MEASUREMENT OF SEMILEPTONIC BRANCHING FRACTIONS OF B MESONS TO NARROW D** STATES

Physical Review Letters 95 (2005) 171803 8pp

Authors:

A Nomerotski, V.M.Abazov, B.Abbott, M.Abolins

Recent advancements in the development of radiation hard semiconductor detectors for S-LHC

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Elsevier 552:1-2 (2005) 7-19

Authors:

E Fretwurst, J Adey, A Al-Ajili, G Alfieri, PP Allport, M Artuso, S Assouak, BS Avset, L Barabash, A Barcz, R Bates, SF Biagi, GM Bilei, D Bisello, A Blue, A Blumenau, V Boisvert, G Bolla, G Bondarenko, E Borchi, L Borrello, D Bortoletto, M Boscardin, L Bosisio, TJV Bowcock, TJ Brodbeck, J Broz, M Bruzzi, A Brzozowski, M Buda, P Buhmann, C Buttar, F Campabadal, D Campbell, A Candelori, G Casse, A Cavallini, S Charron, A Chilingarov, D Chren, V Cindro, P Collins, R Coluccia, D Contarato, J Coutinho, D Creanza, L Cunningham, G-F Dalla Betta, I Dawson, W de Boer, M De Palma, R Demina, P Dervan, S Dittongo, Z Dolezal, A Dolgolenko, T Eberlein, V Eremin, C Fall, F Fasolo, T Ferbel, F Fizzotti, C Fleta, E Focardi, E Forton, C Garcia, JE Garcia-Navarro, E Gaubas, M-H Genest, KA Gill, K Giolo, M Glaser, C Goessling, V Golovine, S González Sevilla, I Gorelov, J Goss, A Gouldwell Bates, G Grégoire, P Gregori, E Grigoriev, AA Grillo, A Groza, J Guskov, L Haddad, J Härkönen, F Hauler, M Hoeferkamp, F Hönniger, T Horazdovsky, R Horisberger, M Horn, A Houdayer, B Hourahine, G Hughes, I Ilyashenko, K Irmscher, A Ivanov, K Jarasiunas, KMH Johansen, BK Jones, R Jones, C Joram, L Jungermann, E Kalinina, P Kaminski, A Karpenko, A Karpov, V Kazlauskiene, V Kazukauskas, V Khivrich, V Khomenkov, J Kierstead, J Klaiber-Lodewigs, R Klingenberg, P Kodys, Z Kohout, S Korjenevski, M Koski, R Kozlowski, M Kozodaev, G Kramberger, O Krasel, A Kuznetsov, S Kwan, S Lagomarsino, K Lassila-Perini, V Lastovetsky, G Latino, I Lazanu, S Lazanu, A Lebedev, C Lebel, K Leinonen, C Leroy, Z Li, G Lindström, V Linhart, P Litovchenko, A Litovchenko, A Lo Giudice, M Lozano, Z Luczynski, P Luukka, A Macchiolo, LF Makarenko, I Mandić, C Manfredotti, N Manna, S Marti I Garcia, S Marunko, K Mathieson, J Melone, D Menichelli, A Messineo, J Metcalfe, S Miglio, M Mikuž, J Miyamoto, M Moll, E Monakhov, F Moscatelli, D Naoumov, E Nossarzewska-Orlowska, J Nysten, P Olivero, V Oshea, T Palviainen, C Paolini, C Parkes, D Passeri, U Pein, G Pellegrini, L Perera, M Petasecca, C Piemonte, GU Pignatel, N Pinho, I Pintilie, L Pintilie, L Polivtsev, P Polozov, A Popa, J Popule, S Pospisil, A Pozza, V Radicci, JM Rafí, R Rando, R Roeder, T Rohe, S Ronchin, C Rott, A Roy, A Ruzin, HFW Sadrozinski, S Sakalauskas, M Scaringella, L Schiavulli, S Schnetzer, B Schumm, S Sciortino, A Scorzoni, G Segneri, S Seidel, A Seiden, G Sellberg, P Sellin, D Sentenac, I Shipsey, P Sicho, T Sloan, M Solar, S Son, B Sopko, V Sopko, N Spencer, J Stahl, D Stolze, R Stone, J Storasta, N Strokan, M Sudzius, B Surma, A Suvorov, BG Svensson, P Tipton, M Tomasek, A Tsvetkov, E Tuominen, E Tuovinen, T Tuuva, M Tylchin, H Uebersee, J Uher, M Ullán, JV Vaitkus, J Velthuis, E Verbitskaya, V Vrba, G Wagner, I Wilhelm, S Worm, V Wright, R Wunstorf, Y Yiuri, P Zabierowski, A Zaluzhny, M Zavrtanik, M Zen, V Zhukov, N Zorzi

