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Discovery of X-ray Jets in the Microquasar H 1743-322

(2005)

Authors:

S Corbel, P Kaaret, RP Fender, AK Tzioumis, JA Tomsick, JA Orosz
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Improved Measurement of the Form Factors in the Decay Λc+→Λe+νe

Physical Review Letters American Physical Society (APS) 94:19 (2005) 191801

Authors:

JW Hinson, GS Huang, J Lee, DH Miller, V Pavlunin, R Rangarajan, B Sanghi, EI Shibata, IPJ Shipsey, D Cronin-Hennessy, CS Park, W Park, JB Thayer, EH Thorndike, TE Coan, YS Gao, F Liu, R Stroynowski, M Artuso, C Boulahouache, S Blusk, E Dambasuren, O Dorjkhaidav, R Mountain, H Muramatsu, R Nandakumar, T Skwarnicki, S Stone, JC Wang, SE Csorna, I Danko, G Bonvicini, D Cinabro, M Dubrovin, S McGee, A Bornheim, E Lipeles, SP Pappas, A Shapiro, WM Sun, AJ Weinstein, RA Briere, GP Chen, T Ferguson, G Tatishvili, H Vogel, ME Watkins, NE Adam, JP Alexander, K Berkelman, V Boisvert, DG Cassel, JE Duboscq, KM Ecklund, R Ehrlich, RS Galik, L Gibbons, B Gittelman, SW Gray, DL Hartill, BK Heltsley, L Hsu, CD Jones, J Kandaswamy, DL Kreinick, A Magerkurth, H Mahlke-Krüger, TO Meyer, NB Mistry, JR Patterson, D Peterson, J Pivarski, SJ Richichi, D Riley, AJ Sadoff, H Schwarthoff, MR Shepherd, JG Thayer, D Urner, T Wilksen, A Warburton, M Weinberger, SB Athar, P Avery, L Breva-Newell, V Potlia, H Stoeck, J Yelton, K Benslama, C Cawlfield, BI Eisenstein, GD Gollin, I Karliner, N Lowrey, C Plager, C Sedlack, M Selen, JJ Thaler, J Williams, KW Edwards, D Besson, S Anderson, VV Frolov, DT Gong, Y Kubota, SZ Li, R Poling, A Smith, CJ Stepaniak, J Urheim, Z Metreveli, KK Seth, A Tomaradze, P Zweber, S Ahmed, MS Alam, J Ernst, L Jian, M Saleem, F Wappler, K Arms, E Eckhart, KK Gan, C Gwon, K Honscheid, H Kagan, R Kass, TK Pedlar, E von Toerne, H Severini, P Skubic, SA Dytman, JA Mueller, S Nam, V Savinov
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Measurement of charged-particle multiplicities in gluon and quark jets in pp̄ collisions at √s = 1:8 TeV

Physical Review Letters 94:17 (2005)

Authors:

D Acosta, T Affolder, MG Albrow, D Ambrose, D Amidei, K Anikeev, J Antos, G Apollinari, T Arisawa, A Artikov, W Ashmanskas, F Azfar, P Azzi-Bacchetta, N Bacchetta, H Bachacou, W Badgett, A Barbaro-Galtieri, VE Barnes, BA Barnett, S Baroiant, M Barone, G Bauer, F Bedeschi, S Behari, S Belforte, WH Bell, G Bellettini, J Bellinger, D Benjamin, A Beretvas, A Bhatti, M Binkley, D Bisello, M Bishai, RE Blair, C Blocker, K Bloom, B Blumenfeld, A Bocci, A Bodek, G Bolla, A Bolshov, D Bortoletto, J Boudreau, C Bromberg, E Brubaker, J Budagov, HS Budd, K Burkett, G Busetto, KL Byrum, S Cabrera, M Campbell, W Carithers, D Carlsmith, A Castro, D Cauz, A Cerri, L Cerrito, J Chapman, C Chen, YC Chen, M Chertok, G Chiarelli, G Chlachidze, F Chlebana, ML Chu, JY Chung, WH Chung, YS Chung, CI Ciobanu, AG Clark, M Coca, A Connolly, M Convery, J Conway, M Cordelli, J Cranshaw, R Culbertson, D Dagenhart, S D'Auria, P de Barbaro, S de Cecco, S Dell'Agnello, M Dell'Orso, S Demers, L Demortier, M Deninno, D de Pedis, PF Derwent, C Dionisi, JR Dittmann, A Dominguez, S Donati, M D'Onofrio, T Dorigo, N Eddy, R Erbacher, D Errede, S Errede

Abstract:

