SEARCHES FOR HIGH-FREQUENCY VARIATIONS IN THE 8B SOLAR NEUTRINO FLUX AT THE SUDBURY NEUTRINO OBSERVATORY

被引:21
|
作者
Aharmim, B. [1 ]
Ahmed, S. N. [2 ]
Anthony, A. E. [3 ]
Barros, N. [4 ]
Beier, E. W. [5 ]
Bellerive, A. [6 ]
Beltran, B. [7 ]
Bergevin, M. [8 ,9 ,10 ]
Biller, S. D. [11 ]
Boudjemline, K. [6 ]
Boulay, M. G. [2 ]
Burritt, T. H. [12 ,13 ]
Cai, B. [2 ]
Chan, Y. D. [8 ,9 ]
Chauhan, D. [1 ]
Chen, M. [2 ]
Cleveland, B. T. [11 ]
Cox, G. A. [12 ,13 ]
Dai, X. [2 ,6 ,11 ]
Deng, H. [5 ]
Detwiler, J. [8 ,9 ]
DiMarco, M. [2 ]
Doe, P. J. [12 ,13 ]
Doucas, G. [11 ]
Drouin, P. -L. [6 ]
Duba, C. A. [12 ,13 ]
Duncan, F. A. [2 ,14 ]
Dunford, M. [5 ]
Earle, E. D. [2 ]
Elliott, S. R. [12 ,13 ,15 ]
Evans, H. C. [2 ]
Ewan, G. T. [2 ]
Farine, J. [1 ,6 ]
Fergani, H. [11 ]
Fleurot, F. [1 ]
Ford, R. J. [2 ,14 ]
Formaggio, J. A. [12 ,13 ,16 ]
Gagnon, N. [8 ,9 ,11 ,12 ,13 ,15 ]
Goon, J. T. M. [17 ]
Graham, K. [2 ,6 ]
Guillian, E. [2 ]
Habib, S. [7 ]
Hahn, R. L. [18 ]
Hallin, A. L. [7 ]
Hallman, E. D. [1 ]
Harvey, P. J. [2 ]
Hazama, R. [12 ,13 ]
Heintzelman, W. J. [5 ]
Heise, J. [2 ,15 ,19 ]
Helmer, R. L.
机构
[1] Laurentian Univ, Dept Phys & Astron, Sudbury, ON P3E 2C6, Canada
[2] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada
[3] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA
[4] Lab Instrumentacao & Fis Expt Particulas, P-1000149 Lisbon, Portugal
[5] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
[6] Carleton Univ, Dept Phys, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada
[7] Univ Alberta, Dept Phys, Edmonton, AB T6G 2R3, Canada
[8] Univ Calif Berkeley, Lawrence Berkeley Lab, Inst Nucl & Particle Astrophys, Berkeley, CA 94720 USA
[9] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA
[10] Univ Guelph, Dept Phys, Guelph, ON N1G 2W1, Canada
[11] Univ Oxford, Dept Phys, Oxford OX1 3RH, England
[12] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA
[13] Univ Washington, Dept Phys, Seattle, WA 98195 USA
[14] SNOLAB, Sudbury, ON P3Y 1M3, Canada
[15] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[16] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA
[17] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[18] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA
[19] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T IZ1, Canada
[20] TRIUMF, Vancouver, BC V6T 2A3, Canada
[21] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[22] Univ London Imperial Coll Sci Technol & Med, London, England
来源
ASTROPHYSICAL JOURNAL | 2010年 / 710卷 / 01期
基金
加拿大创新基金会; 加拿大自然科学与工程研究理事会; 美国国家科学基金会;
关键词
neutrinos; methods: data analysis; Sun: helioseismology; G-MODES; OSCILLATIONS; GOLF; MATTER; SOHO;
D O I
10.1088/0004-637X/710/1/540
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We have performed three searches for high-frequency signals in the solar neutrino flux measured by the Sudbury Neutrino Observatory, motivated by the possibility that solar g-mode oscillations could affect the production or propagation of solar B-8 neutrinos. The first search looked for any significant peak in the frequency range 1-144 day(-1), with a sensitivity to sinusoidal signals with amplitudes of 12% or greater. The second search focused on regions in which g-mode signals have been claimed by experiments aboard the Solar and Heliospheric Observatory satellite, and was sensitive to signals with amplitudes of 10% or greater. The third search looked for extra power across the entire frequency band. No statistically significant signal was detected in any of the three searches.
引用
收藏
页码:540 / 548
页数:9
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