Semi-3D silicon detector and initial results of its performance

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Elsevier 552:1-2 (2005) 112-117

Authors:

Amitava Roy, Gino Bolla, Daniela Bortoletto, Zheng Li

Production of WZ events in pp collisions at s=1.96TeV and limits on anomalous WWZ couplings

Physical Review Letters 95:14 (2005)

Authors:

VM Abazov, B Abbott, M Abolins, BS Acharya, M Adams, T Adams, M Agelou, JL Agram, SH Ahn, M Ahsan, GD Alexeev, G Alkhazov, A Alton, G Alverson, GA Alves, M Anastasoaie, T Andeen, S Anderson, B Andrieu, Y Arnoud, A Askew, B Åsman, ACS Assis Jesus, O Atramentov, C Autermann, C Avila, F Badaud, A Baden, B Baldin, PW Balm, S Banerjee, E Barberis, P Bargassa, P Baringer, C Barnes, J Barreto, JF Bartlett, U Bassler, D Bauer, A Bean, S Beauceron, M Begel, A Bellavance, SB Beri, G Bernardi, R Bernhard, I Bertram, M Besançon, R Beuselinck, VA Bezzubov, PC Bhat, V Bhatnagar, M Binder, C Biscarat, KM Black, I Blackler, G Blazey, F Blekman, S Blessing, D Bloch, U Blumenschein, A Boehnlein, O Boeriu, TA Bolton, F Borcherding, G Borissov, K Bos, T Bose, A Brandt, R Brock, G Brooijmans, A Bross, NJ Buchanan, D Buchholz, M Buehler, V Buescher, S Burdin, TH Burnett, E Busato, CP Buszello, JM Butler, J Cammin, S Caron, W Carvalho, BCK Casey, NM Cason, H Castilla-Valdez, S Chakrabarti, D Chakraborty, KM Chan, A Chandra, D Chapin, F Charles, E Cheu, DK Cho, S Choi, B Choudhary, T Christiansen, L Christofek, D Claes

Abstract:

We present results from a search for WZ production with subsequent decay to â.,"Îâ.,"â€â., "Ââ€(â.," and â.,"â€=e or Î) using 0.30fb-1 of data collected by the D0 experiment between 2002 and 2004 at the Fermilab Tevatron. Three events with WZ decay characteristics are observed. With an estimated background of 0.71±0.08 events, we measure the WZ production cross section to be 4.5-2.6+3.8pb, with a 95% C.L. upper limit of 13.3 pb. The 95% C.L. limits for anomalous WWZ couplings are found to be -2.0<Î"ÎZ<2.4 for form factor scale Î=1TeV, and -0.48<Î Z<0.48 and -0.49<Î"g1Z<0. 66 for Î=1.5TeV. © 2005 The American Physical Society.

Production of WZ events in pp collisions at square root(s) = 1.96 TeV and limits on anomalous WWZ couplings.

Phys Rev Lett 95:14 (2005) 141802

Authors:

