Production of charged pions, kaons, and protons in e[superscript +]e[superscript -] annihilations into hadrons at √s=10.54 GeV
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Lees_Production-of-charged-pions.pdf
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1.18 MB
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Author(s)
Sciolla, Gabriella
Cowan, Ray F
Dujmic, Denis
Date Issued
August 2013
Journal
Physical Review D
Publisher
American Physical Society
Citation
Lees, J. P., V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, et al. “Production of charged pions, kaons, and protons in e^{+}e^{-} annihilations into hadrons at sqrt[s]=10.54 GeV.” Physical Review D 88, no. 3 (August 2013). © 2013 American Physical Society
Version
Final published version
Abstract
Inclusive production cross sections of π[superscript ±], K[superscript ±] and p/p̅ per hadronic e[superscript +]e[superscript -] annihilation event are measured at a center-of-mass energy of 10.54 GeV, using a relatively small sample of very high quality data from the BABAR experiment at the PEP-II B-factory at the SLAC National Accelerator Laboratory. The drift chamber and Cherenkov detector provide clean samples of identified π[superscript ±], K[superscript ±], and p/p̅ over a wide range of momenta. Since the center-of-mass energy is below the threshold to produce a BB̅ pair, with B a bottom-quark meson, these data represent a pure e[superscript +]e[superscript -]→qq̅ sample with four quark flavors, and are used to test QCD predictions and hadronization models. Combined with measurements at other energies, in particular at the Z[superscript 0] resonance, they also provide precise constraints on the scaling properties of the hadronization process over a wide energy range.
MIT Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.88.032011
