Charge coupled devices for detection of coherent neutrino-nucleus scattering

被引：43

作者：

Moroni, Guillermo Fernandez ^{[1
,2
,3
]}

Estrada, Juan ^{[3
]}

Paolini, Eduardo E. ^{[2
,4
]}

Cancelo, Gustavo ^{[3
]}

Tiffenberg, Javier ^{[3
]}

Molina, Jorge ^{[5
]}

机构：

[1] Consejo Nacl Invest Cient & Tecn, C1033AAJ, RA-1033 Buenos Aires, DF, Argentina

[2] Univ Nacl Sur, RA-8000 Bahia Blanca, Buenos Aires, Argentina

[3] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[4] Comis Invest Cient Prov Buenos Aires, RA-1900 La Plata, Buenos Aires, Argentina

[5] Univ Nacl Asuncion, Asuncion 2160, Paraguay

来源：

PHYSICAL REVIEW D | 2015年 / 91卷 / 07期

关键词：

NOBEL LECTURE; SEARCH; NOISE;

D O I：

10.1103/PhysRevD.91.072001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this article the feasibility of using charge coupled devices (CCD) to detect low-energy neutrinos through their coherent scattering with nuclei is analyzed. The detection of neutrinos through this standard model process has been elusive because of the small energy deposited in such interaction. Typical particle detectors have thresholds of a few keV, and most of the energy deposition expected from coherent scattering is well below this level. The CCD detectors discussed in this paper can operate at a threshold of approximately 30 eV, making them ideal for observing this signal. On a CCD array of 500 g located next to a power nuclear reactor the number of coherent scattering events expected is about 3000 events/year. Our results shows that a detection with a confidence level of 99% can be reached within 16 days of continuous operation; with the current 52 g detector prototype this time lapse extends to five months.

引用

页数：9

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