The two-photon width Gamma(gamma gamma) of the eta(c) meson has been measured with the L3 detector at LEP. The eta(c) is studied in the decay modes pi(+)pi(-) pi(+)pi(-), pi(+)pi(-)K(+)K(-), K(s)(0)K(+/-)pi(-/+), K(+)K(-)pi(0), pi(+)pi(-)eta, pi(+)pi(-)eta', and rho(+)rho(-) using an integrated luminosity of 140 pb(-1) at root s similar or equal to 91 GeV and of 52 pb(-1) at root s similar or equal to 183 GeV. The result is Gamma(gamma gamma)(eta(c)) = 6.9 +/- 1.7 star +/- 0.8 sys +/- 2.0(BR) keV. The Q(2) dependence of the eta(c) cross section is studied for Q(2) < 9 GeV2. It is found to be better described by a Vector Meson Dominance model form factor with a J-pole than with a rho-pole. In addition, a signal of 29 +/- 11 events is observed at the chi(c0) mass. Upper limits for the two-photon widths of the chi(c0), chi(c2) and eta(c)' are also given. (C) 1999 Elsevier Science B.V. All rights reserved.
Formation of the eta(c) in two-photon collisions at LEP / Acciarri, M; Achard, P; Adriani, O; AGUILAR BENITEZ, M; Alcaraz, J; Alemanni, G; Allaby, J; Aloisio, A; Alviggi, Mg; Ambrosi, G; Anderhub, H; Andreev, Vp; Angelescu, T; Anselmo, F; Arefiev, A; Azemoon, T; Aziz, T; Bagnaia, Paolo; Baksay, L; Balandras, A; Ball, Rc; Banerjee, S; Banerjee, S; Barczyk, A; Barillere, R; Barone, Luciano Maria; Bartalini, P; Basile, M; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; Berdugo, J; Berges, P; Bertucci, B; Betev, Bl; Bhattacharya, S; Biasini, M; Biland, A; Blaising, Jj; Blyth, Sc; Bobbink, Gj; Bohm, A; Boldizsar, L; Borgia, B; Bourilkov, D; Bourquin, M; Braccini, S; Branson, Jg; Brigljevic, V; Brochu, F; Buffini, A; Buijs, A; Burger, Jd; Burger, Wj; Busenitz, J; Button, A; Cai, Xd; Campanelli, M; Capell, M; Romeo, Gc; Carlino, G; Cartacci, Am; Casaus, J; Castellini, G; Cavallari, F; Cavallo, N; Cecchi, C; Cerrada, M; Cesaroni, F; Chamizo, M; Chang, Yh; Chaturvedi, Uk; Chemarin, M; Chen, A; Chen, G; Chen, Gm; Chen, Hf; Chen, Hs; Chereau, X; Chiefari, G; Cifarelli, J; Cindolo, F; Civinini, C; Clare, I; Clare, R; Coignet, G; Colijn, Ap; Colino, N; Costantini, S; Cotorobai, F; Cozzoni, B; DE LA CRUZ, B; Csilling, A; Cucciarelli, S; Dai, Ts; VAN DALEN, Ja; D'Abessandro, R; DE ASMUNDIS, R; Deglon, P; Degre, A; Deiters, K; DELLA VOLPE, D; Denes, P; Denotaristefani, F; DE SALVO, A; Diemoz, M; VAN DIERENDONCK, D; DI