Measurement of radiative Bhabha and quasi-real Compton scattering

Acciarri, M; Adriani, O; Aguilar Benitez, M; Ahlen, S; 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; Banerjee, S; Banerjee, S; Banicz, K; Barczyk, A; Barillere, R; Barone, Luciano Maria; Bartalini, P; Baschirotto, A; 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; Bilei, Gm; Blaising, Jj; Blyth, Sc; Bobbink, Gj; Bock, R; Bohm, A; Boldizsar, L; Borgia, B; Bourilkov, D; Bourquin, M; Braccini, S; Branson, Jg; Brigljevic, V; Brock, Ic; 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; Chien, Cy; Cifarelli, L; Cindolo, F; Civinini, C; Clare, I; Clare, R; Coignet, G; Colijn, Ap; Colino, N; Costantini, S; Cotorobai, F; De La Cruz, B; Csilling, A; Dai, Ts; D'Alessandro, R; De Asmundis, R; Degre, A; Deiters, K; Della Volpe, D; Denes, P; Denotaristefani, F; Diemoz, M; Van Dierendonck, D; Di Lodovico, F; Dionisi, C; Dittmar, M; Dominguez, A; Doria, A; Dova, Mt; Duchesneau, D; Duinker, P; Duran, I; Easo, S; El Mamouni, H; Engler, A; Eppling, Fj; Erne, Fc; Ernenwein, Jp; Extermann, P; Fabre, M; Faccini, Riccardo; 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; Goldfarb, S; Goldstein, J; Gong, Zf; Gougas, A; Gratta, G; Grunewald, Mw; Van Gulik, R; Gupta, Vk; Gurtu, A; Gutay, Lj; Haas, D; Hartmann, B; Hasan, A; Hatzifotiadou, D; Hebbeker, T; Herve, A; Hidas, P; Hirschfelder, J; Van Hoek Wc,; Hofer, H; Hoorani, H; Hou, Sr; G, Hu; Iashvili, I; Jin, Bn; Jones, Lw; De Jong, P; Josa Mutuberria, I; Khan, Ra; Kamrad, D; Kapustinsky, Js; Kaur, M; Kienzle Focacci Mn,; Kim, D; Kim, Dh; Kim, Jk; Kim, Sc; Kinnison, Ww; Kirkby, A; Kirkby, D; Kirkby, J; Kiss, D; Kittel, W; Klimentov, A; Konig, Ac; Kopp, A; Korolko, I; Koutsenko, V; Kraemer, Rw; Krenz, W; Kunin, A; Lacentre, P; De Guevara Pl,; Laktineh, I; Landi, G; Lapoint, C; 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; C, Li; Lin, Wt; Linde, Fl; Lista, L; Liu, Za; Lohmann, W; Longo, E; W, Lu; Ys, Lu; Lubelsmeyer, K; Luci, Claudio; Luckey, D; Luminari, L; Lustermann, W; Wg, Ma; Maity, M; Majumder, G; Malgeri, L; Malinin, A; Mana, C; Mangeol, D; Marchesini, P; Marian, G; Marin, A; Martin, Jp; Marzano, F; Ggg, Massaro; Mazumdar, K; Mcneil, Rr; Mele, S; Merola, L; Meschini, M; Metzger, Wj; Von Der Mey, M; Migani, D; Mihul, A; Van Mil Ajw,; Milcent, H; Mirabelli, G; Mnich, J; Molnar, P; Monteleoni, B; Moore, R; Moulik, T; Mount, R; Mulheim, F; Ajm, Muijs; Nahn, S; Napolitano, M; Nessi Tedaldi, F; Newman, H; Niessen, T; Nippe, A; Nisati, A; Nowak, H; Yd, Oh; Organtini, G; Ostonen, R; Palit, S; 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; Pei, Yj; Pensotti, S; Perret Gallix, D; Petersen, B; Petrak, S; Pevsner, A; Piccolo, D; Pieri, M; Piroue, Pa; Pistolesi, E; Plyaskin, V; Pohl, M; Pojidaev, V; Postema, H; Pothier, J; Produit, N; Quartieri, J; Rahal Callot, G; Raja, N; Rancoita, Pg; Rattaggi, M; 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; Rosier Lees, S; Roth, S; Rubio, Ja; Ruschmeier, D; Rykaczewski, H; Salicio, J; Sanchez, E; Sanders, Mp; Sarakinos, Me; Schafer, C; Schegelsky, V; Schmidt Kaerst, S; Schmitz, D; Scholz, N; Schopper, H; Schotanus, Dj; Schwenke, J; Schwering, G; Sciacca, C; Sciarrino, D; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shukla, J; 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; Susinno, Gf; Suter, H; Swain, Jd; Tang, Xw; Tauscher, L; Taylor, L; Timmermans, C; Scc, Ting; Ting, Sm; Tonwar, Sc; Toth, J; Tully, C; Tung, Kl; Uchida, Y; Ulbricht, J; Valente, E; Vesztergombi, G; Vetlitsky, I; Viertel, G; Vivargent, M; Vlachos, S; Vogel, H; Vogt, H; Vorobiev, I; Vorobyov, Aa; Vorvolakos, A; Madhwa, M; Wallraff, W; Wang, Jc; Wang, Xl; Wang, Zm; Weber, A; Sx, Wu; Wynhoff, S; J, Xu; Zz, Xu; Yang, Bz; Yang, Cg; Yang, Hj; Yang, M; Jb, Ye; Yeh, Sc; You, Jm; Zalite, A; Zalite, Y; Zemp, P; Zeng, Y; Zhang, Zp; Zhou, B; Zhu, Gy; Zhu, Ry; Zichichi, A; Ziegler, F; Zilizi, G.

