Upper limit on the lifetime difference of short- and long-lived Bs0 mesons
PHYSICS LETTERS B 438:3-4 (1998) 417-429
Authors:
M Acciarri, O Adriani, M Aguilar-Benitez, S Ahlen, J Alcaraz, G Alemanni, J Allaby, A Aloisio, MG Alviggi, G Ambrosi, H Anderhub, VP Andreev, T Angelescu, F Anselmo, A Arefiev, T Azemoon, T Aziz, P Bagnaia, L Baksay, RC Ball, S Banerjee, S Banerjee, K Banicz, A Barczyk, R Barillere, L Barone, P Bartalini, A Baschirotto, M Basile, R Battiston, A Bay, F Becattini, U Becker, F Behner, J Berdugo, P Berges, B Bertucci, BL Betev, S Bhattacharya, M Biasini, A Biland, GM Bilei, JJ Blaising, SC Blyth, GJ Bobbink, R Bock, A Bohm, L Boldizsar, B Borgia, D Bourilkov, M Bourquin, D Boutigny, S Braccini, JG Branson, V Brigljevic, IC Brock, A Buffini, A Buijs, JD Burger, WJ Burger, J Busenitz, XD Cai, M Campanelli, M Capell, GC Romeo, G Carlino, AM Cartacci, J Casaus, G Castellini, F Cavallari, N Cavallo, C Cecchi, M Cerrada, F Cesaroni, M Chamizo, YH Chang, UK Chaturvedi, M Chemarin, A Chen, G Chen, GM Chen, HF Chen, HS Chen, M Chen, G Chiefari, CY Chien, L Cifarelli, F Cindolo, G Civinini, I Clare, R Clare, G Coignet, AP Colijn, N Colino, S Costantini, F Cotorobai, B de la Cruz, A Csilling, TS Dai, R D'Alessandro, R de Asmundis, A Degre, K Deiters, P Denes, F DeNotaristefani, M Diemoz, D van Dierendonck, F Di Lodovico, C Dionisi, M Dittmar, A Dominguez, A Doria, MT Dova, E Drago, D Duchesneau, P Duinker, I Duran, S Easo, H El Mamouni, A Engler, FJ Eppling, FC Erne, P Extermann, M Fabre, R Faccini, MA Falagan, S Falciano, A Favara, J Fay, O Fedin, M Felcini, T Ferguson, F Ferroni, H Fesefeldt, E Fiandrini, JH Field, F Filthaut, PH Fisher, I Fisk, G Forconi, L Fredj, K Freudenreich, C Furetta, Y Galaktionov, SN Ganguli, P Garcia-Abia, M Gataullin, SS Gau, S Gentile, J Gerald, N Gheordanescu, S Giagu, S Goldfarb, J Goldstein, ZF Gong, A Gougas, G Gratta, MW Gruenewald, R van Gulik, VK Gupta, A Gurtu, LJ Gutay, D Haas, B Hartmann, A Hasan, D Hatzifotiadou, T Hebbeker, A Herve, P Hidas, J Hirschfelder, WC van Hoek, H Hofer, H Hoorani, SR Hou, G Hu, I Iashvili, BN Jin, LW Jones, P de Jong, I Josa-Mutuberria, A Kasser, RA Khan, D Kamrad, JS Kapustinsky, Y Karyotakis, M Kaur, MN Kienzle-Focacci, D Kim, DH Kim, JK Kim, SC Kim, WW Kinnison, A Kirkby, D Kirkby, J Kirkby, D Kiss, W Kittel, A Klimentov, AC Konig, A Kopp, I Korolko, V Koutsenko, RW Kraemer, W Krenz, A Kunin, P Lacentre, PL de Guevara, G Landi, C Lapoint, K Lassila-Perini, P Laurikainen, A Lavorato, M Lebeau, A Lebedev, P Lebrun, P Lecomte, P Lecoq, P Le Coultre, HJ Lee, C Leggett, JM Le Goff, R Leiste, E Leonardi, P Levtchenko, C Li, CH Lin, WT Lin, FL Linde, L Lista, ZA Liu, W Lohmann, E Longo, W Lu, YS Lu, K Lubelsmeyer, C Luci, D Luckey, L Luminari, W Lustermann, WG Ma, M Maity, G Majumder, L