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Measurement of the cross section for γγ→pp¯
Baringer, Philip S.
Baringer, Philip S.
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Abstract
A measurement of the cross section for γγ→pp¯ is performed at two-photon center-of-mass energies between 2.00 and 3.25 GeV. These results are obtained using e(+)e-→e(+)e-pp¯ events selected from 1.31 fb(-1) of data taken with the CLEO II detector. The measured cross section is in reasonable agreement with previous measurements and is in excellent agreement with recent calculations based on a diquark model. However, leading order QCD calculations performed using the Brodsky-Lepage formalism are well below the measured cross section.
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This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.50.5484.
Date
1994-11-01
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American Physical Society
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Citation
M. Artuso et al. (1994). "Measurement of the cross section for γγ→pp¯." Physical Review D, 50(9):5484. http://dx.doi.org/10.1103/PhysRevD.50.5484.