A search for the decays B-d,s(0) --> gamma gamma in 2.95 million hadronic Z decays has been performed using the L3 detector at LEP. No candidates are found in the signal region and upper limits have been set on the branching ratios: Br(B-d(0) --> gamma gamma) < 3.9 x 10(-5) and Br(B-s(0) --> gamma gamma) < 14.8 x 10(-5) at 90% CL. These are the first limits set on these exclusive rare decays.

Search For the Decays B-d(0)-]gamma-gamma and B-s(0)-]gamma-gamma / Acciarri, M; Adam, A; Adriani, O; Aguilarbenitez, M; Ahlen, S; Alpat, B; Alcaraz, J; Allaby, J; Aloisio, A; Alverson, G; Alviggi, Mg; Ambrosi, G; Anderhub, H; Andreev, Vp; Angelescu, T; Antreasyan, D; Arefiev, A; Azemoon, T; Aziz, T; Bagnaia, Paolo; Baksay, L; Ball, Rc; Banerjee, S; Banicz, K; Barillere, R; Barone, Luciano Maria; Bartalini, P; Baschirotto, A; Basile, M; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; Bencze, Gl; Berdugo, J; Berges, P; Bertucci, B; Betev, Bl; Biasini, M; Biland, A; Bilei, Gm; Bizzarri, R; Blaising, Jj; Bobbink, Gj; Bock, R; Bohm, A; Borgia, B; Boucham, A; Bourilkov, D; Bourquin, M; Boutigny, D; Brambilla, E; Branson, Jg; Brigljevic, V; Brock, Ic; Buijs, A; Bujak, A; Burger, Jd; Burger, Wj; Burgos, C; Busenitz, J; Buytenhuijs, A; Cai, Xd; Capell, M; Romeo, Gc; Caria, M; Carlino, G; Cartacci, Am; Casaus, J; Castellini, G; Castello, R; Cavallari, F; Cavallo, N; Cecchi, C; Cerrada, M; Cesaroni, F; Chamizo, M; Chan, A; Chang, Yh; Chaturvedi, Uk; Chemarin, M; Chen, A; Chen, C; Chen, G; Chen, Gm; Chen, Hf; Chen, Hs; Chen, M; Chiefari, G; Chien, Cy; Choi, Mt; Cifarelli, L; Cindolo, F; Civinini, C; Clare, I; Clare, R; Coan, Te; Cohn, Ho; Coignet, G; Colijn, Ap; Colino, N; Commichau, V; Costantini, S; Cotorobai, F; Delacruz, B; Dai, Ts; Dalessandro, R; Deasmundis, R; Deboeck, H; Degre, A; Deiters, K; Denes, E; Denes, P; Denotaristefani, F; Dibitonto, D; Diemoz, M; Vandierendonck, D; Dilodovico, F; Dionisi, C; Dittmar, M; Dominguez, A; Doria, A; Dorne, I; Dova, Mt; Drago, E; Duchesneau, D; Duinker, P; Duran, I; Dutta, S; Easo, S; Efremenko, Y; Elmamouni, H; Engler, A; Eppling, Fj; Erne, Fc; Ernenwein, Jp; Extermann, P; Fabbretti, R; Fabre, M; Faccini, R; Falciano, S; Favara, A; Fay, J; Felcini, M; Ferguson, T; Fernandez, D; Fernandez, G; Ferroni, Fernando; Fesefeldt, H; Fiandrini, E; Field, Jh; Filthaut, F; Fisher, Ph; Forconi, G; Fredj, L; Freudenreich, K; Gailloud, M; Galaktionov, Y; Ganguli, Sn; Garciaabia, P; Gau, Ss; Gentile, Simonetta; Gerald, J; Gheordanescu, N; Giagu, Stefano; Goldfarb, S; Goldstein, J; Gong, Zf; Gonzalez, E; Gougas, A; Goujon, D; Gratta, G; Gruenewald, Mw; Gupta, Vk; Gurtu, A; Gustafson, Hr; Gutay, Lj; Hartmann, B; Hasan, A; He, Jt; Hebbeker, T; Herve, A; Hilgers, K; Vanhoek, Wc; Hofer, H; Hoorani, H; Hou, Sr; Hu, G; Ilyas, Mm; Innocente, V; Janssen, H; Jin, Bn; Jones, Lw; Dejong, P; Josamutuberria, I; Kasser, A; Khan, Ra; Kamyshkov, Y; Kapinos, P; Kapustinsky, Js; Karyotakis, Y; Kaur, M; Kienzlefocacci, Mn; Kim, D; Kim, Jk; Kim, Sc; Kim, Yg; Kinnison, Ww; Kirkby, A; Kirkby, D; Kirkby, J; Kittel, W; Klimentov, A; Konig, Ac; Koffeman, E; Kornadt, O; Koutsenko, V; Koulbardis, A; Kraemer, Rw; Kramer, T; Krenz, W; Kuijten, H; Kunin, A; Deguevara, Pl; Landi, G; Lapoint, C; Lassilaperini, K; Laurikainen, P; Lebeau, M; Lebedev, A; Lebrun, P; Lecomte, P; Lecoq, P; Lecoultre, P; Lee, Js; Lee, Ky; Leggett, C; Legoff, Jm; Leiste, R; Lenti, M; Leonardi, E; Levtchenko, P; Li, C; Lieb, E; Lin, Wt; Linde, Fl; Lindemann, B; Lista, L; Liu, Za; Lohmann, W; Longo, E; Lu, W; Lu, Ys; Lubelsmeyer, K; Luci, Claudio; Luckey, D; Ludovici, L; Luminari, L; Lustermann, W; Ma, Wg; Macchiolo, A; Maity, M; Malgeri, L; Malinin, A; Mana, C; Mangla, S; Maolinbay, M; Marchesini, P; Marin, A; Martin, Jp; Marzano, F; Massaro, Ggg; Mazumdar, K; Mcnally, D; Mele, S; Merola, L; Meschini, M; Metzger, Wj; Mi, Y; Mihul, A; Vanmil, Ajw; Mirabelli, G; Mnich, J; Moller, M; Monteleoni, B; Moore, R; Morand, R; Morganti, S; Mount, R; Muller, S; Muheim, F; Nagy, E; Nahn, S; Napolitano, M; Nessitedaldi, F; Newman, H; Nippe, A; Nowak, H; Organtini, Giovanni; Ostonen, R; Pandoulas, D; Paoletti, S; Paolucci, P; Pascale, G; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, F; Pei, Yj; Pensotti, S; Perretgallix, D; Petrak, S; Pevsner, A; Piccolo, D; Pieri, M; Pinto, Jc; Piroue, Pa; Pistolesi, E; Plyaskin, V; Pohl, M; Pojidaev, V; Postema, H; Produit, N; Raghavan, R; Rahalcallot, G; Rancoita, Pg; Rattaggi, M; Raven, G; Razis, P; Read, K; Redaelli, M; Ren, D; Rescigno, M; Reucroft, S; Ricker, A; Riemann, S; Riemers, Bc; Riles, K; Rind, O; Ro, S; Robohm, A; Rodin, J; Rodriguez, Fj; Roe, Bp; Rohner, M; Rohner, S; Romero, L; Rosierlees, S; Rosselet, P; Vanrossum, W; Roth, S; Rubio, Ja; Rykaczewski, H; Salicio, J; Salicio, Jm; Sanchez, E; Santocchia, A; Sarakinos, Me; Sarkar, S; Sassowsky, M; Sauvage, G; Schafer, C; Schegelsky, V; Schmitz, D; Schmitz, P; Schneegans, M; Schoeneich, B; Scholz, N; Schopper, H; Schotanus, Dj; Schulte, R; Schultze, K; Schwenke, J; Schwering, G; Sciacca, C; Seiler, Pg; Sens, Jc; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