The cross section σe+e- → J/ψX = 2.52 ± 0.21 ± 0.21 pb was measured. Restricting to p* > 2 GeV/c, 1.87 ± 0.10 ± 0.15 pb were found. The total cross section and the angular distribution favor the NRQCD calculation over the color singlet model.

Aubert, B., Boutigny, D., Gaillard, J., Hicheur, A., Karyotakis, Y., Lees, J., et al. (2001). Measurement of J/ψ production in continuum e+e- annihilations near √s = 10.6 GeV. PHYSICAL REVIEW LETTERS, 87(16), 1-7 [10.1103/PhysRevLett.87.162002].

Measurement of J/ψ production in continuum e+e- annihilations near √s = 10.6 GeV

CARPINELLI, Massimo;
2001

Abstract

The cross section σe+e- → J/ψX = 2.52 ± 0.21 ± 0.21 pb was measured. Restricting to p* > 2 GeV/c, 1.87 ± 0.10 ± 0.15 pb were found. The total cross section and the angular distribution favor the NRQCD calculation over the color singlet model.
Articolo in rivista - Articolo scientifico
Elementary particles; Mathematical models; Quantum theory; Statistical methods; Continuum annihilations; Mass momentum; Mesons; High energy physics
English
2001
87
16
1
7
162002
none
Aubert, B., Boutigny, D., Gaillard, J., Hicheur, A., Karyotakis, Y., Lees, J., et al. (2001). Measurement of J/ψ production in continuum e+e- annihilations near √s = 10.6 GeV. PHYSICAL REVIEW LETTERS, 87(16), 1-7 [10.1103/PhysRevLett.87.162002].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/390071
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