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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 3- and 4-body decays of the scalar top quark in pp̄ collisions at √s=1.8 TeV

Physics Letters Section B Nuclear Elementary Particle and High Energy Physics 581:3-4 (2004) 147-155

Authors:

VM Abazov, B Abbott, A Abdesselam, M Abolins, V Abramov, BS Acharya, DL Adams, M Adams, SN Ahmed, GD Alexeev, A Alton, GA Alves, EW Anderson, Y Arnoud, C Avila, VV Babintsev, L Babukhadia, TC Bacon, A Baden, S Baffioni, B Baldin, PW Balm, S Banerjee, E Barberis, P Baringer, J Barreto, JF Bartlett, U Bassler, D Bauer, A Bean, F Beaudette, M Begel, A Belyaev, SB Beri, G Bernardi, I Bertram, A Besson, R Beuselinck, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, G Blazey, F Blekman, S Blessing, A Boehnlein, NI Bojko, TA Bolton, F Borcherding, K Bos, T Bose, A Brandt, R Breedon, G Briskin, R Brock, G Brooijmans, A Bross, D Buchholz, M Buehler, V Buescher, VS Burtovoi, JM Butler, F Canelli, W Carvalho, D Casey, H Castilla-Valdez, D Chakraborty, KM Chan, SV Chekulaev, DK Cho, S Choi, S Chopra, D Claes, AR Clark, L Coney, B Connolly, WE Cooper, D Coppage, S Crépé-Renaudin, MAC Cummings, D Cutts, H da Motta, GA Davis, K De, SJ de Jong, M Demarteau, R Demina, P Demine, D Denisov, SP Denisov, S Desai, HT Diehl, M Diesburg, S Doulas, LV Dudko, S Duensing, L Duflot, SR Dugad, A Duperrin, A Dyshkant

Abstract:

We have searched for the signature of 3- and 4-body decays of pair-produced scalar top quarks (stop) in the inclusive final state containing an electron, a muon, and significant missing transverse energy using a sample of pp̄ events corresponding to 108.3 pb-1 of data collected with the DØ detector at Fermilab. The search is done in the framework of the minimal supersymmetric standard model assuming that the neutralino (χ̃10) is the lightest supersymmetric particle and is stable. No evidence for a signal is found and we derive cross-section upper limits as a function of stop (t̃) and neutralino masses in different decay scenarios leading to the bℓνχ̃10 final state. © 2004 Published by Elsevier B.V.
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Combination of CDF and D0 results on the W boson mass and width

Physical Review D - Particles, Fields, Gravitation and Cosmology 70:9 (2004)

Authors:

VM Abazov, B Abbott, A Abdesselam, M Abolins, V Abramov, BS Acharya, D Acosta, DL Adams, M Adams, T Affolder, SN Ahmed, H Akimoto, A Akopian, MG Albrow, GD Alexeev, A Alton, GA Alves, P Amaral, D Ambrose, SR Amendolia, D Amidei, K Anikeev, J Antos, G Apollinari, Y Arnoud, T Arisawa, A Artikov, T Asakawa, C Avila, W Ashmanskas, M Atac, F Azfar, P Azzi-Bacchetta, VV Babintsev, L Babukhadia, N Bacchetta, H Bachacou, TC Bacon, A Baden, W Badgett, S Baffioni, MW Bailey, S Bailey, B Baldin, PW Balm, S Banerjee, P de Barbaro, A Barbaro-Galtieri, E Barberis, P Baringer, VE Barnes, BA Barnett, S Baroiant, M Barone, J Barreto, JF Bartlett, U Bassler, D Bauer, G Bauer, A Bean, F Beaudette, F Bedeschi, S Behari, M Begel, S Belforte, WH Bell, G Bellettini, J Bellinger, A Belyaev, D Benjamin, J Bensinger, A Beretvas, JP Berge, SB Beri, G Bernardi, I Bertram, J Berryhill, A Besson, R Beuselinck, B Bevensee, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, A Bhatti, M Binkley, D Bisello, M Bishai, RE Blair, G Blazey, F Blekman, S Blessing, C Blocker, K Bloom, B Blumenfeld, SR Blusk, A Bocci, A Bodek, A Boehnlein, NI Bojko

Abstract:

