Title: | Measurement of the Lambda(b) cross section and the (Lambda)over-bar(b) to Lambda(b) ratio with J/psi Lambda decays in pp collisions at root s=7 TeV CMS Collaboration |
Authors: | Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Bergauer, T Dragicevic, M Eroe, J Fabjan, C Friedl, M Fruehwirth, R Delaere, C Cuevas, J Yang, M Yilmaz, Y Yoon, AS Zanetti, M Cooper, SI Cushman, P Dahmes, B De Benedetti, A Liko, D Avila, C Fernandez Menendez, J Franzoni, G Gude, A Haupt, J Kao, SC Klapoetke, K Kubota, Y Mans, J Pastika, N Rusack, R Sasseville, M Folgueras, S Gomez, JP Singovsky, A Tambe, N Turkewitz, J Cremaldi, LM Kroeger, R Perera, L Rahmat, R Sanders, DA Avdeeva, E Gonzalez Caballero, I Bloom, K Gomez Moreno, B Bose, S Butt, J Claes, DR Dominguez, A Eads, M Jindal, P Keller, J Kravchenko, I Lloret Iglesias, L Lazo-Flores, J Malbouisson, H Osorio Oliveros, AF Malik, S Snow, GR Baur, U Godshalk, A Iashvili, I Jain, S Kharchilava, A Piedra Gomez, J Kumar, A Shipkowski, SP Smith, K Sanabria, JC Alverson, G Barberis, E Baumgartel, D Chasco, M Haley, J Nash, D Brochero Cifuentes, JA Trocino, D Wood, D Zhang, J Anastassov, A Godinovic, N Kubik, A Mucia, N Odell, N Ofierzynski, RA Pollack, B Cabrillo, IJ Pozdnyakov, A Schmitt, M Stoynev, S Velasco, M Won, S Lelas, D Antonelli, L Berry, D Brinkerhoff, A Hildreth, M Calderon, A Jessop, C Karmgard, DJ Kolb, J Lannon, K Luo, W Lynch, S Plestina, R Marinelli, N Morse, DM Pearson, T Nuttens, C Ruchti, R Slaunwhite, J Valls, N Wayne, M Wolf, M Bylsma, B Durkin, LS Polic, D Hill, C Hughes, R Vlasov, E Chuang, SH Kotov, K Ling, TY Puigh, D Rodenburg, M Vuosalo, C Williams, G Winer, BL Adam, N Puljak, I Berry, E Duarte Campderros, J Elmer, P Gerbaudo, D Halyo, V Hebda, P Hegeman, J Hunt, A Laird, E Pegna, DL Lujan, P Mikulec, I Felcini, M Antunovic, Z Marlow, D Medvedeva, T Mooney, M Olsen, J Piroue, P Quan, X Raval, A Saka, H Stickland, D Fernandez, M Tully, C Kovac, M Werner, JS Zuranski, A Acosta, JG Brownson, E Huang, XT Lopez, A Mendez, H Oliveros, S Gomez, G Vargas, JER Zatserklyaniy, A Brigljevic, V Alagoz, E Barnes, VE Benedetti, D Bolla, G Bortoletto, D De Mattia, M Everett, A Gonzalez Sanchez, J Hu, Z Jones, M Koybasi, O Duric, S Kress, M Laasanen, AT Leonardo, N Maroussov, V Merkel, P Miller, DH Jorda, C Neumeister, N Shipsey, I Silvers, D Svyatkovskiy, A Kadija, K Marono, MV Yoo, HD Zablocki, J Zheng, Y Guragain, S Lobelle Pardo, P Parashar, N Adair, A Boulahouache, C Cuplov, V Ecklund, KM Luetic, J Geurts, FJM Padley, BP Redjimi, R Roberts, J Lopez Virto, A Zabel, J Betchart, B Bodek, A Chung, YS Covarelli, R de Barbaro, P Morovic, S Demina, R Eshaq, Y Garcia-Bellido, A Marco, J Goldenzweig, P Gotra, Y Han, J Harel, A Korjenevski, S Miner, DC Vishnevskiy, D Attikis, A