Study of resonance formation in the mass region 1400- 1500 MeV through the reaction γγ→K0 SK±π ∓

Pablo Achard,Oscar S. Adriáni,M. Aguilar-Benítez,Juan Alcaraz,G. Alemanni,Jim V. Allaby,Alberto Aloisio,M. G. Alviggi,Hans B. Anderhub,V. P. Andreev,F. Anselmo, A. S. Arefiev,Tofigh Azemoon, T. Aziz,Paolo Bagnaia,A. Bajo,Gyöngyi Baksay,László A. Baksay,S. V. Baldew,Sw W. Banerjee,Artur Barczyk,R. Barillère,Paolo Bartalini,Maurizio Basile,N. V. Batalova,Roberto Battiston,Aurelio Bay,Francesco Becattini,Ulrich J. Becker,F. Behner,Luca Bellucci,Ross I. Berbeco,J. Berdugo,P. Berges,Bruna Bertucci,Botio L. Betev,Maurizio Biasini,M. G. Biglietti,Adrian Biland,JJ J. Blaising,S. C. Blyth,GJ J. Bobbink,Albrecht Böhm,László Boldizsár,Bruno Borgia,Sergio Bottai,Dimitri Bourilkov,Maurice H. Bourquin,Stefano Braccini,James G. Branson,Frederic M. Brochu,Joseph D. Bürger,William J. Burger,Xu Cai,Michael Capell,G. Cara Romeo,Gianpaolo P. Carlino,Annamaria M. Cartacci,Jorge Casaus,Francesca Cavallari,Nicola Cavallo,Claudia Cecchi, M. Cerrada,M. Chamizo Chamizo,Yun Chang,M. Chemarin,Augustine E. Chen,Guomeng Chen,Guoming Chen,Hui Chen,Hesheng Chen,G. V. Chiefari,Luisa Cifarelli,Federico Cindolo,I. Clare,Robert M. Clare,Guy G. Coignet, N. Colino,Silvia Costantini,Begoña De La Cruz,Susanna Cücciarelli,Riccardo De Asmundis,P. Déglon,J. Debreczeni,A. Degré,Klaus Dehmelt, K. Deiters,D. Della Volpe,E. Delmeire,Peter Denes,Francesco De Notaristefani,Alessandro De Salvo,Marcella Diemoz,Mark Dierckxsens,Carla Dionisi,Michael Dittmar,Alessandra Doria,María Teresa Dova,Dominique Duchesneau,Markus Duda,Bertrand Echenard,A. Eline,A. El Hage,Houmani El Mamouni,Arnold Engler,FJ J. Eppling,P. Extermann,M. A. Falagán,Speranza Falciano,A. Favara, J. Fay,Oleg L. Fedin,Marta Felcini,T. Ferguson,Harm S. Fesefeldt,Emanuele Fiandrini,John H. Field,Frank Filthaut,PH H. Fisher,Wade C. Fisher,G. Forconì,Kai Freüdenreich,Claudio Furetta,Yu U. Galaktionov,Som N. Ganguli,Pablo García-Abia,Marat Gataullin,Simonetta Gentile,Stefano Giagu,Zhufang Gong,Gérald J. Grenier,Oliver Grimm,M. W. Gruenewald,VK K. Gupta,Atul Gurtu,LJ J. Gutay,Daniel Haas,Despoina Hatzifotiadou,Thomas Hebbeker,Alain E. Hervé,J. Hirschfelder,Hans Hofer,Marcus Hohlmann,G. Holzner,Suen Hou,Bingnian Jin, P. Jindal,Lawrence W. Jones,Paul De Jong,I. Josa-Mutuberrýa,Maninder Pal Kaur,Maria Novella Kienzle-Focacci,JaeKwan Kim,Jasper Kirkby,Wolfram K. Kittel,Alexei Klimentov,A. C. König,Miroslav Kopál,Vladimir Koutsenko,M. Kräber,Robert W. Kraemer,Andreas E. Krüger,A. V. Kunin,P. Ladrón De Guevara,Imad B. Laktineh,Gregorio Landi,Michel Lebeau,Alexei I. Lebedev,Paul L G Lebrun,Pierre Lecomte,Paul R. Lecoq,Pierre Le Coultre,Jean Marc Le Goff,R. Leiste,Mikhail Levtchenko,Peter M. Levtchenko,Cheng Li,S. A. Likhoded,Chihhsun Lin,Weiting Lin,F. L. Linde,Luca Lísta,Zhen'An Liu,Wolfgang Lohmann,Egidio Longo,Yusheng Lü,Claudio Luci,Lamberto Luminari,Werner Lüstermann,Wengan Ma,Luca Malgeri,A. Malinin,C. Mañá, J. Mans,J. P. Martin,Frank Silvio Marzano,Kajari Mazumdar,Roger R. McNeil,Salvatore Mele,Leonardo Merola, M. Meschini,WJ J. Metzger,A. C. Mihul,H. Milcent,Giovanni Mirabelli,Joachim