LODOVICO, F; Dionisi, C; Dittmar, M; Dominguez, A; Doria, A; Dova, Mt; Duchesneau, D; Dufournand, D; Duinker, P; Duran, I; EL MAMOUNI, H; Engler, A; Eppling, Fj; Erne, Fc; Extermann, P; Fabre, M; Faccini, R; Falagan, Ma; Falciano, S; Favara, A; Fay, J; Fedin, O; Felcini, M; Ferguson, T; Ferroni, Fernando; Fesefeldt, H; Fiandrini, E; Field, Jh; Filthaut, F; Fisher, Ph; Fisk, I; Forconi, G; Fredj, L; Freudenreich, K; Furetta, C; Galaktionov, Y; Ganguli, Sn; GARCIA ABIA, P; Gataullin, M; Gau, Ss; Gentile, Simonetta; Gheordanescu, N; Giagu, Stefano; Gong, Zf; Grenier, G; Grimm, O; Gruenewald, Mw; VAN GULIK, R; Gupta, Vk; Gurtu, A; Gutay, Lj; Haas, D; Hasan, A; Hatzifotiadou, D; Hebbeker, T; Herve, A; Hidas, P; Hirschfelder, J; Hofer, H; Holzner, G; Hoorani, H; Hou, Sr; Iashvili, I; Jin, Bn; Jones, Lw; DE JONG, P; JOSA MUTUBERRIA, I; Khan, Ra; Kamrad, D; Kaur, M; KIENZLE FOCACCI, Mn; Kim, D; Kim, Dh; Kim, Jk; Kim, Sc; Kirkby, J; Kiss, D; Kittel, W; Klimentov, A; Konig, Ac; Kopp, A; Korolko, I; Koutsenko, V; Kraber, R; Kraemer, Rw; Krenz, W; Kunin, A; Lacentre, P; DE GUEVARA, Pl; Laktineh, I; Landi, G; LASSILA PERINI, K; Laurikainen, P; Lavorato, A; Lebeau, M; Lebedev, A; Lebrun, P; Lecomte, P; Lecoq, P; LE COULTRE, P; Lee, Hj; LE GOFF, Jm; Leiste, R; Leonardi, E; Levtchenko, P; Li, C; Lin, Ch; Lin, Wt; Linde, Fl; Lista, L; Liu, Za; Lohmann, W; Longo, E; Lu, Ys; Lubelsmeyer, K; Luci, Claudio; Luckey, D; Lugnier, L; Luminari, L; Lusterman, W; Ma, Wg; Maity, M; Malgeri, L; Malinin, A; Mana, C; Mangeol, D; Marchesini, P; Marian, G; Martin, Jp; Marzano, F; Massaro, Ggg; Mazumdar, K; Mcneil, Rr; Mele, S; Merola, L; Meschini, M; Metzger, Wj; VON DER MEY, M; Migani, D; Mihul, A; Milcent, H; Mirabelli, G; Mnich, J; Mohanty, Gb; Molnar, P; Monteleoni, B; Moulik, T; Muanza, Gs; Muheim, F; Muljs, Ajm; Napolitano, M; NESSI TEDALDI, F; Newman, H; Niessen, T; Nisati, A; Nowak, H; Oh, Yd; Organtini, G; Ostonen, R; Palomares, C; Pandoulas, D; Paoletti, S; Paolucci, P; Park, Hk; Park, Ih; Pascale, G; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, F; Peach, D; Pedace, M; Pei, Yj; Pensotti, S; PERRET GALLIX, D; Petersen, B; Piccolo, D; Pieri, M; Piroue, Pa; Pistolesi, E; Plyaskin, V; Pohl, M; Pojidaev, V; Postema, H; Pothier, J; Produit, N; Prokofiev, Do; Prokofiev, D; Quartieri, J; RAHAL