The results based on 1992-95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron collider average MW = 80.456 ± 0.059 GeV. We also report the Tevatron collider average of the directly measured W boson width TW = 2.115 ± 0.105 GeV. We describe a new joint analysis of the direct W mass and width measurements. Assuming the validity of the standard model, we combine the directly measured W boson width with the width extracted from the ratio of W and Z boson leptonic partial cross sections. This combined result for the Tevatron is TW = 2.135 ± 0.050 GeV. Finally, we use the measurements of the direct total W width and the leptonic branching ratio to extract the leptonic partial width Γ(W → eν) = 224 ± 13 MeV.
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Search for new particles in the two-jet decay channel with the DØ detector

Physical Review D Particles Fields Gravitation and Cosmology 69:11 (2004)

Authors:

VM Abazov, B Abbott, A Abdesselam, M Abolins, V Abramov, BS Acharya, DL Adams, M Adams, SN Ahmed, GD Alexeev, A Alton, GA Alves, EW Anderson, Y Arnoud, C Avila, VV Babintsev, L Babukhadia, TC Bacon, A Baden, S Baffioni, B Baldin, PW Balm, S Banerjee, E Barberis, P Baringer, J Barreto, JF Bartlett, U Bassler, D Bauer, A Bean, F Beaudette, M Begel, A Belyaev, SB Beri, G Bernardi, I Bertram, A Besson, R Beuselinck, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, G Blazey, F Blekman, S Blessing, A Boehnlein, NI Bojko, TA Bolton, F Borcherding, K Bos, T Bose, A Brandt, G Briskin, R Brock, G Brooijmans, A Bross, D Buchholz, M Buehler, V Buescher, VS Burtovoi, JM Butler, F Canelli, W Carvalho, D Casey, H Castilla-Valdez, D Chakraborty, KM Chan, SV Chekulaev, DK Cho, S Choi, S Chopra, D Claes, AR Clark, B Connolly, WE Cooper, D Coppage, S Crépé-Renaudin, M Cummings, D Cutts, H Motta, GA Davis, K De, SJ Jong, M Demarteau, R Demina, P Demine, D Denisov, SP Denisov, S Desai, HT Diehl, M Diesburg, S Doulas, LV Dudko, S Duensing, L Duflot, SR Dugad, A Duperrin, A Dyshkant, D Edmunds, J Ellison

Abstract:

We present the results of a search for the production of new particles decaying into two jets in [Formula Presented]collisions at [Formula Presented] using the DØ 1992–1995 data set corresponding to [Formula Presented] We exclude at the 95% confidence level the production of excited quarks [Formula Presented] with masses below 775 GeV/[Formula Presented] the most restrictive limit to date. We also exclude standard-model-like [Formula Presented][Formula Presented] bosons with masses between 300 and 800 GeV/[Formula Presented](400 and 640 GeV/[Formula Presented] A [Formula Presented]boson with mass [Formula Presented] has been excluded by previous measurements, and our lower limit is therefore the most stringent to date. © 2004 The American Physical Society.
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A precision measurement of the mass of the top quark

NATURE 429:6992 (2004) 638-642

Authors:

