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arxiv: 2604.28133 · v1 · submitted 2026-04-30 · ✦ hep-ex · hep-ph

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The DAMSA Experiment

Adrian Thompson, Alan Bross, Andrew Brandt, Anthony Gomez, Bhaskar Dutta, Bhupal Dev, Bradley Brown, Brian Joshua Gomez Hernandez, Chang-Seong Moon, David Nygren, Donna Naples, Doojin Kim, Eric Garcia, Eunsu Kim, Eunsuk Seo, Gajendra Gurung, Guang Yang, Haohui Che, Hyangkyu Park, Hyunyong Kim, Inseok Yoon, Jaehoon Yu, Jay Hyun Jo, Jing Liu, Jong-Chul Park, Juan V. Estrada, Juergen Reichenbacher, Krzysztof Jod{\l}owski, Melvin Shochet, Minseok Oh, Nathaniel J. Pastika, Paul Rubinov, Prithak Bhattarai, Rohit Raut, Samriddha Chakraborty, Seodong Shin, Shawn Westerdale, Shin Hyung Kim, Un-ki Yang, Veronika Shalamova, Vittorio Paolone, Wooyoung Jang, Yau Wah, Young-Kee Kim

Pith reviewed 2026-05-07 06:33 UTC · model grok-4.3

classification ✦ hep-ex hep-ph
keywords dark sectorbeam dump experimentshort baselineaxion-like particlesdark messengersaccelerator experimentneutron backgroundsrare decays
0
0 comments X

The pith

DAMSA proposes an ultra-short baseline beam-dump experiment to catch fast-decaying dark sector particles missed by longer setups.

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

The paper presents DAMSA as a new short-baseline accelerator experiment that places a compact detector very close to a beam-dump target. This design targets MeV-to-sub-GeV particles from a dark sector that interact only feebly with ordinary matter and can be produced in large numbers but decay so rapidly they are lost in conventional longer-baseline experiments. The ultra-short baseline overcomes the beam-dump ceiling that limits sensitivity to these short-lived particles. The conceptual design focuses on a compact detector that can identify rare decays while handling the intense neutron backgrounds created by high-power proton beams. A smaller proof-of-concept version called the DAMSA Path-Finder is proposed at SLAC using 8 GeV electron beams to test the approach on axion-like particles decaying into two photons.

Core claim

DAMSA employs an ultra-short baseline in a beam-dump production scheme combined with a compact detector optimized for rare decays. This configuration overcomes the beam-dump ceiling that limits sensitivity to fast decaying particles in longer-baseline experiments and enables searches for MeV-to-sub-GeV dark-sector messengers with feeble couplings produced in abundance at the target. The design also addresses intense neutron-induced backgrounds inherent to high-power proton beams. The DAMSA Path-Finder proof-of-concept at the SLAC LESA facility with 8 GeV electron beams will benchmark the strategy by searching for axion-like particles decaying to two photons and thereby establish feasibility.

What carries the argument

Ultra-short baseline beam-dump setup with a compact detector optimized for rare decays, which captures signals from rapidly decaying particles close to their production point while mitigating neutron backgrounds.

If this is right

  • Reaches dark-sector messengers in the MeV-to-sub-GeV range with feeble couplings that are produced abundantly at beam dumps.
  • Overcomes the sensitivity limit for fast-decaying particles that constrains conventional longer-baseline beam-dump experiments.
  • Validates the experimental strategy through the DAMSA Path-Finder focusing on axion-like particle decays to two photons.
  • Enables a broad program to explore short-lived new physics and precision Standard Model processes in a previously inaccessible regime.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • The same short-baseline technique could be adapted at other high-intensity proton facilities to search for similar short-lived particles.
  • By accessing rare processes, the approach may provide new handles on open questions in neutrino physics that motivated the experiment.
  • Demonstrated background mitigation in a compact detector could serve as a template for future searches for short-lived particles at high-intensity beams.

Load-bearing premise

Intense neutron-induced backgrounds from high-power proton beams can be mitigated by the compact detector design while still preserving sensitivity to rare decay signals.

What would settle it

Measurements from the DAMSA Path-Finder experiment at SLAC showing neutron background rates too high to detect the expected two-photon decays from axion-like particles at the design sensitivity.