Zielinski, M Bhatti, A Zhokin, A Ghete, VM Ciesielski, R Demortier, L Goulianos, K Lungu, G Malik, S Mesropian, C Arora, S Barker, A Galanti, M Chou, JP Pagano, D Contreras-Campana, C Contreras-Campana, E Duggan, D Ferencek, D Gershtein, Y Gray, R Halkiadakis, E Hidas, D Lath, A Mavromanolakis, G Marco, R Panwalkar, S Park, M Patel, R Rekovic, V Richards, A Robles, J Rose, K Salur, S Schnetzer, S Seitz, C Martinez Rivero, C Pernicka, M Mousa, J Somalwar, S Stone, R Thomas, S Cerizza, G Hollingsworth, M Spanier, S Yang, ZC York, A Matorras, F Eusebi, R Flanagan, W Nicolaou, C Gilmore, J Kamon, T Khotilovich, V Montalvo, R Osipenkov, I Pakhotin, Y Perloff, A Munoz Sanchez, FJ Roe, J Safonov, A Sakuma, T Ptochos, F Sengupta, S Suarez, I Tatarinov, A Toback, D Akchurin, N Damgov, J Rodrigo, T Dudero, PR Jeong, C Kovitanggoon, K Lee, SW Razis, PA Libeiro, T Roh, Y Volobouev, I Appelt, E Engh, D Rodriguez-Marrero, AY Florez, C Greene, S Gurrola, A Johns, W Johnston, C Finger, M Kurt, P Maguire, C Melo, A Sheldon, P Ruiz-Jimeno, A Snook, B Tuo, S Velkovska, J Arenton, MW Balazs, M Boutle, S Finger, M Cox, B Francis, B Goodell, J Scodellaro, L Hirosky, R Ledovskoy, A Lin, C Neu, C Wood, J Yohay, R Gollapinni, S Assran, Y Harr, R Karchin, PE Belyaev, A Sobron Sanudo, M Don, CKK Lamichhane, P Sakharov, A Anderson, M Bachtis, M Belknap, D Borrello, L Carlsmith, D Elgammal, S Cepeda, M Vila, I Dasu, S Gray, L Grogg, KS Grothe, M Hall-Wilton, R Herndon, M Herve, A Klabbers, P Klukas, J Kamel, AE Pin, A Lanaro, A Lazaridis, C Leonard, J Loveless, R Mohapatra, A Ojalvo, I Pierro, GA Ross, I Savin, A Smith, WH Vilar Cortabitarte, R Khalil, S Swanson, J CMS Collaboration Rahbaran, B Mahmoud, MA Radi, A Kadastik, M Muentel, M Raidal, M Rebane, L Abbaneo, D Tiko, A Azzolini, V Eerola, P Fedi, G Rohringer, C Voutilainen, M Harkonen, J Heikkinen, A Karimaki, V Kinnunen, R Auffray, E Kortelainen, MJ Lampen, T Lassila-Perini, K Lehti, S Linden, T Rohringer, H Luukka, P Maenpaa, T Peltola, T Tuominen, E Auzinger, G Tuominiemi, J Tuovinen, E Ungaro, D Wendland, L Banzuzi, K Korpela, A Schoefbeck, R Tuuva, T Besancon, M Choudhury, S Baillon, P Dejardin, M Denegri, D Fabbro, B Faure, JL Ferri, F Ganjour, S Givernaud, A Strauss, J Gras, P de Monchenault, GH Ball, AH Jarry, P Locci, E Malcles, J Millischer, L Nayak, A Rander, J Rosowsky, A Shreyber, I Taurok, A Titov, M Barney, D Baffioni, S Beaudette, F Benhabib, L Bianchini, L Bluj, M Broutin, C Busson, P Charlot, C Daci, N Wagner, P Boos, E Bernet, C Dahms, T Dobrzynski, L de Cassagnac, RG Haguenauer, M Mine, P Mironov, C Ochando, C Paganini, P Sabes, D Salerno, R Bianchi, G Waltenberger, W Sirois, Y Veelken, C Zabi, A Agram, J-L Andrea, J Bloch, D Bodin, D Brom, J-M Cardaci, M Bloch, P Chabert, EC Walzel, G