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First physics results from the HARP experiment at CERN

A. Cervera Villanueva

hep-exarXiv:hep-ex/0406053

Abstract

The first physics results of the HARP experiment are presented. We emphasize the high performance of the forward part of the apparatus. The differential raw pion yield and its efficiency correction up to polar angles of 250 mrad are shown. The analysed setting is 12.9 GeV/c incident protons in a 5% interacion legth aluminium target.

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