Figures

Figures reproduced from arXiv: 2604.28133 by Adrian Thompson, Alan Bross, Andrew Brandt, Anthony Gomez, Bhaskar Dutta, Bhupal Dev, Bradley Brown, Brian Joshua Gomez Hernandez, Chang-Seong Moon, David Nygren, Donna Naples, Doojin Kim, Eric Garcia, Eunsu Kim, Eunsuk Seo, Gajendra Gurung, Guang Yang, Haohui Che, Hyangkyu Park, Hyunyong Kim, Inseok Yoon, Jaehoon Yu, Jay Hyun Jo, Jing Liu, Jong-Chul Park, Juan V. Estrada, Juergen Reichenbacher, Krzysztof Jod{\l}owski, Melvin Shochet, Minseok Oh, Nathaniel J. Pastika, Paul Rubinov, Prithak Bhattarai, Rohit Raut, Samriddha Chakraborty, Seodong Shin, Shawn Westerdale, Shin Hyung Kim, Un-ki Yang, Veronika Shalamova, Vittorio Paolone, Wooyoung Jang, Yau Wah, Young-Kee Kim.

Figure 1
Figure 1. Figure 1: Sensitivity prospects for DAMSA to ALPs interacting with the SM photon at SLAC’s 8 GeV view at source ↗
Figure 2
Figure 2. Figure 2: Relative rates of Standard Model background processes for the DPF pathfinder at SLAC’s LESA view at source ↗
Figure 3
Figure 3. Figure 3: Relative rates of Standard Model background processes for the full-scale DAMSA experiment at view at source ↗
Figure 4
Figure 4. Figure 4: (Left) Stage 1 DAMSA experiment which consists of the 15 cm tungsten target, the vacuum decay view at source ↗
Figure 5
Figure 5. Figure 5: Photon production rate (left) and Background rate (right) view at source ↗
Figure 6
Figure 6. Figure 6: Structure of unit cell of µRWELL [52]. electronics caused by discharges. Additionally, it eliminates the need for spatial separation between the avalanche region and the induction region. The GEM foil can be directly stacked onto the readout PCB. As a result, the GEM foil obtains self rigidity, eliminating the need for foil stretching. This enables a simpler detector structure and significantly simplifies … view at source ↗
Figure 7
Figure 7. Figure 7: (Left) Photograph of a CsI crystal wrapped in aluminized mylar. (Right) 3D ECal layout. (Top) An view at source ↗
Figure 8
Figure 8. Figure 8: (Left) Illustration of the CsI crystal calibration measurements at UC Riverside, using a Hamamatsu view at source ↗
Figure 9
Figure 9. Figure 9: GEANT4 optical simulations a CsI detector showing the measured scintillation light versus de￾posited energy for 0–35 MeV depositions in the CsI (left) for all events, (middle) for energy deposited within 3 cm of the SiPM at either end of the CsI bar, and (right) for energy deposited in the central 6 cm. 17 view at source ↗
Figure 10
Figure 10. Figure 10: Detection photons as a function of energy deposited in the CsI for (Left) 1 view at source ↗
Figure 11
Figure 11. Figure 11: Monitored current of a Hamamatsu S14161 SiPM array during intermittent irradiation at KO view at source ↗
Figure 12
Figure 12. Figure 12: The concept of the 3D-projection detector. The material and the method of putting a physical view at source ↗
Figure 13
Figure 13. Figure 13: Various ambient neutron fluence calculations at Zacatecas City, from [ view at source ↗
Figure 14
Figure 14. Figure 14: Detector setups for observing variations in background signals based on distance and angle. view at source ↗
Figure 15
Figure 15. Figure 15: Particle identification in a typical liquid scintillator detector based on the differences in signal view at source ↗
Figure 16
Figure 16. Figure 16: Left – A neutron detector produced for this project, exposed to UV light, to be wrapped in a reflector and coupled to a SiPM array (not shown). Right – Prompt thermalization and delayed capture signals of calibration source neutrons in DarkSide-50’s neutron veto, from [69]. and thermal neutrons capture on 10B, via, n+ 10B →    7Li (1015 keV)+α (1775 keV) (6.4%) 7Li∗ +α (1471 keV), (93.6%) 7Li∗ → 7Li … view at source ↗
Figure 17
Figure 17. Figure 17: Kinetic energy spectra of secondary particles, including electrons, positrons, photons, protons, view at source ↗
Figure 18
Figure 18. Figure 18: All interactions of particles (top) and photons (bottom) escaping from the target and potentially view at source ↗
Figure 19
Figure 19. Figure 19: The GEANT4 simulation results of geometry configurations 1 (left) and 2 (right). view at source ↗
Figure 20
Figure 20. Figure 20: The trigger rates of geometry configurations 1 (left) 2 (right). Detector 1 is near the beam target, view at source ↗
Figure 21
Figure 21. Figure 21: Energy depositions by electrons (top left), protons (top right) in the EJ-301 liquid scintillator view at source ↗
Figure 22
Figure 22. Figure 22: Energy depositions by all particles in the EJ-301 liquid scintillator, shown in the energy-deposit view at source ↗
Figure 23
Figure 23. Figure 23: Energy distributions of electrons, protons, photons, and neutrons in the EJ-301 liquid scintilla view at source ↗
Figure 24
Figure 24. Figure 24: Leakage particles entering the detector per pulse (10 view at source ↗
Figure 25
Figure 25. Figure 25: Energy–time distributions of neutrons (left) and photons (right), normalized to 10 view at source ↗
Figure 26
Figure 26. Figure 26: Leakage particles above 500 MeV. Particle yields are shown as entries per pulse (10 view at source ↗
read the original abstract