Collard, C Conte, E Drouhin, F Ferro, C Fontaine, J-C Gele, D Goerlach, U Juillot, P Piotrzkowski, K Karim, M Le Bihan, A-C Widl, E Van Hove, P Fassi, F Mercier, D Beauceron, S Beaupere, N Bondu, O Boudoul, G Bocci, A Brun, H Chasserat, J Chierici, R Wulz, C-E Contardo, D Depasse, P El Mamouni, H Fay, J Gascon, S Gouzevitch, M Bonato, A Ille, B Kurca, T Lethuillier, M Mirabito, L Mossolov, V Perries, S Sordini, V Tosi, S Tschudi, Y Verdier, P Breuker, H Viret, S Tsamalaidze, Z Anagnostou, G Beranek, S Edelhoff, M Shumeiko, N Feld, L Heracleous, N Hindrichs, O Jussen, R Camporesi, T Klein, K Merz, J Ostapchuk, A Perieanu, A Raupach, F Sammet, J Gonzalez, JS Schael, S Sprenger, D Weber, H Cerminara, G Wittmer, B Zhukov, V Ata, M Caudron, J Dietz-Laursonn, E Erdmann, M Gueth, A Bansal, S Hebbeker, T Heidemann, C Christiansen, T Hoepfner, K Klingebiel, D Kreuzer, P Lingemann, J Magass, C Merschmeyer, M Meyer, A Olschewski, M Cornelis, T Papacz, P Dubinin, M Perez, JAC Pieta, H Reithler, H Schmitz, SA Sonnenschein, L Steggemann, J Teyssier, D Weber, M Bontenackels, M Cherepanov, V De Wolf, EA D'Enterria, D Davids, M Fluegge, G Geenen, H Geisler, M Ahmad, WH Hoehle, F Kargoll, B Kress, T Kuessel, Y Linn, A Dabrowski, A Janssen, X Nowack, A Perchalla, L Pooth, O Rennefeld, J Sauerland, P Stahl, A Martin, MA Behr, J Behrenhoff, W De Roeck, A Behrens, U Luyckx, S Bergholz, M Bethani, A Borras, K Burgmeier, A Cakir, A Calligaris, L Campbell, A Castro, E Schul, N Costanza, F Dammann, D Maes, T Eckerlin, G Eckstein, D Fischer, D Flucke, G Geiser, A Glushkov, I Habib, S Di Guida, S Hauk, J Jung, H Kasemann, M Mucibello, L Katsas, P Kleinwort, C Kluge, H Knutsson, A Kraemer, M Kruecker, D Dobson, M Kuznetsova, E Lange, W Lohmann, W Lutz, B Ochesanu, S Mankel, R Marfin, I Marienfeld, M Melzer-Pellmann, I-A Meyer, AB Dupont-Sagorin, N Mnich, J Mussgiller, A Naumann-Emme, S Olzem, J Perrey, H Roland, B Petrukhin, A Pitzl, D Raspereza, A Cipriano, PMR Elliott-Peisert, A Riedl, C Rosin, M Salfeld-Nebgen, J Schmidt, R Schoerner-Sadenius, T Sen, N Rougny, R Spiridonov, A Stein, M Walsh, R Frisch, B Wissing, C Autermann, C Blobel, V Bobrovskyi, S Draeger, J Enderle, H Erfle, J Selvaggi, M Gebbert, U Goerner, M Dudko, L Funk, W Hermanns, T Hoeing, RS Kaschube, K Kaussen, G Kirschenmann, H Klanner, R Lange, J Mura, B Staykova, Z Nowak, F Georgiou, G Peiffer, T Pietsch, N Sander, C Schettler, H Schleper, P Schlieckau, E Schmidt, A Schroeder, M Schum, T Van Haevermaet, H Giffels, M Stadie, H Steinbrueck, G Thomsen, J Barth, C Berger, J Chwalek, T De Boer, W Dierlamm, A Feindt, M Guthoff, M Gigi, D Van Mechelen, R Hackstein, C Hartmann, F Heinrich, M Held, H Hoffmann, KH Honc, S Katkov, I Komaragiri, JR Martschei, D Gill, K Mueller, S Van Remortel, N