Search for hep solar neutrinos and the diffuse supernova neutrino background using all three phases of the Sudbury Neutrino Observatory

被引:10
|
作者
Aharmim, B. [8 ]
Ahmed, S. N. [17 ]
Anthony, A. E. [19 ,23 ]
Barros, N. [11 ,16 ]
Beier, E. W. [16 ]
Bellerive, A. [5 ]
Beltran, B. [1 ]
Bergevin, M. [7 ,9 ,10 ,24 ]
Biller, S. D. [15 ]
Blucher, E. [6 ]
Bonventre, R. [2 ,9 ,10 ]
Boudjemline, K. [5 ,17 ]
Boulay, M. G. [17 ,25 ]
Cai, B. [17 ]
Callaghan, E. J. [2 ,9 ,10 ]
Caravaca, J. [2 ,9 ,10 ]
Chan, Y. D. [9 ,10 ]
Chauhan, D. [8 ,18 ]
Chen, M. [17 ]
Cleveland, B. T. [15 ]
Cox, G. A. [21 ,22 ]
Dai, X. [5 ,15 ,17 ]
Deng, H. [16 ,26 ]
Descamps, F. B. [2 ,9 ,10 ]
Detwiler, J. A. [9 ,10 ,21 ,22 ]
Doe, P. J. [21 ,22 ]
Doucas, G. [15 ]
Drouin, P-L [5 ]
Dunford, M. [16 ,27 ]
Elliott, S. R. [12 ,21 ,22 ]
Evans, H. C. [17 ]
Ewan, G. T. [17 ]
Farine, J. [5 ,8 ]
Fergani, H. [15 ]
Fleurot, F. [8 ]
Ford, R. J. [17 ,18 ]
Formaggio, J. A. [14 ,21 ,22 ]
Gagnon, N. [9 ,10 ,12 ,15 ,21 ,22 ]
Gilje, K. [1 ]
Goon, J. Tm [13 ]
Graham, K. [5 ,17 ]
Guillian, E. [17 ]
Habib, S. [1 ]
Hahn, R. L. [4 ]
Hallin, A. L. [1 ]
Hallman, E. D. [8 ]
Harvey, P. J. [17 ]
Hazama, R. [21 ,22 ,28 ]
Heintzelman, W. J. [16 ]
Heise, J. [3 ,12 ,17 ,29 ]
机构
[1] Univ Alberta, Dept Phys, Edmonton, AB T6G 2R3, Canada
[2] Univ Calif Berkeley, Phys Dept, Berkeley, CA 94720 USA
[3] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada
[4] Brookhaven Natl Lab, Chem Dept, Upton, NY 11973 USA
[5] Carleton Univ, Ottawa Carleton Inst Phys, Dept Phys, Ottawa, ON K1S 5B6, Canada
[6] Univ Chicago, Dept Phys, Chicago, IL 60637 USA
[7] Univ Guelph, Phys Dept, Guelph, ON N1G 2W1, Canada
[8] Laurentian Univ, Dept Phys & Astron, Sudbury, ON P3E 2C6, Canada
[9] Lawrence Berkeley Natl Lab, Inst Nucl & Particle Astrophys, Berkeley, CA 94720 USA
[10] Lawrence Berkeley Natl Lab, Nucl Sci Div, Berkeley, CA 94720 USA
[11] Lab Instrumentacao & Fis Expt Particulas, Ave Elias Garcia 14,1, P-1000149 Lisbon, Portugal
[12] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[13] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[14] MIT, Lab Nucl Sci, Cambridge, MA 02139 USA
[15] Univ Oxford, Dept Phys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England
[16] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
[17] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada
[18] SNOLAB, Lively, ON P3Y 1N2, Canada
[19] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA
[20] TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada
[21] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA
[22] Univ Washington, Dept Phys, Seattle, WA 98195 USA
[23] US Agcy Int Dev, Global Dev Lab, Washington, DC 20523 USA
[24] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[25] Carleton Univ, Dept Phys, Ottawa, ON, Canada
[26] Rock Creek Grp, Washington, DC USA
[27] Heidelberg Univ, Neuenheimer Feld 227, Heidelberg, Germany
[28] Res Ctr Nucl Phys, Osaka, Japan
[29] Sanford Underground Res Lab, Lead, SD USA
[30] Univ Winnipeg, Dept Phys, Winnipeg, MB, Canada
[31] Black Hills State Univ, Spearfish, SD 57799 USA
[32] Univ Lancaster, Phys Dept, Lancaster, England
[33] Pelmorex Corp, Oakville, ON, Canada
[34] GFZ German Res Ctr Geosci, Potsdam, Germany
[35] Cornell Univ, Dept Phys, Ithaca, NY 14853 USA
[36] Indiana Univ, Dept Phys & Astron, South Bend, IN USA
[37] Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
[38] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ USA
[39] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA
[40] Royal Holloway Univ London, Dept Phys, Egham, Surrey, England
[41] Pacific Northwest Natl Lab, Richland, WA 99352 USA
[42] Nevada Natl Secur Site, Las Vegas, NV USA
[43] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
[44] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England
[45] Fermilab Natl Accelerator Lab, Batavia, IL USA
[46] Georgia Southern Univ, Dept Phys, Statesboro, GA USA
[47] Continuum Analyt, Austin, TX USA
[48] Natl Bank Canada, Montreal, PQ, Canada
[49] Kwantlen Polytech Univ, Surrey, BC, Canada
[50] Rutherford Appleton Lab, Didcot, Oxon, England
来源
PHYSICAL REVIEW D | 2020年 / 102卷 / 06期
基金
美国国家科学基金会; 加拿大创新基金会; 加拿大自然科学与工程研究理事会; 英国科学技术设施理事会;
关键词
CALIBRATION; MODELS; BURST; FLUX;
D O I
10.1103/PhysRevD.102.062006
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A search has been performed for neutrinos from two sources, the hep reaction in the solar pp fusion chain and the upsilon e component of the diffuse supernova neutrino background (DSNB), using the full dataset of the Sudbury Neutrino Observatory with a total exposure of 2.47 kton-years after fiducialization. The hep search is performed using both a single-bin counting analysis and a likelihood fit. We find a best-fit flux that is compatible with solar model predictions while remaining consistent with zero flux, and set a onesided upper limit of Phi(hep) < 30 x 10(3) cm(-2) s(-1) [90% credible interval (CI)]. No events are observed in the DSNB search region, and we set an improved upper bound on the nu(e) component of the DSNB flux of Phi(DSNB)(nu e) < 19 cm(-2) s(-1) (90% CI) in the energy range 22.9 < E-nu < 36.9 MeV.
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收藏
页数:12
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