DAMSA (DArk Messenger Searches at an Accelerator) is a novel short-baseline accelerator/beam dump experiment aimed at probing short-lived physics processes, including searches for evidence of a dark sector of particle physics and well-motivated rare Standard Model signals. Motivated by open questions in neutrino physics and the absence of conclusive evidence for conventional weakly interacting massive particles, DAMSA targets MeV-to-sub-GeV dark-sector messengers with feeble couplings that can be produced in abundance at a beam dump/target. By employing an ultra-short baseline, DAMSA is uniquely positioned to overcome the beam-dump "ceiling" that limits sensitivity to fast decaying particles in longer-baseline experiments. The conceptual design emphasizes a beam-dump production scheme combined with a compact detector optimized for rare decays while mitigating intense neutron-induced backgrounds, inherent to high-power proton beams. To validate the experimental strategy and detector technologies, the DAMSA Path-Finder (DPF) proof-of-concept experiment is also proposed, focusing on axion-like particles decaying to two photons, as the benchmark physics case and operating with 8 GeV electron beams at SLAC Linac-to-ESA (LESA) facility. Successful realization of DPF will establish the feasibility of the DAMSA approach, enabling a broad and powerful program to explore short-lived new physics and precision Standard Model processes in a previously inaccessible regime. This paper outlines the technical details of DAMSA's physics goals, key experimental challenges, and how to overcome them.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

1 major / 2 minor

Summary. The manuscript proposes DAMSA, a novel ultra-short-baseline beam-dump experiment at a high-power proton accelerator to search for short-lived MeV-to-sub-GeV dark-sector messengers and rare Standard Model processes. It claims that the short baseline overcomes the sensitivity ceiling for fast-decaying particles that limits longer-baseline experiments, with a compact detector optimized to mitigate intense neutron-induced backgrounds while preserving signal sensitivity. A DAMSA Path-Finder (DPF) proof-of-concept experiment using 8 GeV electron beams at SLAC LESA is proposed to validate the approach via axion-like particle decays to two photons.

Significance. If realized, DAMSA could access previously inaccessible parameter space for weakly coupled dark-sector states produced at beam dumps, complementing existing neutrino and dark-matter searches. The proposal clearly identifies the beam-dump ceiling problem and outlines a conceptual path forward. As a design study without quantitative background simulations, data, or detailed performance metrics, its significance rests on whether the neutron-mitigation strategy can be demonstrated.

major comments (1)
  1. [DAMSA Path-Finder (DPF) proposal] In the section describing the DAMSA Path-Finder (DPF): The DPF is specified to run with 8 GeV electron beams at SLAC LESA. Electron beams produce neutron yields orders of magnitude lower than those from multi-GeV proton beams on a dump. Consequently, successful DPF operation (e.g., observation of ALP → γγ decays) would not validate the neutron-background rejection performance required for the proton-based DAMSA configuration. No quantitative neutron-flux estimates, rejection factors, or simulations for the high-power proton case are provided to bridge this gap. This assumption is load-bearing for the central claim that a compact detector can mitigate intense neutron backgrounds while retaining sensitivity to rare decays.
minor comments (2)
  1. [Abstract] The abstract refers to 'the conceptual design section,' but the manuscript lacks numbered sections or a clear outline; adding explicit section headings and cross-references would improve readability.
  2. [Introduction or conceptual design] Consider adding references to existing proton beam-dump experiments (e.g., those at Fermilab or CERN) that quantify neutron backgrounds, to provide context for the claimed mitigation strategy.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their careful and constructive review of our manuscript on the DAMSA experiment. We address the major comment point by point below, with a commitment to strengthen the presentation of the DAMSA Path-Finder validation strategy.

read point-by-point responses

  1. Referee: In the section describing the DAMSA Path-Finder (DPF): The DPF is specified to run with 8 GeV electron beams at SLAC LESA. Electron beams produce neutron yields orders of magnitude lower than those from multi-GeV proton beams on a dump. Consequently, successful DPF operation (e.g., observation of ALP → γγ decays) would not validate the neutron-background rejection performance required for the proton-based DAMSA configuration. No quantitative neutron-flux estimates, rejection factors, or simulations for the high-power proton case are provided to bridge this gap. This assumption is load-bearing for the central claim that a compact detector can mitigate intense neutron backgrounds while retaining sensitivity to rare decays.