CALLOT, G; Rahaman, Ma; Raja, N; Ramelli, R; Rancoita, Pg; Raven, G; Razis, P; Ren, D; Rescigno, M; Reucroft, S; VAN RHEE, T; Riemann, S; Riles, K; Robohm, A; Rodin, J; Roe, Bp; Romero, L; Rosca, A; ROSIER LEES, S; Rubio, Ja; Ruschmeier, D; Rykaczewski, H; Sarkar, S; Salicio, J; Sanchez, E; Sanders, Mp; Sarakinos, Me; Schafer, C; Schegelsky, V; SCHMIDT KAERST, S; Schmitz, D; Schopper, H; Schotanus, Dj; Schwenkce, J; Schwering, G; Sciacca, C; Sciarrino, D; Seganti, A; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shumilov, E; Shvorob, A; Siedenburg, T; Son, D; Smith, B; Spillantini, P; Steuer, M; Stickland, Dp; Stone, A; Stone, H; Stoyanov, B; Straessner, A; Sudhakar, K; Sultanov, G; Sun, Lz; Suter, H; Swain, Jd; Szillasi, Z; Tang, Xw; Tauscher, L; Taylor, L; Timmermans, C; Ting, Scc; Ting, Sm; Tonwar, Sc; Toth, J; Tully, C; Tung, Kl; Uchida, Y; Ulbricht, J; Valente, E; Vesztergombi, G; Vetlitsky, I; Vicinanza, D; Viertel, G; Villa, S; Vivargent, M; Vlachos, S; Vodopianov, I; Vogel, H; Vogt, H; Vorobiev, I; Vorobyov, Aa; Vorvolakos, A; Wadhwa, M; Wallraff, W; Wang, M; Wang, Xl; Wang, Zm; Weber, A; Weber, M; Wienemann, P; Wilkens, H; Wu, Sx; Wynhoff, S; Xia, L; Xu, Zz; Yang, Bz; Yang, Cg; Yang, Hj; Yang, M; Ye, Jb; Yeh, Sc; You, Jm; Zalite, A; Zalite, Y; Zhang, Zp; Zhu, Gy; Zhu, Ry; Zichichi, A; Ziegler, F; Zilizi, G; Zoller, M.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 461:(1999), pp. 155-166. [10.1016/S0370-2693(99)00784-4]
Formation of the eta(c) in two-photon collisions at LEP
ACCIARRI M; ACHARD P; ADRIANI O; AGUILAR BENITEZ M; ALCARAZ J; ALEMANNI G; ALLABY J; ALOISIO A; ALVIGGI MG; AMBROSI G; ANDERHUB H; ANDREEV VP; ANGELESCU T; ANSELMO F; AREFIEV A; AZEMOON T; AZIZ T; BAGNAIA, Paolo ;BAKSAY L; BALANDRAS A; BALL RC; BANERJEE S; BANERJEE S; BARCZYK A; BARILLERE R; BARONE, Luciano Maria ;BARTALINI P; BASILE M; BATTISTON R; BAY A; BECATTINI F; BECKER U; BEHNER F; BERDUGO J; BERGES P; BERTUCCI B; BETEV BL; BHATTACHARYA S; BIASINI M; BILAND A; BLAISING JJ; BLYTH SC; BOBBINK GJ; BOHM A; BOLDIZSAR L; BORGIA B; BOURILKOV D; BOURQUIN M; BRACCINI S; BRANSON JG; BRIGLJEVIC V; BROCHU F; BUFFINI A; BUIJS A; BURGER JD; BURGER WJ; BUSENITZ J; BUTTON A; CAI XD; CAMPANELLI M; CAPELL M; ROMEO GC; CARLINO G; CARTACCI AM; CASAUS J; CASTELLINI G; CAVALLARI F; CAVALLO N; CECCHI C; CERRADA M; CESARONI F; CHAMIZO M; CHANG YH; CHATURVEDI UK; CHEMARIN M; CHEN