Search for a threshold enhancement in theγp→charmed baryon + charmed meson cross section

Kenji Abe ,H O Cohn,K Tamai,H J Hargis,M J Harwin,J E Brau,T Kafka,R K Yamamoto,T Glanzman,H Yuta,R I Hulsizer,I A Pless,M Widgoff,B Franek,W Cameron,S J Sewell,P Dingus,R Erickson,H H Bingham,E L Hart,S Wolbers,T Kitagaki,D A Waide,K Braune,T C Bacon,M Jobes,S Tanaka,P Rankin,A Yamaguchi ,D P Kelsey ,K Hasegawa ,W Bugg ,Ian Godfrey ,A Levy ,D Brick ,R C Field ,Edwin R Hancock ,G Hall ,R Merenyi ,J M Butler ,J Shimony ,Joseph J Murray ,H Sagawa ,J T Shank ,G.p Yost ,V O’dell ,D.c Colley ,R Gearhart ,E Ronat ,G Kalmus ,C A Woods ,S Dado

doi:10.1103/physrevd.30.694

Search for a threshold enhancement in theγp→charmed baryon + charmed meson cross section

Kenji Abe , H O Cohn + Show 50 more

https://doi.org/10.1103/physrevd.30.694

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Journal: Physical Review D	Publication Date: Aug 1, 1984
Citations: 1

Affiliation: Tohoku University, Oak Ridge National Laboratory, University of Tennessee at Knoxville, Imperial College London, Tufts University, Massachusetts Institute of Technology, Stanford Synchrotron Radiation Lightsource, Stanford University, SLAC National Accelerator Laboratory, Brown University, Providence College, Rutherford Appleton Laboratory, University of California, Berkeley, University of Birmingham, Tel Aviv University, Weizmann Institute of Science, Technion – Israel Institute of Technology

#Charm Decays #Cross Section + Show 4 more

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Abstract

Results of a search for a predicted enhancement of several microbarns in the charm-photoproduction cross section just above threshold are reported. No charm decays were detected, from which an upper limit to the charm cross section of 94 nb (90% C.L.) at E/sub ..gamma../approx. =10 GeV was obtained. Upper limits in the range 270 to 450 nb were also obtained for the peak cross sections for threshold enhancements in ..gamma..p..-->..D/sup -/..sigma../sub c//sup + +/ and similar channels.

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