    Authors: We agree that the DPF with 8 GeV electrons cannot directly replicate the neutron flux environment of the high-power proton DAMSA configuration. The DPF is designed as a proof-of-concept to demonstrate the compact detector's performance for rare ALP → γγ decays, including signal reconstruction, timing resolution, and general background suppression techniques under beam conditions at SLAC LESA. We acknowledge that this leaves a gap for validating neutron-specific mitigation in the proton case. In the revised manuscript we will add a new subsection with order-of-magnitude neutron flux estimates for the proton DAMSA, scaled from published simulations of comparable high-power proton beam dumps (e.g., referencing MiniBooNE and LSND data), together with projected rejection factors from the proposed shielding, veto layers, and timing cuts. We will also revise the text to clarify that successful DPF operation establishes key detector technologies and the overall short-baseline approach, while proton-specific neutron studies will require dedicated simulations and, ultimately, a proton-beam test. These changes will make the validation pathway more transparent without overstating the DPF's scope. revision: yes

Circularity Check

0 steps flagged

No circularity: conceptual design proposal with no derivations or fitted predictions

full rationale

The paper is a conceptual design proposal for the DAMSA experiment and its DPF pathfinder. It contains no equations, derivations, parameter fits, or quantitative predictions that could reduce to inputs by construction. The text outlines physics motivations, experimental challenges (including neutron backgrounds), and a proposed validation strategy using electron beams at SLAC, without any self-referential logic, self-citation load-bearing claims, or renaming of known results as new derivations. All load-bearing statements are forward-looking design assertions rather than tautological reductions. The skeptic concern about electron vs. proton neutron yields is a question of empirical support, not circularity in the paper's internal chain.

Axiom & Free-Parameter Ledger

0 free parameters · 2 axioms · 0 invented entities

The paper introduces no new free parameters, no invented entities, and relies only on standard particle physics assumptions; it proposes an experimental apparatus to search for hypothesized dark sector particles without fitting or deriving new quantities.

axioms (2)
  • standard math Standard Model particles and interactions are as currently understood at accelerator energies for calculating backgrounds and signals.
    Invoked implicitly when discussing neutron backgrounds and rare SM processes in the abstract.
  • domain assumption Dark sector particles with feeble couplings to SM particles can be produced in abundance at beam dumps and decay to detectable final states.
    This is the core target of the search, assumed possible to motivate the experiment.

pith-pipeline@v0.9.0 · 5748 in / 1648 out tokens · 113438 ms · 2026-05-07T06:33:02.552621+00:00 · methodology

discussion (0)

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Reference graph

Works this paper leans on

77 extracted references · 51 canonical work pages · 3 internal anchors

  1. [1]

    Abi et al., Deep Underground Neutrino Experiment (DUNE), Far Detector technical design report, V olume I: Introduction to DUNE,JINST15(2020) T08008 [2002.02967]

    DUNE Collaboration, B. Abi et al., Deep Underground Neutrino Experiment (DUNE), Far Detector technical design report, V olume I: Introduction to DUNE,JINST15(2020) T08008 [2002.02967]

    work page arXiv 2020

  2. [2]

    Particle Dark Matter: Evidence, Candidates and Constraints

    G. Bertone, D. Hooper and J. Silk, Particle dark matter: Evidence, candidates and constraints, Phys. Rept.405(2005) 279 [hep-ph/0404175]

    work page Pith review arXiv 2005

  3. [3]

    Holdom, Two U(1)’s and Epsilon Charge Shifts,Phys

    B. Holdom, Two U(1)’s and Epsilon Charge Shifts,Phys. Lett. B166(1986) 196

    1986

  4. [4]

    Patt and F

    B. Patt and F. Wilczek, Higgs-field portal into hidden sectors,hep-ph/0605188

    work page arXiv

  5. [5]

    Secluded WIMP Dark Matter

    M. Pospelov, A. Ritz and M. B. V oloshin,Secluded WIMP Dark Matter, Phys. Lett. B662(2008) 53 [0711.4866]

    work page Pith review arXiv 2008

  6. [6]

    Pospelov and A

    M. Pospelov and A. Ritz, Astrophysical Signatures of Secluded Dark Matter, Phys. Lett. B671 (2009) 391 [0810.1502]

    work page arXiv 2009

  7. [7]

    Pospelov,Secluded U(1) below the weak scale,Phys

    M. Pospelov, Secluded U(1) below the weak scale, Phys. Rev. D80(2009) 095002 [0811.1030]

    work page arXiv 2009

  8. [8]

