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Hadron production in e<sup>+</sup>e<sup>-</sup> annihilation at BABAR, and implication for the muon anomalous magnetic moment [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Science, 2015.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
10 pages : digital, PDF file
Additional Creators
United States. Department of Energy. Office of Science and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The BABAR collaboration has an extensive program of studying hadronic cross sections in low-energy e+e- collisions, accessible via initial-state radiation. Our measurements allow significant improvements in the precision of the predicted value of the muon anomalous magnetic moment. These improvements are necessary for illuminating the current 3.6 sigma difference between the predicted and the experimental values. We have published results on a number of processes with two to six hadrons in the final state. We report here the results of recent studies with final states that constitute the main contribution to the hadronic cross section in the energy region between 1 and 3 GeV, as e+e- → K+K-, π+π-, and e+e- → 4 hadrons
Report Numbers
E 1.99:slac-pub--16275
slac-pub--16275
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
04/29/2015.
"slac-pub--16275"
"arXiv:1310.3300"
DPF 2013 Meeting of the American Physical Society Division of Particles and Fields, Santa Cruz, CA (United States), 13-17 Aug 2013.
Frank C. Porter.
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Funding Information
AC02-76SF00515
View MARC record | catkey: 23505117