Mnich,Gagan B. Mohanty,G. S. Muanza,A. J M Muijs,Marco Musy,Szilard Nagy,Sonia Natale,M. Napolitano,Francesca Nessi-Tedaldi,Harvey B. Newman,Aleandro Nisati,Tamás Novák,Hannelies Nowak, R. A. Ofierzynski,Giovanni C. Organtini,I. Pal,Carmen Palomares,Pierluigi S. Paolucci,Riccardo Paramatti,Giovanni Passaleva, S. Patricelli,Thomas C. Paul,M. Pauluzzi,Christoph Paus,Felicitas Paüss,M. Pedace,Simonetta Pensotti,Denis Perret-Gallix,Davide Piccolo,Fabio Pierella,Marco Pieri,Michele Pioppí,PA A. Piroué,E. Pistolesi,Vassili V. Plyaskin,Martin Pohl, V. Pojidaev,J. Pothier,D. A. Prokofiev,Ghita Rahal-Callot,M. A. Rahaman,Péter Raics,N. Raja,Renzo Ramelli,P. G. Giorgio Rancoita,Riccardo Ranieri,Alexei Raspereza,Panos A. Razis,S. Rembeczki,Daning Ren,Marco Rescigno,Stephen Reucroft,Sabine Riemann,Keith Riles,Byron P. Roe,Luciano Romero,Aura Rosca,C. Rosemann,C. Rosenbleck,Sylvie Rosier-Lees,Simon Roth,J. Alberto Rubio,Gennaro Ruggiero,Hans Rykaczewski,Alexander S. Sakharov,Saeed Saremi,Subir Sarkar,J. M. Salicio,Eusebio Sánchez,Christoph Schäfer,V. A. Schegelsky,Herwig F. Schopper,DJ J. Schotanus,C. Sciacca,Leonello Servoli,S. Shevchenko,Naiden Shivarov,V. Shoutko,E. Shumilov,A. V. Shvorob,Dongchul Son,C. Souga,Piero Spillantini,Malcolm F. Steuer,David P. Stickland,Basil J. Stoyanov,Arno Straessner, K. Sudhakar,G. G. Sultanov,La-Zhen Sun,Sergey V. Sushkov,Henry Suter,John D. Swain,Zoltan Szillási,Xiaowei Tang,Péter Tarján,Ludwig Tauscher,Lucas L. Taylor,B. Tellili,Daniel Teyssier,Charles J W P Timmermans.,Samuel C C Ting,Steve Ting,Suresh C. Tonwar,József J. Tóth,Christopher G. Tully,Karen Tung,Jürgen Ulbricht,Enzo Valente,Remy T. Van De Walle,Richard P. Vasquez,György Vesztergombi,I. Vetlitsky,Gert M. Viertel,M. Vivargent,Sotirios Vlachos,Igor Vodopianov,Helmut R. Vogel,Hans G. Vogt,Igor A. Vorobiev,An A. Vorobyov,M. Wadhwa,Q. F. Wang,Xiaolian Wang,Zhaomin Wang,Martin Weber,St Wynhoff,Lirong Xia,Zizong Xu,J. Yamamoto,Bin Yang,Changgen Yang,Haijun Yang,Min Yang,S. C. Yeh,An N. Zalite,Yu U. Zalite,Ziping Zhang,Jiawei Zhao,Guoyi Zhu,Renyuan Zhu,Honglin Zhuang,Antonino Zichichi,Bruno Zimmermann,M. Z. Zöller

JOURNAL OF HIGH ENERGY PHYSICS（2007）

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摘要

The (KSK +/-)-K-0 pi(-/+) final state in two-photon collisions is studied with the L3 detector at LEP at e(+)e(-) centre- of- mass energies from 183 to 209 GeV with an integrated luminosity of 664.6 pb(-1). The eta (1475) and f(1)(1420) mesons are observed and their contribution is separated by measuring the formation rates as a function of the photon virtuality Q(2). The eta(1475) is found to be dominant for Q(2) <= 0.01 GeV2 and its two- photon width is measured to be 0.23 +/- 0.05 (stat.) +/- 0.05 (sys.) keV. At higher Q(2), the f(1)(1420) is formed and decays to K*(892) K. The coupling and form factor parameters of this state are measured to be Gamma(gamma gamma) = 3.2 +/- 0.6 (stat.) +/- 0.7 ( sys.) keV and Lambda(1) = 926 +/- 72 (stat.) +/- 32 (sys.) MeV, respectively.

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e plus -e- experiments

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