. (2007) 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. PHYSICAL REVIEW D, 76 (9). -. ISSN 1550-7998

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Abstract

We study the e(+)e(-)->Lambda(Lambda) over bar gamma, Lambda(Sigma) over bar (0)gamma, Sigma(0)(Sigma) over bar (0)gamma processes using 230 fb(-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(-)->Lambda(Lambda) over bar, Lambda(Sigma) over bar (0), Sigma(0)(Sigma) over bar>(0) are measured in the dibaryon mass range from threshold up to 3 GeV/c(2). The ratio of electric and magnetic form factors, |G(E)/G(M)|, is measured for e(+)e(-)->Lambda(Lambda) over bar, and limits on the relative phase between Lambda form factors are obtained. We also measure the J/psi ->Lambda(Lambda) over bar, Sigma(0)(Sigma) over bar (0), and psi(2S)->Lambda(Lambda) over bar branching fractions.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Journal or Publication Title:	PHYSICAL REVIEW D
Publisher:	AMER PHYSICAL SOC
ISSN:	1550-7998
Date:	November 2007
Volume:	76
Number:	9
Number of Pages:	23
Page Range:	-
Identification Number:	10.1103/PhysRevD.76.092006
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/30927

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