1. Inclusive J$\psi$ production in $e^+ e^-$ annihilation in the energy range from 4.0-GeV to 5.0-GeV
- Author
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Burmester, J., Criegee, L., Kahl, T., Knies, G., Rossler, M., Schmitz, Ruediger, Timm, U., Wahl, H., Waloschek, P., Winter, G. G., Wolf, S., Zimmermann, W., Dehne, H. C., Blobel, V., Jensing, H., Koppitz, B., Lohrmann, E., Luhrsen, W., Backer, A., Burger, J., Grupen, C., Rost, M., Zech, Gunter, Derikum, K., Meyer, H., Wacker, K., PLUTO Collaboration, Devenish, R., Flugge, G., Fox, J. D., Franke, G., Gerke, C., and Horlitz, G.
- Subjects
+J%2FPSI%283100%29+%28N%29CHARGED+PARTICLE%22">ELECTRON POSITRON --> J/PSI(3100) (N)CHARGED PARTICLE ,J/PSI(3100): ELECTROPRODUCTION ,ELECTROPRODUCTION [J/PSI(3100)] ,MUON+ [FINAL STATE] ,VIOLATION [SELECTION RULE] ,IIZUKA-OKUBO-ZWEIG [SELECTION RULE] ,+MUON%2B+MUON%22">J/PSI(3100) --> MUON+ MUON ,PLUTO ,DIRECT PRODUCTION [CHANNEL CROSS SECTION] ,ddc:530 ,FINAL STATE [MUON+] ,COLLIDING BEAMS: ELECTRON POSITRON ,EXPERIMENTAL RESULTS ,FINAL STATE [MUON-] ,SEARCH FOR: ENHANCEMENT ,DESY DORIS STOR ,FINAL STATE: MUON ,PSI(3700): BACKGROUND ,CHANNEL CROSS SECTION: DIRECT PRODUCTION ,FINAL STATE: MUON+ ,ELECTRON POSITRON: INCLUSIVE REACTION ,COLLIDING BEAMS [ELECTRON POSITRON] ,MUON-: FINAL STATE ,ANNIHILATION: ELECTRON POSITRON ,ELECTROPRODUCTION: J/PSI(3100) ,INCLUSIVE REACTION [ELECTRON POSITRON] ,ELECTRON POSITRON [COLLIDING BEAMS] ,RADIATIVE DECAY [PSI(3700)] ,BACKGROUND [PSI(3700)] ,ELECTRON POSITRON: COLLIDING BEAMS ,J/PSI(3100): DIRECT PRODUCTION ,ELECTRON POSITRON [ANNIHILATION] ,ENHANCEMENT [SEARCH FOR] ,SELECTION RULE: IIZUKA-OKUBO-ZWEIG ,MUON+: FINAL STATE ,SELECTION RULE: VIOLATION ,ANNIHILATION [ELECTRON POSITRON] ,DIRECT PRODUCTION [J/PSI(3100)] ,MUON- [FINAL STATE] ,J/PSI(3100) [ELECTROPRODUCTION] ,PSI(3700): RADIATIVE DECAY ,4.0-5.0 GEV-CMS ,ELECTRON POSITRON: ANNIHILATION - Abstract
(1977). doi:10.1016/0370-2693(77)90289-1, We report on inclusive production of J ψ (3.1)-mesons observed in e + e − -annihilation in the energy range s = 4.0–5.0 GeV . After substraction of the radiative tail of the ψ(3.7) direct production of the J ψ (3.1) is found to be in the order of 0.1% of the total hadronic cross section. No enhancements are seen at s = 4.03 GeV and 4.4 GeV. The level is in agreement with expectations from violation of the Zweig-rule.
- Published
- 1977
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