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Precise Measurement of thee+e−→π+π−(γ)Cross Section with the Initial State Radiation Method atBABAR

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Journal 03 Dec 2009Embargo end date: 01 Jan 2009 France, Netherlands, France, United Kingdom, Germany, France, France, United States, Spain, Italy, United States, Spain, Germany, France, United Kingdom, France, France, Netherlands, France, France, United States, Spain, Spain Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 103 (issn: 0031-9007, eissn: 1079-7114,

Copyright policy )Funded by:NSERC | unidentified, UKRI | RootDetect: Remote Detect..., UKRI | SCORE: Supply Chain Optim...

Authors: B. Aubert; R. Barate; D. Boutigny; F. Couderc; Y. Karyotaki; J.P. Lee; V. Poireau; +193 Authors

B. Aubert; R. Barate; D. Boutigny; F. Couderc; Y. Karyotaki; J.P. Lee; V. Poireau; V. Tisserand; A. Zghiche; E. Grauge; A. Palano; M. Pappagallo; A. Pompili; J.C. Chen; N.D. Qi; G. Rong; P. Wang; Y.S. Zhu; G. Eigen; I. Ofte; B. Stugu; G.S. Abram; M. Battaglia; A.B. Breon; D.N. Brown; J. Button Shafer; R.N. Cahn; M.S. Gill; A.V. Gritsan; Y. Groysman; R.G. Jacobsen; J. Kadyk; L.T. Kerth; Y.U.G. Kolomensky; G. Kukartsev; G. Lynch; L.M. Mir; P.J. Oddone; T.J. Orimoto; N.A. Roe; M.T. Ronan; W.A. Wenzel; M. Barrett; K.E. Ford; T.J. Harrison; A.J. Hart; C.M. Hawke; B. Lewandowski; M. Pelizaeu; K. Peter; T. Schroeder; T. Cuhadar Donszelmann; B.G. Fulsom; C. Hearty; N.S. Knecht; T.S. Mattison; J.A. Mckenna; A. Khan; P. Kyberd; M. Saleem; L. Teodorescu; A.E. Blinov; V.E. Blinov; A.D. Bukin; V.P. Druzhinin; V.B. Golubev; E.A. Kravchenko; A.P. Onuchin; S.I. Serednyakov; Y.U.I. Skovpen; E.P. Solodov; D. Best; M. Bondioli; M. Bruinsma; M. Chao; I. Eschrich; D. Kirkby; A.J. Lankford; M. Mandelkern; B.L. Hartfiel; S.D. Foulke; J.W. Gary; O. Long; B.C. Shen; K. Wang; L. Zhang; D. del Re; H.K. Hadavand; E.J. Hill; D.B. Macfarlane; H.P. Paar; J.W. Berryhill; C. Campagnari; A. Cunha; M.A. Mazur; J.D. Richman; W. Verkerke; T.W. Beck; A.M. Eisner; C.J. Flacco; C.A. Heusch; J. Kroseberg; W.S. Lockman; G. Nesom; T. Schalk; B.A. Schumm; A. Seiden; P. Spradlin; D.C. William; M.G. Wilson; J. Albert; G.P. Dubois Felsmann; A. Dvoretskii; D.G. Hitlin; I. Narsky; T. Piatenko; F.C. Porter; A. Ryd; A. Samuel; R. Andreassen; S. Jayatilleke; G. Mancinelli; B.T. Meadow; M.D. Sokoloff; F. Blanc; P. Bloom; S. Chen; W.T. Ford; U. Nauenberg; A. Oliva; P. Rankin; W.O. Ruddick; J.G. Smith; K.A. Ulmer; S.R. Wagner; J. Zhang; A. Chen; E.A. Eckhart; A. Soffer; W.H. Toki; R.J. Wilson; Q. Zeng; D. Altenburg; E. Feltresi; A. Hauke; B. Spaan; T. Brandt; J. Brose; H.M. Lacker; R. Nogowski; S. Otto; A. Petzold; G. Schott; J. Schubert; K.R. Schubert; R. Schwierz; J.E. Sundermann; D. Bernard; G.R. Bonneaud; C.H. Thiebaux; G. Vasileiadi; M. Verderi; D.J. Bard; P.J. Clark; W. Gradl; F. Muheim; S. Playfer; Y. Xie; M. Andreotti; V. Azzolini; D. Bettoni; C. Bozzi; R. Calabrese; G. Cibinetto; E. Luppi; M. Negrini; L. Piemontese; F. Anulli; R. Baldini Ferroli; A. Calcaterra; R. de Sangro; G. Finocchiaro; P. Patteri; I.M. Peruzzi; M. Piccolo; A. Zallo; A. Buzzo; R. Capra; R. Contri; M. Lo Vetere; M. Macri; M.R. Monge; S. Passaggio; C. Patrignani; E. Robutti; A. Santroni; S. Tosi; S. Bailey; E. Won; J. Wu;

