Sensitivity of the COHERENT experiment to accelerator-produced dark matter

Sensitivity of the COHERENT experiment to accelerator-produced dark matter
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DOI：
10.1103/physrevd.102.052007
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发表时间：
2019-11
期刊：
arXiv: High Energy Physics - Experiment
影响因子：
--
通讯作者：
C. C. D. Akimov-C.;Peibo An;C. Awe;P. Barbeau;B. Becker;V. Belov;M. Blackston;A. Bolozdynya;B. Cabrera-Palmer;N. Chen;E. Conley;R. Cooper;J. Daughhetee;M. D. V. Coello;J. Detwiler;M. Durand;Y. Efremenko;S. Elliott;L. Fabris;M. Febbraro;W. Fox;A. Galindo-Uribarri;M. Green;K. S. Hansen;M. Heath;S. Hedges;T. Johnson;M. Kaemingk;L. Kaufman;A. Khromov;A. Konovalov;E. Kozlova;A. Kumpan;L. Li;J. Librande;J. Link;J. Liu;K. Mann;D. Markoff;H. Moreno;P. Mueller;J. Newby;D. Parno;S. Penttila;D. Pershey;D. Radford;R. Rapp;H. Ray;J. Raybern;O. Razuvaeva;D. Reyna;G. Rich;D. Rudik;J. Runge;D. Salvat;K. Scholberg;A. Shakirov;G. Simakov;G. Sinev;W. Snow;V. Sosnovtsev;B. Suh;R. Tayloe;K. Tellez-Giron-Flores;R. Thornton;I. Tolstukhin;J. Vanderwerp;R. Varner;C. Virtue;G. Visser;C. Wiseman;T. Wongjirad;J. Yang;Y. Yen;J. Yoo;C.-H. Yu;J. Zettlemoyer
C. C. D. Akimov-C.;Peibo An;C. Awe;P. Barbeau;B. Becker;V. Belov;M. Blackston;A. Bolozdynya;B. Cabrera-Palmer;N. Chen;E. Conley;R. Cooper;J. Daughhetee;M. D. V. Coello;J. Detwiler;M. Durand;Y. Efremenko;S. Elliott;L. Fabris;M. Febbraro;W. Fox;A. Galindo-Uribarri;M. Green;K. S. Hansen;M. Heath;S. Hedges;T. Johnson;M. Kaemingk;L. Kaufman;A. Khromov;A. Konovalov;E. Kozlova;A. Kumpan;L. Li;J. Librande;J. Link;J. Liu;K. Mann;D. Markoff;H. Moreno;P. Mueller;J. Newby;D. Parno;S. Penttila;D. Pershey;D. Radford;R. Rapp;H. Ray;J. Raybern;O. Razuvaeva;D. Reyna;G. Rich;D. Rudik;J. Runge;D. Salvat;K. Scholberg;A. Shakirov;G. Simakov;G. Sinev;W. Snow;V. Sosnovtsev;B. Suh;R. Tayloe;K. Tellez-Giron-Flores;R. Thornton;I. Tolstukhin;J. Vanderwerp;R. Varner;C. Virtue;G. Visser;C. Wiseman;T. Wongjirad;J. Yang;Y. Yen;J. Yoo;C.-H. Yu;J. Zettlemoyer
中科院分区：
其他
文献类型：
--
作者：
C. C. D. Akimov-C.;Peibo An;C. Awe;P. Barbeau;B. Becker;V. Belov;M. Blackston;A. Bolozdynya;B. Cabrera-Palmer;N. Chen;E. Conley;R. Cooper;J. Daughhetee;M. D. V. Coello;J. Detwiler;M. Durand;Y. Efremenko;S. Elliott;L. Fabris;M. Febbraro;W. Fox;A. Galindo-Uribarri;M. Green;K. S. Hansen;M. Heath;S. Hedges;T. Johnson;M. Kaemingk;L. Kaufman;A. Khromov;A. Konovalov;E. Kozlova;A. Kumpan;L. Li;J. Librande;J. Link;J. Liu;K. Mann;D. Markoff;H. Moreno;P. Mueller;J. Newby;D. Parno;S. Penttila;D. Pershey;D. Radford;R. Rapp;H. Ray;J. Raybern;O. Razuvaeva;D. Reyna;G. Rich;D. Rudik;J. Runge;D. Salvat;K. Scholberg;A. Shakirov;G. Simakov;G. Sinev;W. Snow;V. Sosnovtsev;B. Suh;R. Tayloe;K. Tellez-Giron-Flores;R. Thornton;I. Tolstukhin;J. Vanderwerp;R. Varner;C. Virtue;G. Visser;C. Wiseman;T. Wongjirad;J. Yang;Y. Yen;J. Yoo;C.-H. Yu;J. Zettlemoyer

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COHERENT实验是准备好测试亚GeV暗物质模型使用低能量反冲探测器敏感的相干弹性中微子核散射（CEvNS）的$\pi$-DAR中微子束产生的Spinning中子源。我们展示了计划中的750公斤液氩闪烁探测器将如何对标量光暗物质模型施加领先的限制，超过两个数量级的暗物质质量，在没有超出标准模型的其他影响的情况下，通过矢量和疏轻子门户产生的暗物质粒子。一个$\pi$-DAR波束的特征时序结构允许一个独特的机会，约束系统的不确定性的标准模型背景中的时间窗口，信号是不期望的，提高预期的灵敏度。此外，我们讨论了未来的前景，进一步增加CEvNS探测器的发现潜力。这种方法将测试计算的热暗物质丰度的所有耦合$\alpha '\leq 1 $在矢量门户模型超过一个数量级的暗物质质量。
The COHERENT experiment is well poised to test sub-GeV dark matter models using low-energy recoil detectors sensitive to coherent elastic neutrino-nucleus scattering (CEvNS) in the $\pi$-DAR neutrino beam produced by the Spallation Neutron Source. We show how a planned 750-kg liquid argon scintillation detector would place leading limits on scalar light dark matter models, over two orders of magnitude of dark matter mass, for dark matter particles produced through vector and leptophobic portals in the absence of other effects beyond the standard model. The characteristic timing structure of a $\pi$-DAR beam allows a unique opportunity for constraining systematic uncertainties on the standard model background in a time window where signal is not expected, enhancing expected sensitivity. Additionally, we discuss future prospects, further increasing the discovery potential of CEvNS detectors. Such methods would test the calculated thermal dark matter abundance for all couplings $\alpha'\leq1$ within the vector portal model over an order of magnitude of dark matter masses.