We report the first largely model independent measurement of charged particle multiplicities in quark and gluon jets, Nq and Ng, produced at the Fermilab Tevatron in pp collisions with a center-of-mass energy of 1.8 TeV and recorded by the Collider Detector at Fermilab. The measurements are made for jets with average energies of 41 and 53 GeV by counting charged particle tracks in cones with opening angles of θc = 0:28, 0.36, and 0.47 rad around the jet axis. The corresponding jet hardness Q = Ejetθc varies in the range from 12 to 25 GeV. At Q = 19:2 GeV, the ratio of multiplicities r = Ng=Nq is found to be 1:64 ± 0:17, where statistical and systematic uncertainties are added in quadrature. The results are in agreement with resummed perturbative QCD calculations.
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Measurement of the B0→D*-Ds*+ and Ds+→ϕπ+ branching fractions

Physical Review D American Physical Society (APS) 71:9 (2005) 091104

Authors:

B Aubert, R Barate, D Boutigny, F Couderc, Y Karyotakis, JP Lees, V Poireau, V Tisserand, A Zghiche, E Grauges-Pous, A Palano, M Pappagallo, A Pompili, JC Chen, ND Qi, G Rong, P Wang, YS Zhu, G Eigen, I Ofte, B Stugu, GS Abrams, AW Borgland, AB Breon, DN Brown, J Button-Shafer, RN Cahn, E Charles, CT Day, MS Gill, AV Gritsan, Y Groysman, RG Jacobsen, RW Kadel, J Kadyk, LT Kerth, Yu G Kolomensky, G Kukartsev, G Lynch, LM Mir, PJ Oddone, TJ Orimoto, M Pripstein, NA Roe, MT Ronan, WA Wenzel, M Barrett, KE Ford, TJ Harrison, AJ Hart, CM Hawkes, SE Morgan, AT Watson, M Fritsch, K Goetzen, T Held, H Koch, B Lewandowski, M Pelizaeus, K Peters, T Schroeder, M Steinke, JT Boyd, JP Burke, N Chevalier, WN Cottingham, MP Kelly, T Cuhadar-Donszelmann, C Hearty, NS Knecht, TS Mattison, JA McKenna, D Thiessen, A Khan, P Kyberd, L Teodorescu, AE Blinov, VE Blinov, AD Bukin, VP Druzhinin, VB Golubev, VN Ivanchenko, EA Kravchenko, AP Onuchin, SI Serednyakov, Yu I Skovpen, EP Solodov, AN Yushkov, D Best, M Bondioli, M Bruinsma, M Chao, I Eschrich, D Kirkby, AJ Lankford, M Mandelkern, RK Mommsen, W Roethel, DP Stoker, C Buchanan, BL Hartfiel, AJR Weinstein, SD Foulkes, JW Gary, O Long, BC Shen, K Wang, L Zhang, D del Re, HK Hadavand, EJ Hill, DB MacFarlane, HP Paar, Sh Rahatlou, V Sharma, JW Berryhill, C Campagnari, A Cunha, B Dahmes, TM Hong, A Lu, MA Mazur, JD Richman, W Verkerke, TW Beck, AM Eisner, CJ Flacco, CA Heusch, J Kroseberg, WS Lockman, G Nesom, T Schalk, BA Schumm, A Seiden, P Spradlin, DC Williams, MG Wilson, J Albert, E Chen, GP Dubois-Felsmann, A Dvoretskii, DG Hitlin, I Narsky, T Piatenko, FC Porter, A Ryd, A Samuel, S Yang, S Jayatilleke, G Mancinelli, BT Meadows, MD Sokoloff, F Blanc, P Bloom, S Chen, WT Ford, U Nauenberg, A Olivas, P Rankin, WO Ruddick, JG Smith, KA Ulmer, J Zhang, A Chen, EA Eckhart, JL Harton, A Soffer, WH Toki, RJ Wilson, Q Zeng, B Spaan, D Altenburg, T Brandt, J Brose, M Dickopp, E Feltresi, A Hauke, HM Lacker, E Maly, R Nogowski, S Otto, A Petzold, G Schott, J Schubert, KR Schubert, R Schwierz, JE Sundermann, D Bernard, GR Bonneaud, P Grenier, S Schrenk, Ch Thiebaux, G Vasileiadis, M Verderi, DJ Bard, PJ Clark, W Gradl, F Muheim, S Playfer, Y Xie, M Andreotti, V Azzolini, D Bettoni, C Bozzi, R Calabrese, G Cibinetto, E Luppi, M Negrini, L Piemontese, A Sarti, F Anulli, R Baldini-Ferroli, A Calcaterra, R de Sangro, G Finocchiaro, P Patteri, IM Peruzzi, M Piccolo, A Zallo, A Buzzo, R Capra, R Contri, M Lo Vetere, M Macri, MR Monge, S Passaggio, C Patrignani, E Robutti, A Santroni, S Tosi, S Bailey, G Brandenburg, KS Chaisanguanthum, M Morii, E Won, RS Dubitzky, U Langenegger, J Marks, U Uwer, W Bhimji, DA Bowerman, PD Dauncey, U Egede, JR Gaillard, GW Morton, JA Nash, MB Nikolich, GP Taylor, MJ Charles, GJ Grenier, U Mallik, J Cochran, HB Crawley, WT Meyer, S Prell, EI Rosenberg, AE Rubin, J Yi, N Arnaud, M Davier, X Giroux, G Grosdidier, A Höcker, F Le Diberder, V Lepeltier, AM Lutz, TC Petersen, M Pierini, S Plaszczynski, S Rodier, P Roudeau, MH