Cosmogenic neutron production at Daya Bay

被引：12

作者：

An, F. P. ^{[1
]}

Balantekin, A. B. ^{[2
]}

Band, H. R. ^{[3
,4
]}

Bishai, M. ^{[5
]}

Blyth, S. ^{[6
,7
]}

Cao, D. ^{[8
]}

Cao, G. F. ^{[9
]}

Cao, J. ^{[9
]}

Chan, Y. L. ^{[10
]}

Chang, J. F. ^{[9
]}

Chang, Y. ^{[7
]}

Chen, H. S. ^{[9
]}

Chen, S. M. ^{[11
]}

Chen, Y. ^{[12
]}

Chen, Y. X. ^{[13
]}

Cheng, J. ^{[14
]}

Cheng, Z. K. ^{[15
]}

Cherwinka, J. J. ^{[2
]}

Chu, M. C. ^{[10
]}

Chukanov, A. ^{[16
]}

Cummings, J. P. ^{[17
]}

Ding, Y. Y. ^{[9
]}

Diwan, M. V. ^{[5
]}

Dolgareva, M. ^{[16
]}

Dove, J. ^{[18
]}

Dwyer, D. A. ^{[19
]}

Edwards, W. R. ^{[19
]}

Gill, R. ^{[5
]}

Gonchar, M. ^{[16
]}

Gong, G. H. ^{[11
]}

Gong, H. ^{[11
]}

Grassi, M. ^{[9
]}

Gu, W. Q. ^{[20
]}

Guo, L. ^{[11
]}

Guo, X. H. ^{[21
]}

Guo, Y. H. ^{[22
]}

Guo, Z. ^{[11
]}

Hackenburg, R. W. ^{[1
]}

Hans, S. ^{[1
,45
]}

He, M. ^{[9
]}

Heeger, K. M. ^{[3
,4
]}

Heng, Y. K. ^{[9
]}

Higuera, A. ^{[23
]}

Hsiung, Y. B. ^{[6
]}

Hu, B. Z. ^{[6
]}

Hu, T. ^{[9
]}

Huang, H. X. ^{[24
]}

Huang, X. T. ^{[14
]}

Huang, Y. B. ^{[9
]}

Huber, P. ^{[25
]}

机构：

[1] East China Univ Sci & Technol, Inst Modern Phys, Shanghai, Peoples R China

[2] Univ Wisconsin, Madison, WI 53706 USA

[3] Yale Univ, Wright Lab, New Haven, CT 06520 USA

[4] Yale Univ, Dept Phys, New Haven, CT 06520 USA

[5] Brookhaven Natl Lab, Upton, NY 11973 USA

[6] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan

[7] Natl United Univ, Miaoli, Taiwan

[8] Nanjing Univ, Nanjing, Jiangsu, Peoples R China

[9] Inst High Energy Phys, Beijing, Peoples R China

[10] Chinese Univ Hong Kong, Hong Kong, Hong Kong, Peoples R China

[11] Tsinghua Univ, Dept Engn Phys, Beijing, Peoples R China

[12] Shenzhen Univ, Shenzhen, Peoples R China

[13] North China Elect Power Univ, Beijing, Peoples R China

[14] Shandong Univ, Jinan, Shandong, Peoples R China

[15] Sun Yat Sen Zhongshan Univ, Guangzhou, Guangdong, Peoples R China

[16] Joint Inst Nucl Res, Dubna, Moscow Region, Russia

[17] Siena Coll, New York, NY 12211 USA

[18] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[19] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[20] Shanghai Jiao Tong Univ, Shanghai Lab Particle Phys & Cosmol, Dept Phys & Astron, Shanghai, Peoples R China

[21] Beijing Normal Univ, Beijing, Peoples R China

[22] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Nucl Sci & Technol, Xian, Shaanxi, Peoples R China

[23] Univ Houston, Dept Phys, Houston, TX 77204 USA

[24] China Inst Atom Energy, Beijing, Peoples R China

[25] Virginia Tech, Ctr Neutrino Phys, Blacksburg, VA 24061 USA

[26] Univ Sci & Technol China, Hefei, Anhui, Peoples R China

[27] Natl Chiao Tung Univ, Inst Phys, Hsinchu, Taiwan

[28] Nankai Univ, Sch Phys, Tianjin, Peoples R China

[29] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA

[30] Temple Univ, Coll Sci & Technol, Dept Phys, Philadelphia, PA 19122 USA

[31] Dongguan Univ Technol, Dongguan, Peoples R China

[32] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[33] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China

[34] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic

[35] IIT, Dept Phys, Chicago, IL 60616 USA

[36] Princeton Univ, Joseph Henry Labs, Princeton, NJ 08544 USA

[37] Pontificia Univ Catolica Chile, Inst Fis, Santiago, Chile

[38] CALTECH, Pasadena, CA 91125 USA

[39] Coll William & Mary, Williamsburg, VA 23187 USA

[40] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA

[41] China Gen Nucl Power Grp, Shenzhen, Peoples R China

[42] Natl Univ Def Technol, Coll Elect Sci & Engn, Changsha, Hunan, Peoples R China

[43] Iowa State Univ, Ames, IA 50011 USA

[44] Chongqing Univ, Chongqing, Peoples R China

[45] CUNY Bronx Community Coll, Dept Chem & Chem Technol, Bronx, NY 10453 USA

来源：

PHYSICAL REVIEW D | 2018年 / 97卷 / 05期

基金：

日本学术振兴会;

关键词：

MUON-INDUCED NEUTRON; COSMIC-RAY MUONS; INTENSITY CURVE; SIMULATION; DEPTH; DETECTORS; GEANT4; SYSTEM; MUSIC; FLUX;

D O I：

10.1103/PhysRevD.97.052009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Neutrons produced by cosmic ray muons are an important background for underground experiments studying neutrino oscillations, neutrinoless double beta decay, dark matter, and other rare-event signals. A measurement of the neutron yield in the three different experimental halls of the Daya Bay Reactor Neutrino Experiment at varying depth is reported. The neutron yield in Daya Bay's liquid scintillator is measured to be Y-n = (10.26 +/- 0.86) x 10(-5), (10.22 +/- 0.87) x 10(-5), and (17.03 +/- 1.22) x 10(-5) mu(-1)g(-1)cm(2) at depths of 250, 265, and 860 meters-water-equivalent. These results are compared to other measurements and the simulated neutron yield in FLUKA and GEANT4. A global fit including the Daya Bay measurements yields a power law coefficient of 0.77 +/- 0.03 for the dependence of the neutron yield on muon energy.

引用

页数：13

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