VM Abazov, B Abbott, A Abdesselam, M Abolins, V Abramov, BS Acharya, DL Adams, M Adams, SN Ahmed, GD Alexeev, A Alton, GA Alves, Y Arnoud, C Avila, VV Babintsev, L Babukhadia, TC Bacon, A Baden, S Baffioni, B Baldin, PW Balm, S Banerjee, E Barberis, P Baringer, J Barreto, JF Bartlett, U Bassler, D Bauer, A Bean, F Beaudette, M Begel, A Belyaev, SB Beri, G Bernardi, I Bertram, A Besson, R Beuselinck, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, G Blazey, F Blekman, S Blessing, A Boehnlein, NI Bojko, TA Bolton, F Borcherding, K Bos, T Bose, A Brandt, G Briskin, R Brock, G Brooijmans, A Bross, D Buchholz, M Buehler, V Buescher, VS Burtovoi, JM Butler, F Canelli, W Carvalho, D Casey, H Castilla-Valdez, D Chakraborty, KM Chan, SV Chekulaev, DK Cho, S Choi, S Chopra, D Claes, AR Clark, B Connolly, WE Cooper, D Coppage, S Crépé-Renaudin, MAC Cummings, D Cutts, H da Motta, GA Davis, K De, SJ de Jong, M Demarteau, R Demina, P Demine, D Denisov, SP Denisov, S Desai, HT Diehl, M Diesburg, S Doulas, LV Dudko, L Duflot, SR Dugad, A Duperrin, A Dyshkant, D Edmunds, J Ellison, JT Eltzroth, VD Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, OV Eroshin, J Estrada, H Evans, VN Evdokimov, T Ferbel, F Filthaut, HE Fisk, M Fortner, H Fox, S Fu, S Fuess, E Gallas, AN Galyaev, M Gao, V Gavrilov, RJ Genik, K Genser, CE Gerber, Y Gershtein, G Ginther, B Gómez, PI Goncharov, K Gounder, A Goussiou, PD Grannis, H Greenlee, ZD Greenwood, S Grinstein, L Groer, S Grünendahl, MW Grünewald, SN Gurzhiev, G Gutierrez, P Gutierrez, NJ Hadley, H Haggerty, S Hagopian, V Hagopian, RE Hall, C Han, S Hansen, JM Hauptman, C Hebert, D Hedin, JM Heinmiller, AP Heinson, U Heintz, MD Hildreth, R Hirosky, JD Hobbs, B Hoeneisen, J Huang, Y Huang, I Iashvili, R Illingworth, AS Ito, M Jaffré, S Jain, R Jesik, K Johns, M Johnson, A Jonckheere, H Jöstlein, A Juste, W Kahl, S Kahn, E Kajfasz, AM Kalinin, D Karmanov, D Karmgard, R Kehoe, S Kesisoglou, A Khanov, A Kharchilava, B Klima, JM Kohli, AV Kostritskiy, J Kotcher, B Kothari, AV Kozelov, EA Kozlovsky, J Krane, MR Krishnaswamy, P Krivkova, S Krzywdzinski, M Kubantsev, S Kuleshov, Y Kulik, S Kunori, A Kupco, VE Kuznetsov, G Landsberg, WM Lee, A Leflat, F Lehner, C Leonidopoulos, J Li, QZ Li, JGR Lima, D Lincoln, SL Linn, J Linnemann, R Lipton, A Lucotte, L Lueking, C Lundstedt, C Luo, AKA Maciel, RJ Madaras, VL Malyshev, V Manankov, HS Mao, T Marshall, MI Martin, SEK Mattingly, AA Mayorov, R McCarthy, T McMahon, HL Melanson, A Melnitchouk, A Merkin, KW Merritt, C Miao, H Miettinen, D Mihalcea, N Mokhov, NK Mondal, HE Montgomery, RW Moore, YD Mutaf, E Nagy, M Narain, VS Narasimham, NA Naumann, HA Neal, JP Negret, S Nelson, A Nomerotski, T Nunnemann, D O'Neil, V Oguri, N Oshima, P Padley, K Papageorgiou, N Parashar, R Partridge, N Parua, A Patwa, O Peters, P Pétroff, R Piegaia, BG Pope, HB Prosper, S Protopopescu, MB Przybycien, J Qian, S Rajagopalan, PA Rapidis, NW Reay, S Reucroft, M Ridel, M Rijssenbeek, F Rizatdinova, T Rockwell, C Royon, P Rubinov, R Ruchti, BM Sabirov, G Sajot, A Santoro, L Sawyer, RD Schamberger, H Schellman, A Schwartzman, E Shabalina, RK Shivpuri, D Shpakov, M Shupe, RA Sidwell, V Simak, V Sirotenko, P Slattery, RP Smith, GR Snow, J Snow, S Snyder, J Solomon, Y Song, V Sorín, M Sosebee, N Sotnikova, K Soustruznik, M Souza, NR Stanton, G Steinbrück, D Stoker, V Stolin, A Stone, DA Stoyanova, MA Strang, M Strauss, M Strovink, L Stutte, A Sznajder, M Talby, W Taylor, S Tentindo-Repond, TG Trippe, AS Turcot, PM Tuts, R Van Kooten, V Vaniev, N Varelas, F Villeneuve-Seguier, AA Volkov, AP Vorobiev, HD Wahl, ZM Wang, J Warchol, G Watts, M Wayne, H Weerts, A White, D Whiteson, DA Wijngaarden, S Willis, SJ Wimpenny, J Womersley, DR Wood, Q Xu, R Yamada, T Yasuda, YA Yatsunenko, K Yip, J Yu, M Zanabria, X Zhang, B Zhou, Z Zhou, M Zielinski, D Zieminska, A Zieminski, V Zutshi, EG Zverev, A Zylberstejn
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Observation and properties of the X(3872) decaying to J/ψπ+π- in p(p)over-bar collisions at √s=1.96 TeV - art. no. 162002

