SOLAR NEUTRINOS - FROM PUZZLE TO PARADOX

被引:58
作者
RAGHAVAN, RS [1 ]
机构
[1] AT&T BELL LABS, MURRAY HILL, NJ 07974 USA
关键词
D O I
10.1126/science.267.5194.45
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The solar neutrino puzzle is deepening into a paradox that refutes the basic logic of the reaction chain that powers the sun by the fusion of protons into heavy elements. Experiments now reveal a serious anomaly in the relative neutrino fluxes from the different steps in the chain. Neutrinos from boron-8 at the end of the chain are seen but hardly any are seen from beryllium-7, without which the observed boron-8 cannot be made. The only apparent way to avoid a paradoxical ''missing link'' in the sun's energy chain is a nonzero neutrino mass, an idea that can be tested in future experiments.
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收藏
页码:45 / 51
页数:7
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