Malgeri, A Malinin, C Mana, D Mangeol, P Marchesini, G Marian, A Marin, JP Martin, F Marzano, GGG Massaro, K Mazumdar, S Mele, L Merola, M Meschini, WJ Metzger, M von der Mey, Y Mi, D Migani, A Mihul, AJW van Mil, H Milcent, G Mirabelli, J Mnich, P Molnar, B Monteleoni, R Moore, T Moulik, R Mount, GS Muanza, F Muheim, AJM Muijs, S Nahn, M Napolitano, F Nessi-Tedaldi, H Newman, T Niessen, A Nippe, A Nisati, H Nowak, YD Oh, G Organtini, R Ostonen, C Palomares, D Pandoulas, S Paoletti, P Paolucci, HK Park, IH Park, G Pascale, G Passaleva, S Patricelli, T Paul, M Pauluzzi, C Paus, F Pauss, D Peach, M Pedace, YJ Pei, S Pensotti, D Perret-Gallix, B Petersen, S Petrak, A Pevsner, D Piccolo, M Pieri, PA Piroue, E Pistolesi, V Plyaskin, M Pohl, V Pojidaev, H Postema, J Pothier, N Produit, D Prokofiev, J Quartieri, G Rahal-Callot, N Raja, PG Rancoita, M Rattaggi, G Raven, P Razis, D Ren, M Rescigno, S Reucroft, T van Rhee, S Riemann, K Riles, O Rind, A Robohm, J Rodin, BP Roe, L Romero, S Rosier-Lees, P Rosselet, S Roth, JA Rubio, D Ruschmeier, H Rykaczewski, S Sakar, J Salicio, E Sanchez, MP Sanders, ME Sarakinos, G Sauvage, C Schafer, V Schegelsky, S Schmidt-Kaerst, D Schmitz, M Schneegans, N Scholz, H Schopper, DJ Schotanus, J Schwenke, G Schwering, C Sciacca, D Sciarrino, L Servoli, S Shevchenko, N Shivarov, V Shoutko, J Shukla, E Shumilov, A Shvorob, T Siedenburg, D Son, V Soulimov, B Smith, P Spillantini, M Steuer, DP Stickland, H Stone, B Stoyanov, A Straessner, K Sudhakar, G Sultanov, LZ Sun, GF Susinno, H Suter, JD Swain, XW Tang, L Tauscher, L Taylor, C Timmermans, SCC Ting, SM Ting, SC Tonwar, J Toth, C Tully, KL Tung, Y Uchida, J Ulbricht, E Valente, G Vesztergombi, I Vetlitsky, G Viertel, S Villa, M Vivargent, S Vlachos, H Vogel, H Vogt, I Vorobiev, AA Vorobyov, A Vorvolakos, M Wadhwa, W Wallraff, JC Wang, XL Wang, ZM Wang, A Weber, SX Wu, S Wynhoff, J Xu, ZZ Xu, BZ Yang, CG Yang, HJ Yang, M Yang, JB Ye, SC Yeh, JM You, A Zalite, Y Zalite, P Zemp, Y Zeng, ZP Zhang, B Zhou, Y Zhou, GY Zhu, RY Zhu, A Zichichi, F Ziegler, G ZiliziMeasurement of W-pair cross sections in e+e- interactions at √s = 172 GeV and W-decay branching fractions
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 407:3-4 (1997) 419-431
Authors:
M Acciarri, O Adriani, M Aguilar-Benitez, S Ahlen, J Alcaraz, G Alemanni, J Allaby, A Aloisio, G Alverson, MG Alviggi, G Ambrosi, H Anderhub, VP Andreev, T Angelescu, F Anselmo, A Arefiev, T Azemoon, T Aziz, P Bagnaia, L Baksay, S Banerjee, K Banicz, A Barczyk, R Barilère, L Barone, P Bartalini, A Baschirotto, M Basile, R Battiston, A Bay, F Becattini, U Becker, F Behner, J Berdugo, P Berges, B Bertucci, BL Betev, S Bhattacharya, M Biasini, A Biland, GM Bilei, JJ Blaising, SC Blyth, GJ Bobbink, R Bock, A Böhm, L Boldizsar, B Borgia, D