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 attachments
I Attachment Action Size Date Who Comment
EpEmStatus0707.pdfpdf EpEmStatus0707.pdf manage 566.2 K 20 Sep 2007 - 19:12 BertramKopf PID TAG VRVS Meeting (14.07.2007)
EplusEminusStudies.pdfpdf EplusEminusStudies.pdf manage 609.5 K 20 Sep 2007 - 19:06 BertramKopf PID TAG Meeting @ Genoa (28.03.2007)
PID_TAG_PidEMC_061211.pdfpdf PID_TAG_PidEMC_061211.pdf manage 245.3 K 20 Sep 2007 - 19:02 BertramKopf Pid TAG Meeting @ GSI (11.12.2006)
PandaMeetingDic07_FINAL.pdfpdf PandaMeetingDic07_FINAL.pdf manage 568.6 K 15 Jan 2008 - 12:59 BertramKopf GSI meeting Dec2007
pb_softact_070919.pdfpdf pb_softact_070919.pdf manage 878.1 K 20 Sep 2007 - 19:16 BertramKopf PANDA Collaboration Meeting @ GSI (19.09.2007)
Topic revision: r4 - 17 Jan 2008, FrankMaas
 
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