A; CHEN G; CHEN GM; CHEN HF; CHEN HS; CHEREAU X; CHIEFARI G; CIFARELLI J; CINDOLO F; CIVININI C; CLARE I; CLARE R; COIGNET G; COLIJN AP; COLINO N; COSTANTINI S; COTOROBAI F; COZZONI B; DE LA CRUZ B; CSILLING A; CUCCIARELLI S; DAI TS; VAN DALEN JA; D'ABESSANDRO R; DE ASMUNDIS R; DEGLON P; DEGRE A; DEITERS K; DELLA VOLPE D; DENES P; DENOTARISTEFANI F; DE SALVO A; DIEMOZ M; VAN DIERENDONCK D; DI LODOVICO F; DIONISI C; DITTMAR M; DOMINGUEZ A; DORIA A; DOVA MT; DUCHESNEAU D; DUFOURNAND D; DUINKER P; DURAN I; EL MAMOUNI H; ENGLER A; EPPLING FJ; ERNE FC; EXTERMANN P; FABRE M; FACCINI R; FALAGAN MA; FALCIANO S; FAVARA A; FAY J; FEDIN O; FELCINI M; FERGUSON T; FERRONI, Fernando ;FESEFELDT H; FIANDRINI E; FIELD JH; FILTHAUT F; FISHER PH; FISK I; FORCONI G; FREDJ L; FREUDENREICH K; FURETTA C; GALAKTIONOV Y; GANGULI SN; GARCIA ABIA P; GATAULLIN M; GAU SS; GENTILE, Simonetta ;GHEORDANESCU N; GIAGU, Stefano ;GONG ZF; GRENIER G; GRIMM O; GRUENEWALD MW; VAN GULIK R; GUPTA VK; GURTU A; GUTAY LJ; HAAS D; HASAN A; HATZIFOTIADOU D; HEBBEKER T; HERVE A; HIDAS P; HIRSCHFELDER J; HOFER H; HOLZNER G; HOORANI H; HOU SR; IASHVILI I; JIN BN; JONES LW; DE JONG P; JOSA MUTUBERRIA I; KHAN RA; KAMRAD D; KAUR M; KIENZLE FOCACCI MN; KIM D; KIM DH; KIM JK; KIM SC; KIRKBY J; KISS D; KITTEL W; KLIMENTOV A; KONIG AC; KOPP A; KOROLKO I; KOUTSENKO V; KRABER R; KRAEMER RW; KRENZ W; KUNIN A; LACENTRE P; DE GUEVARA PL; LAKTINEH I; LANDI G; LASSILA PERINI K; LAURIKAINEN P; LAVORATO A; LEBEAU M; LEBEDEV A; LEBRUN P; LECOMTE P; LECOQ P; LE COULTRE P; LEE HJ; LE GOFF JM; LEISTE R; LEONARDI E; LEVTCHENKO P; LI C; LIN CH; LIN WT; LINDE FL; LISTA L; LIU ZA; LOHMANN W; LONGO E; LU YS; LUBELSMEYER K; LUCI, Claudio ;LUCKEY D; LUGNIER L; LUMINARI L; LUSTERMAN W; MA WG; MAITY M; MALGERI L; MALININ A; MANA C; MANGEOL D; MARCHESINI P; MARIAN G; MARTIN JP; MARZANO F; MASSARO GGG; MAZUMDAR K; MCNEIL RR; MELE S; MEROLA L; MESCHINI M; METZGER WJ; VON DER MEY M; MIGANI D; MIHUL A; MILCENT H; MIRABELLI G; MNICH J; MOHANTY GB; MOLNAR P; MONTELEONI B; MOULIK T; MUANZA GS; MUHEIM F; MULJS AJM; NAPOLITANO M; NESSI TEDALDI F; NEWMAN H; NIESSEN T; NISATI A; NOWAK H; OH YD; ORGANTINI G ;OSTONEN R; PALOMARES C; PANDOULAS D; PAOLETTI S; PAOLUCCI P; PARK HK; PARK IH; PASCALE G; PASSALEVA G; PATRICELLI S; PAUL T; PAULUZZI M; PAUS C; PAUSS F; PEACH D; PEDACE M; PEI YJ; PENSOTTI