Report/Journal Article

PUBDB-2017-01572

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Transversity distribution and polarized fragmentation function from semiinclusive pion electroproduction

Korotkov, V. ; Nowak, W. D.DESY* ; Oganesian, K. A.DESY*

2001
Springer Berlin

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Please use a persistent id in citations: doi:10.1007/s100520100564

Report No.: DESY-99-176; hep-ph/0002268

Abstract: A method is discussed to determine the hitherto unknown u-quark transversity distribution from a planned HERMES measurement of a single-spin asymmetry in semi-inclusive pion electroproduction off a transversely polarized target. Assuming u-quark dominance, the measurement yields the shapes of the transversity distribution and of the ratio of a polarized and the unpolarized u-quark fragmentation functions. The unknown relative normalization can be obtained by identifying the transversity distribution with the well-known helicity distribution at large x. The systematic uncertainty of the method is dominated by the assumption of u-quark dominance.

Keyword(s): electron p: inclusive reaction ; electron deuteron: inclusive reaction ; polarized target ; polarization: transverse ; pi+: electroproduction ; spin: asymmetry ; up: momentum spectrum ; up: polarization ; quark: fragmentation function ; numerical calculations: HERMES

Note: HERMES

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Contributing Institute(s):

1. DESY Retrocat (DESY(-2012))

Research Program(s):

1. 899 - ohne Topic (POF3-899) (POF3-899)

Experiment(s):

1. HERA: HERMES

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Database coverage:
; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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