Study of e(+)e(-) -> p(p)over-bar via initial-state radiation at BABAR
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Study of e(+)e(-) -> p(p)over-bar via initial-state radiation at BABAR

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Study of e(+)e(-) -> p(p)over-bar via initial-state radiation at BABAR

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BABAR Collaboration; Martínez Vidal, Fernando Perfil; Oyanguren Campos, Arantza Perfil; Villanueva Pérez, Pablo
Aquest document és un/a article, creat/da en: 2013

Este documento está disponible también en : http://dx.doi.org/10.1103/PhysRevD.87.092005
The process e(+)e(-) -> p (p) over bar gamma is studied using 469 fb(-1) of integrated luminosity collected with the BABAR detector at the SLAC National Accelerator Laboratory, at an e(+)e(-) center-of-mass energy of 10.6 GeV. From the analysis of the p (p) over bar invariant mass spectrum, the energy dependence of the cross section for e(+)e(-) -> p (p) over bar is measured from threshold to 4.5 GeV. The energy dependence of the ratio of electric and magnetic form factors, vertical bar G(E)/G(M)vertical bar, and the asymmetry in the proton angular distribution are measured for p (p) over bar masses below 3 GeV. We also measure the branching fractions for the decays J/psi -> p (p) over bar and psi(2S) -> p (p) over bar are also determined.

    BABAR Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Villanueva Pérez, Pablo 2013 Study of e(+)e(-) -> p(p)over-bar via initial-state radiation at BABAR Physical Review D 87 9 092005-1 092005-18
http://dx.doi.org/10.1103/PhysRevD.87.092005
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