S; PERRET GALLIX D; PETERSEN B; PICCOLO D; PIERI M; PIROUE PA; PISTOLESI E; PLYASKIN V; POHL M; POJIDAEV V; POSTEMA H; POTHIER J; PRODUIT N; PROKOFIEV DO; PROKOFIEV D; QUARTIERI J; RAHAL CALLOT G; RAHAMAN MA; RAJA N; RAMELLI R; RANCOITA PG; RAVEN G; RAZIS P; REN D; RESCIGNO M; REUCROFT S; VAN RHEE T; RIEMANN S; RILES K; ROBOHM A; RODIN J; ROE BP; ROMERO L; ROSCA A; ROSIER LEES S; RUBIO JA; RUSCHMEIER D; RYKACZEWSKI H; SARKAR S; SALICIO J; SANCHEZ E; SANDERS MP; SARAKINOS ME; SCHAFER C; SCHEGELSKY V; SCHMIDT KAERST S; SCHMITZ D; SCHOPPER H; SCHOTANUS DJ; SCHWENKCE J; SCHWERING G; SCIACCA C; SCIARRINO D; SEGANTI A; SERVOLI L; SHEVCHENKO S; SHIVAROV N; SHOUTKO V; SHUMILOV E; SHVOROB A; SIEDENBURG T; SON D; SMITH B; SPILLANTINI P; STEUER M; STICKLAND DP; STONE A; STONE H; STOYANOV B; STRAESSNER A; SUDHAKAR K; SULTANOV G; SUN LZ; SUTER H; SWAIN JD; SZILLASI Z; TANG XW; TAUSCHER L; TAYLOR L; TIMMERMANS C; TING SCC; TING SM; TONWAR SC; TOTH J; TULLY C; TUNG KL; UCHIDA Y; ULBRICHT J; VALENTE E; VESZTERGOMBI G; VETLITSKY I; VICINANZA D; VIERTEL G; VILLA S; VIVARGENT M; VLACHOS S; VODOPIANOV I; VOGEL H; VOGT H; VOROBIEV I; VOROBYOV AA; VORVOLAKOS A; WADHWA M; WALLRAFF W; WANG M; WANG XL; WANG ZM; WEBER A; WEBER M; WIENEMANN P; WILKENS H; WU SX; WYNHOFF S; XIA L; XU ZZ; YANG BZ; YANG CG; YANG HJ; YANG M; YE JB; YEH SC; YOU JM; ZALITE A; ZALITE Y; ZHANG ZP; ZHU GY; ZHU RY; ZICHICHI A; ZIEGLER F; ZILIZI G; ZOLLER M.
1999
Abstract
The two-photon width Gamma(gamma gamma) of the eta(c) meson has been measured with the L3 detector at LEP. The eta(c) is studied in the decay modes pi(+)pi(-) pi(+)pi(-), pi(+)pi(-)K(+)K(-), K(s)(0)K(+/-)pi(-/+), K(+)K(-)pi(0), pi(+)pi(-)eta, pi(+)pi(-)eta', and rho(+)rho(-) using an integrated luminosity of 140 pb(-1) at root s similar or equal to 91 GeV and of 52 pb(-1) at root s similar or equal to 183 GeV. The result is Gamma(gamma gamma)(eta(c)) = 6.9 +/- 1.7 star +/- 0.8 sys +/- 2.0(BR) keV. The Q(2) dependence of the eta(c) cross section is studied for Q(2) < 9 GeV2. It is found to be better described by a Vector Meson Dominance model form factor with a J-pole than with a rho-pole. In addition, a signal of 29 +/- 11 events is observed at the chi(c0) mass. Upper limits for the two-photon widths of the chi(c0), chi(c2) and eta(c)' are also given. (C) 1999 Elsevier Science B.V. All rights reserved.
