Inclusive production of D-mesons in e+e− annihilation at 7 GeV☆

P. Rapidis,G.J. Feldman,G. S. Abrams,M. S. Alam,A. Barbaro-Galtieri,A. M. Boyarski,M. Breidenbach,W. Chinowsky,J. Dorfan,R. Ely,J.M. Feller,A. Fong,B. Gobbi,G. Goldhaber,G. Hanson,J. A. Jaros,J. Kadyk,B. P. Kwan,R. R. Larsen,P. Lecomte,A. M. Litke,D. Lüke,V. Luth,R. J. Madaras,J.F. Martin,D. H. Miller,Sherwood Parker,J. M. Paterson,M. Perl,I. Peruzzi,M. Piccolo,T. P. Pun,B. Richter,M. T. Ronan,R. R. Ross,D. L. Scharre,R.H. Schindler,J. Siegrist,T.G. Trippe,V. Vuillemin,James E Wiss,D.E. Yount

Inclusive production of D-mesons in e+e− annihilation at 7 GeV☆

1979

Abstract Inclusive momentum and energy spectra of neutral and charged D-mesons produced in e + e − annihilation at energies near 7 GeV are presented. The slope of the energy spectrum is similar to the charged pion spectrum at the same energy. The inclusive cross section σ(e + e − → D or D + anything) at 7 GeV is 4.8±1.3 nb.

Keywords:

Energy–momentum relation
Particle physics
Meson
Annihilation
Nuclear physics
Pion
Spectral line
Electron–positron annihilation
Physics
Mark I
energy spectrum

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