Study of inclusive strange-baryon production and search for pentaquarks in two-photon collisions at LEP

P. Achard,O. Adriani,M. Aguilar-Benitez,J. Alcaraz, G. Alemanni,J. Allaby,A. Aloisio, M.G. Alviggi, H. Anderhub,V.P. Andreev, F. Anselmo, A. Arefiev, T. Azemoon,T. Aziz, P. Bagnaia, A. Bajo,G. Baksay, L. Baksay, S.V. Baldew,S. Banerjee,S. Banerjee,A. Barczyk, R. Barillère,P. Bartalini,M. Basile, N. Batalova,R. Battiston, A. Bay, F. Becattini,U. Becker,F. Behner,L. Bellucci,R. Berbeco,J. Berdugo,P. Berges,B. Bertucci,B.L. Betev, M. Biasini, M. Biglietti,A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink,A. Böhm, L. Boldizsar, B. Borgia,S. Bottai,D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson,F. Brochu, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell,G. Cara Romeo,G. Carlino, A. Cartacci,J. Casaus,F. Cavallari, N. Cavallo,C. Cecchi,M. Cerrada,M. Chamizo,Y.H. Chang, M. Chemarin,A. Chen,G. Chen,G.M. Chen,H.F. Chen,H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo,I. Clare, R. Clare,G. Coignet, N. Colino,S. Costantini,B. de la Cruz,S. Cucciarelli,R. de Asmundis, P. Déglon, J. Debreczeni, A. Degré,K. Dehmelt, K. Deiters,D. della Volpe, E. Delmeire,P. Denes, F. DeNotaristefani,A. De Salvo,M. Diemoz,M. Dierckxsens, C. Dionisi, M. Dittmar,A. Doria,M.T. Dova,D. Duchesneau,M. Duda, B. Echenard, A. Eline,A. El Hage,H. El Mamouni, A. Engler, F.J. Eppling,P. Extermann,M.A. Falagan, S. Falciano, A. Favara, J. Fay,O. Fedin,M. Felcini,T. Ferguson, H. Fesefeldt,E. Fiandrini, J.H. Field,F. Filthaut,P.H. Fisher,W. Fisher, G. Forconi, K. Freudenreich, C. Furetta,Y. Galaktionov,S.N. Ganguli, P. Garcia-Abia, M. Gataullin,S. Gentile,S. Giagu, Z.F. Gong, G. Grenier,O. Grimm, M.W. Gruenewald, V.K. Gupta, A. Gurtu, L.J. Gutay,D. Haas, D. Hatzifotiadou, T. Hebbeker,A. Hervé, J. Hirschfelder, H. Hofer, M. Hohlmann, G. Holzner, S.R. Hou, B.N. Jin, P. Jindal,L.W. Jones,P. de Jong, I. Josa-Mutuberría,M. Kaur, M.N. Kienzle-Focacci, J.K. Kim,J. Kirkby, W. Kittel,A. Klimentov,A.C. König, M. Kopal,V. Koutsenko, M. Kräber, R.W. Kraemer,A. Krüger, A. Kunin,P. Ladron de Guevara,I. Laktineh,G. Landi,M. Lebeau, A. Lebedev, P. Lebrun,P. Lecomte, P. Lecoq,P. Le Coultre,J.M. Le Goff, R. Leiste, M. Levtchenko, P. Levtchenko,C. Li,S. Likhoded,C.H. Lin,W.T. Lin, F.L. Linde,L. Lista, Z.A. Liu,W. Lohmann,E. Longo, Y.S. Lu,C. Luci, L. Luminari, W. Lustermann, W.G. Ma,L. Malgeri,A. Malinin,C. Maña, J. Mans,J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil,S. Mele,L. Merola, M. Meschini,W.J. Metzger,A. Mihul, H. Milcent, G. Mirabelli,J. Mnich, G.B. Mohanty, G.S. Muanza, A.J.M. Muijs,M. Musy,S. Nagy,S. Natale,M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nisati,T. Novak,H. Nowak, R. Ofierzynski,G. Organtini,I. Pal,C. Palomares,P. Paolucci,R. Paramatti,G. Passaleva, S. Patricelli,T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, D. Piccolo, F. Pierella, M. Pieri,M. Pioppi, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, J. Pothier, D. Prokofiev, G. Rahal-Callot,M.A. Rahaman, P. Raics,N. Raja,R. Ramelli,P.G. Rancoita, R. Ranieri, A. Raspereza,P. Razis, S. Rembeczki,D. Ren, M. Rescigno, S. Reucroft, S. Riemann,K. Riles, B.P. Roe,L. Romero,A. Rosca, C. Rosemann, C. Rosenbleck, S. Rosier-Lees,S. Roth,J.A. Rubio,G. Ruggiero, H. Rykaczewski,A. Sakharov,S. Saremi,S. Sarkar, J. Salicio,E. Sanchez,C. Schäfer, V. Schegelsky, H. Schopper, D.J. Schotanus,C. Sciacca,L. Servoli,S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob,D. Son,C. Souga, P. Spillantini, M. Steuer, D.P. Stickland, B. Stoyanov,A. Straessner, K. Sudhakar, G. Sultanov,L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, X.W. Tang,P. Tarjan, L. Tauscher,L. Taylor,B. Tellili, D. Teyssier, C. Timmermans, S.C.C. Ting, S.M. Ting, S.C. Tonwar,J. Tóth,C. Tully, K.L. Tung, J. Ulbricht,E. Valente,R.T. Van de Walle,R. Vasquez, G. Vesztergombi, I. Vetlitsky,G. Viertel, M. Vivargent,S. Vlachos, I. Vodopianov,H. Vogel,H. Vogt, I. Vorobiev,A.A. Vorobyov,M. Wadhwa,Q. Wang, X.L. Wang,Z.M. Wang, M. Weber, S. Wynhoff, L. Xia,Z.Z. Xu,J. Yamamoto,B.Z. Yang,C.G. Yang,H.J. Yang,M. Yang, S.C. Yeh,A. Zalite, Y. Zalite, Z.P. Zhang,J. Zhao,G.Y. Zhu,R.Y. Zhu, H.L. Zhuang, A. Zichichi,B. Zimmermann,M. Zöller

The European Physical Journal C(2006)

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摘要
Measurements of inclusive production of the Λ, Ξ - and Ξ * (1530) baryons in two-photon collisions with the L3 detector at LEP are presented. The inclusive differential cross sections for Λ and Ξ - are measured as a function of the baryon transverse momentum, p t , and pseudo-rapidity, η. The mean number of Λ, Ξ - and Ξ * (1530) baryons per hadronic two-photon event is determined in the kinematic range 0.4 GeV

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关键词
Systematic Uncertainty,Interaction Point,Secondary Vertex,Monte Carlo Prediction,Monte Carlo Distribution
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