宇宙线反质子谱的精确测量
天体物理学
2011-04-20 v1
摘要
基于BESS在近期太阳活动极小期收集的458个反质子，宇宙线反质子的能谱在0.18至3.56 GeV范围内被测量。我们首次探测到来自宇宙线与星际介质相互作用的反质子在2 GeV处的特征峰。峰谱与理论计算结果吻合，表明传播模型基本正确且不同宇宙线成分经历普适的传播。朝向太阳活动极大期的未来BESS飞行将有助于我们详细研究太阳调制和传播过程，并搜寻原初反质子成分。
引用
@article{arxiv.astro-ph/9906426,
title = {Precision Measurement of Cosmic-Ray Antiproton Spectrum},
author = {S. Orito and T. Maeno and H. Matsunaga and K. Abe and K. Anraku and Y. Asaoka and M. Fujikawa and M. Imori and M. Ishino and Y. Makida and N. Matsui and H. Matsumoto and J. Mitchell and T. Mitsui and A. Moiseev and M. Motoki and J. Nishimura and M. Nozaki and J. Ormes and T. Saeki and T. Sanuki and M. Sasaki and E. S. Seo and Y. Shikaze and T. Sonoda and R. Streitmatter and J. Suzuki and K. Tanaka and I. Ueda and N. Yajima and T. Yamagami and A. Yamamoto and T. Yoshida and K. Yoshimura},
journal= {arXiv preprint arXiv:astro-ph/9906426},
year = {2011}
}
备注
REVTeX, 4 pages including 4 eps figures