Beauty production in pp collisions at root s=2.76 TeV measured via semi-electronic decays
Abelev, B. and Adam, J. and Adamova, D. and Aggarwal, M. M. and Rinella,
G. Aglieri and Agnello, M. and Agostinelli, A. and Agrawal, N. and
Ahammed, Z. and Ahmad, N. and Ahmed, I. and Ahn, S. U. and AAhn, S. A.
and Aimo, I. and Aiola, S. and Ajaz, M. and Akindinov, A. and Alam, S.
N. and Aleksandrov, D. and Alessandro, B. and Alexandre, D. and Alici,
A. and Alkin, A. and Alme, J. and Alt, T. and Altinpinar, S. and
Altsybeev, I. and Alves Garcia Prado, C. and Andrei, C. and Andronic, A.
and Anguelov, V. and Anielski, J. and Anticic, T. and Antinori, F. and
Antonioli, P. and Aphecetche, L. and Appelshaeuser, H. and Arcelli, S.
and Armesto, N. and Arnaldi, R. and Aronsson, T. and Arsene, I. C. and
Arslandok, M. and Augustinus, A. and Averbeck, R. and Awes, T. C. and
Azmi, M. D. and Bach, M. and Badala, A. and Baek, Y. W. and Bagnasco, S.
and Bailhache, R. and Bala, R. and Baldisseri, A. and Pedrosa, F.
Baltasar Dos Santos and Baral, R. C. and Barbera, R. and Barile, F. and
Barnafoldi, G. G. and Barnby, L. S. and Barret, V. and Bartke, J. and
Basile, M. and Bastid, N. and Basu, S. and Bathen, B. and Batigne, G.
and Camejo, A. Batista and Batyunya, B. and Batzing, P. C. and Baumann,
C. and Bearden, I. G. and Beck, H. and Bedda, C. and Behera, N. K. and
Belikov, I. and Bellini, F. and Bellwied, R. and Belmont-Moreno, E. and
Belmont, III, R. and Belyaev, V. and Bencedi, G. and Beole, S. and
Berceanu, I. and Bercuci, A. and Berdnikov, Y. and Berenyi, D. and
Berger, M. E. and Bertens, R. A. and Berzano, D. and Betev, L. and
Bhasin, A. and Bhat, I. R. and Bhati, A. K. and Bhattacharjee, B. and
Bhom, J. and Bianchi, L. and Bianchi, N. and Bianchin, C. and Bielcik,
J. and Bielcikovca, J. and Bilandzic, A. and Bjelogrlic, S. and Blanco,
F. and Blau, D. and Blume, C. and Bock, F. and Bogdanov, A. and Boggild,
H. and Bogolyubsky, M. and Boehmer, F. V. and Boldizsar, L. and Bombara,
M. and Book, J. and Borel, H. and Borissov, A. and Bossu, F. and Botje,
M. and Botta, E. and Boettger, S. and Braun-Munzinger, P. and Bregant,
M. and Breitner, T. and Broker, T. A. and Browning, T. A. and Broz, M.
and Bruna, E. and Bruno, G. E. and Budnikov, D. and Buesching, H. and
Bufalino, S. and Buncic, P. and Busch, O. and Buthelezi, Z. and
Caffarri, D. and Cai, X. and Caines, H. and CaleroDiaz, L. and Caliva,
A. and Villar, E. Calvo and Camerini, P. and Carena, F. and Carena, W.
and Castellanos, J. Castillo and Casula, E. A. R. and Catanescu, V. and
Cavicchioli, C. and CeballosSanchez, C. and Cepila, J. and Cerello, P.
and Chang, B. and Chapeland, S. and Charvet, J. L. and Chattopadhyay, S.
and Chattopadhyay, S. and Chelnokov, V. and Cherney, M. and Cheshkov, C.
and Cheynis, B. and Barroso, V. Chibante and Chinellato, D. D. and
Chochula, P. and Chojnacki, M. and Choudhury, S. and Christakoglou, P.
and Christensen, C. H. and Christiansen, P. and Chujo, T. and Chung, S.
U. and Cicalo, C. and Cifarelli, L. and Cindolo, F. and Cleymans, J. and
Colamaria, F. and Colella, D. and Collu, A. and Colocci, M. and
Balbastre, G. Conesa and del Valle, Z. Conesa and Connors, M. E. and
Contreras, J. G. and Cormier, T. M. and Morales, Y. Corrales and
Cortese, P. and Cortes Maldonado, I. and Cosentino, M. R. and Costa, F.
and Crochet, P. and Cruz Albino, R. and Cuautle, E. and Cunqueiro, L.
and Dainese, A. and Dang, R. and Danu, A. and Das, D. and Das, I. and
Das, K. and Das, S. and Dash, A. and Dash, S. and De, S. and Delagrange,
H. and Deloff, A. and Denes, E. and D'Erasmo, G. and de Caro, A. and de
Cataldo, G. and de Cuveland, J. and De Falco, A. and De Gruttola, D. and
De Marco, N. and De Pasquale, S. and de Rooij, R. and Diaz Corchero, M.