Bourilkov, M Bourquin, S Braccini, JG Branson, V Brigljevic, IC Brock, A Buffini, A Buijs, JD Burger, WJ Burger, J Busenitz, A Button, XD Cai, M Campanelli, M Capell, G Cara Romeo, G Carlino, AM Cartacci, J Casaus, G Castellini, F Cavallari, N Cavallo, C Cecchi, M Cerrada, F Cesaroni, M Chamizo, YH Chang, UK Chaturvedi, SV Chekanov, M Chemarin, A Chen, G Chen, HF Chen, HS Chen, X Chereau, G Chiefari, CY Chien, L Cifarelli, F Cindolo, C Civinini, I Clare, R Clare, HO Cohn, G Coignet, AP Colijn, N Colino, V Commichau, S Costantini, F Cotorobai, B de la CruzAbstract:
We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13 GeV. In a data sample corresponding to a total luminosity of 10.25 pb-1 we select 110 four-fermion events with pairs of hadronic jets or leptons with high invariant masses. Branching fractions of W decays into different fermion-antifermion pairs are determined with and without the assumption of charged-current lepton universality. The branching fraction for hadronic W decays is measured to be: S(W → hadrons) = 64.2+3.7-3.8 (stat.) ± 0.5 (syst.) %. Combining all final states the total cross section for W-pair production is measured to be: σww = 12.27+1.41-1.32 (stat.) ± 0.23 (syst.) pb. The results are in good agreement with the Standard Model. © 1997 Elsevier Science B.V.Cross section of hadron production in gamma gamma collisions at LEP
PHYSICS LETTERS B 408:1-4 (1997) 450-464
Authors:
M Acciarri, O Adriani, M AguilarBenitez, S Ahlen, J Alcaraz, G Alemanni, J Allaby, A Aloisio, G Alverson, MG Alviggi, G Ambrosi, H Anderhub, VP Andreev, T Angelescu, F Anselmo, A Arefiev, T Azemoon, T Aziz, P Bagnaia, L Baksay, S Banerjee, S Banerjee, K Banicz, A Barczyk, R Barillere, L Barone, P Bartalini, A Baschirotto, M Basile, R Rattiston, A Bay, F Becattini, U Becker, F Behner, J Berdugo, P Berges, B Bertucci, BL Betev, S Bhattacharya, M Biasini, A Biland, GM Bilei, JJ Blaising, SC Blyth, GJ Bobbink, R Bock, A Bohm, L Boldizsar, B Borgia, D Bourilkov, M Bourquin, S Braccini, JG Branson, V Brigljevic, IC Brook, A Buffini, A Buijs, JD Burger, WJ Burger, J Busenitz, A Button, XD Cai, M Campanelli, M Capell, GC Romeo, G Carlino, AM Cartacci, J Casaus, G Castellini, F Cavallari, N Cavallo, C Cecchi, M Cerrada, F Cesaroni, M Chamizo, YH Chang, UK Chaturvedi, SV Chekanov, M Chemarin, A Chen, G Chen, GM Chen, HF Chen, HS Chen, X Chereau, G Chiefari, CY Chien, L Cifarelli, F Cindolo, C Civinini, I Clare, R Clare, HO Cohn, G Coignet, AP Colijn, N Colino, V Commichau, S Costantini, F Cotorobai, B delaCruz, A Csilling, TS Dai, R DAlessandro, R deAsmundis, A Degre, K Deiters, D dellaVolpe, P Denes, F DeNotaristefani, D DiBitonto, M Diemoz, D vanDierendonck, F DiLodovico, C Dionisi, M Dittmar, A Dominguez, A Doria, MT Dova, D Duchesneau, P Duinker, I Duran, S Dutta, S