期刊
PHYSICS LETTERS B
卷 672, 期 2, 页码 141-146出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2009.01.016
关键词
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资金
- DOE [DE-FG02-04ER41308, DE-FG02-95ER40896, DE-FG02-84ER40173, DE-AC02-06CH11357]
- NSF [PHY-0544278]
- Wisconsin Alumni Research Foundation
Assuming that the positron excess in PAMELA satellite data is a consequence of annihilations of cold dark matter, we consider from a model-independent perspective if the data show a preference for the spin of dark matter, and find that they do not. We then perform a general analysis of annihilations into two-body states to determine what weighted combination of channels best describes the data. (C) 2009 Elsevier B.V. All rights reserved.
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