Electromagetic Formfactor: pp->e+e-

Convener

Frank Maas (GSI, Mainz)

Analyst

Maria Carmen Mora Espi (Mainz)

Decay Modes

pp->e+e-,GE=1 GM, pBeam=1.7 GeV/c, 106 events;

pp->e+e-,GE=0 GM, pBeam=1.7 GeV/c, 106 events;

pp->e+e-,GE=3 GM, pBeam=1.7 GeV/c, 106 events;

pp->e+e-,GE=1 GM, pBeam=3.3 GeV/c, 106 events;

pp->e+e-,GE=0 GM, pBeam=3.3 GeV/c, 106 events;

pp->e+e-,GE=3 GM, pBeam=3.3 GeV/c, 106 events;

pp->e+e-,GE=1 GM, pBeam=7.9 GeV/c, 106 events;

pp->e+e-,GE=0 GM, pBeam=7.9 GeV/c, 106 events;

pp->e+e-,GE=3 GM, pBeam=7.9 GeV/c, 106 events;

pp->e+e-,GE=1 GM, pBeam=10.9 GeV/c, 106 events;

pp->e+e-,GE=0 GM, pBeam=10.9 GeV/c, 106 events;

pp->e+e-,GE=3 GM, pBeam=10.9 GeV/c, 106 events;

A total of 1.2 107 signal events is required

Background Channels

pp->π+π-, pBeam=1.7 GeV/c, 106 events; no decay of π+π-

pp->π+π-, pBeam=3.3 GeV/c, 109 events; no decay of π+π-

pp->π+π-, pBeam=7.9 GeV/c, 109 events; no decay of π+π-

pp->π+π-, pBeam=10.9 GeV/c, 106 events; no decay of π+π-

pp->π0π0, pBeam=1.7 GeV/c, 106 events; decay mode for both pions: π0 -> γγ

pp->π0π0, pBeam=3.3 GeV/c, 106 events; decay mode for both pions: π0 -> γγ

pp->π0π0, pBeam=7.9 GeV/c, 106 events; decay mode for both pions: π0 -> γγ

pp->π0π0, pBeam=10.9 GeV/c, 106 events; decay mode for both pions: π0 -> γγ

pp->π0π0, pBeam=1.7 GeV/c, 106 events; decay mode for both pions: π0 -> e+e- γ

pp->π0π0, pBeam=3.3 GeV/c, 106 events; decay mode for both pions: π0 -> e+e- γ

pp->π0π0, pBeam=7.9 GeV/c, 106 events; decay mode for both pions: π0 -> e+e- γ

pp->π0π0, pBeam=10.9 GeV/c, 106 events; decay mode for both pions: π0 -> e+e- γ

pp->μ+μ-, GE=1 GM, pBeam=1.7 GeV/c, 106 events;

pp->μ+μ-, GE=1 GM, pBeam=3.3 GeV/c, 106 events;

pp->μ+μ-, GE=1 GM, pBeam=7.9 GeV/c, 106 events;

pp->μ+μ-, GE=1 GM, pBeam=10.9 GeV/c, 106 events;

A total of 2.014 109 background events is required

Documents

Topic revision: r4 - 2008-01-17, FrankMaas
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