Citazione
Formation of the eta(c) in two-photon collisions at LEP / Acciarri, M; Achard, P; Adriani, O; AGUILAR BENITEZ, M; Alcaraz, J; Alemanni, G; Allaby, J; Aloisio, A; Alviggi, Mg; Ambrosi, G; Anderhub, H; Andreev, Vp; Angelescu, T; Anselmo, F; Arefiev, A; Azemoon, T; Aziz, T; Bagnaia, Paolo; Baksay, L; Balandras, A; Ball, Rc; Banerjee, S; Banerjee, S; Barczyk, A; Barillere, R; Barone, Luciano Maria; Bartalini, P; Basile, M; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; Berdugo, J; Berges, P; Bertucci, B; Betev, Bl; Bhattacharya, S; Biasini, M; Biland, A; Blaising, Jj; Blyth, Sc; Bobbink, Gj; Bohm, A; Boldizsar, L; Borgia, B; Bourilkov, D; Bourquin, M; Braccini, S; Branson, Jg; Brigljevic, V; Brochu, F; Buffini, A; Buijs, A; Burger, Jd; Burger, Wj; Busenitz, J; Button, A; Cai, Xd; Campanelli, M; Capell, M; Romeo, Gc; Carlino, G; Cartacci, Am; Casaus, J; Castellini, G; Cavallari, F; Cavallo, N; Cecchi, C; Cerrada, M; Cesaroni, F; Chamizo, M; Chang, Yh; Chaturvedi, Uk; Chemarin, M; Chen, A; Chen, G; Chen, Gm; Chen, Hf; Chen, Hs; Chereau, X; Chiefari, G; Cifarelli, J; Cindolo, F; Civinini, C; Clare, I; Clare, R; Coignet, G; Colijn, Ap; Colino, N; Costantini, S; Cotorobai, F; Cozzoni, B; DE LA CRUZ, B; Csilling, A; Cucciarelli, S; Dai, Ts; VAN DALEN, Ja; D'Abessandro, R; DE ASMUNDIS, R; Deglon, P; Degre, A; Deiters, K; DELLA VOLPE, D; Denes, P; Denotaristefani, F; DE SALVO, A; Diemoz, M; VAN DIERENDONCK, D; DI LODOVICO, F; Dionisi, C; Dittmar, M; Dominguez, A; Doria, A; Dova, Mt; Duchesneau, D; Dufournand, D; Duinker, P; Duran, I; EL MAMOUNI, H; Engler, A; Eppling, Fj; Erne, Fc; Extermann, P; Fabre, M; Faccini, R; Falagan, Ma; Falciano, S; Favara, A; Fay, J; Fedin, O; Felcini, M; Ferguson, T; Ferroni, Fernando; Fesefeldt, H; Fiandrini, E; Field, Jh; Filthaut, F; Fisher, Ph; Fisk, I; Forconi, G; Fredj, L; Freudenreich, K; Furetta, C; Galaktionov, Y; Ganguli, Sn; GARCIA ABIA, P; Gataullin, M; Gau, Ss; Gentile, Simonetta; Gheordanescu, N; Giagu, Stefano; Gong, Zf; Grenier, G; Grimm, O; Gruenewald, Mw; VAN GULIK, R; Gupta, Vk; Gurtu, A; Gutay, Lj; Haas, D; Hasan, A; Hatzifotiadou, D; Hebbeker, T; Herve, A; Hidas, P; Hirschfelder, J; Hofer, H; Holzner, G; Hoorani, H; Hou, Sr; Iashvili, I; Jin, Bn; Jones, Lw; DE JONG, P; JOSA MUTUBERRIA, I; Khan, Ra; Kamrad, D; Kaur, M; KIENZLE FOCACCI, Mn; Kim, D; Kim, Dh; Kim, Jk; Kim, Sc; Kirkby, J; Kiss, D; Kittel, W; Klimentov, A; Konig, Ac; Kopp, A; Korolko, I; Koutsenko, V; Kraber, R; Kraemer, Rw; Krenz, W; Kunin, A; Lacentre, P; DE GUEVARA, Pl; Laktineh, I; Landi, G; LASSILA PERINI, K; Laurikainen, P; Lavorato, A; Lebeau, M; Lebedev, A; Lebrun, P; Lecomte, P; Lecoq, P; LE