Measurement of the Generalized Polarizabilities of the Proton in Virtual Scattering at Q2=0.92 and 1.76 GeV2: I. Low Energy Expansion Analysis

S. Jaminion,N. Degrande,G. Laveissiere,C. Jutier,L. Todor,R. Di Salvo,L. Van Hoorebeke,L. C. Alexa,B. D. Anderson,K. A. Aniol,K. Arundell, G. Audit,L. Auerbach,F. T. Baker,M. Baylac,J. Berthot,P. Y. Bertin, W. Bertozzi,L. Bimbot,E. J. Brash,V. Breton,H. Breuer,E. Burtin,J. R. Calarco,L. S. Cardman,C. Cavata,C.-C. Chang,E. Chudakov,E. Cisbani,C. W. de Jager,A. Deur,N. d'Hose, G. E. Dodge,J. J. Domingo,L. Elouadrhiri,M. B. Epstein,L. A. Ewell,J. M. Finn,K. G. Fissum,H. Fonvieille,G. Fournier,B. Frois,S. Frullani,C. Furget, H. Gao,J. Gao,F. Garibaldi,A. Gasparian,S. Gilad,R. Gilman,A. Glamazdin, C. Glashausser,J. Gomez,V. Gorbenko,P. Grenier,P. A. M. Guichon,J. O. Hansen,R. Holmes,M. Holtrop,C. Howell,G. M. Huber,C. E. Hyde-Wright,S. Incerti,M. Iodice,J. Jardillier,M. K. Jones,W. Kahl,S. Kato,A. T. Katramatou, J. J. Kelly,S. Kerhoas,A. Ketikyan,M. Khayat,K. Kino,S. Kox, L. H. Kramer,K. S. Kumar,G. Kumbartzki,M. Kuss,A. Leone,J. J. LeRose,M. Liang,R. A. Lindgren,N. Liyanage,G. J. Lolos,R. W. Lourie,R. Madey,K. Maeda,S. Malov,D. M. Manley,C. Marchand,D. Marchand,D. J. Margaziotis,P. Markowitz,J. Marroncle,J. Martino,C. J. Martoff,K. McCormick,J. McIntyre,S. Mehrabyan,F. Merchez,Z. E. Meziani, R. Michaels,G. W. Miller,J. Y. Mougey,S. K. Nanda,D. Neyret,E. A. J. M. Offermann,Z. Papandreou,C. F. Perdrisat, R. Perrino,G. G. Petratos,S. Platchkov,R. Pomatsalyuk,D. L. Prout,V. A. Punjabi,T. Pussieux,G. Quemener,R. D. Ransome,O. Ravel,J. S. Real,F. Renard,Y. Roblin,D. Rowntree,G. Rutledge,P. M. Rutt,A. Saha,T. Saito,A. J. Sarty,A. Serdarevic,T. Smith, G. Smirnov,K. Soldi,P. Sorokin,P. A. Souder,R. Suleiman,J. A. Templon,T. Terasawa,R. Tieulent,E. Tomasi-Gustaffson,H. Tsubota,H. Ueno,G. M. Urciuoli,R. L. J. Van der Meer,P. Vernin,B. Vlahovic,H. Voskanyan,E. Voutier,J. W. Watson,L. B. Weinstein,K. Wijesooriya,R. Wilson,B. B. Wojtsekhowski,D. G. Zainea, J. Zhao,Z.-L. Zhou,Universite Blaise Pascal,S OA

Physical Review Letters(2003)

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摘要
Virtual Compton Scattering is studied at the Thomas Jefferson National Accelerator Facility at low Center-of-Mass energies, below pion threshold. Following the Low Energy Theorem for the $ ep \to ep \gamma$ process, we obtain values for the two structure functions Pll-Ptt/epsilon and Plt at four-momentum transfer squared Q2=0.92 and 1.76 GeV2.
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关键词
gamma process,center of mass,pions,compton effect,scattering,momentum transfer,structure function,particle accelerators,protons
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