Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/21972
Share/Impact:
Título : Precise Measurement of the e(+)e(-)->pi(+)pi(-)(gamma) Cross Section with the Initial State Radiation Method at BABAR
Autor : Babar Collaboration, Azzolini, Virginia, López-March, Neus, Martínez-Vidal, Fernando, Milanés, Diego A., Oyanguren, Arantza, Aubert, B.
Fecha de publicación : 4-Dec-2009
Editor: American Physical Society
Citación : Physical Review Letters 103 (23): 231801 (2009)
Resumen: A precise measurement of the cross section of the process e(+)e(-)->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(-)->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))x10(-10).
Versión del editor: http://dx.doi.org/ 10.1103/PhysRevLett.103.231801
URI : http://hdl.handle.net/10261/21972
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.103.231801
Appears in Collections:(IFIC) Artículos

Files in This Item:
File Description SizeFormat 
precise measurement.pdf225,16 kBAdobe PDFView/Open
Show full item record
 
CSIC SFX LinksSFX Query

Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.