VM Abazov, B Abbott, M Abolins, BS Acharya, M Adams, T Adams, M Agelou, J-L Agram, SH Ahn, M Ahsan, GD Alexeev, G Alkhazov, A Alton, G Alverson, GA Alves, M Anastasoaie, T Andeen, S Anderson, B Andrieu, Y Arnoud, A Askew, B Asman, ACS Assis Jesus, O Atramentov, C Autermann, C Avila, F Badaud, A Baden, B Baldin, PW Balm, S Banerjee, E Barberis, P Bargassa, P Baringer, C Barnes, J Barreto, JF Bartlett, U Bassler, D Bauer, A Bean, S Beauceron, M Begel, A Bellavance, SB Beri, G Bernardi, R Bernhard, I Bertram, M Besançon, R Beuselinck, VA Bezzubov, PC Bhat, V Bhatnagar, M Binder, C Biscarat, KM Black, I Blackler, G Blazey, F Blekman, S Blessing, D Bloch, U Blumenschein, A Boehnlein, O Boeriu, TA Bolton, F Borcherding, G Borissov, K Bos, T Bose, A Brandt, R Brock, G Brooijmans, A Bross, NJ Buchanan, D Buchholz, M Buehler, V Buescher, S Burdin, TH Burnett, E Busato, CP Buszello, JM Butler, J Cammin, S Caron, W Carvalho, BCK Casey, NM Cason, H Castilla-Valdez, S Chakrabarti, D Chakraborty, KM Chan, A Chandra, D Chapin, F Charles, E Cheu, DK Cho, S Choi, B Choudhary, T Christiansen, L Christofek, D Claes, B Clément, C Clément, Y Coadou, M Cooke, WE Cooper, D Coppage, M Corcoran, A Cothenet, M-C Cousinou, B Cox, S Crépé-Renaudin, D Cutts, H da Motta, B Davies, G Davies, GA Davis, K De, P de Jong, SJ de Jong, E De la Cruz-Burelo, C De Oliveira Martins, S Dean, JD Degenhardt, F Déliot, M Demarteau, R Demina, P Demine, D Denisov, SP Denisov, S Desai, HT Diehl, M Diesburg, M Doidge, H Dong, S Doulas, LV Dudko, L Duflot, SR Dugad, A Duperrin, J Dyer, A Dyshkant, M Eads, D Edmunds, T Edwards, J Ellison, J Elmsheuser, VD Elvira, S Eno, P Ermolov, OV Eroshin, J Estrada, H Evans, A Evdokimov, VN Evdokimov, J Fast, SN Fatakia, L Feligioni, AV Ferapontov, T Ferbel, F Fiedler, F Filthaut, W Fisher, HE Fisk, I Fleck, M Fortner, H Fox, S Fu, S Fuess, T Gadfort, CF Galea, E Gallas, E Galyaev, C Garcia, A Garcia-Bellido, J Gardner, V Gavrilov, P Gay, D Gelé, R Gelhaus, K Genser, CE Gerber, Y Gershtein, D Gillberg, G Ginther, T Golling, N Gollub, B Gómez, K Gounder, A Goussiou, PD Grannis, S Greder, H Greenlee, ZD Greenwood, EM Gregores, Ph Gris, J-F Grivaz, L Groer, S Grünendahl, MW Grünewald, SN Gurzhiev, G Gutierrez, P Gutierrez, A Haas, NJ Hadley, S Hagopian, I Hall, RE Hall, C Han, L Han, K Hanagaki, K Harder, A Harel, R Harrington, JM Hauptman, R Hauser, J Hays, T Hebbeker, D Hedin, JM Heinmiller, AP Heinson, U Heintz, C Hensel, G Hesketh, MD Hildreth, R Hirosky, JD Hobbs, B Hoeneisen, M Hohlfeld, SJ Hong, R Hooper, P Houben, Y Hu, J Huang, V Hynek, I Iashvili, R Illingworth, AS Ito, S Jabeen, M Jaffré, S Jain, V Jain, K Jakobs, A Jenkins, R Jesik, K Johns, M Johnson, A Jonckheere, P Jonsson, A Juste, D Käfer, S Kahn, E Kajfasz, AM Kalinin, J Kalk, D Karmanov, J Kasper, D Kau, R Kaur, R Kehoe, S Kermiche, S Kesisoglou, A Khanov, A Kharchilava, YM Kharzheev, H Kim, TJ Kim, B Klima, JM Kohli, M Kopal, VM Korablev, J Kotcher, B Kothari, A Koubarovsky, AV Kozelov, J Kozminski, A Kryemadhi, S Krzywdzinski, Y Kulik, A Kumar, S Kunori, A Kupco, T Kurca, J Kvita, S Lager, N Lahrichi, G Landsberg, J Lazoflores, A-C Le Bihan, P Lebrun, WM Lee, A Leflat, F Lehner, C Leonidopoulos, J Leveque, P Lewis, J Li, QZ Li, JGR Lima, D Lincoln, SL Linn, J Linnemann, VV Lipaev, R Lipton, L Lobo, A Lobodenko, M Lokajicek, A Lounis, P