Determination of the Pion Charge Form Factor at Q2=1.60 and 2.45  (GeV/c)2

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dc.contributor.authorHorn, D.T.
dc.contributor.authorAniol, K.
dc.contributor.authorArrington, J.
dc.contributor.authorBarret, B.
dc.contributor.authorBeise, E.J.
dc.contributor.authorBlok, H.P.
dc.contributor.authorBoeglin, W.
dc.contributor.authorBrash, E.J.
dc.contributor.authorBreuer, H.
dc.contributor.authorChang, C.C.
dc.contributor.authorChristy, M.E.
dc.contributor.authorEnt, R.
dc.contributor.authorGaskell, D.
dc.contributor.authorGibson, E.
dc.contributor.authorHolt, R.J.
dc.contributor.authorHuber, G.M.
dc.contributor.authorJin, S.
dc.contributor.authorJones, M.K.
dc.contributor.authorKeppel, C.E.
dc.contributor.authorKim, W.
dc.contributor.authorKing, P.M.
dc.contributor.authorKovaltchouk, V.
dc.contributor.authorLiu, J.
dc.contributor.authorLolos, G.J.
dc.contributor.authorMack, D.J.
dc.contributor.authorMargaziotis, D.J.
dc.contributor.authorMarkowitz, P.
dc.contributor.authorMatsumura, A.
dc.contributor.authorMeekins, D.
dc.contributor.authorMiyoshi, T.
dc.contributor.authorMkrtchyan, H.
dc.contributor.authorNiculescu, I.
dc.contributor.authorOkayasu, Y.
dc.contributor.authorPentchev, L.
dc.contributor.authorPerdrisat, C.
dc.contributor.authorPotterveld, D.
dc.contributor.authorPunjabi, V.
dc.contributor.authorReimer, P.
dc.contributor.authorReinhold, J.
dc.contributor.authorRoche, J.
dc.contributor.authorRoos, P.G.
dc.contributor.authorSarty, A.
dc.contributor.authorSmith, G.R.
dc.contributor.authorTadevosyan, V.
dc.contributor.authorTang, L.G.
dc.contributor.authorTvaskis, V.
dc.contributor.authorVidakovic, S.
dc.contributor.authorVolmer, J.
dc.contributor.authorVulcan, W.
dc.contributor.authorWarren, G.
dc.contributor.authorWood, S.A.
dc.contributor.authorXu, C.
dc.contributor.authorX. Zheng, X.
dc.contributor.authorJefferson Lab F_{π} Collaboration
dc.date.accessioned2011-04-06T14:24:11Z
dc.date.available2011-04-06T14:24:11Z
dc.date.issued2006-11-10
dc.description.abstractThe 1H(e,e′π+)n cross section was measured at four-momentum transfers of Q2=1.60 and 2.45  GeV2 at an invariant mass of the photon nucleon system of W=2.22  GeV. The charged pion form factor (Fπ) was extracted from the data by comparing the separated longitudinal pion electroproduction cross section to a Regge model prediction in which Fπ is a free parameter. The results indicate that the pion form factor deviates from the charge-radius constrained monopole form at these values of Q2 by one sigma, but is still far from its perturbative quantum chromodynamics prediction.en_US
dc.description.sponsorshipU.S. Department of Energy, National Science Foundation, Natural Sciences and Engineering Research Council (Canada), North Atlantic Treaty Organization, Foundation for Fundamental Research on Matter (FOM; Netherlands)en_US
dc.identifier.citationHorn, T. et al. "Determination of the Pion Charge Form Factor at Q2=1.60 and 2.45  (GeV/c)2." Physical Review Letters 95, no. 19 (2006): 192001 (4).en_US
dc.identifier.issn0031-9007
dc.identifier.urihttp://hdl.handle.net/1903/11358
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isAvailableAtCollege of Computer, Mathematical & Physical Sciencesen_us
dc.relation.isAvailableAtPhysicsen_us
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_us
dc.relation.isAvailableAtUniversity of Maryland (College Park, MD)en_us
dc.rights.license© 2006 The American Physical Society.
dc.subjectpion electroproductionen_US
dc.subjectpion form factoren_US
dc.titleDetermination of the Pion Charge Form Factor at Q2=1.60 and 2.45  (GeV/c)2en_US
dc.typeArticleen_US

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