Mueller, T Niegel, M Nuernberg, A Oberst, O Oehler, A Ott, J Quast, G Rabbertz, K Garcia, JMV Ratnikov, F Ratnikova, N Van Spilbeeck, A Roecker, S Scheurer, A Schilling, F-P Schott, G Simonis, HJ Stober, FM Troendle, D Giordano, D Ulrich, R Wagner-Kuhr, J Weiler, T Blekman, F Zeise, M Daskalakis, G Geralis, T Kesisoglou, S Kyriakis, A Loukas, D Giunta, M Manolakos, I Markou, A Markou, C Mavrommatis, C Blyweert, S Ntomari, E Gouskos, L Mertzimekis, TJ Panagiotou, A Saoulidou, N Glege, F Evangelou, I Foudas, C Kokkas, P Manthos, N Papadopoulos, I D'Hondt, J Patras, V Bencze, G Hajdu, C Hidas, P Garrido, RG-R Horvath, D Krajczar, K Radics, B Sikler, F Veszpremi, V Vesztergombi, G Suarez, RG Beni, N Czellar, S Molnar, J Ershov, A Govoni, P Palinkas, J Szillasi, Z Karancsi, J Raics, P Trocsanyi, ZL Ujvari, B Beri, SB Kalogeropoulos, A Bhatnagar, V Dhingra, N Gowdy, S Gupta, R Jindal, M Kaur, M Kohli, JM Mehta, MZ Nishu, N Saini, LK Sharma, A Maes, M Singh, J Guida, R Ahuja, S Bhardwaj, A Choudhary, BC Kumar, A Kumar, A Malhotra, S Naimuddin, M Ranjan, K Sharma, V Olbrechts, A Hansen, M Shivpuri, RK Banerjee, S Bhattacharya, S Dutta, S Gomber, B Jain, S Jain, S Khurana, R Sarkar, S Sharan, M Harris, P Van Doninck, W Abdulsalam, A Choudhury, RK Dutta, D Kailas, S Kumar, V Mehta, P Mohanty, AK Pant, LM Shukla, P Hartl, C Aziz, T Van Mulders, P Ganguly, S Guchait, M Maity, M Majumder, G Mazumdar, K Mohanty, GB Parida, B Sudhakar, K Beliy, N Wickramage, N Banerjee, S Van Onsem, GP Dugad, S Arfaei, H Bakhshiansohi, H Etesami, SM Fahim, A Hashemi, M Hesari, H Harvey, J Jafari, A Khakzad, M Mohammadi, A Villella, I Najafabadi, MM Mehdiabadi, SP Safarzadeh, B Zeinali, M Abbrescia, M Barbone, L Hegner, B Calabria, C Chhibra, SS Colaleo, A Creanza, D Charaf, O De Filippis, N De Palma, M Fiore, L Iaselli, G Lusito, L Hinzmann, A Maggi, G Maggi, M Marangelli, B My, S Nuzzo, S Clerbaux, B Pacifico, N Pompili, A Pugliese, G Selvaggi, G Gribushin, A Innocente, V Silvestris, L Singh, G Zito, G Abbiendi, G Benvenuti, AC Bonacorsi, D De Lentdecker, G Braibant-Giacomelli, S Brigliadori, L Capiluppi, P Janot, R Castro, A Cavallo, FR Cuffiani, M Dallavalle, GM Fabbri, F Fanfani, A Fasanella, D Dero, V Giacomelli, P Grandi, C Kaadze, K Guiducci, L Marcellini, S Masetti, G Meneghelli, M Montanari, A Navarria, FL Odorici, F Perrotta, A Gay, APR Primavera, F Karavakis, E Rossi, AM Rovelli, T Siroli, G Travaglini, R Albergo, S Cappello, G Chiorboli, M Costa, S Potenza, R Hreus, T Kousouris, K Tricomi, A Tuve, C Barbagli, G Ciulli, V Civinini, C D'Alessandro, R Focardi, E Frosali, S Gallo, E Gonzi, S Lecoq, R Leonard, A Meschini, M Paoletti, S Sguazzoni, G Tropiano, A Benussi, L Bianco, S Colafranceschi, S Fabbri, F Piccolo, D Lee, Y-J Fabbricatore, P