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Exclusive production of pion and kaon meson pairs in two photon collisions at LEP
Authors :
O. Buchmüller Paul Hanke Donato Creanza L. Passalacqua Dominique Pallin John T Harvey C. N. Booth F. Cerutti Alessandro Giassi J. Jousset A. Kraan Giuseppe Raso Y. S. Gao Vincent Lemaitre G. Rudolph Lorenzo Foà H. Videau C. Borean Mario Antonelli B.S. Nilsson S. Xue R.D. Hill L.T. Jones Nancy Marinelli M H. Lehto P. Perez P. Colas Gerardo Ganis M. Martinez A. S. Thompson P. R. Norton B. Jost Alberto Messineo H. Dietl Alain Bonissent G. Giannini Maria Pilar Casado Werner Wiedenmann S. Gonzalez K. Tittel Konrad Kleinknecht Ph. Heusse G. B. Taylor P. Tempesta S. L. Cartwright G. Maggi Lester D.R. Thompson A. Blondel Salvatore Nuzzo D. Fayolle Jiali Lin J.C. Thompson O. Callot Giuseppe Zito Ettore Focardi John Rander Ian R Tomalin S. Dessagne J.J. Ward Yuehong Xie Giuseppe Bagliesi Djamel Eddine Boumediene David Hutchcroft A. Ealet G. Hughes H. He Francesco Ragusa R. W. Clifft B. Pietrzyk J. P. Lees R. Barate J. Putz J.G. Lynch M. Fernandez-Bosman R. Beuselinck I. De Bonis A. Böhrer Lucia Silvestris J. K. Sedgbeer D. Kuhn S.R. Armstrong N. A. Robertson M. Wunsch R. White A. Moutoussi D.P. Clarke F. Combley B. Vallage G. Lütjens H. Wachsmuth J. Boucrot H. Ruiz Kyle Cranmer D. Decamp Andre Tilquin Jørgen Beck Hansen F. Badaud Stephane Jezequel T. Medcalf D.P.S. Ferguson Eric Lancon Qun Ouyang E. Fernandez X. Huang P. Girtler M. C. Lemaire P. A. McNamara Roberto Tenchini Karl Jakobs A.-S. Müller Roger Jones O. Awunor S. Jin Y. B. Pan R. Bruneliere T. Ziegler K. Hüttmann B. Fabbro M.-N. Minard G. Ellis F. Ruggieri Evelina Vassileva Bouhova-Thacker Gavin Davies Peter Hansen M. Chmeissani G. Leibenguth A. Ngac F. Machefert G. Prange S. Bravo Paolo Laurelli Laurent Serin Sau Lan Wu V. Hepp Paolo Azzurri Günther Dissertori D. Schlatter J-C. Brient J. M. Crespo Ll. Garrido F. Martin U. Blumenschein H. G. Moser Marumi Kado L. Rolandi W. Cameron F. Hölldorfer A. Jacholkowska A. Ranieri P. Negus JunJie Wu P. J. Dornan O. van der Aa A. David Giuseppe Iaselli Ting Wang A. Garcia-Bellido G. Sanguinetti F. Kayser Patrick Janot A. Rougé J-F Grivaz J. A. Strong Stephane Monteil Tommaso Boccali A. Antonelli Maria Smizanska M. Villegas E. Simopoulou F. Foster A. Pacheco Giovanna Selvaggi G.A. Blair Stefan Schael S. Brandt O.J. Hayes R. Settles R. Xu Franco Ligabue Marco Cattaneo W. Zhao S.A. Rutherford Anna Colaleo B. Bloch-Devaux J. Kile Richard Cavanaugh C. Markou A. Putzer K. Zachariadou F. Ranjard G. Mannocchi N. De Filippis Emmerich Kneringer E. Merle F. Teubert Arno Heister D. Fouchez Christophe Delaere Timothy Barklow C. Curtil Alan Litke Mario Maggi Piero Giorgio Verdini B. Michel Gy. Wolf G. A. Cowan J. H. von Wimmersperg-Toeller Alexander Finch Aristotelis Kyriakis H. Hu K. Berkelman M. De Palma Maria Girone J. Kennedy W. Männer C. Goy H. Drevermann G. Capon Claus Grupen S. Schmeling Jie Zhang Paul Hodgson Xin Wu V. Chiarella F. Gianotti G. Bencivenni Barbara Clerbaux C. K. Bowdery Andrea Venturi J.M. Pascolo Pedro Teixeira-Dias Jj Veillet Markus Frank Steven Wasserbaech Andrea Giammanco J. Nielsen Fabrizio Palla A. Misiejuk Hasko Stenzel G. Parrini Pascal Perret J. D. Hansen P. Payre L. Duflot I. Videau Roger Forty Paolo Spagnolo A. Sciabà A. Vayaki Giacomo Sguazzoni Benjamin Trocmé Vitaliano Ciulli Boris Tuchming Duccio Abbaneo Elizabeth Locci J. Nowell J.D. Hansen Lei Zhang B. Renk Pere Mato T. R. Edgecock F. Bossi Val O'Shea H. G. Sander V. M. Ghete G.P. Murtas J. Rothberg Alessia Tricomi M.R. Pearson Christian Zeitnitz P. Coyle S. Dhamotharan Andrea Valassi Georg Zobernig M. G. Green M. Davier J. Hess C. Geweniger E. E. Kluge Alain Falvard Laboratoire d'Annecy de Physique des Particules (LAPP) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Physique Corpusculaire - Clermont-Ferrand (LPC) Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Laboratoire Leprince-Ringuet (LLR) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS) Centre de Physique des Particules de Marseille (CPPM) Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de