The studies of the γγ → pp̄ production by the Belle detector

C. C. Kuo, S. C. Kao, A. Chen, S. Uehara, W. T. Chen

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Quasi-real two photon γγ → pp̄ events are produced at the KEKB accelerator at an e+e- c.m. energy of 10.58 GeV, and are collected by the Belle detector. Preliminary results for γγ invariant mass (Wγγ) from 2 to 4 GeV/c2 are presented based 30.6 fb-1 of data. In comparison with the previous measurements, better statistics are achieved. This improvement will help to test QCD predictions.

Original languageEnglish (US)
Pages (from-to)C817-C820
JournalNuclear Physics A
Volume721
DOIs
StatePublished - Jun 30 2003
Externally publishedYes

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