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Studies of D+→{η′,η,}e +νe

Physical Review D - Particles, Fields, Gravitation and Cosmology 84:3 (2011)

Authors:

J Yelton, P Rubin, N Lowrey, S Mehrabyan, M Selen, J Wiss, M Kornicer, RE Mitchell, MR Shepherd, CM Tarbert, D Besson, TK Pedlar, J Xavier, D Cronin-Hennessy, J Hietala, P Zweber, S Dobbs, Z Metreveli, KK Seth, A Tomaradze, T Xiao, S Brisbane, J Libby, L Martin, A Powell, P Spradlin, G Wilkinson, H Mendez, JY Ge, DH Miller, IPJ Shipsey, B Xin, GS Adams, D Hu, B Moziak, J Napolitano, KM Ecklund, J Insler, H Muramatsu, CS Park, LJ Pearson, EH Thorndike, F Yang, S Ricciardi, C Thomas, M Artuso, S Blusk, R Mountain, T Skwarnicki, S Stone, JC Wang, LM Zhang, G Bonvicini, D Cinabro, A Lincoln, MJ Smith, P Zhou, J Zhu, P Naik, J Rademacker, DM Asner, KW Edwards, K Randrianarivony, G Tatishvili, RA Briere, H Vogel, PUE Onyisi, JL Rosner, JP Alexander, DG Cassel, S Das, R Ehrlich, L Fields, L Gibbons, R Gray, SW Gray, DL Hartill, BK Heltsley, DL Kreinick, VE Kuznetsov, JR Patterson, D Peterson, D Riley, A Ryd, AJ Sadoff, X Shi, WM Sun

Abstract:

We report the first observation of the decay D+→η ′e+νe in two analyses, which combined provide a branching fraction of B(D+→η ′e+νe)=(2.16±0.53±0.07) ×10-4. We also provide an improved measurement of B(D +→ηe+νe)=(11.4±0.9±0. 4)×10-4, provide the first form factor measurement, and set the improved upper limit B(D+→e+νe)<0. 9×10-4 (90%C.L.). © 2011 American Physical Society.
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Measurement of the top pair production cross section in the lepton+jets channel using a jet flavor discriminant

Physical Review D - Particles, Fields, Gravitation and Cosmology 84:3 (2011)

Authors:

T Aaltonen, B Álvarez González, S Amerio, D Amidei, A Anastassov, A Annovi, J Antos, G Apollinari, JA Appel, A Apresyan, T Arisawa, A Artikov, J Asaadi, W Ashmanskas, B Auerbach, A Aurisano, F Azfar, W Badgett, A Barbaro-Galtieri, VE Barnes, BA Barnett, P Barria, P Bartos, M Bauce, G Bauer, F Bedeschi, D Beecher, S Behari, G Bellettini, J Bellinger, D Benjamin, A Beretvas, A Bhatti, M Binkley, D Bisello, I Bizjak, KR Bland, B Blumenfeld, A Bocci, A Bodek, D Bortoletto, J Boudreau, A Boveia, B Brau, L Brigliadori, A Brisuda, C Bromberg, E Brucken, M Bucciantonio, J Budagov, HS Budd, S Budd, K Burkett, G Busetto, P Bussey, A Buzatu, C Calancha, S Camarda, M Campanelli, M Campbell, F Canelli, A Canepa, B Carls, D Carlsmith, R Carosi, S Carrillo, S Carron, B Casal, M Casarsa, A Castro, P Catastini, D Cauz, V Cavaliere, M Cavalli-Sforza, A Cerri, L Cerrito, YC Chen, M Chertok, G Chiarelli, G Chlachidze, F Chlebana, K Cho, D Chokheli, JP Chou, WH Chung, YS Chung, CI Ciobanu, MA Ciocci, A Clark, G Compostella, ME Convery, J Conway, M Corbo, M Cordelli, CA Cox, DJ Cox, F Crescioli, C Cuenca Almenar, J Cuevas, R Culbertson

Abstract:

We present a new method to measure the top quark pair production cross section and the background rates with data corresponding to an integrated luminosity of 2.7fb-1 from pp̄ collisions at √s=1.96TeV collected with the CDF II Detector. We select events with a single electron or muon candidate, missing transverse energy, and at least one b-tagged jet. We perform a simultaneous fit to a jet flavor discriminant across nine samples defined by the number of jets and b tags. An advantage of this approach is that many systematic uncertainties are measured in situ and inversely scale with integrated luminosity. We measure a top cross section of σ tt̄=7.64±0.57(stat+syst)±0.45(luminosity)pb. © 2011 American Physical Society.
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EMU: Evolutionary Map of the Universe

\pasa 28 (2011) 215-248-215-248

Authors:

RP Norris, AM Hopkins, J Afonso, S Brown, JJ Condon, L Dunne, I Feain, R Hollow, M Jarvis, M Johnston-Hollitt, E Lenc, E Middelberg, P Padovani, I Prandoni, L Rudnick, N Seymour, G Umana, H Andernach, DM Alexander, PN Appleton, D Bacon, J Banfield, W Becker, MJI Brown, P Ciliegi, C Jackson, S Eales, AC Edge, BM Gaensler, G Giovannini, CA Hales, P Hancock, MT Huynh, E Ibar, RJ Ivison, R Kennicutt, AE Kimball, AM Koekemoer, BS Koribalski, ÁR López-Sánchez, MY Mao, T Murphy, H Messias, KA Pimbblet, A Raccanelli, KE Randall, TH Reiprich, IG Roseboom, H Röttgering, DJ Saikia, RG Sharp, OB Slee, I Smail, MA Thompson, JS Urquhart, JV Wall, G-B Zhao
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GAMA/H-ATLAS: the ultraviolet spectral slope and obscuration in galaxies

\mnras 415 (2011) 1002-1012-1002-1012

Authors:

DB Wijesinghe, E da Cunha, AM Hopkins, L Dunne, R Sharp, M Gunawardhana, S Brough, EM Sadler, S Driver, I Baldry, S Bamford, J Liske, J Loveday, P Norberg, J Peacock, CC Popescu, R Tuffs, E Andrae, R Auld, M Baes, J Bland-Hawthorn, S Buttiglione, A Cava, E Cameron, CJ Conselice, A Cooray, S Croom, A Dariush, G Dezotti, S Dye, S Eales, C Frenk, J Fritz, D Hill, R Hopwood, E Ibar, R Ivison, M Jarvis, DH Jones, E van Kampen, L Kelvin, K Kuijken, SJ Maddox, B Madore, MJ Micha lowski, B Nichol, H Parkinson, E Pascale, KA Pimbblet, M Pohlen, M Prescott, G Rhodighiero, ASG Robotham, EE Rigby, M Seibert, S Sergeant, DJB Smith, P Temi, W Sutherland, E Taylor, D Thomas, P van der Werf
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Herschel-ATLAS: first data release of the Science Demonstration Phase source catalogues

\mnras 415 (2011) 2336-2348-2336-2348

Authors:

EE Rigby, SJ Maddox, L Dunne, M Negrello, DJB Smith, J González-Nuevo, D Herranz, M López-Caniego, R Auld, S Buttiglione, M Baes, A Cava, A Cooray, DL Clements, A Dariush, G de Zotti, S Dye, S Eales, D Frayer, J Fritz, R Hopwood, E Ibar, RJ Ivison, M Jarvis, P Panuzzo, E Pascale, M Pohlen, G Rodighiero, S Serjeant, P Temi, MA Thompson
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