Schune, A Stocchi, G Wormser, CH Cheng, DJ Lange, MC Simani, DM Wright, AJ Bevan, CA Chavez, JP Coleman, IJ Forster, JR Fry, E Gabathuler, R Gamet, KA George, DE Hutchcroft, RJ Parry, DJ Payne, C Touramanis, CM Cormack, F Di Lodovico, CL Brown, G Cowan, RL Flack, HU Flaecher, MG Green, PS Jackson, TR McMahon, S Ricciardi, F Salvatore, MA Winter, D Brown, CL Davis, J Allison, NR Barlow, RJ Barlow, MC Hodgkinson, GD Lafferty, MT Naisbit, JC Williams, C Chen, A Farbin, WD Hulsbergen, A Jawahery, D Kovalskyi, CK Lae, V Lillard, DA Roberts, G Blaylock, C Dallapiccola, SS Hertzbach, R Kofler, VB Koptchev, TB Moore, S Saremi, H Staengle, S Willocq, R Cowan, K Koeneke, G Sciolla, SJ Sekula, F Taylor, RK Yamamoto, PM Patel, SH Robertson, A Lazzaro, V Lombardo, F Palombo, JM Bauer, L Cremaldi, V Eschenburg, R Godang, R Kroeger, J Reidy, DA Sanders, DJ Summers, HW Zhao, S Brunet, D Côté, P Taras, H Nicholson, N Cavallo, G De Nardo, F Fabozzi, C Gatto, L Lista, D Monorchio, P Paolucci, D Piccolo, C Sciacca, M Baak, H Bulten, G Raven, HL Snoek, L Wilden, CP Jessop, JM LoSecco, T Allmendinger, G Benelli, KK Gan, K Honscheid, D Hufnagel, H Kagan, R Kass, T Pulliam, AM Rahimi, R Ter-Antonyan, QK Wong, J Brau, R Frey, O Igonkina, M Lu, CT Potter, NB Sinev, D Strom, E Torrence, F Colecchia, A Dorigo, F Galeazzi, M Margoni, M Morandin, M Posocco, M Rotondo, F Simonetto, R Stroili, C Voci, M Benayoun, H Briand, J Chauveau, P David, L Del Buono, Ch de la Vaissière, O Hamon, MJJ John, Ph Leruste, J Malclès, J Ocariz, L Roos, G Therin, PK Behera, L Gladney, QH Guo, J Panetta, M Biasini, R Covarelli, S Pennazzi, M Pioppi, C Angelini, G Batignani, S Bettarini, F Bucci, G Calderini, M Carpinelli, F Forti, MA Giorgi, A Lusiani, G Marchiori, M Morganti, N Neri, E Paoloni, M Rama, G Rizzo, G Simi, J Walsh, M Haire, D Judd, K Paick, DE Wagoner, N Danielson, P Elmer, YP Lau, C Lu, J Olsen, AJS Smith, AV Telnov, F Bellini, G Cavoto, A D’Orazio, E Di Marco, R Faccini, F Ferrarotto, F Ferroni, M Gaspero, L Li Gioi, MA Mazzoni, S Morganti, G Piredda, F Polci, F Safai Tehrani, C Voena, S Christ, H Schröder, G Wagner, R Waldi, T Adye, N De Groot, B Franek, GP Gopal, EO Olaiya, FF Wilson, R Aleksan, S Emery, A Gaidot, SF Ganzhur, P-F Giraud, G Graziani, G Hamel de Monchenault, W Kozanecki, M Legendre, GW London, B Mayer, G Vasseur, Ch Yèche, M Zito, MV Purohit, AW Weidemann, JR Wilson, FX Yumiceva, T Abe, D Aston, R Bartoldus, N Berger, AM Boyarski, OL Buchmueller, R Claus, MR Convery, M Cristinziani, JC Dingfelder, D Dong, J Dorfan, D Dujmic, W Dunwoodie, S Fan, RC Field, T Glanzman, SJ Gowdy, T Hadig, V Halyo, C Hast, T Hryn’ova, WR Innes, MH Kelsey, P Kim, ML Kocian, DWGS Leith, J Libby, S Luitz, V Luth, HL Lynch, H Marsiske, R Messner, AK Mohapatra, DR Muller, CP O’Grady, VE Ozcan, A Perazzo, M Perl, BN Ratcliff, A Roodman, AA Salnikov, RH Schindler, J Schwiening, A Snyder, A Soha, J Stelzer, J Strube, D Su, MK Sullivan, J Va’vra, SR Wagner, M Weaver, WJ Wisniewski, M Wittgen, DH Wright, AK Yarritu, CC Young, PR Burchat, AJ Edwards, SA Majewski, BA Petersen, C Roat, M Ahmed, S Ahmed, MS Alam, JA Ernst, MA Saeed, M Saleem, FR Wappler, W Bugg, M Krishnamurthy, SM Spanier, R Eckmann, H Kim, JL Ritchie, A Satpathy, RF Schwitters, JM Izen, I Kitayama, XC Lou, S Ye, F Bianchi, M Bona, F Gallo, D Gamba, M Bomben, L Bosisio, C Cartaro, F Cossutti, G Della Ricca, S Dittongo, S Grancagnolo, L Lanceri, P Poropat, L Vitale, G Vuagnin, F Martinez-Vidal, RS Panvini, Sw Banerjee, B Bhuyan, CM Brown, D Fortin, K Hamano, PD Jackson, R Kowalewski, JM Roney, RJ Sobie, JJ Back, PF Harrison, TE Latham, GB Mohanty, HR Band, X Chen, B Cheng, S Dasu, M Datta, AM Eichenbaum, KT Flood, M Graham, JJ Hollar, JR Johnson, PE Kutter, H Li, R Liu, B Mellado, A Mihalyi, Y Pan, R Prepost, P Tan, JH von Wimmersperg-Toeller, J Wu, SL Wu, Z Yu, MG Greene, H Neal
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Search for ZZ and ZW production in pp̄ collisions at s=1.96TeV