    Falkowski, J

    A. Falkowski, J. Juknevich and J. Shelton, Dark Matter Through the Neutrino Portal,0908.1790. 29 1 −101 10 2 103 10 [MeV]kE1 10 2 103 104 105 106 10Electron Energy [MeV] in the detector1 Electron Energy [MeV] in the detector1 1 −101 10 2 103 10 [MeV]kE1 10 2 10Proton Energy [MeV] in the detector1 Proton Energy [MeV] in the detector1 1 −101 10 2 103 10 [Me...

    work page arXiv

  9. [9]

    Arcadi, A

    G. Arcadi, A. Djouadi and M. Raidal, Dark Matter through the Higgs portal, Phys. Rept.842(2020) 1 [1903.03616]

    work page arXiv 2020

  10. [10]

    Batell, et al., Dark Sector Studies with Neutrino Beams, in: Snowmass 2021, 2022.arXiv:2207.06898

    B. Batell et al., Dark Sector Studies with Neutrino Beams, in Snowmass 2021, 7, 2022,2207.06898

    work page arXiv 2021

  11. [11]

    MINIBOONE Collaboration, A. A. Aguilar-Arevalo et al., Unexplained Excess of Electron-Like Events From a 1-GeV Neutrino Beam, Phys. Rev. Lett.102 (2009) 101802 [0812.2243]

    work page arXiv 2009

  12. [12]

    MINIBOONE Collaboration, A. A. Aguilar-Arevalo et al., Significant Excess of ElectronLike Events in the MiniBooNE Short-Baseline Neutrino Experiment, Phys. Rev. Lett.121(2018) 221801 [1805.12028]

    work page arXiv 2018

  13. [13]

    MINIBOONE Collaboration, A. A. Aguilar-Arevalo et al., Updated MiniBooNE neutrino oscillation results with increased data and new background studies, Phys. Rev. D103(2021) 052002 [2006.16883]

    work page arXiv 2021

  14. [14]

    Aguilar et al., Evidence for neutrino oscillations from the observation of ¯νe appearance in a ¯νµ beam, Phys

    LSND Collaboration, A. Aguilar et al., Evidence for neutrino oscillations from the observation of ¯νe appearance in a ¯νµ beam, Phys. Rev. D 64(2001) 112007 [hep-ex/0104049]

    work page arXiv 2001

  15. [15]

    Dutta, D

    B. Dutta, D. Kim and H. Kim, A Novel Beam-Dump Measurement with the LHC General-Purpose Detectors,2305.16383. 30 Figure 24: Leakage particles entering the detector per pulse (104 EOT); neutrons and photons dominate

    work page arXiv

  16. [16]

    D. Kim, J. Yu, J.-C. Park and H. Kim, The Beam-Dump Ceiling and Its Experimental Implication: The Case of a Portable Experiment, 2401.09529

    work page internal anchor Pith review arXiv

  17. [17]

    W. Jang, D. Kim, K. Kong, Y . Kwon, J.-C. Park, M. S. Ryu, S. Shin, R. G. Van de Water, U.-K. Yang and J. Yu, Search prospects for axionlike particles at rare nuclear isotope accelerator facilities, Phys. Rev. D107(2023) L031901 [2207.02223]

    work page arXiv 2023

  18. [18]

    Albanese et al., BDF/SHiP at the ECN3 high-intensity beam facility, tech

    SHIP Collaboration, R. Albanese et al., BDF/SHiP at the ECN3 high-intensity beam facility, tech. rep., CERN, Geneva, 2023

    2023

  19. [19]

    Bhattarai et al., DAMSA Experiment Conceptual Design White Paper, 2601.15255

    DAMSA Collaboration, P. Bhattarai et al., DAMSA Experiment Conceptual Design White Paper, 2601.15255

    work page arXiv

  20. [20]

    R. D. Peccei and H. R. Quinn, CP Conservation in the Presence of Instantons, Phys. Rev. Lett.38 (1977) 1440

    1977

  21. [21]

    Wilczek, Problem of StrongPandTInvariance in the Presence of Instantons, Phys

    F. Wilczek, Problem of StrongPandTInvariance in the Presence of Instantons, Phys. Rev. Lett.40 (1978) 279

    1978

  22. [22]

    Weinberg, A New Light Boson?, Phys

    S. Weinberg, A New Light Boson?, Phys. Rev. Lett.40(1978) 223

    1978

  23. [23]

    Dine and W

    M. Dine and W. Fischler, The Not So Harmless Axion, Phys. Lett. B120(1983) 137

    1983

  24. [24]

    A. R. Zhitnitsky, On Possible Suppression of the Axion Hadron Interactions. (In Russian), Sov. J. Nucl. Phys.31(1980) 260

    1980

  25. [25]