Love, HJ Lubatti, L Lueking, M Lynker, AL Lyon, AKA Maciel, RJ Madaras, P Mättig, C Magass, A Magerkurth, A-M Magnan, N Makovec, PK Mal, HB Malbouisson, S Malik, VL Malyshev, HS Mao, Y Maravin, M Martens, SEK Mattingly, AA Mayorov, R McCarthy, R McCroskey, D Meder, A Melnitchouk, A Mendes, M Merkin, KW Merritt, A Meyer, J Meyer, M Michaut, H Miettinen, J Mitrevski, J Molina, NK Mondal, RW Moore, GS Muanza, M Mulders, YD Mutaf, E Nagy, M Narain, NA Naumann, HA Neal, JP Negret, S Nelson, P Neustroev, C Noeding, A Nomerotski, SF Novaes, T Nunnemann, E Nurse, V O'Dell, DC O'Neil, V Oguri, N Oliveira, N Oshima, GJ Otero y Garzón, P Padley, N Parashar, SK Park, J Parsons, R Partridge, N Parua, A Patwa, G Pawloski, PM Perea, E Perez, P Pétroff, M Petteni, R Piegaia, M-A Pleier, PLM Podesta-Lerma, VM Podstavkov, Y Pogorelov, A Pompos, BG Pope, WL Prado da Silva, HB Prosper, S Protopopescu, J Qian, A Quadt, B Quinn, KJ Rani, K Ranjan, PA Rapidis, PN Ratoff, S Reucroft, M Rijssenbeek, I Ripp-Baudot, F Rizatdinova, S Robinson, RF Rodrigues, C Royon, P Rubinov, R Ruchti, VI Rud, G Sajot, A Sánchez-Hernández, MP Sanders, A Santoro, G Savage, L Sawyer, T Scanlon, D Schaile, RD Schamberger, H Schellman, P Schieferdecker, C Schmitt, C Schwanenberger, A Schwartzman, R Schwienhorst, S Sengupta, H Severini, E Shabalina, M Shamim, V Shary, AA Shchukin, WD Shephard, RK Shivpuri, D Shpakov, RA Sidwell, V Simak, V Sirotenko, P Skubic, P Slattery, RP Smith, K Smolek, GR Snow, J Snow, S Snyder, S Söldner-Rembold, X Song, L Sonnenschein, A Sopczak, M Sosebee, K Soustruznik, M Souza, B Spurlock, NR Stanton, J Stark, J Steele, K Stevenson, V Stolin, A Stone, DA Stoyanova, J Strandberg, MA Strang, M Strauss, R Ströhmer, D Strom, M Strovink, L Stutte, S Sumowidagdo, A Sznajder, M Talby, P Tamburello, W Taylor, P Telford, J Temple, M Tomoto, T Toole, J Torborg, S Towers, T Trefzger, S Trincaz-Duvoid, B Tuchming, C Tully, AS Turcot, PM Tuts, L Uvarov, S Uvarov, S Uzunyan, B Vachon, R Van Kooten, WM van Leeuwen, N Varelas, EW Varnes, A Vartapetian, IA Vasilyev, M Vaupel, P Verdier, LS Vertogradov, M Verzocchi, F Villeneuve-Seguier, J-R Vlimant, E Von Toerne, M Vreeswijk, T Vu Anh, HD Wahl, L Wang, J Warchol, G Watts, M Wayne, M Weber, H Weerts, M Wegner, N Wermes, A White, V White, D Wicke, DA Wijngaarden, GW Wilson, SJ Wimpenny, J Wittlin, M Wobisch, J Womersley, DR Wood, TR Wyatt, Q Xu, N Xuan, S Yacoob, R Yamada, M Yan, T Yasuda, YA Yatsunenko, Y Yen, K Yip, HD Yoo, SW Youn, J Yu, A Yurkewicz, A Zabi, A Zatserklyaniy, M Zdrazil, C Zeitnitz, D Zhang, X Zhang, T Zhao, Z Zhao, B Zhou, J Zhu, M Zielinski, D Zieminska, A Zieminski, R Zitoun, V Zutshi, EG Zverev, D0 Collaboration

Abstract:

We present results from a search for WZ production with subsequent decay to l nu l' l' (l and l' = e or mu) using 0.30 fb(-1) of data collected by the D0 experiment between 2002 and 2004 at the Fermilab Tevatron. Three events with WZ decay characteristics are observed. With an estimated background of 0.71 +/- 0.08 events, we measure the WZ production cross section to be 4.5(-2.6)(+3.8) pb, with a 95% C.L. upper limit of 13.3 pb. The 95% C.L. limits for anomalous WWZ couplings are found to be -2.0 < delta kappaZ < 2.4 for form factor scale lambda = 1 TeV, and -0.48 < lambdaZ < 0.48 and -0.49 < delta g(1)(Z) < 0.66 for lambda = 1.5 TeV.