Physical Review D - Particles, Fields, Gravitation and Cosmology 71:9 (2005) 1-7

Authors:

D Acosta, J Adelman, T Affolder, T Akimoto, MG Albrow, D Ambrose, S Amerio, D Amidei, A Anastassov, K Anikeev, A Annovi, J Antos, M Aoki, G Apollinari, T Arisawa, JF Arguin, A Artikov, W Ashmanskas, A Attal, F Azfar, P Azzi-Bacchetta, N Bacchetta, H Bachacou, W Badgett, A Barbaro-Galtieri, GJ Barker, VE Barnes, BA Barnett, S Baroiant, M Barone, G Bauer, F Bedeschi, S Behari, S Belforte, G Bellettini, J Bellinger, E Ben-Haim, D Benjamin, A Beretvas, A Bhatti, M Binkley, D Bisello, M Bishai, RE Blair, C Blocker, K Bloom, B Blumenfeld, A Bocci, A Bodek, G Bolla, A Bolshov, PSL Booth, D Bortoletto, J Boudreau, S Bourov, B Brau, C Bromberg, E Brubaker, J Budagov, HS Budd, K Burkett, G Busetto, P Bussey, KL Byrum, S Cabrera, M Campanelli, M Campbell, A Canepa, M Casarsa, D Carlsmith, S Carron, R Carosi, M Cavalli-Sforza, A Castro, P Catastini, D Cauz, A Cerri, L Cerrito, J Chapman, C Chen, YC Chen, M Chertok, G Chiarelli, G Chlachidze, F Chlebana, I Cho, K Cho, D Chokheli, JP Chou, ML Chu, S Chuang, JY Chung, WH Chung, YS Chung, CI Ciobanu, MA Ciocci, AG Clark, D Clark, M Coca, A Connolly

Abstract:

We present a search for ZZ and ZW vector boson pair production in pp̄ collisions at s=1.96TeV using the leptonic decay channels ZZ→llνν, ZZ→lll′l′, and ZW→lll′ν. In a data sample corresponding to an integrated luminosity of 194pb-1 collected with the Collider Detector at Fermilab, 3 candidate events are found with an expected background of 1.0±0.2 events. We set a 95% confidence level upper limit of 15.2pb on the cross section for ZZ plus ZW production, compared to the standard model prediction of 5.0±0.4pb. © 2005 The American Physical Society.
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