    Sun and X.-G

    J. Sun and X.-G. He, DFSZ axion couplings revisited, Phys. Lett. B811(2020) 135881 [2006.16931]

    work page arXiv 2020

  26. [26]

    Di Luzio, M

    L. Di Luzio, M. Giannotti, E. Nardi and L. Visinelli, The landscape of QCD axion models, Phys. Rept.870(2020) 1 [2003.01100]. 31 10 3 10 2 10 1 100 101 102 103 E [MeV] 100 101 102 103 Time [ns] Hits of n 10 4 10 3 10 2 10 1 100 10 3 10 2 10 1 100 101 102 103 E [MeV] 100 101 102 103 Time [ns] Hits of 10 4 10 3 10 2 10 1 100 101 Figure 25: Energy–time distr...

    work page arXiv 2020

  27. [27]

    C. Han, M. L. L ´opez-Ib´a˜nez, A. Melis, O. Vives and J. M. Yang, Anomaly-free leptophilic axionlike particle and its flavor violating tests, Phys. Rev. D103(2021) 035028 [2007.08834]

    work page arXiv 2021

  28. [28]

    Ganguly, B

    S. Ganguly, B. Mukhopadhyaya and S. Roy, Can leptophilic-ALP be a solution to the muon (g−2) anomaly?, Int. J. Mod. Phys. A40(2025) 2550054 [2204.07920]

    work page arXiv 2025

  29. [29]

    Bauer, M

    M. Bauer, M. Neubert and A. Thamm, Collider Probes of Axion-Like Particles, JHEP12(2017) 044 [1708.00443]

    work page arXiv 2017

  30. [30]

    Eberhart, M

    A. Eberhart, M. Fedele, F. Kahlhoefer, E. Ravensburg and R. Ziegler, Leptophilic ALPs in Laboratory Experiments,2504.05873

    work page arXiv

  31. [31]

    Alimenaet al., inLHCb FIP Physics Workshop 2025(2025) arXiv:2510.05257 [hep-ph]

    J. Alimena et al., Feebly-Interacting Particles: FIPs at LHCb — Workshop Report 2025 Edition, in LHCb FIP Physics Workshop 2025, 10, 2025,2510.05257. 32

    work page arXiv 2025

  32. [32]

    Schuster, N

    P. Schuster, N. Toro and K. Zhou, Probing invisible vector meson decays with the NA64 and LDMX experiments, Phys. Rev. D105 (2022) 035036 [2112.02104]

    work page arXiv 2022

  33. [33]

    A Large Mass Hierarchy from a Small Extra Dimension

    L. Randall and R. Sundrum, A Large mass hierarchy from a small extra dimension, Phys. Rev. Lett. 83(1999) 3370 [hep-ph/9905221]

    work page internal anchor Pith review arXiv 1999

  34. [34]

    Antoniadis, S

    I. Antoniadis, S. Dimopoulos and A. Giveon, Little string theory at a TeV, JHEP05(2001) 055 [hep-th/0103033]

    work page arXiv 2001

  35. [35]

    Arkani-Hamed, S

    N. Arkani-Hamed, S. Dimopoulos and G. R. Dvali, The Hierarchy problem and new dimensions at a millimeter, Phys. Lett. B429(1998) 263 [hep-ph/9803315]

    work page arXiv 1998

  36. [36]

    H. M. Lee, M. Park and V . Sanz,Gravity-mediated (or Composite) Dark Matter, Eur. Phys. J. C74 (2014) 2715 [1306.4107]

    work page arXiv 2014

  37. [37]

    Kang and H

    Y .-J. Kang and H. M. Lee,Lightening Gravity-Mediated Dark Matter, Eur. Phys. J. C80(2020) 602 [2001.04868]

    work page arXiv 2020

  38. [38]

    Hinterbichler, Rev

    K. Hinterbichler, Theoretical Aspects of Massive Gravity, Rev. Mod. Phys.84(2012) 671 [1105.3735]

    work page arXiv 2012

  39. [39]

    Jodłowski, Probing some photon portals to new physics at intensity frontier experiments, Phys

    K. Jodłowski, Probing some photon portals to new physics at intensity frontier experiments, Phys. Rev. D108(2023) 115017 [2305.05710]

    work page arXiv 2023

  40. [40]

    J. D. Bjorken, R. Essig, P. Schuster and N. Toro, New Fixed-Target Experiments to Search for Dark Gauge Forces,Phys. Rev. D80(2009) 075018 [0906.0580]

    work page arXiv 2009

  41. [41]

    Batell, R

    B. Batell, R. Essig and Z. Surujon, Strong Constraints on Sub-GeV Dark Sectors from SLAC Beam Dump E137, Phys. Rev. Lett.113 (2014) 171802 [1406.2698]

    work page arXiv 2014

  42. [42]

