Higher twist effects in proton-proton collisions

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dc.contributor.authorAhmadov, A. I.
dc.contributor.authorBoztosun, I.
dc.contributor.authorMuradov, R. Kh.
dc.contributor.authorSoylu, A.
dc.contributor.authorDadashov, E. A.
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2006
dc.departmentNiğde ÖHÜ
dc.description.abstractIn this article, we investigate the contribution of the high twist Feynman diagrams to the large-P-T pion production cross section in proton-proton collisions and we present the general formulae for the high and leading twist differential cross sections. The pion wave function where two non-trivial Gegenbauer coefficients a(2) and a(4) have been extracted from the CLEO data, two other pion model wave functions, P-2, P-3, the asymptotic and the Chernyak-Zhitnitsky wave functions are used in the calculations. The results of all the calculations reveal that the high twist cross sections, the ratios R, r, the dependence transverse momentum P-T and the rapidity y of pion in the Phi(CLEO)(x, Q(2)) wave function case is very close to the Phi(asy) (x) asymptotic wave function case. It is shown that the high twist contribution to the cross section depends on the choice of the meson wave functions.
dc.identifier.doi10.1142/S0218301306004843
dc.identifier.endpage1231
dc.identifier.issn0218-3013
dc.identifier.issue6
dc.identifier.scopus2-s2.0-33748097178
dc.identifier.scopusqualityQ3
dc.identifier.startpage1209
dc.identifier.urihttps://dx.doi.org/10.1142/S0218301306004843
dc.identifier.urihttps://hdl.handle.net/11480/5490
dc.identifier.volume15
dc.identifier.wosWOS:000240699900004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherWORLD SCIENTIFIC PUBL CO PTE LTD
dc.relation.ispartofINTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectleading twist
dc.subjecthigh twist
dc.subjectpion wave function
dc.titleHigher twist effects in proton-proton collisions
dc.typeArticle

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