Transverse momentum dependence of semi-inclusive pion production

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dc.creatorMkrtchyan, H.
dc.creatorBosted, P. E.
dc.creatorAdams, G. S.
dc.creatorAhmidouch, A.
dc.creatorAngelescu, T.
dc.creatorArrington, J.
dc.creatorAsaturyan, R.
dc.creatorBaker, O. K.
dc.creatorBenmouna, N.
dc.creatorBertoncini, C.
dc.creatorBlok, H. P.
dc.creatorBoeglin, W. U.
dc.creatorBreuer, H.
dc.creatorChristy, M. E.
dc.creatorConnell, S. H.
dc.creatorCui, Y.
dc.creatorDalton, M. M.
dc.creatorDanagoulian, S.
dc.creatorDay, D.
dc.creatorDodario, T.
dc.creatorDunne, J. A.
dc.creatorDutta, D.
dc.creatorKhayari, N. El
dc.creatorEnt, R.
dc.creatorFenker, H. C.
dc.creatorFrolov, V. V.
dc.creatorGan, L.
dc.creatorGaskell, D.
dc.creatorHafidi, K.
dc.creatorHinton, W.
dc.creatorHolt, R. J.
dc.creatorHorn, T.
dc.creatorHuber, G. M.
dc.creatorHungerford, E.
dc.creatorJiang, X.
dc.creatorJones, M.
dc.creatorJoo, K.
dc.creatorKalantarians, N.
dc.creatorKelly, J. J.
dc.creatorKeppel, C. E.
dc.creatorKubarovsky, V.
dc.creatorLi, Y.
dc.creatorLiang, Y.
dc.creatorMalace, S.
dc.creatorMarkowitz, P.
dc.creatorMcGrath, E.
dc.creatorMcKee, P.
dc.creatorMeekins, D. G.
dc.creatorMoziak, B.
dc.creatorNavasardyan, T.
dc.creatorNiculescu, G.
dc.creatorNiculescu, I.
dc.creatorOpper, A. K.
dc.creatorOstapenko, T.
dc.creatorReimer, P. E.
dc.creatorReinhold, J.
dc.creatorRoche, J.
dc.creatorRock, S. E.
dc.creatorSchulte, E.
dc.creatorSegbefia, E.
dc.creatorSmith, C.
dc.creatorSmith, G. R.
dc.creatorStoler, P.
dc.creatorTadevosyan, V.
dc.creatorTang, L.
dc.creatorUngaro, M.
dc.creatorUzzle, A.
dc.creatorVidakovic, S.
dc.creatorVillano, A.
dc.creatorVulcan, W. F.
dc.creatorWang, M.
dc.creatorWarren, G.
dc.creatorWesselmann, F.
dc.creatorWojtsekhowski, B.
dc.creatorWood, S. A.
dc.creatorXu, C.
dc.creatorYuan, L.
dc.creatorZheng, X.
dc.creatorZhu, H.
dc.date2007-09-19
dc.date2008-05-02
dc.date.accessioned2026-07-07T11:53:11Z
dc.date.available2026-07-07T11:53:11Z
dc.descriptionCross sections for semi-inclusive electroproduction of charged pions ($π^{\pm}$) from both proton and deuteron targets were measured for $0.2<x<0.5$, $2<Q^2<4$ GeV$^2$, $0.3<z<1$, and $P_t^2<0.2$ GeV$^2$. For $P_t<0.1$ GeV, we find the azimuthal dependence to be small, as expected theoretically. For both $π^+$ and $π^-$, the $P_t$ dependence from the deuteron is found to be slightly weaker than from the proton. In the context of a simple model, this implies that the initial transverse momenta width of $d$ quarks is larger than for $u$ quarks and, contrary to expectations, the transverse momentum width of the favored fragmentation function is larger than the unfavored one.
dc.description15 pages, 4 figures. Fit form changed to include Cahn effect Minor revisions. Added one new figure
dc.identifierhttps://arxiv.org/abs/0709.3020
dc.identifierhttp://arxiv.org/abs/0709.3020
dc.identifierPhys.Lett.B665:20-25,2008
dc.identifierdoi:10.1016/j.physletb.2008.05.047
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204446
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTransverse momentum dependence of semi-inclusive pion production
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