shukla, J; Shumilov, E; Son, D; Sopczak, A; Soulimov, V; Smith, B; Spickermann, T; Spillantini, P; Steuer, M; Stickland, Dp; Sticozzi, F; Stone, H; Stoyanov, B; Strauch, K; Sudhakar, K; Sultanov, G; Sun, Lz; Susinno, Gf; Suter, H; Swain, Jd; Tang, Xw; Tauscher, L; Taylor, L; Ting, Scc; Ting, Sm; Toker, O; Tonisch, F; Tonutti, M; Tonwar, Sc; Toth, J; Tsaregorodtsev, A; Tsipolitis, G; Tully, C; Tuchscherer, H; Ulbricht, J; Urban, L; Uwer, U; Valente, E; Vandewalle, Rt; Vetlitsky, I; Viertel, G; Vivargent, M; Volkert, R; Vogel, H; Vogt, H; Vorobiev, I; Vorobyov, Aa; Vorobyov, Aa; Vuilleumier, L; Wadhwa, M; Wallraff, W; Wang, Jc; Wang, Xl; Wang, Yf; Wang, Zm; Weber, A; Weill, R; Willmott, C; Wittgenstein, F; Wu, Sx; Wynhoff, S; Xu, J; Xu, Zz; Yang, Bz; Yang, Cg; Yao, Xy; Ye, Jb; Yeh, Sc; You, Jm; Zaccardelli, C; Zalite, A; Zemp, P; Zeng, Jy; Zeng, Y; Zhang, Z; Zhang, Zp; Zhou, B; Zhou, Gj; Zhou, Jf; Zhou, Y; Zhu, Gy; Zhu, Ry; Zichichi, A; Vanderzwaan, Bcc. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 363:(1995), pp. 137-144. [10.1016/0370-2693(95)01224-E]

Search For the Decays B-d(0)-]gamma-gamma and B-s(0)-]gamma-gamma

BAGNAIA, Paolo;BARONE, Luciano Maria;FACCINI R;FERRONI, Fernando;GENTILE, Simonetta;GIAGU, Stefano;LUCI, Claudio;ORGANTINI, Giovanni;
1995

Abstract

A search for the decays B-d,s(0) --> gamma gamma in 2.95 million hadronic Z decays has been performed using the L3 detector at LEP. No candidates are found in the signal region and upper limits have been set on the branching ratios: Br(B-d(0) --> gamma gamma) < 3.9 x 10(-5) and Br(B-s(0) --> gamma gamma) < 14.8 x 10(-5) at 90% CL. These are the first limits set on these exclusive rare decays.
1995
01 Pubblicazione su rivista::01a Articolo in rivista
Search For the Decays B-d(0)-]gamma-gamma and B-s(0)-]gamma-gamma / Acciarri, M; Adam, A; Adriani, O; Aguilarbenitez, M; Ahlen, S; Alpat, B; Alcaraz, J; Allaby, J; Aloisio, A; Alverson, G; Alviggi, Mg; Ambrosi, G; Anderhub, H; Andreev, Vp; Angelescu, T; Antreasyan, D; Arefiev, A; Azemoon, T; Aziz, T; Bagnaia, Paolo; Baksay, L; Ball, Rc; Banerjee, S; Banicz, K; Barillere, R; Barone, Luciano Maria; Bartalini, P; Baschirotto, A; Basile, M; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; Bencze, Gl; Berdugo, J; Berges, P; Bertucci, B; Betev, Bl; Biasini, M; Biland, A; Bilei, Gm; Bizzarri, R; Blaising, Jj; Bobbink, Gj; Bock, R; Bohm, A; Borgia, B; Boucham, A; Bourilkov, D; Bourquin, M; Boutigny, D; Brambilla, E; Branson, Jg; Brigljevic, V; Brock, Ic; Buijs, A; Bujak, A; Burger, Jd; Burger, Wj; Burgos, C; Busenitz, J; Buytenhuijs, A; Cai, Xd; Capell, M; Romeo, Gc; Caria, M; Carlino, G; Cartacci, Am; Casaus, J; Castellini, G; Castello, R; Cavallari, F; Cavallo, N; Cecchi, C; Cerrada, M; Cesaroni, F; Chamizo, M; Chan, A; Chang, Yh; Chaturvedi, Uk; Chemarin, M; Chen, A; Chen, C; Chen, G; Chen, Gm; Chen, Hf; Chen, Hs; Chen, M; Chiefari, G; Chien, Cy; Choi, Mt; Cifarelli, L; Cindolo, F; Civinini, C; Clare, I; Clare, R; Coan, Te; Cohn, Ho; Coignet, G; Colijn, Ap; Colino, N; Commichau, V; Costantini, S; Cotorobai, F; Delacruz, B; Dai, Ts; Dalessandro, R; Deasmundis, R; Deboeck, H; Degre, A; Deiters, K; Denes, E; Denes, P; Denotaristefani, F; Dibitonto, D; Diemoz, M; Vandierendonck, D; Dilodovico, F; Dionisi, C; Dittmar, M; Dominguez, A; Doria, A; Dorne, I; Dova, Mt; Drago, E; Duchesneau, D; Duinker, P; Duran, I; Dutta, S; Easo, S; Efremenko, Y; Elmamouni, H; Engler, A; Eppling, Fj; Erne, Fc; Ernenwein, Jp; Extermann, P; Fabbretti, R; Fabre, M; Faccini, R; Falciano, S; Favara, A; Fay, J; Felcini, M; Ferguson, T; Fernandez, D; Fernandez, G; Ferroni, Fernando; Fesefeldt, H; Fiandrini, E; Field, Jh; Filthaut, F; Fisher, Ph; Forconi, G; Fredj, L; Freudenreich, K; Gailloud, M; Galaktionov, Y; Ganguli, Sn; Garciaabia, P; Gau, Ss; Gentile, Simonetta; Gerald, J; Gheordanescu, N; Giagu, Stefano; Goldfarb, S; Goldstein, J; Gong, Zf; Gonzalez, E; Gougas, A; Goujon, D; Gratta, G; Gruenewald, Mw; Gupta, Vk; Gurtu, A; Gustafson, Hr; Gutay, Lj; Hartmann, B; Hasan, A; He, Jt; Hebbeker, T; Herve, A; Hilgers, K; Vanhoek, Wc; Hofer, H; Hoorani, H; Hou, Sr; Hu, G; Ilyas, Mm; Innocente, V; Janssen, H; Jin, Bn; Jones, Lw; Dejong, P; Josamutuberria, I; Kasser, A; Khan, Ra; Kamyshkov, Y; Kapinos, P; Kapustinsky, Js; Karyotakis, Y; Kaur, M; Kienzlefocacci, Mn; Kim, D; Kim, Jk; Kim, Sc; Kim, Yg; Kinnison, Ww; Kirkby, A; Kirkby, D; Kirkby, J; Kittel, W; Klimentov, A; Konig, Ac; Koffeman, E; Kornadt, O; Koutsenko, V; Koulbardis, A; Kraemer, Rw; Kramer, T; Krenz, W; Kuijten, H; Kunin, A; Deguevara, Pl; Landi, G; Lapoint, C; Lassilaperini, K; Laurikainen, P; Lebeau, M; Lebedev, A; Lebrun, P; Lecomte, P; Lecoq, P; Lecoultre, P; Lee, Js; Lee, Ky; Leggett, C; Legoff, Jm; Leiste, R; Lenti, M; Leonardi, E; Levtchenko, P; Li, C; Lieb, E; Lin, Wt; Linde, Fl; Lindemann, B; Lista, L; Liu, Za; Lohmann, W; Longo, E; Lu, W; Lu, Ys; Lubelsmeyer, K; Luci, Claudio; Luckey, D; Ludovici, L; Luminari, L; Lustermann, W; Ma, Wg; Macchiolo, A; Maity, M; Malgeri, L; Malinin, A; Mana, C; Mangla, S; Maolinbay, M; Marchesini, P; Marin, A; Martin, Jp; Marzano, F; Massaro, Ggg; Mazumdar, K; Mcnally, D; Mele, S; Merola, L; Meschini, M; Metzger, Wj; Mi, Y; Mihul, A; Vanmil, Ajw; Mirabelli, G; Mnich, J; Moller, M; Monteleoni, B; Moore, R; Morand, R; Morganti, S; Mount, R; Muller, S; Muheim, F; Nagy, E; Nahn, S; Napolitano, M; Nessitedaldi, F; Newman, H; Nippe, A; Nowak, H; Organtini, Giovanni; Ostonen, R; Pandoulas, D; Paoletti, S; Paolucci, P; Pascale, G; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, F; Pei, Yj; Pensotti, S; Perretgallix, D; Petrak, S; Pevsner, A; Piccolo, D; Pieri, M; Pinto, Jc; Piroue, Pa; Pistolesi, E; Plyaskin, V; Pohl, M; Pojidaev, V; Postema, H; Produit, N; Raghavan, R; Rahalcallot, G; Rancoita, Pg; Rattaggi, M; Raven, G; Razis, P; Read, K; Redaelli, M; Ren, D; Rescigno, M; Reucroft, S; Ricker, A; Riemann, S; Riemers, Bc; Riles, K; Rind, O; Ro, S; Robohm, A; Rodin, J; Rodriguez, Fj; Roe, Bp; Rohner, M; Rohner, S; Romero, L; Rosierlees, S; Rosselet, P; Vanrossum, W; Roth, S; Rubio, Ja; Rykaczewski, H; Salicio, J; Salicio, Jm; Sanchez, E; Santocchia, A; Sarakinos, Me; Sarkar, S; Sassowsky, M; Sauvage, G; Schafer, C; Schegelsky, V; Schmitz, D; Schmitz, P; Schneegans, M; Schoeneich, B; Scholz, N; Schopper, H; Schotanus, Dj; Schulte, R; Schultze, K; Schwenke, J; Schwering, G; Sciacca, C; Seiler, Pg; Sens, Jc; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shukla, J; Shumilov, E; Son, D; Sopczak, A; Soulimov, V; Smith, B; Spickermann, T; Spillantini, P; Steuer, M; Stickland, Dp; Sticozzi, F; Stone, H; Stoyanov, B; Strauch, K; Sudhakar, K; Sultanov, G; Sun, Lz; Susinno, Gf; Suter, H; Swain, Jd; Tang, Xw; Tauscher, L; Taylor, L; Ting, Scc; Ting, Sm; Toker, O; Tonisch, F; Tonutti, M; Tonwar, Sc; Toth, J; Tsaregorodtsev, A; Tsipolitis, G; Tully, C; Tuchscherer, H; Ulbricht, J; Urban, L; Uwer, U; Valente, E; Vandewalle, Rt; Vetlitsky, I; Viertel, G; Vivargent, M; Volkert, R; Vogel, H; Vogt, H; Vorobiev, I; Vorobyov, Aa; Vorobyov, Aa; Vuilleumier, L; Wadhwa, M; Wallraff, W; Wang, Jc; Wang, Xl; Wang, Yf; Wang, Zm; Weber, A; Weill, R; Willmott, C; Wittgenstein, F; Wu, Sx; Wynhoff, S; Xu, J; Xu, Zz; Yang, Bz; Yang, Cg; Yao, Xy; Ye, Jb; Yeh, Sc; You, Jm; Zaccardelli, C; Zalite, A; Zemp, P; Zeng, Jy; Zeng, Y; Zhang, Z; Zhang, Zp; Zhou, B; Zhou, Gj; Zhou, Jf; Zhou, Y; Zhu, Gy; Zhu, Ry; Zichichi, A; Vanderzwaan, Bcc. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 363:(1995), pp. 137-144. [10.1016/0370-2693(95)01224-E]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/241634
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