    Choi et al., New Physics Opportunities at Neutrino Facilities: BSM Physics at Accelerator, Atmospheric, and Reactor Neutrino Experiments,2506.15306

    K. Choi et al., New Physics Opportunities at Neutrino Facilities: BSM Physics at Accelerator, Atmospheric, and Reactor Neutrino Experiments,2506.15306

    work page arXiv

  43. [43]

    Tucker-Smith and N

    D. Tucker-Smith and N. Weiner, Inelastic dark matter, Phys. Rev. D64(2001) 043502 [hep-ph/0101138]

    work page arXiv 2001

  44. [44]

    Izaguirre, G

    E. Izaguirre, G. Krnjaic, P. Schuster and N. Toro, Physics motivation for a pilot dark matter search at Jefferson Laboratory, Phys. Rev. D90(2014) 014052 [1403.6826]

    work page arXiv 2014

  45. [45]

    Collider

    D. Kim, J.-C. Park and S. Shin, Dark Matter “Collider” from Inelastic Boosted Dark Matter, Phys. Rev. Lett.119(2017) 161801 [1612.06867]

    work page arXiv 2017

  46. [46]

    Dutta, W.-C

    B. Dutta, W.-C. Huang, D. Kim, J. L. Newstead, J.-C. Park and I. S. Ali, Prospects for Light Dark Matter Searches at Large-V olume Neutrino Detectors,Phys. Rev. Lett.133 (2024) 161801 [2402.04184]

    work page arXiv 2024

  47. [47]

    Choi and J.-C

    K. Choi and J.-C. Park, New Search for Dark Matter with Neutrons at Neutrino Detectors, 2409.05646. 33

    work page arXiv

  48. [48]

    Dark matter signals from timing spectra at neutrino experiments,

    B. Dutta, D. Kim, S. Liao, J.-C. Park, S. Shin and L. E. Strigari, Dark matter signals from timing spectra at neutrino experiments, Phys. Rev. Lett.124(2020) 121802 [1906.10745]

    work page arXiv 2020

  49. [49]

    Dutta, D

    B. Dutta, D. Kim, S. Liao, J.-C. Park, S. Shin, L. E. Strigari and A. Thompson, Searching for dark matter signals in timing spectra at neutrino experiments, JHEP01(2022) 144 [2006.09386]

    work page arXiv 2022

  50. [50]

    D ¨obrich, J

    B. D ¨obrich, J. Jaeckel and T. Spadaro, Light in the beam dump – ALP production from decay photons in proton beam-dumps, JHEP05(2019) 213 [1904.02091]

    work page arXiv 2019

  51. [51]

    Poli Lener, G

    M. Poli Lener, G. Bencivenni, R. de Olivera, G. Felici, S. Franchino, M. Gatta, M. Maggi, G. Morello and A. Sharma, The µ-rwell: A compact, spark protected, single amplification-stage mpgd, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment824(2016) 565. Frontier Detectors for Fro...

    2016

  52. [52]

    Bencivenni, R

    G. Bencivenni, R. de Oliveira, G. Felici, M. Gatta, M. Giovannetti, G. Morello, A. Ochi, M. P. Lener and E. Tskhadadze, The µ-rwell layouts for high particle rate, Journal of Instrumentation14(2019) P05014

    2019

  53. [53]

    Gnanvo, N

    K. Gnanvo, N. Liyanage, B. Mehl and R. de Oliveira, Performance of a resistive micro-well detector with capacitive-sharing strip anode readout, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment1047(2023) 167782

    2023

  54. [54]

    Lupberger, L

    M. Lupberger, L. Bartels, F. Brunbauer, M. Guth, S. Martoiu, H. M ¨uller, E. Oliveri, D. Pfeiffer, L. Ropelewski, A. Rusu and P. Thuiner,Implementation of the vmm asic in the scalable readout system, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment903(2018) 91

    2018

  55. [55]

    Blondel et al., A fully active fine grained detector with three readout views, JINST13(2018) P02006 [1707.01785]

    A. Blondel et al., A fully active fine grained detector with three readout views, JINST13(2018) P02006 [1707.01785]

    work page arXiv 2018

  56. [56]

    T2K ND280 Upgrade Collaboration, The super fine-grained detector for the T2K neutrino oscillation experiment,2603.14921

    work page arXiv

  57. [57]

    Che and G

    H. Che and G. Yang, Performance benchmarks for 2-view and 3-view fiber-projection fine-grained particle detectors,2601.07633

    work page arXiv

  58. [58]

    M. Yeh, S. Hans, W. Beriguete et al., A new water-based liquid scintillator and potential applications, Nucl. Instrum. Meth. A660(2011) 51

    2011

  59. [59]

