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arXiv 1007.4781hep-phhep-ex
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Comments on the Blumlein-Bottcher determination of higher twist corrections to the nucleon spin structure function g_1

Elliot Leader, Aleksander V. Sidorov, Dimiter B. Stamenov

英文摘要:

In a recent analysis of the world data on polarized DIS, Blumlein and Bottcher conclude that there is no evidence for higher twist contributions, in contrast to the claim of the LSS group, who find evidence for significant higher twist effects. We explain the origin of the apparent contradiction between these results.

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