doi:10.1016/S0370-2693(98)01173-3

We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50 GeV and 170 GeV, and 20 GeV and 140 GeV, respectively, using the L3 detector at LEP. The analysis is based on data corresponding to an integrated luminosity of 232.2pb(-1). A total of 2856 radiative Bhabha and 4641 Compton scattering events are collected. Total and differential cross sections for both reactions are presented and found to be in good agreement with QED expectations. Our measurement of Compton scattering at the highest energies obtained so far is used to derive exclusion limits on the coupling lambda for the on-shell production of an excited electron e* decaying into a gamma e pair in the mass range 20 GeV < m(e*) < 170 GeV. (C) 1998 Published by Elsevier Science B.V. All rights reserved.

Measurement of radiative Bhabha and quasi-real Compton scattering / Acciarri, M., Adriani, O., AGUILAR BENITEZ, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alviggi, M.g., Ambrosi, G., Anderhub, H., Andreev, V.p., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Banerjee, S., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 439:(1998), pp. 183-196. [10.1016/S0370-2693(98)01173-3]

Measurement of radiative Bhabha and quasi-real Compton scattering

ACCIARRI M;ADRIANI O;AGUILAR BENITEZ M;AHLEN S;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;BANERJEE S;BANERJEE S;BANICZ K;BARCZYK A;BARILLERE R;BARONE, Luciano Maria;BARTALINI P;BASCHIROTTO A;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;BILEI GM;BLAISING JJ;BLYTH SC;BOBBINK GJ;BOCK R;BOHM A;BOLDIZSAR L;BORGIA B;BOURILKOV D;BOURQUIN M;BRACCINI S;BRANSON JG;BRIGLJEVIC V;BROCK IC;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;CHIEN CY;CIFARELLI L;CINDOLO F;CIVININI C;CLARE I;CLARE R;COIGNET G;COLIJN AP;COLINO N;COSTANTINI S;COTOROBAI F;DE LA CRUZ B;CSILLING A;DAI TS;D'ALESSANDRO R;DE ASMUNDIS R;DEGRE A;DEITERS K;DELLA VOLPE D;DENES P;DENOTARISTEFANI F;DIEMOZ M;VAN DIERENDONCK D;DI LODOVICO F;DIONISI C;DITTMAR M;DOMINGUEZ A;DORIA A;DOVA MT;DUCHESNEAU D;DUINKER P;DURAN I;EASO S;EL MAMOUNI H;ENGLER A;EPPLING FJ;ERNE FC;ERNENWEIN JP;EXTERMANN P;FABRE M;FACCINI, Riccardo;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;GOLDFARB S;GOLDSTEIN J;GONG ZF;GOUGAS A;GRATTA G;GRUNEWALD MW;VAN GULIK R;GUPTA VK;GURTU A;GUTAY LJ;HAAS D;HARTMANN B;HASAN A;HATZIFOTIADOU D;HEBBEKER T;HERVE A;HIDAS P;HIRSCHFELDER J;VAN HOEK WC;HOFER H;HOORANI H;HOU SR;HU G;IASHVILI I;JIN BN;JONES LW;DE JONG P;JOSA MUTUBERRIA I;KHAN RA;KAMRAD D;KAPUSTINSKY JS;KAUR M;KIENZLE FOCACCI MN;KIM D;KIM DH;KIM JK;KIM SC;KINNISON WW;KIRKBY A;KIRKBY D;KIRKBY J;KISS D;KITTEL W;KLIMENTOV A;KONIG AC;KOPP A;KOROLKO I;KOUTSENKO V;KRAEMER RW;KRENZ W;KUNIN A;LACENTRE P;DE GUEVARA PL;LAKTINEH I;LANDI G;LAPOINT C;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 WT;LINDE FL;LISTA L;LIU ZA;LOHMANN W;LONGO E;LU W;LU YS;LUBELSMEYER K;LUCI, Claudio;LUCKEY D;LUMINARI L;LUSTERMANN W;MA WG;MAITY M;MAJUMDER G;MALGERI L;MALININ A;MANA C;MANGEOL D;MARCHESINI