    BNL WbLS Group, Design, construction, and operation of a 30-ton water-based liquid scintillator detector at Brookhaven National Laboratory,2603.20019

    work page arXiv

  60. [60]

    LiquidO Collaboration, Characterization of a radiation detector based on opaque water-based liquid scintillator,2406.13054

    work page arXiv

  61. [61]

    Li et al., A 3D segmented water-based liquid scintillator for high-precision detection of neutrinos in water,2508.11355

    B. Li et al., A 3D segmented water-based liquid scintillator for high-precision detection of neutrinos in water,2508.11355

    work page arXiv

  62. [62]

    V . C and H. R,Study of the environmental neutron spectrum at Zacatecas city, . 34

  63. [63]

    Korun, R

    M. Korun, R. Martincic, B. Pucelj and M. Ravnik, Measurement of the ambient neutron background with a high-resolution {gamma}-ray spectrometer,

  64. [64]

    FTBF, Fermilab test beam facility,https://ftbf.fnal.gov

  65. [65]

    Accessed: Aug

    Eljen Technology, EJ-301, EJ-309 - neutron/Gamma PSD liquid scintillators, https://eljentechnology.com/products/liquid-scintillators/ej-301-ej-309, 2021. Accessed: Aug. 31. 2024

    2021

  66. [66]

    S. Das, V . Kashyap and B. Mohanty,Energy calibration of ej-301 scintillation detector using unfolding methods for fast neutron measurement, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment1042(2022) 167405

    2022

  67. [67]

    R. Lang, D. Masson, J. Pienaar and S. R ¨ottger, Improved pulse shape discrimination in ej-301 liquid scintillators, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment856(2017) 26

    2017

  68. [68]

    K. G. Kim Chanho, Yeom Jung-Yeol, Digital neutron-gamma pulse shape discrimination in organic scintillators with a high-speed digitizer, J. Radiat. Prot. Res44(2019) 53

    2019

  69. [69]

    S. S. Westerdale, A Study of Nuclear Recoil Backgrounds in Dark Matter Detectors, . Accepted: 2016-11-22T21:32:40Z

    2016

  70. [70]

    Westerdale, E

    S. Westerdale, E. Shields and F. Calaprice, A prototype neutron veto for dark matter detectors, Astropart Phys79(2016) 10

    2016

  71. [71]

    Westerdale, J

    S. Westerdale, J. Xu, E. Shields, F. Froborg, F. Calaprice, T. Alexander, A. Aprahamian, H. O. Back, C. Casarella, X. Fang, Y . K. Gupta, E. Lamere, Q. Liu, S. Lyons, M. Smith and W. Tan,Quenching measurements and modeling of a boron-loaded organic liquid scintillator, J Instrum12(2017) P08002

    2017

  72. [72]

    Agnes et al., The veto system of the DarkSide-50 experiment, J Instrum11(2016) P03016

    DARKSIDECOLLABORATIONCollaboration, P. Agnes et al., The veto system of the DarkSide-50 experiment, J Instrum11(2016) P03016

    2016

  73. [73]

    Mukhopadhyay, N

    S. Mukhopadhyay, N. J. Cherepy, M. Fiederle and R. B. James, Review of direct neutron conversion and detection processes, SPIE (2022) 23

    2022

  74. [74]

    Westerdale and P

    S. Westerdale and P. D. Meyers, Radiogenic neutron yield calculations for low-background experiments, Nucl Instrum Methods Phys Res A875(2017) 57

    2017

  75. [75]

    M. B. Gromov, S. Westerdale, I. A. Goncharenko and A. S. Chepurnov, Calculation of Neutron and Gamma Yields of (α, n) and (α, nγ) Reactions by Means of a New Versionof the NeuCBOT Program for low background Experiments, Phys At Nucl86(2023) 181

    2023

  76. [76]

    G4CASCADE: A data-driven imple- mentation of (n,γ) cascades in Geant4,

    L. Weimer, M. Lai, E. Ellingwood and S. Westerdale, G4CASCADE: A data-driven implementation of (n, γ) cascades in Geant4, Aug., 2024. 10.48550/arXiv.2408.02774

    work page doi:10.48550/arxiv.2408.02774 2024

  77. [77]

    Cano-Ott, S

    D. Cano-Ott, S. Cebri ´an, M. Gromov, M. Hara´nczyk, A. Kish, H. Kluck, V . A. Kudryavtsev, I. Lazanu, V . Lozza, G. Luz´on, E. Mendoza, M. Parvu, V . Pesudo, A. Pocar, R. Santorelli, M. Selvi, S. Westerdale and G. Zuzel, White paper on (α, n) neutron yield calculations, arXiv:2405.07952 (2024) [2405.07952]. 35

    work page internal anchor Pith review arXiv 2024