Next to leading order semi-inclusive spin asymmetries

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Abstract We have computed semi-inclusive spin asymmetries for proton and deuteron targets including next to leading order (NLO) QCD corrections and contributions coming from the target fragmentation region. These corrections have been estimated using NLO fragmentation functions, parton distributions...

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Autores principales: Florian, Daniel Enrique de, Epele, Luis Nicolás, Fanchiotti, Huner, García Canal, Carlos Alberto, Joffily, S., Sassot, Rodolfo
Formato: Articulo
Lenguaje:Inglés
Publicado: 1996
Materias:
Ciencias Exactas
Física
Particle physics
Quantum chromodynamics
Gluon
Parton
Nuclear physics
Fragmentation (mass spectrometry)
Deuterium
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/122924
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-122924
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
Particle physics
Quantum chromodynamics
Gluon
Parton
Nuclear physics
Fragmentation (mass spectrometry)
Deuterium
spellingShingle Ciencias Exactas
Física
Particle physics
Quantum chromodynamics
Gluon
Parton
Nuclear physics
Fragmentation (mass spectrometry)
Deuterium
Florian, Daniel Enrique de
Epele, Luis Nicolás
Fanchiotti, Huner
García Canal, Carlos Alberto
Joffily, S.
Sassot, Rodolfo
Next to leading order semi-inclusive spin asymmetries
topic_facet Ciencias Exactas
Física
Particle physics
Quantum chromodynamics
Gluon
Parton
Nuclear physics
Fragmentation (mass spectrometry)
Deuterium
description Abstract We have computed semi-inclusive spin asymmetries for proton and deuteron targets including next to leading order (NLO) QCD corrections and contributions coming from the target fragmentation region. These corrections have been estimated using NLO fragmentation functions, parton distributions and also a model for spin dependent fracture functions which is proposed here. We have found that NLO corrections are small but non-negligible in a scheme where gluons are polarised and that our estimate for target fragmentation effects, which is in agreement with the available semi-inclusive data, does not modify significantly charged asymmetries but is non negligible for the so called difference asymmetries.
format Articulo
Articulo
author Florian, Daniel Enrique de
Epele, Luis Nicolás
Fanchiotti, Huner
García Canal, Carlos Alberto
Joffily, S.
Sassot, Rodolfo
author_facet Florian, Daniel Enrique de
Epele, Luis Nicolás
Fanchiotti, Huner
García Canal, Carlos Alberto
Joffily, S.
Sassot, Rodolfo
author_sort Florian, Daniel Enrique de
title Next to leading order semi-inclusive spin asymmetries
title_short Next to leading order semi-inclusive spin asymmetries
title_full Next to leading order semi-inclusive spin asymmetries
title_fullStr Next to leading order semi-inclusive spin asymmetries
title_full_unstemmed Next to leading order semi-inclusive spin asymmetries
title_sort next to leading order semi-inclusive spin asymmetries
publishDate 1996
url http://sedici.unlp.edu.ar/handle/10915/122924
work_keys_str_mv AT floriandanielenriquede nexttoleadingordersemiinclusivespinasymmetries
AT epeleluisnicolas nexttoleadingordersemiinclusivespinasymmetries
AT fanchiottihuner nexttoleadingordersemiinclusivespinasymmetries
AT garciacanalcarlosalberto nexttoleadingordersemiinclusivespinasymmetries
AT joffilys nexttoleadingordersemiinclusivespinasymmetries
AT sassotrodolfo nexttoleadingordersemiinclusivespinasymmetries
bdutipo_str Repositorios
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