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Study of e(+)e(-)->Lambda(Lambda)over-bar, Lambda(Sigma)over-bar(0), Sigma(0)(Sigma)over-bar(0) using initial state radiation with BABAR

Abstract:

We study the e+e-→ΛΛ̄γ, ΛΣ̄ 0γ, Σ0Σ̄0γ processes using 230fb-1 of integrated luminosity collected by the BABAR detector at e+e- center-of-mass energy of 10.58 GeV. From the analysis of the baryon-antibaryon mass spectra the cross sections for e+e-→ΛΛ̄, ΛΣ̄0, Σ0Σ̄0 are measured in the dibaryon mass range from threshold up to 3GeV/c2. The ratio of electric and magnetic form factors, |GE/GM|, is measured for e+e-→ΛΛ̄, and limits on the relative phase between Λ form factors are obtained. We also ...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.76.092006

Authors


Boutigny, D More by this author
Karyotakis, Y More by this author
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Journal:
PHYSICAL REVIEW D
Volume:
76
Issue:
9
Publication date:
2007-11-05
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:8b7a9cd9-a546-4ae7-9658-fde88020a08d
Source identifiers:
211329
Local pid:
pubs:211329
Language:
English

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