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.

引用

页数：12

共 33 条

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