COULTRE, P; Lee, Hj; LE GOFF, Jm; Leiste, R; Leonardi, E; Levtchenko, P; Li, C; Lin, Ch; Lin, Wt; Linde, Fl; Lista, L; Liu, Za; Lohmann, W; Longo, E; Lu, Ys; Lubelsmeyer, K; Luci, Claudio; Luckey, D; Lugnier, L; Luminari, L; Lusterman, W; Ma, Wg; Maity, M; Malgeri, L; Malinin, A; Mana, C; Mangeol, D; Marchesini, P; Marian, G; Martin, Jp; Marzano, F; Massaro, Ggg; Mazumdar, K; Mcneil, Rr; Mele, S; Merola, L; Meschini, M; Metzger, Wj; VON DER MEY, M; Migani, D; Mihul, A; Milcent, H; Mirabelli, G; Mnich, J; Mohanty, Gb; Molnar, P; Monteleoni, B; Moulik, T; Muanza, Gs; Muheim, F; Muljs, Ajm; Napolitano, M; NESSI TEDALDI, F; Newman, H; Niessen, T; Nisati, A; Nowak, H; Oh, Yd; Organtini, G; Ostonen, R; Palomares, C; Pandoulas, D; Paoletti, S; Paolucci, P; Park, Hk; Park, Ih; Pascale, G; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, F; Peach, D; Pedace, M; Pei, Yj; Pensotti, S; PERRET GALLIX, D; Petersen, B; Piccolo, D; Pieri, M; Piroue, Pa; Pistolesi, E; Plyaskin, V; Pohl, M; Pojidaev, V; Postema, H; Pothier, J; Produit, N; Prokofiev, Do; Prokofiev, D; Quartieri, J; RAHAL CALLOT, G; Rahaman, Ma; Raja, N; Ramelli, R; Rancoita, Pg; Raven, G; Razis, P; Ren, D; Rescigno, M; Reucroft, S; VAN RHEE, T; Riemann, S; Riles, K; Robohm, A; Rodin, J; Roe, Bp; Romero, L; Rosca, A; ROSIER LEES, S; Rubio, Ja; Ruschmeier, D; Rykaczewski, H; Sarkar, S; Salicio, J; Sanchez, E; Sanders, Mp; Sarakinos, Me; Schafer, C; Schegelsky, V; SCHMIDT KAERST, S; Schmitz, D; Schopper, H; Schotanus, Dj; Schwenkce, J; Schwering, G; Sciacca, C; Sciarrino, D; Seganti, A; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shumilov, E; Shvorob, A; Siedenburg, T; Son, D; Smith, B; Spillantini, P; Steuer, M; Stickland, Dp; Stone, A; Stone, H; Stoyanov, B; Straessner, A; Sudhakar, K; Sultanov, G; Sun, Lz; Suter, H; Swain, Jd; Szillasi, Z; Tang, Xw; Tauscher, L; Taylor, L; Timmermans, C; Ting, Scc; Ting, Sm; Tonwar, Sc; Toth, J; Tully, C; Tung, Kl; Uchida, Y; Ulbricht, J; Valente, E; Vesztergombi, G; Vetlitsky, I; Vicinanza, D; Viertel, G; Villa, S; Vivargent, M; Vlachos, S; Vodopianov, I; Vogel, H; Vogt, H; Vorobiev, I; Vorobyov, Aa; Vorvolakos, A; Wadhwa, M; Wallraff, W; Wang, M; Wang, Xl; Wang, Zm; Weber, A; Weber, M; Wienemann, P; Wilkens, H; Wu, Sx; Wynhoff, S; Xia, L; Xu, Zz; Yang, Bz; Yang, Cg; Yang, Hj; Yang, M; Ye, Jb; Yeh, Sc; You, Jm; Zalite, A; Zalite, Y; Zhang, Zp; Zhu, Gy; Zhu, Ry; Zichichi, A; Ziegler, F; Zilizi, G; Zoller, M.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 461:(1999), pp. 155-166. [10.1016/S0370-2693(99)00784-4]
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