rubino, J. M. Allmond, B. Abromeit, L. T. Baby, and T. C. Hensley, Structure of38Cl and the quest for a comprehensive shell model interaction, Phys. Rev. C 100, 034308 (2019)

    2019

  33. [41]

    R. S. Lubna, K. Kravvaris, S. L. Tabor, V. Tripathi, E. Rubino, and A. Volya, Evolution of theN = 20and 28 shell gaps and two-particle-two-hole states in the FSU interaction, Phys. Rev. Res.2, 043342 (2020)

    2020

  34. [42]

    B. A. Brown and W. A. Richter, New “USD” Hamiltoni- ans for thesd shell, Phys. Rev. C74, 034315 (2006)

    2006

  35. [43]

    Magilligan and B

    A. Magilligan and B. A. Brown, New isospin-breaking “USD” Hamiltonians for thesd shell, Phys. Rev. C101, 064312 (2020)

    2020

  36. [44]

    Henderson and S

    J. Henderson and S. R. Stroberg, Examination of the in- version of isobaric analogue states in mirror nuclei, Phys. Rev. C 102, 031303 (2020)

    2020

  37. [45]

    J. A. Nolen and J. P. Schiffer, Coulomb energies, Ann. Rev. Nucl. Part. Sci.19, 471 (1969)

    1969

  38. [46]

    J. B. Ehrman, On the Displacement of Corresponding Energy Levels of C13 and N13, Phys. Rev.81, 412 (1951)

    1951

  39. [47]

    R. G. Thomas, An Analysis of the Energy Levels of the Mirror Nuclei, C13 and N13, Phys. Rev.88, 1109 (1952)

    1952

  40. [48]

    Duflo and A

    J. Duflo and A. P. Zuker, Mirror displacement energies and neutron skins, Phys. Rev. C66, 051304 (2002)

    2002

  41. [49]

    N. Nica, J. Cameron, and B. Singh, Nuclear Data Sheets for A = 36, Nucl. Data Sheets113, 1 (2012)

    2012

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