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Title: Hadron production in e+e- annihilation at BABAR, and implication for the muon anomalous magnetic moment

Abstract

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

Authors:
 [1]
  1. Caltech, Pasadena, CA (United States). Physics Dept.
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1178985
Report Number(s):
SLAC-PUB-16275
arXiv:1310.3300; TRN: US1600141
DOE Contract Number:  
AC02-76SF00515
Resource Type:
Conference
Resource Relation:
Conference: DPF 2013 Meeting of the American Physical Society Division of Particles and Fields, Santa Cruz, CA (United States), 13-17 Aug 2013
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; PIONS PLUS; PIONS MINUS; KAONS MINUS; KAONS PLUS; MUONS; ANNIHILATION; DATA; ELECTRON-POSITRON INTERACTIONS; MAGNETIC MOMENTS; CROSS SECTIONS; GEV RANGE 01-10; PARTICLE PRODUCTION; ACCURACY; Experiment-HEP, Phenomenology-HEP,HEPEX

Citation Formats

Porter, Frank C. Hadron production in e+e- annihilation at BABAR, and implication for the muon anomalous magnetic moment. United States: N. p., 2015. Web.
Porter, Frank C. Hadron production in e+e- annihilation at BABAR, and implication for the muon anomalous magnetic moment. United States.
Porter, Frank C. 2015. "Hadron production in e+e- annihilation at BABAR, and implication for the muon anomalous magnetic moment". United States. https://www.osti.gov/servlets/purl/1178985.
@article{osti_1178985,
title = {Hadron production in e+e- annihilation at BABAR, and implication for the muon anomalous magnetic moment},
author = {Porter, Frank C.},
abstractNote = {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},
doi = {},
url = {https://www.osti.gov/biblio/1178985}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Apr 29 00:00:00 EDT 2015},
month = {Wed Apr 29 00:00:00 EDT 2015}
}

Conference:
Other availability
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