What have we learnt about the Sun from the measurement of the 8B neutrino flux?

被引：12
|
作者：
Fiorentini, G [1 ]
Ricci, B
机构：
[1] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy
[2] Ist Nazl Fis Nucl, Sez Ferrara, I-44100 Ferrara, Italy
来源：
PHYSICS LETTERS B | 2002年 / 526卷 / 3-4期
关键词：
D O I：
10.1016/S0370-2693(02)01159-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
By combining the results of SNO and Super-Kamiokande one can derive-in the absence of sterile neutrinos-the total neutrino flux produced from (8)B decay in the Sun. We use this information to check the accuracy of several input parameters of solar model calculations. Opacity and p-p fusion cross section are constrained by the (8)B flux measurement to the level of few per cent. The central solar temperature is determined to the one-percent level. We also find an upper limit for the flux on Earth of sterile neutrinos. We discuss the role of nuclear physics uncertainties on these determinations. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码：186 / 190
页数：5
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