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Initial-state radiation measurement of the e+e-→π+π-π+π- cross section

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Gershon, T. J., Harrison, P. F., Latham, Thomas and Puccio, E. M. T. (2012) Initial-state radiation measurement of the e+e-→π+π-π+π- cross section. Physical Review D (Particles, Fields, Gravitation and Cosmology), Volume 85 (Number 11). Article number 112009. doi:10.1103/PhysRevD.85.112009 ISSN 1550-7998.

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Abstract

We study the process e +e -→π +π -π +π -γ, with a photon emitted from the initial-state electron or positron, using 454.3fb -1 of data collected with the BABAR detector at SLAC, corresponding to approximately 260000 signal events. We use these data to extract the nonradiative σ(e +e -→π +π -π +π -) cross section in the energy range from 0.6 to 4.5 GeV. The total uncertainty of the cross section measurement in the peak region is less than 3%, higher in precision than the corresponding results obtained from energy scan data. © 2012 American Physical Society.

Item Type: Journal Article
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title: Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher: American Physical Society
ISSN: 1550-7998
Official Date: 21 June 2012
Dates:
DateEvent
21 June 2012Published
Volume: Volume 85
Number: Number 11
Page Range: Article number 112009
DOI: 10.1103/PhysRevD.85.112009
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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