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THE INTENSE GAMMA-RAY FLARE ON 1997 NOVEMBER 6

机译:1997年11月6日激烈的伽马射线耀斑

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An X9.4/2B flare at 11:52 UT on 1997 November 6 is the most intense gamma-ray event Yohhoh has observed so far. Gamma-ray lines resulting from nuclear de-excitation, neutron-capture and positron annihilation and >10 MeV gamma-rays were observed. In addition, the Oriented Scintillation Spectrometer Experiment on Compton Gamma Ray Observatory (OSSE/CGRO) detected flare-associated neutrons after the strong gamma-ray emission was over, suggesting the possibility of extended high-energy proton production. We discuss the accelerated-proton spectrum, photospheric ~3He abundance, plasma temperature at the positron annihilation site and production processes of >10 MeV gamma-rays from Yohhoh and OSSE observations.
机译:11:52 UT于1997年11月6日的X9.4 / 2B Flare是最激烈的Gamma射线事件yohhoh到目前为止观察到。核脱离激励,中子捕获和正电子湮灭和> 10MeVγ射线产生的伽马射线线。此外,在强伽理射线排放后,康普顿伽马射线观测台(OSSE / CGRO)上检测到喇叭口相关中子的定向闪烁光谱仪试验,表明延长了高能量质子生产的可能性。我们讨论加速 - 质子谱,光子〜3HE丰度,正电子湮没部位的等离子体温度和来自YohhOH和OSSE观察的10mevγ射线的生产​​过程。

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