Easo, Y Efremenko, H ElMamouni, A Engler, FJ Eppling, FC Erne, JP Ernenwein, P Extermann, M Fabre, R Faccini, S Falciano, A Favara, J Fay, O Fedin, M Felcini, B Fenyi, T Ferguson, F Ferroni, H Fesefeldt, E Fiandrini, JH Field, F Filthaut, PH Fisher, I Fisk, G Forconi, L Fredj, K Freudenreich, C Furetta, Y Galaktionov, SN Ganguli, P GarciaAbia, SS Gau, S Gentile, N Gheordanescu, S Giagu, S Goldfarb, J Goldstein, ZF Gong, A Gougas, G Gratta, MW Gruenewald, VK Gupta, A Gurtu, LJ Gutay, B Hartmann, A Hasan, D Hatzifotiadou, T Hebbeker, A Herve, WC vanHoek, H Hofer, SJ Hong, H Hoorani, SR Hou, G Hu, V Innocente, K Jenkes, BN Jin, LW Jones, P deJong, I JosaMutuberria, A Kasser, RA Khan, D Kamrad, Y Kamyshkov, JS Kapustinsky, Y Karyotakis, M Kaur, MN KienzleFocacci, D Kim, DH Kim, JK Kim, SC Kim, YG Kim, WW Kinnison, A Kirkby, D Kirkby, J Kirkby, D Kiss, W Kittel, A Klimentov, AC Konig, A Kopp, I Korolko, V Koutsenko, RW Kraemer, W Krenz, A Kunin, PL deGuevara, I Laktineh, G Landi, C Lapoint, K LassilaPerini, P Laurikainen, M Lebeau, A Lebedev, P Lebrun, P Lecomte, P Lecoq, P LeCoultre, JM LeGoff, R Leiste, E Leonardi, P Levtchenko, C Li, CH Lin, WT Lin, FL Linde, L Lista, ZA Liu, W Lohmann, E Longo, W Lu, YS Lu, K Lubelsmeyer, C Luci, D Luckey, L Luminari, W Lustermann, WG Ma, M Maity, G Majumder, L Malgeri, A Malinin, C Mana, D Mangeol, S Mangla, P Marchesini, A Marin, JP Martin, F Marzano, GGG Massaro, D McNally, RR McNeil, S Mele, L Merola, M Meschini, WJ Metzger, M vonderMey, Y Mi, A Mihul, AJW vanMil, G Mirabelli, J Mnich, P Molnar, B Monteleoni, R Moore, S Morganti, T Moulik, R Mount, S Muller, F Muheim, AJM Muijs, S Nahn, M Napolitano, F NessiTedaldi, H Newman, T Niessen, A Nippe, A Nisati, H Nowak, YD Oh, H Opitz, G Organtini, R Ostonen, C Palomares, D Pandoulas, S Paoletti, P Paolucci, HK Park, IH Park, G Pascale, G Passaleva, S Patricelli, T Paul, M Pauluzzi, C Paus, F Pauss, D Peach, YJ Pei, S Pensotti, D PerretGallix, B Petersen, S Petrak, A Pevsner, D Piccolo, M Pieri, JC Pinto, PA Piroue, E Pistolesi, V Plyaskin, M Pohl, V Pojidaev, H Postema, N Produit, D Prokofiev, G RahalCallot, N Raja, PG Rancoita, M Rattaggi, G Raven, P Razis, K Read, D Ren, M Rescigno, S Reucroft, T vanRhee, S Riemann, K Riles, A Robohm, J Rodin, BP Roe, L Romero, S RosierLees, P Rosselet, W vanRossum, S Roth, JA Rubio, D Ruschmeier, H Rykaczewski, J Salicio, E Sanchez, MP Sanders, ME Sarakinos, S Sarkar, M Sassowsky, C Schafer, V Schegelsky, S SchmidtKaerst, D Schmitz, P Schmitz, N Scholz, H Schopper, DJ Schotanus, J Schwenke, G Schwering, C Sciacca, D Sciarrino, L Servoli, S Shevchenko, N Shivarov, V Shoutko, J Shukla, E Shumilov, A Shvorob, T Siedenburg, D Son, A Sopczak, B Smith, P Spillantini, M Steuer, DP Stickland, A Stone, H Stone, B Stoyanov, A Straessner, K Strauch, K