A D2O detector for flux normalization of a pion decay-at-rest neutrino source,Journal of Instrumentation

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A D2O detector for flux normalization of a pion decay-at-rest neutrino source
Journal of Instrumentation ( IF 1.3 ) Pub Date : 2021-08-16 , DOI: 10.1088/1748-0221/16/08/p08048
D. Akimov ₁ , P. An _{2,

3} , C. Awe _{2,

3} , P.S. Barbeau _{2,

3} , B. Becker ₄ , V. Belov _{1,

5} , I. Bernardi ₄ , M.A. Blackston ₆ , A. Bolozdynya ₁ , B. Cabrera-Palmer ₇ , D. Chernyak ₈ , E. Conley ₂ , J. Daughhetee _{4,

6} , E. Day ₉ , J. Detwiler ₁₀ , K. Ding ₈ , M.R. Durand ₁₀ , Y. Efremenko _{4,

6} , S.R. Elliott ₁₁ , L. Fabris ₆ , M. Febbraro ₆ , A. Gallo Rosso ₁₂ , A. Galindo-Uribarri _{4,

6} , M.P. Green _{3,

6,

13} , M.R. Heath ₆ , S. Hedges _{2,

3} , D. Hoang ₉ , M. Hughes ₁₄ , T. Johnson _{2,

3} , A. Khromov ₁ , A. Konovalov _{1,

5} , J. Koros ₃ , E. Kozlova _{1,

5} , A. Kumpan ₁ , L. Li _{2,

3} , J.M. Link ₁₅ , J. Liu ₈ , K. Mann ₁₃ , D.M. Markoff _{3,

16} , J. Mastroberti ₁₄ , P.E. Mueller ₆ , J. Newby ₆ , D.S. Parno ₉ , S.I. Penttila ₆ , D. Pershey ₂ , R. Rapp ₉ , H. Ray ₁₇ , J. Raybern ₂ , O. Razuvaeva _{1,

5} , D. Reyna ₇ , G.C. Rich ₃ , J. Ross _{3,

16} , D. Rudik ₁ , J. Runge _{2,

3} , D.J. Salvat ₁₄ , A.M. Salyapongse ₉ , K. Scholberg ₂ , A. Shakirov ₁ , G. Simakov _{1,

5} , G. Sinev ₂ , W.M. Snow ₁₄ , V. Sosnovstsev ₁ , B. Suh ₁₄ , R. Tayloe ₁₄ , K. Tellez-Giron-Flores ₁₅ , I. Tolstukhin ₁₄ , E. Ujah _{3,

16} , J. Vanderwerp ₁₄ , R.L. Varner ₆ , C.J. Virtue ₁₂ , G. Visser ₁₄ , E.M. Ward ₄ , C. Wiseman ₁₀ , T. Wongjirad ₁₈ , Y.-R. Yen ₉ , J. Yoo _{19,

20} , C.-H. Yu ₆ , J. Zettlemoyer ₁₄

Affiliation

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow, 115409, Russian Federation
Department of Physics, Duke University, Durham, NC, 27708, U.S.A.
Triangle Universities Nuclear Laboratory, Durham, NC, 27708, U.S.A.
Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, 37996, U.S.A.
Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Centre “Kurchatov Institute”, Moscow, 117218, Russian Federation
Oak Ridge National Laboratory, Oak Ridge, TN, 37831, U.S.A.
Sandia National Laboratories, Livermore, CA, 94550, U.S.A.
Physics Department, University of South Dakota, Vermillion, SD, 57069, U.S.A.
Department of Physics, Carnegie Mellon University, Pittsburgh, PA, 15213, U.S.A.
Center for Experimental Nuclear Physics and Astrophysics & Department of Physics, University of Washington, Seattle, WA, 98195, U.S.A.
Los Alamos National Laboratory, Los Alamos, NM, 87545, U.S.A.
Department of Physics, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
Department of Physics, North Carolina State University, Raleigh, NC, 27695, U.S.A.
Department of Physics, Indiana University, Bloomington, IN, 47405, U.S.A.
Center for Neutrino Physics, Virginia Tech, Blacksburg, VA, 24061, U.S.A.
Department of Mathematics and Physics, North Carolina Central University, Durham, NC, 27707, U.S.A.
Department of Physics, University of Florida, Gainesville, FL, 32611, U.S.A.
Department of Physics and Astronomy, Tufts University, Medford, MA, 02155, U.S.A.
Department of Physics, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
Center for Axion and Precision Physics Research (CAPP) at Institute for Basic Science (IBS), Daejeon, 34141, Republic of Korea

We report on the technical design and expected performance of a 592 kg heavy-water-Cherenkov detector to measure the absolute neutrino flux from the pion-decay-at-rest neutrino source at the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL). The detector will be located roughly 20 m from the SNS target and will measure the neutrino flux with better than 5% statistical uncertainty in 2 years. This heavy-water detector will serve as the first module of a two-module detector system to ultimately measure the neutrino flux to 2–3% at both the First Target Station and the planned Second Target Station of the SNS. This detector will significantly reduce a dominant systematic uncertainty for neutrino cross-section measurements at the SNS, increasing the sensitivity of searches for new physics.

中文翻译：

用于 pion 衰变中微子源通量归一化的 D2O 探测器

我们报告了 592 kg 重水切伦科夫探测器的技术设计和预期性能，用于测量来自橡树岭国家实验室散裂中子源 (SNS) 的静止中微子衰变源的绝对中微子通量。 ORNL）。探测器将位于距 SNS 目标大约 20 m 的位置，并将在 2 年内以优于 5% 的统计不确定性测量中微子通量。该重水探测器将作为双模块探测器系统的第一个模块，最终在 SNS 的第一个目标站和计划的第二个目标站测量 2-3% 的中微子通量。该探测器将显着降低 SNS 中微子横截面测量的主要系统不确定性，提高搜索新物理的灵敏度。

更新日期：2021-08-16

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