Marage, PE Musenich, R Benaglia, A De Guio, F Di 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D'Agnolo, RT Dell'Orso, R Fiori, F Cimmino, A Meijers, F Foa, L Giassi, A Kraan, A Ligabue, F Lomtadze, T Martini, L Messineo, A Palla, E Palmonari, F Rizzi, A Mersi, S Costantini, S Serban, AT Spagnolo, P Squillacioti, P Tenchini, R Tonelli, G Venturi, A Verdini, PG Barone, L Cavallari, F Meschi, E Del Re, D Garcia, G Diemoz, M Grassi, M Longo, E Meridiani, P Micheli, F Nourbakhsh, S Organtini, G Paramatti, R Daubie, E RahatIou, S Sigamani, M Grunewald, M Soffi, L Amapane, N Arcidiacono, R Argiro, S Arneodo, M Biino, C Botta, C Moser, R Cartiglia, N Costa, M De Remigis, P Klein, B Demaria, N Graziano, A Mariotti, C Maselli, S Migliore, E Monaco, V Kodolova, O Mozer, MU Musich, M Obertino, MM Pastrone, N Pelliccioni, M Lellouch, J Potenza, A Romero, A Ruspa, M Sacchi, R Solano, A Mulders, M Staiano, A Pereira, AV Belforte, S Cossutti, F Della Ricca, G Marinov, A Gobbo, B Marone, M Montanino, D Penzo, A Musella, P Schizzi, A Heo, SG Kim, TY Nam, SK Chang, S Chung, J Mccartin, J Kim, DH Kim, GN Kong, DJ Nesvold, E Park, H Ro, SR Son, DC Son, T Kim, JY Kim, ZJ Song, S Rios, AAO Jo, HY Choi, S Nguyen, M Gyun, D Hong, B Jo, M Kim, H Kim, TJ Lee, KS Moon, DH Park, SK Ryckbosch, D Seo, E Orimoto, T Choi, M Kang, S Kim, H Kim, JH Park, C Park, IC Park, S Ryu, G Cho, Y Strobbe, N Orsini, L Choi, Y Choi, YK Goh, J Kim, MS Kwon, E Lee, B Lee, J Lee, S Seo, H Yu, I Cortezon, EP Thyssen, F Bilinskas, MJ Grigelionis, I Janulis, M Juodagalvis, A Castilla-Valdez, H De La Cruz-Burelo, E Heredia-de La Cruz, I Lopez-Fernandez, R Magana Villalba, R Perez, E Martinez-Ortega, J Tytgat, M Sanchez-Hernandez, A Villasenor-Cendejas, LM Carrillo Moreno, S Vazquez Valencia, F Salazar Ibarguen, HA Casimiro Linares, E Morelos Pineda, A Reyes-Santos, MA Hammad, GH Krofcheck, D Bell, AJ Vanelderen, L Butler, PH Doesburg, R Reucroft, S Silverwood, H Ahmad, M Asghar, MI Hoorani, HR du Pree, T Petrilli, A Khalid, S Khan, WA Khurshid, T Verwilligen, P Qazi, S Shah, MA Shoaib, M Brona, G Bunkowski, K Cwiok, M Pfeiffer, A Dominik, W Doroba, K Kalinowski, A Konecki, M Walsh, S Krolikowski, J Bialkowska, H Boimska, B Frueboes, T Gokieli, R Pierini, M Gorski, M Kazana, M Nawrocki, K Romanowska-Rybinska, K Szleper, M Yazgan, E Wrochna, G Zalewski, R Almeida, N Bargassa, P Pimiae, M David, A Faccioli, P Ferreira Parracho, PG Gallinaro, M Seixas, J Varela, J Zaganidis, N Vischia, P Belotelov, I Bunin, P Piparo, D Gavrilenko, M Golutvin, I Gorbunov, I Kamenev, A Karjavin, V Kozlov, G Lanev, A Basegmez, S Malakhov, A Moisenz, P Polese, G Palichik, V Perelygin, V Shmatov, S Smirnov, V Volodko, A Zarubin, A Evstyukhin, S Golovtsov, V Bruno, G Ivanov, Y Quertenmont, L Kim, V