Sudhakar, G Sultanov, LZ Sun, GF Susinno, H Suter, JD Swain, XW Tang, L Tauscher, L Taylor, SCC Ting, SM Ting, M Tonutti, SC Tonwar, J Toth, C Tully, H Tuchscherer, KL Tung, Y Uchida, J Ulbricht, U Uwer, E Valente, RT VandeWalle, G Vesztergombi, I Vetlitsky, G Viertel, M Vivargent, R Volkert, H Vogel, H Vogt, I Vorobiev, AA Vorobyov, A Vorvolakos, M Wadhwa, W Wallraff, JC Wang, XL Wang, ZM Wang, A Weber, F Wittgenstein, SX Wu, S Wynhoff, J Xu, ZZ Xu, BZ Yang, CG Yang, XY Yao, JB Ye, SC Yeh, JM You, A Zalite, Y Zalite, P Zemp, Y Zeng, Z Zhang, ZP Zhang, B Zhou, GY Zhu, RY Zhu, A Zichichi, F ZieglerHard-photon production at root s=161 and 172 GeV at LEP
PHYSICS LETTERS B 413:1-2 (1997) 159-166
Authors:
M Acciarri, O Adriani, M AguilarBenitez, S Ahlen, J Alcaraz, G Alemanni, J Allaby, A Aloisio, G Alverson, MG Alviggi, G Ambrosi, H Anderhub, VP Andreev, T Angelescu, F Anselmo, A Arefiev, T Azemoon, T Aziz, P Bagnaia, L Baksay, S Banerjee, S Banerjee, K Banicz, A Barcyzk, R Barillere, L Barone, P Bartalini, A Baschirotto, M Basile, R Battiston, A Bay, F Becattini, U Becker, F Behner, J Berdugo, P Berges, B Bertucci, BL Betev, S Bhattacharya, M Biasini, A Biland, GM Bilei, JJ Blaising, SC Blyth, GJ Bobbink, R Bock, A Bohm, L Boldizsar, B Borgia, D Bourilkov, M Bourquin, S Braccini, JG Branson, V Brigljevic, IC Brock, A Buffini, A Buijs, JD Burger, WJ Burger, J Busenitz, A Button, XD Cai, M Campanelli, M Capell, GC Romeo, G Carlino, AM Cartacci, J Casaus, G Castellini, F Cavallari, N Cavallo, C Cecchi, M Cerrada, F Cesaroni, M Chamizo, YH Chang, UK Chaturvedi, SV Chekanov, M Chemarin, A Chen, G Chen, GM Chen, HF Chen, HS Chen, X Chereau, G Chiefari, CY Chien, L Cifarelli, F Cindolo, C Civinini, I Clare, R Clare, HO Cohn, G Coignet, AP Colijn, N Colino, V Commichau, S Costantini, F Cotorobai, B delaCruz, A Csilling, TS Dai, R DAlessandro, R deAsmundis, A Degre, K Deiters, D dellaVolpe, P Denes, F DeNotaristefani, D DiBitonto, M Diemoz, D vanDierendonck, F DiLodovico, C Dionisi, M Dittmar, A Dominguez, A Doria, MT Dova, D Duchesneau, P Duinker, I Duran, S Dutta, S Easo, Y Efremenko, H ElMamouni, A Engler, FJ Eppling, FC Erne, JP Ernenwein, P Extermann, M Fabre, R Faccini, S Falciano, A Favara, J Fay, O Fedin, M Felcini, B Fenyi, T Ferguson, F Ferroni, H Fesefeldt, E Fiandrini, JH Field, F Filthaut, PH Fisher, I Fisk, G Forconi, L Fredj, K Freudenreich, C Furetta, Y Galaktionov, SN Ganguli, P GarciaAbia, SS Gau, S Gentile, N Gheordanescu, S Giagu, S Goldfarb, J Goldstein, ZF Gong, A Gougas, G Gratta, MW Gruenewald, VK Gupta, A Gurtu, LJ Gutay, B Hartmann, A Hasan, D Hatzifotiadou, T Hebbeker, A Herve, WC vanHoek, H Hofer, SJ Hong, H Hoorani, SR Hou, G Hu, V Innocente, K Jenkes, BN Jin, LW Jones, P deJong, I JosaMutuberria, A Kasser, RA Khan, D Kamrad, Y