The 51Cr and 90Sr sources in BOREXINO as tools for neutrino magnetic moment searches

被引：9

作者：

Ianni, A ^{[1
]}

Montanino, D

机构：

[1] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Assergi, AQ, Italy

[2] Univ Aquila, Dipartimento Fis, I-67010 Coppito, Italy

[3] SISSA, I-34014 Trieste, Italy

来源：

ASTROPARTICLE PHYSICS | 1999年 / 10卷 / 04期

关键词：

neutrino; oscillations; source; magnetic moment;

D O I：

10.1016/S0927-6505(98)00066-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the event rates induced by a Cr-51 nu e source and by a Sr-90-Y-90 <(nu)over bar>(e) source in BOREXINO through elastic scattering on electrons, assuming a nonzero neutrino magnetic moment mu(nu). We consider a source activity of about 2 MCi and estimate the solar nu ("source-off") background for various oscillation scenarios. It is shown that values of mu(nu) as low as similar to 0.5 x 10(-10) mu(B) (similar to 0.2 x 10(-10) mu(B)) can be proved with the Cr-51 source (Sr-90 source) in about 100 days of data taking. (C) 1999 Elsevier Science B.V.

引用

页码：331 / 338

页数：8

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