l'Accélérateur Linéaire (LAL) Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) ALEPH Heister, A Schael, S Barate, R Bruneliere, R De Bonis, I Decamp, D Goy, C Jezequel, S Lees, Jp Martin, F Merle, E Minard, Mn Pietrzyk, B Trocme, B Bravo, S Casado, Mp Chmeissani, M Crespo, Jm Fernandez, E Fernandez Bosman, M Garrido, L Martinez, M Pacheco, A Ruiz, H Colaleo, A Creanza, D De Filippis, N de Palma, M Iaselli, G Maggi, G Maggi, M Nuzzo, S Ranieri, A Raso, G Ruggieri, F Selvaggi, G Silvestris, L Tempesta, P Tricomi, A Zito, G Huang, X Lin, J Ouyang, Q Wang, T Xie, Y Xu, R Xue, S Zhang, J Zhang, L Zhao, W Abbaneo, D Barklow, T Buchmuller, O Cattaneo, M Clerbaux, B Drevermann, H Forty, Rw Frank, M Gianotti, E Hansen, Jb Harvey, J Hutchcroft, De Janot, P Jost, B Kado, M Mato, P Moutoussi, A Ranjard, F Rolandi, Luigi Schlatter, D Sguazzoni, G Teubert, F Valassi, A Videau, I Badaud, F Dessagne, S Falvard, A Fayolle, D Gay, P Jousset, J Michel, B Monteil, S Pallin, D Pascolo, Jm Perret, P Hansen, Jd Hansen, Jr Hansen, Ph Kraan, Ac Nilsson, B Kyriakis, A Markou, C Simopoulou, E Vayaki, A Zachariadou, K Blondel, A Brient, Jc Machefert, F Rouge, A Videau, H Ciulli, V Focardi, E Parrini, G Antonelli, A Antonelli, M Bencivenni, G Bossi, E Capon, G Cerutti, E Chiarella, V Laurelli, P Mannocchi, G Murtas, Gp Passalacqua, L Kennedy, J Lynch, Jg Negus, P O'Shea, V Thompson, A Wasserbaech, S Cavanaugh, R Dhamotharan, S Geweniger, C Hanke, P Hepp, V Kluge, Ee Putzer, A Stenzel, H Tittel, K Wunsch, M Beuselinck, R Cameron, W Davies, G Dornan, Pj Girone, M Hill, Rd Marinelli, N Nowell, J Rutherford, Sa Sedgbeer, Jk Thompson, Jc White, R Ghete, Vm Girtler, P Kneringer, E Kuhn, D Rudolph, G Bouhova Thacker, E Bowdery, Ck Clarke, Dp Ellis, G Finch, Aj Foster, F Hughes, G Jones, Rwl Pearson, Mr Robertson, Na Smizanska, M van der Aa, O Delaere, C Leibenguth, G Lemaitre, V Blumenschein, U Holldorfer, F Jakobs, K Kayser, F Kleinknecht, K Muller, A Renk, B Sander, Hg Schmeling, S Wachsmuth, H Zeitnitz, C Ziegler, T Bonissent, A Coyle, P Curtil, C Ealet, A Fouchez, D Payre, P Tilquin, A Ragusa, E David, A Dietl, H Ganis, G Huttmann, K Lutjens, G Manner, W Moser, Hg Settles, R Villegas, M Wolf, G Boucrot, J Callot, O Davier, M Duflot, L Grivaz, Jf Heusse, P Jacholkowska, A Serin, L Veillet, Jj Azzurri, P Bagliesi, G Boccali, T Foa, L Giammanco, A Giassi, A Ligabue, Franco Messineo, A Palla, F Sanguinetti, G Sciaba, A Spagnolo, P Tenchini, R Venturi, A Verdini, Pg Awunor, O Blair, Ga Cowan, G Garcia Bellido, A Green, Mg Jones, Lt Medcalf, T Misiejuk, A Strong, Ja Teixeira Dias, P Clifft, Rw Edgecock, Tr Norton, Pr Tornalin, Ir Ward, Jj Bloch Devaux, B Boumediene, D Colas, P Fabbro, B Lancon, E Lemaire, Mc Locci, E Perez, P Rander, J Tuchming, B Vallage, B Litke, Am Taylor, G Booth, Cn Cartwright, S Combley, E Hodgson, Pn Lehto, M Thompson, Lf Bohrer, A Brandt, S Grupen, C Hess, J Ngac, A Prange, G Borean, C Giannini, G He, H Putz, J Rothberg, J Armstrong, Sr Berkelman, K Cranmer, K Ferguson, Dp Gao, Y Gonzalez, S Hayes, Oj Hu, H Jin, S Kile, J Mcnamara, Pa Nielsen, J Pan, Yb von Wimmersperg Toeller, Jh Wiedenmann, W Wu, J Wu, Sl Wu, X Zobernig, G Dissertori, G. Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3) Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Source :
Physics Letters B, Physics Letters B, 2003, 569, pp.140-150, Physics Letters B, Elsevier, 2003, 569, pp.140-150
Publication Year :
2003
Publisher :
Elsevier BV, 2003.
Abstract
Exclusive production of pi and K meson pairs in two photon collisions is measured with ALEPH data collected between 1992 and 2000. Cross-sections are presented as a function of cos theta* and invariant mass, for \ cos theta* \ < 0.6 and invariant masses between 2.0 and 6.0 GeV/c(2) (2.25 and 4.0 GeV/c(2)) for pions (kaons). The shape of the distributions are found to be well described by QCD predictions but the data have a significantly higher normalization. (C) 2003 Published by Elsevier B.V.
Details
ISSN :
03702693
Volume :
569
Database :
OpenAIRE
Journal :
Physics Letters B
Accession number :
edsair.doi.dedup.....cbd4888098a2bc807b99915c6f17cc52