PHYSICAL REVIEW LETTERS 93:16 (2004) ARTN 162002

Authors:

VM Abazov, B Abbott, M Abolins, BS Acharya, DL Adams, M Adams, T Adams, M Agelou, JL Agram, SN Ahmed, SH Ahn, GD Alexeev, G Alkhazov, A Alton, G Alverson, GA Alves, S Anderson, B Andrieu, Y Arnoud, A Askew, B Åsman, C Autermann, C Avila, L Babukhadia, TC Bacon, A Baden, S Baffioni, 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, F Beaudette, M Begel, SB Beri, G Bernardi, I Bertram, M Besançon, A Besson, R Beuselinck, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, M Binder, A Bischoff, KM Black, I Blackler, G Blazey, F Blekman, D Bloch, U Blumenschein, A Boehnlein, TA Bolton, P Bonamy, F Borcherding, G Borissov, K Bos, T Bose, C Boswell, A Brandt, G Briskin, R Brock, G Brooijmans, A Bross, D Buchholz, M Buehler, V Buescher, S Burdin, TH Burnett, E Busato, JM Butler, J Bystricky, F Canelli, W Carvalho, BCK Casey, D Casey, NM Cason, H Castilla-Valdez, S Chakrabarti, D Chakraborty, KM Chan, A Chandra, D Chapin, F Charles, E Cheu, L Chevalier, DK Cho, S Choi, S Chopra, T Christiansen, L Christofek, D Claes, AR Clark, C Clément, Y Coadou, DJ Colling, L Coney, B Connolly, WE Cooper, D Coppage, M Corcoran, J Coss, A Cothenet, MC Cousinou, S Crépé-Renaudin, M Cristetiu, MAC Cummings, 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, K Del Signore, F Déliot, PA Delsart, M Demarteau, R Demina, P Demine, D Denisov, SP Denisov, S Desai, HT Diehl, M Diesburg, M Doidge, H Dong, S Doulas, L Duflot, SR Dugad, A Duperrin, J Dyer, A Dyshkant, M Eads, D Edmunds, T Edwards, J Ellison, J Elmsheuser, JT Eltzroth, VD Elvira, S Eno, P Ermolov, OV Eroshin, J Estrada, D Evans, H Evans, A Evdokimov, VN Evdokimov, J Fast, SN Fatakia, D Fein, L Feligioni, T Ferbel, F Fiedler, F Filthaut, HE Fisk, F Fleuret, M Fortner, H Fox, W Freeman, S Fu, S Fuess, CF Galea, E Gallas, E Galyaev, M Gao, C Garcia, A Garcia-Bellido, J Gardner, V Gavrilov, D Gelé, R Gelhaus, K Genser, CE Gerber, Y Gershtein, G Geurkov, G Ginther, K Goldmann, T Golling, B Gómez, K Gounder, A Goussiou, G Graham, PD Grannis, S Greder, JA Green, H Greenlee, ZD Greenwood, EM Gregores, S Grinstein, JF Grivaz, L Groer, S Grünendahl, MW Grünewald, W Gu, SN Gurzhiev, G Gutierrez, P Gutierrez, A Haas, NJ Hadley, H Haggerty, S Hagopian, I Hall, RE Hall, C Han, L Han, K Hanagaki, P Hanlet, K Harder, JM Hauptman, R Hauser, C Hays, J Hays, C Hebert, 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, S Hou, Y Hu, J Huang, Y Huang, I Iashvili, R Illingworth, AS Ito, S Jabeen, M Jaffré, S Jain, V Jain, K Jakobs, A Jenkins, R Jesik, Y Jiang, K Johns, M Johnson, P Johnson, A Jonckheere, P Jonsson, H Jöstlein, A Juste, MM Kado, D Käfer, W Kahl, S Kahn, E Kajfasz, AM Kalinin, J Kalk, D Karmanov, J Kasper, D Kau, Z Ke, R Kehoe, S Kermiche, S Kesisoglou, A Khanov, A Kharchilava, YM Kharzheev, KH Kim, B Klima, M Klute, JM Kohli, M Kopal, V Korablev, J Kotcher, B Kothari, AV Kotwal, A Koubarovsky, A Kouchner, O Kouznetsov, AV Kozelov, J Kozminski, J Krane, MR Krishnaswamy, S Krzywdzinski, M