P;MARIAN G;MARIN A;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;VAN MIL AJW;MILCENT H;MIRABELLI G;MNICH J;MOLNAR P;MONTELEONI B;MOORE R;MOULIK T;MOUNT R;MULHEIM F;MUIJS AJM;NAHN S;NAPOLITANO M;NESSI TEDALDI F;NEWMAN H;NIESSEN T;NIPPE A;NISATI A;NOWAK H;OH YD;ORGANTINI G;OSTONEN R;PALIT S;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;PEI YJ;PENSOTTI S;PERRET GALLIX D;PETERSEN B;PETRAK S;PEVSNER A;PICCOLO D;PIERI M;PIROUE PA;PISTOLESI E;PLYASKIN V;POHL M;POJIDAEV V;POSTEMA H;POTHIER J;PRODUIT N;QUARTIERI J;RAHAL CALLOT G;RAJA N;RANCOITA PG;RATTAGGI M;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;ROSIER LEES S;ROTH S;RUBIO JA;RUSCHMEIER D;RYKACZEWSKI H;SALICIO J;SANCHEZ E;SANDERS MP;SARAKINOS ME;SCHAFER C;SCHEGELSKY V;SCHMIDT KAERST S;SCHMITZ D;SCHOLZ N;SCHOPPER H;SCHOTANUS DJ;SCHWENKE J;SCHWERING G;SCIACCA C;SCIARRINO D;SERVOLI L;SHEVCHENKO S;SHIVAROV N;SHOUTKO V;SHUKLA J;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;SUSINNO GF;SUTER H;SWAIN JD;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;VIERTEL G;VIVARGENT M;VLACHOS S;VOGEL H;VOGT H;VOROBIEV I;VOROBYOV AA;VORVOLAKOS A;MADHWA M;WALLRAFF W;WANG JC;WANG XL;WANG ZM;WEBER A;WU SX;WYNHOFF S;XU J;XU ZZ;YANG BZ;YANG CG;YANG HJ;YANG M;YE JB;YEH SC;YOU JM;ZALITE A;ZALITE Y;ZEMP P;ZENG Y;ZHANG ZP;ZHOU B;ZHU GY;ZHU RY;ZICHICHI A;ZIEGLER F;ZILIZI G.

1998

Abstract

We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50 GeV and 170 GeV, and 20 GeV and 140 GeV, respectively, using the L3 detector at LEP. The analysis is based on data corresponding to an integrated luminosity of 232.2pb(-1). A total of 2856 radiative Bhabha and 4641 Compton scattering events are collected. Total and differential cross sections for both reactions are presented and found to be in good agreement with QED expectations. Our measurement of Compton scattering at the highest energies obtained so far is used to derive exclusion limits on the coupling lambda for the on-shell production of an excited electron e* decaying into a gamma e pair in the mass range 20 GeV < m(e*) < 170 GeV. (C) 1998 Published by Elsevier Science B.V. All rights reserved.

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				1998
			
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				01 Pubblicazione su rivista::01a Articolo in rivista
			
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				Measurement of radiative Bhabha and quasi-real Compton scattering / Acciarri, M., Adriani, O., AGUILAR BENITEZ, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alviggi, M.g., Ambrosi, G., Anderhub, H., Andreev, V.p., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Banerjee, S., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 439:(1998), pp. 183-196. [10.1016/S0370-2693(98)01173-3]
			
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				01a Articolo in rivista

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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/241676

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