MIXING AND THE SOLAR NEUTRINO PROBLEM

被引：22

作者：

SIENKIEWICZ, R

BAHCALL, JN

PACZYNSKI, B

机构：

[1] INST ADV STUDY,SCH NAT SCI,PRINCETON,NJ 08540

[2] PRINCETON UNIV OBSERV,PRINCETON,NJ 08544

来源：

ASTROPHYSICAL JOURNAL | 1990年 / 349卷 / 02期

关键词：

Neutrinos; Nucleosynthesis; Stars: evolution; Sun: interior;

D O I：

10.1086/168351

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Evolutionary sequences for the Sun were calculated assuming continuous or episodic mixing of matter in the solar interior. The ad hoc mixing affects solar neutrino emission because it increases the interior 1H and 3He content and reduces the temperature at the solar center. For a typical postulated massive mixing "event," the flux of the basic pp neutrinos is strongly reduced for ∼ 107 yr following the mixing, and the 8B neutrino is greatly decreased for more than 108 yr. The flux of hep neutrinos is significantly increased for ∼ 105 yr. The neutrino fluxes calculated from the standard (unmixed) solar model obtained here with an independent numerical code agree with the neutrino fluxes of Bahcall and Ulrich to an accuracy of a few percent or better.

引用

页码：641 / 646

页数：6

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