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Insertion of STC into TRT at the Department of Physics, Oxford
Credit: CERN

Dr Elizabeth Gallas

Database Design Engineer

Research theme

  • Fundamental particles and interactions

Sub department

  • Particle Physics

Research groups

  • ATLAS
  • Accelerator Neutrinos
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  • Publications

Search for large extra spatial dimensions in dimuon production with the D0 detector

Physical Review Letters 95:16 (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, L Bagby, B Baldin, PW Balm, P Banerjee, S Banerjee, E Barberis, P Bargassa, P Baringer, C Barnes, J Barreto, JF Bartlett, U Bassler, D Bauer, A Bean, S Beauceron, M Begalli, 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, S Burke, 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

Abstract:

We present the results of a search for the effects of large extra spatial dimensions in pp_collisions at s=1.96TeV in events containing a pair of energetic muons. The data correspond to 246pb-1 of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron Collider. Good agreement with the expected background was found, yielding no evidence for large extra dimensions. We set 95% C.L. lower limits on the fundamental Planck scale between 0.85 and 1.27 TeV within several formalisms. These are the most stringent limits achieved in the dimuon channel to date. © 2005 The American Physical Society.
More details from the publisher

Search for large extra spatial dimensions in dimuon production with the d0 detector.

Phys Rev Lett 95:16 (2005) 161602

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, L Bagby, B Baldin, PW Balm, P Banerjee, S Banerjee, E Barberis, P Bargassa, P Baringer, C Barnes, J Barreto, JF Bartlett, U Bassler, D Bauer, A Bean, S Beauceron, M Begalli, 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, S Burke, 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, M Das, 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, A Gay, 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, J-P Konrath, 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, T Moulik, GS Muanza, M Mulders, L Mundim, 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, M-E Pol, 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, Y Scheglov, 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 Titov, M Tomoto, T Toole, J Torborg, S Towers, T Trefzger, S Trincaz-Duvoid, D Tsybychev, B Tuchming, C Tully, AS Turcot, PM Tuts, L Uvarov, S Uvarov, S Uzunyan, B Vachon, PJ van den Berg, 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, N Wermes, M Wetstein, 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, DO Collaboration

Abstract:

We present the results of a search for the effects of large extra spatial dimensions in pp collisions at sqrt[s] = 1.96 TeV in events containing a pair of energetic muons. The data correspond to 246 pb(-1) of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron Collider. Good agreement with the expected background was found, yielding no evidence for large extra dimensions. We set 95% C.L. lower limits on the fundamental Planck scale between 0.85 and 1.27 TeV within several formalisms. These are the most stringent limits achieved in the dimuon channel to date.
More details from the publisher

Search for neutral supersymmetric higgs bosons in multijet events at s=1.96TeV

Physical Review Letters 95:15 (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 have performed a search for neutral Higgs bosons produced in association with bottom quarks in pp collisions, using 260pb-1 of data collected with the D0 detector in Run II of the Fermilab Tevatron Collider. The cross sections for these processes are enhanced in many extensions of the standard model (SM), such as in its minimal supersymmetric extension at large tanâ□¡Î. The results of our analysis agree with expectations from the SM, and we use our measurements to set upper limits on the production of neutral Higgs bosons in the mass range of 90 to 150 GeV. © 2005 The American Physical Society.
More details from the publisher

Search for neutral supersymmetric Higgs Bosons in multijet events at sqrt[s]=1.96 TeV.

Phys Rev Lett 95:15 (2005) 151801

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 have performed a search for neutral Higgs bosons produced in association with bottom quarks in pp collisions, using 260 pb-1 of data collected with the D0 detector in Run II of the Fermilab Tevatron Collider. The cross sections for these processes are enhanced in many extensions of the standard model (SM), such as in its minimal supersymmetric extension at large tanbeta. The results of our analysis agree with expectations from the SM, and we use our measurements to set upper limits on the production of neutral Higgs bosons in the mass range of 90 to 150 GeV.
More details from the publisher

Search for supersymmetry via associated production of charginos and neutralinos in final states with three leptons

Physical Review Letters 95:15 (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:

A search for associated production of charginos and neutralinos is performed using data recorded with the D0 detector at a pp» center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider. This analysis considers final states with missing transverse energy and three charged leptons, of which at least two are electrons or muons. No evidence for supersymmetry is found in a data set corresponding to an integrated luminosity of 320pb-1. Limits on the product of the production cross section and leptonic branching fraction are set. For the minimal supergravity model, a chargino lower mass limit of 117 GeV at the 95% C.L. is derived in regions of parameter space with enhanced leptonic branching fractions. © 2005 The American Physical Society.
More details from the publisher

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