doi: 10.1103/physrevlett.103.231801 , 10.48550/arxiv.0908.3589

pmid: 20366141

arXiv: http://arxiv.org/abs/0908.3589 , 0908.3589

Precise Measurement of thee+e−→π+π−(γ)Cross Section with the Initial State Radiation Method atBABAR

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Abstract

A precise measurement of the cross section of the process e+ e- to pi+ pi- (gamma) from threshold to an energy of 3 GeV is obtained with the initial state radiation (ISR) method using 232 fb^-1 of data collected with the BABAR detector at e+ e- center-of-mass energies near 10.6 GeV. The ISR luminosity is determined from a study of the leptonic process e+ e- to mu+ mu- gamma (gamma). The leading-order hadronic contribution to the muon magnetic anomaly calculated using the pi pi cross section measured from threshold to 1.8 GeV is (514.1 +-2.2(stat} +-3.1(syst}) x 10^{-10}.

7 pages, 1 figure, 1 table, submitted to Physical Review Letters

Countries

France, Netherlands, France, United Kingdom, Germany, France, France, United States, Spain, Italy, United States, Spain, Germany, France, United Kingdom, France, France, Netherlands, France, France, United States, Spain, Spain

Related Organizations

Roma Tre University
Italy
Helmholtz Association of German Research Centres
Germany
Université Savoie Mont Blanc
France
Imperial College London
United Kingdom
Massachusetts Institute of Technology
United States

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Keywords

approx. 10.6 GeV-cms, BABAR, Atomic, Mathematical Sciences, electron positron --> muon+ muon- photon, High Energy Physics - Experiment, electron positron --> K+ K- photon, High Energy Physics - Experiment (hep-ex), Engineering, Particle and Plasma Physics, muon magnetic-moment, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], PEP2, info:eu-repo/classification/ddc/530, B meson; CP violation, Quantum Physics, precision measurement, Precision mesurements in e-e+ interactions, Nuclear & Particles Physics, muon: pair production, Physical Sciences, slope, PARTICLE PHYSICS, [PHYS.HEXP] Physics/High Energy Physics - Experiment, HEP; BaBar; PACS: 13.40.Em, 13.60.Hb, 13.66.Bc, 13.66.Jn, channel cross section: measured, Total and inclusive cross section, Astronomical and Space Sciences, General Physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], FOS: Physical sciences, Electric and magnetic moments; Total and inclusive cross sections; Hadron production in e-e+ interactions; Precision mesurements in e-e+ interactions, electron positron: annihilation, 530, PARTICLE PHYSICS; PEP2; BABAR, B-factory, Partícules (Física nuclear), energy dependence, K: pair production, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], quantum chromodynamics, pion form-factor, radiation: initial-state interaction, Mesons (Nuclear physics), Nuclear, Mesons (Física nuclear), interazioni e+ e-, Particles (Nuclear physics), Hadron production in e-e+ interaction, muon: magnetic moment, vacuum polarization: hadronic, Molecular, HEP; BaBar, BABAR detector, SLAC PEP Stor, BABAR Collaboration, BaBar, Electric and magnetic moment, pion form-factor; B-factory; muon magnetic-moment, K: form factor, experimental results

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