Photoproduction of J/ψ and of high mass e+e− in ultra-peripheral Au+Au collisions at sNN=200 GeV

We present the first measurement of photoproduction of J/ψ and of two-photon production of high-mass e+e− pairs in electromagnetic (or ultra-peripheral) nucleus–nucleus interactions, using Au+Au data at sNN=200 GeV. The events are tagged with forward neutrons emitted following Coulomb excitation of...

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Veröffentlicht in:	Physics letters. B 2009-08, Vol.679 (4), p.321-329
Hauptverfasser:	Akiba, Y., Aoki, K., Aphecetche, L., Averbeck, R., Babintsev, V., Barish, K.N., Bassalleck, B., Bathe, S., Bazilevsky, A., Bennett, R., Berdnikov, Y., Brooks, M.L., Bumazhnov, V., Campbell, S., Chai, J.-S., Chiu, M., Cobigo, Y., del Valle, Z. Conesa, Csanád, M., Dahms, T., Delagrange, H., d'Enterria, D., Deshpande, A., Dietzsch, O., Dzhordzhadze, V., Enokizono, A., Espagnon, B., Gastineau, F., Glenn, A., Gosset, J., Goto, Y., Greene, S.V., Perdekamp, M. Grosse, Gunji, T., Hachiya, T., Henni, A. Hadj, Haslum, E., Holmes, M., Holzmann, W., Homma, K., Hong, B., Isenhower, L., Issah, M., Isupov, A., Jia, J., Jin, J., Jouan, D., Kang, J.H., Kawagishi, T., Kiss, A., Kistenev, E., Klein-Boesing, C., Komkov, B., Kurita, K., Leckey, S., Lee, D.M., Lee, M.K., Leitch, M.J., Leite, M.A.L., Litvinenko, A., Matathias, F., Moss, J.M., Moukhanova, T.V., Nagamiya, S., Ohnishi, H., Oskarsson, A., Otterlund, I., Pate, S.F., Pisani, R.P., Rak, J., Roche, G., Romana, A., Rosendahl, S.S.E., Sakaguchi, T., Sawada, S., Seto, R., Shea, T.K., Shimomura, M., Silvermyr, D., Singh, V., Smith, W.C., Stankus, P.W., Stenlund, E., Takagui, E.M., Tanaka, Y., Tarján, P., Togawa, M., Tram, V.-N., Tsuchimoto, Y., Tuli, S.K., Tyurin, N., Vale, C., Vertesi, R., Wagner, M., Wessels, J., Willis, N., Winter, D., Wysocki, M., Yanovich, A., Yushmanov, I.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Nuclear physics Physics The physics of elementary particles and fields
Online-Zugang:	Volltext
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