Kubantsev, S Kuleshov, Y Kulik, S Kunori, A Kupco, T Kurca, VE Kuznetsov, S Lager, N Lahrichi, G Landsberg, J Lazoflores, AC Le Bihan, P Lebrun, SW Lee, WM Lee, A Leflat, C Leggett, F Lehner, C Leonidopoulos, P Lewis, J Li, QZ Li, X Li, JGR Lima, D Lincoln, SL Linn, J Linnemann, R Lipton, L Lobo, A Lobodenko, M Lokajicek, A Lounis, J Lu, HJ Lubatti, A Lucotte, L Lueking, C Luo, M Lynker, AL Lyon, AKA Maciel, RJ Madaras, P Mättig, AM Magnan, M Maity, PK Mal, S Malik, VL Malyshev, V Manankov, HS Mao, Y Maravin, T Marshall, M Martens, MI Martin, SEK Mattingly, AA Mayorov, R McCarthy, R McCroskey, T McMahon, D Meder, HL Melanson, A Melnitchouk, X Meng, M Merkin, KW Merritt, A Meyer, C Miao, H Miettinen, D Mihalcea, CS Mishra, J Mitrevski, N Mokhov, J Molina, NK Mondal, HE Montgomery, RW Moore, M Mostafa, GS Muanza, M Mulders, YD Mutaf, E Nagy, F Nang, M Narain, VS Narasimham, 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, B Olivier, N Oshima, GJOY Garzón, P Padley, K Papageorgiou, N Parashar, J Park, SK Park, J Parsons, R Partridge, N Parua, A Patwa, PM Perea, E Perez, O Peters, P Pétroff, M Petteni, L Phaf, R Piegaia, PLM Podesta-Lerma, VM Podstavkov, BG Pope, E Popkov, WLP da Silva, HB Prosper, S Protopopescu, MB Przybycien, J Qian, A Quadt, B Quinn, KJ Rani, PA Rapidis, PN Ratoff, NW Reay, JF Renardy, S Reucroft, J Rha, M Ridel, M Rijssenbeek, I Ripp-Baudot, F Rizatdinova, C Royon, P Rubinov, R Ruchti, BM Sabirov, G Sajot, A Sánchez-Hernández, MP Sanders, A Santoro, G Savage, L Sawyer, T Scanlon, RD Schamberger, H Schellman, P Schieferdecker, C Schmitt, A Schukin, A Schwartzman, R Schwienhorst, S Sengupta, E Shabalina, V Shary, WD Shephard, D Shpakov, RA Sidwell, V Simak, V Sirotenko, D Skow, P Slattery, RP Smith, K Smolek, GR Snow, J Snow, S Snyder, S Söldner-Rembold, X Song, Y Song, L Sonnenschein, A Sopczak, V Sorín, M Sosebee, K Soustruznik, M Souza, NR Stanton, J Stark, J Steele, G Steinbrück, K Stevenson, V Stolin, A Stone, DA Stoyanova, J Strandberg, MA Strang, M Strauss, R Ströhmer, M Strovink, L Stutte, A Sznajder, M Talby, P Tamburello, W Taylor, P Telford, J Temple, S Tentindo-Repond, E Thomas, B Thooris, M Tomoto, T Toole, J Torborg, S Towers, T Trefzger, S Trincaz-Duvoid, TG Trippe, 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, I Vasilyev, M Vaupel, P Verdier, LS Vertogradov, M Verzocchi, F Villeneuve-Seguier, JR Vlimant, E Von Toerne, M Vreeswijk, T Vu Anh, HD Wahl, R Walker, N Wallace, ZM Wang, J Warchol, M Warsinsky, G Watts, M Wayne, M Weber, H Weerts, M Wegner, A White, V White, D Whiteson, D Wicke, DA Wijngaarden, GW Wilson, SJ Wimpenny, J Wittlin, T Wlodek, M Wobisch, J Womersley, DR Wood, Z Wu, TR Wyatt, Q Xu, N Xuan, R Yamada, T Yasuda, YA Yatsunenko, Y Yen, K Yip, SW Youn, J Yu, A Yurkewicz, A Zabi, A Zatserklyaniy, M Zdrazil, C Zeitnitz, B Zhang, D Zhang, X Zhang, T Zhao, Z Zhao, H Zheng, B Zhou, Z Zhou, J Zhu, M Zielinski, D Zieminska, A Zieminski, R Zitoun, V Zutshi, EG Zverev, A Zylberstejn
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