Levchenko, P Murzin, V Oreshkin, V Smirnov, I Sulimov, V Uvarov, L Vavilov, S Vorobyev, A Castello, R Racz, A Vorobyev, A Andreev, Y Dermenev, A Gninenko, S Golubev, N Kirsanov, M Krasnikov, N Matveev, V Pashenkov, A Tlisov, D Reece, W Ceard, L Toropin, A Epshteyn, V Erofeeva, M Gavrilov, V Kossov, M Lychkovskaya, N Popov, V Safronov, G Semenov, S Antunes, JR Stolin, V Lokhtin, I Alves, GA Rolandi, G Rommerskirchen, T Rovelli, C Rovere, M Sakulin, H Santanastasio, F Schaefer, C Schwick, C Segoni, I Markina, A Sekmen, S Hammer, J Correa Martin Junior, M Sharma, A Siegrist, P Silva, P Simon, M Sphicas, P Spiga, D Spiropulu, M Obraztsov, S Stoye, M Tsirou, A Veres, GI De Jesus Damiao, D Vlimant, JR Woehri, HK Worm, SD Zeuner, WD Bertl, W Deiters, K Perfilov, M Erdmann, W Gabathuler, K Horisberger, R Ingram, Q Martins, T Kaestli, HC Koenig, S Kotlinski, D Langenegger, U Meier, F Petrushanko, S Renker, D Rohe, T Sibille, J Baeni, L Bortignon, P Pol, ME Buchmann, MA Casal, B Chanon, N Chen, Z Popov, A Deisher, A Dissertori, G Dittmar, M Duenser, M Eugster, J Freudenreich, K Souza, MHG Grab, C Hits, D Lecomte, P Sarycheva, L Lustermann, W del Arbol, PMR Mohr, N Moortgat, F Naegeli, C Nef, P Nessi-Tedaldi, F Alda Junior, WL Pandolfi, F Pape, L Savrin, V Pauss, F Peruzzi, M Ronga, FJ Rossini, M Sala, L Sanchez, 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Keywords: | CMS;B physics |
Issue Date: | 2012 |
Publisher: | Elsevier |
Citation: | Physics Letters B, 714(2-5), 136 - 157, 2012 |
Abstract: | The Λb differential production cross section and the cross section ratio σ(Λb)/σ(Λb) are measured as functions of transverse momentum pΛbT and rapidity |yΛb| in pp collisions at √s = 7 TeV using data collected by the CMS experiment at the LHC. The measurements are based on Λb decays reconstructed in the exclusive final state J/ψΛ, with the subsequent decays J/ψ →μ+μ− and Λ→pπ, using a data sample corresponding to an integrated luminosity of 1.9 fb−1. The product σ(Λb)×B(Λb→J/ψΛ) versus pΛbT falls faster than that of b mesons. The measured value of σ(Λb) × B(Λb→J/ψΛ) for pΛbT > 10 GeV and |yΛb|<2.0 is 1.16±0.06±0.12 nb, and the integrated σ(Λb)/σ(Λb) ratio is 1.02±0.07±0.09, where the uncertainties are statistical and systematic, respectively. |
Description: | This article is the pre-print version of the final published paper that is available from the link below. |
URI: | http://www.sciencedirect.com/science/article/pii/S0370269312006223# http://bura.brunel.ac.uk/handle/2438/7817 |
DOI: | http://dx.doi.org/10.1016/j.physletb.2012.05.063 |
ISSN: | 0370-2693 |
Appears in Collections: | Electronic and Electrical Engineering Dept of Electronic and Electrical Engineering Research Papers
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