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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: |
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| 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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