Kamyshkov, JS Kapustinsky, Y Karyotakis, M Kaur, MN KienzleFocacci, D Kim, DH Kim, JK Kim, SC Kim, YG Kim, WW Kinnison, A Kirkby, D Kirkby, J Kirkby, D Kiss, W Kittel, A Klimentov, AC Konig, A Kopp, I Korolko, V Koutsenko, RW Kraemer, W Krenz, A Kunin, PL deGuevara, I Laktineh, G Landi, C Lapoint, K LassilaPerini, P Laurikainen, M Lebeau, A Lebedev, P Lebrun, P Lecomte, P Lecoq, P LeCoultre, JM LeGoff, R Leiste, E Leonardi, P Levtchenko, C Li, CH Lin, WT Lin, FL Linde, L Lista, ZA Liu, W Lohmann, E Longo, W Lu, YS Lu, K Lubelsmeyer, C Luci, D Luckey, L Luminari, W Lustermann, WG Ma, M Maity, G Majumder, L Malgeri, A Malinin, C Mana, D Mangeol, S Mangla, P Marchesini, A Marin, JP Martin, F Marzano, GGG Massaro, D McNally, RR McNeil, S Mele, L Merola, M Meschini, WJ Metzger, M vonderMey, Y Mi, A Mihul, AJW vanMil, G Mirabelli, J Mnich, P Molnar, B Monteleoni, R Moore, S Morganti, T Moulik, R Mount, S Muller, F Muheim, AJM Muijs, S Nahn, M Napolitano, F NessiTedaldi, H Newman, T Niessen, A Nippe, A Nisati, H Nowak, YD Oh, H Opitz, G Organtini, R Ostonen, C Palomares, D Pandoulas, S Paoletti, P Paolucci, HK Park, IH Park, G Pascale, G Passaleva, S Patricelli, T Paul, M Pauluzzi, C Paus, F Puass, D Peach, YJ Pei, S Pensotti, D PerretGallix, B Petersen, S Petrak, A Pevsner, D Piccolo, M Pieri, JC Pinto, PA Piroue, E Pistolesi, V Plyaskin, M Pohl, V Pojidaev, H Postema, N Produit, D Prokofiev, G RahalCallot, N Raja, PG Rancoita, M Rattaggi, G Raven, P Razis, K Read, D Ren, M Rescigno, S Reucroft, T vanRhee, S Riemann, K Riles, A Robohm, J Rodin, BP Roe, L Romero, S RosierLees, P Rosselet, W vanRossum, S Roth, JA Rubio, D Ruschmeier, H Rykaczewski, J Salicio, E Sanchez, MP Sanders, ME Sarakinos, S Sarkar, M Sassowsky, C Schafer, V Schegelsky, S SchmidtKaerst, D Schmitz, P Schmitz, N Scholz, H Schopper, DJ Schotanus, J Schwenke, G Schwering, C Sciacca, D Sciarrino, L Servoli, S Shevchenko, N Shivarov, V Shoutko, J Shukla, E Shumilov, A Shvorob, T Siedenburg, D Son, A Sopczak, B Smith, P Spillantini, M Steuer, DP Stickland, A Stone, H Stone, B Stoyanov, A Straessner, K Strauch, K Sudhakar, G Sultanov, LZ Sun, GF Susinno, H Suter, JD Swain, SW Tang, L Tauscher, L Taylor, SCC Ting, SM Ting, M Tonutti, SC Tonwar, J Toth, C Tully, H Tuchscherer, KL Tung, Y Uchida, J Ulbricht, U Uwer, E Valente, RT VandeWalle, G Vesztergombi, I Vetlitsky, G Viertel, M Vivargent, R Volkert, H Vogel, H Vogt, I Vorobiev, AA Vorobyov, A Vorvolakos, M Wadhwa, W Wallraff, JC Wang, XL Wang, ZM Wang, A Weber, F Wittgenstein, SX Wu, S Wynhoff, J Xu, ZZ Xu, BZ Yang, CG Yang, XY Yao, JB Ye, SC Yeh, JM You, A Zalite, Y Zalite, P Zemp, Y Zeng, Z Zhang, ZP Zhang, B Zhou, GY Zhu, RY Zhu, A Zichichi, F ZieglerInclusive J, Psi' and Chi(c) production in hadronic Z decays
PHYSICS LETTERS B 407:3-4 (1997) 351-360