A. and Dietel, T. and Dillenseger, P. and Divia, R. and Di Bari, D. and
Di Liberto, S. and Di Mauro, A. and Di Nezza, P. and Djuvsland, O. and
Dobrin, A. and Dobrowolski, T. and Domenicis Gimenez, D. and Doenigus,
B. and Dordic, O. and Dorheim, S. and Dubey, A. K. and Dubla, A. and
Ducroux, L. and Dupieux, P. and Majumdar, A. K. Dutta and Hilden, T. E.
and Ehlers, R. J. and Elia, D. and Engel, H. and Erazmus, B. and Erdal,
H. A. and Eschweiler, D. and Espagnon, B. and Esposito, M. and Estienne,
M. and Esumi, S. and Evans, D. and Evdokimov, S. and Fabris, D. and
Faivre, J. and Falchieri, D. and Fantoni, A. and Fasel, M. and Fehlker,
D. and Feldkamp, L. and Felea, D. and Feliciello, A. and Feofilov, G.
and Ferencei, J. and Fernandez Tellez, A. and Ferreiro, E. G. and
Ferretti, A. and Festanti, A. and Figiel, J. and Figueredo, M. A. S. and
Filchagin, S. and Finogeev, D. and Fionda, F. M. and Fiore, E. M. and
Floratos, E. and Floris, M. and Foertsch, S. and Foka, P. and Fokin, S.
and Fragiacomo, E. and Francescon, A. and Frankenfeld, U. and Fuchs, U.
and Furget, C. and FuscoGirard, M. and Gaardhoje, J. J. and Gagliardi,
M. and Gago, A. M. and Gallio, M. and Gangadharan, D. R. and Ganoti, P.
and Gao, C. and Garabatos, C. and Garcia-Solis, E. and Gargiulo, C. and
Garishvili, I. and Gerhard, J. and Germain, M. and Gheata, A. and
Gheata, M. and Ghidini, B. and Ghosh, P. and Ghosh, S. K. and Gianotti,
P. and Giubellino, P. and Gladysz-Dziadus, E. and Glaessel, P. and
Ramirez, A. Gomez and Gonzlez-Zamora, P. and Gorbunov, S. and Grlich, L.
and Gotovac, S. and Graczykowski, L. K. and Grelli, A. and Grigoras, A.
and Grigoras, C. and Grigoriev, V. and Grigoryan, A. and Grigoryan, S.
and Grinyov, B. and Grion, N. and Grosse-Oetringhaus, J. F. and
Grossiord, J. -Y. and Grosso, R. and Guber, F. and Guernane, R. and
Guerzoni, B. and Guilbaud, M. and Gulbrandsen, K. and Gulkanyan, H. and
Gumbo, M. and Gunji, T. and Gupta, A. and Gupta, R. and Khan, K. H. and
Haake, R. and Haaland, O. and Hadjidakis, C. and Haiduc, M. and
Hamagaki, H. and Hamar, G. and Hanratty, L. D. and Hansen, A. and
Harris, J. W. and Hartmann, H. and Harton, A. and Hatzifotiadou, D. and
Hayashi, S. and Heckel, S. T. and Heide, M. and Helstrup, H. and
Herghelegiu, A. and Herrera Corral, G. and Hess, B. A. and Hetland, K.
F. and Hippolyte, B. and Hladky, J. and Hristov, P. and Huang, M. and
Humanic, T. J. and Hussain, N. and Hutter, D. and Hwang, D. S. and
Ilkaev, R. and Ilkiv, I. and Inaba, M. and Innocenti, G. M. and Ionita,
C. and Ippolitov, M. and Irfan, M. and Ivanov, M. and Ivanov, V. and
Jacholkowski, A. and Jacobs, P. M. and Jahnke, C. and Jang, H. J. and
Janik, M. A. and Jayarathna, P. H. S. Y. and Jena, C. and Jena, S. and
Jimenez Bustamante, R. T. and Jones, P. G. and Jung, H. and Jusko, A.
and Kadyshevskiy, V. and Kalcher, S. and Kalinak, P. and Kalweit, A. and
Kamin, J. and Kang, J. H. and Kaplin, V. and Kar, S. and Uysal, A.
Karasu and Karavichev, O. and Karavicheva, T. and Karpechev, E. and
Kebschull, U. and Keidel, R. and Keijdener, D. L. D. and Khan, M. M. and
Khan, P. and Khan, S. A. and Khanzadeev, A. and Kharlov, Y. and Kileng,
B. and Kim, B. and Kim, D. W. and Kim, D. J. and Kim, J. S. and Kim, M.
and Kim, M. and Kim, S. and Kim, T. and Kirsch, S. and Kisel, I. and
Kiselev, S. and Kisiel, A. and Kiss, G. and Klay, J. L. and Klein, J.
and Klein-Boesing, C. and Kluge, A. and Knichel, M. L. and Knospe, A. G.
and Kobdaj, C. and Kofarago, M. and Khler, M. K. and Kollegger, T. and
Kolojvari, A. and Kondratiev, V. and Kondratyeva, N. and Konevskikh, A.
and Kovalenko, V. and Kowalski, M. and Kox, S. and Meethaleveedu, G.
Koyithatta and Kral, J. and Kralik, I. and Kravcakova, A. and Krelina,
M. and Kretz, M. and Krivda, M. and Krizek, F. and Kryshen, E. and
Krzewicki, M. and Kucera, V. and Kucheriaev, Y. and Kugathasan, T. and
Kuhn, C. and Kuijer, P. G. and Kulakov, I. and Kumar, J. and Kurashvili,
P. and Kurepin, A. and Kurepin, A. B. and Kuryakin, A. and Kushpil, S.
and Kweon, M. J. and Kwon, Y. and Ladron de Guevara, P. and Lagana
Fernandes, C. and Lakomov, I. and Langoy, R. and Lara, C. and Lardeux,
A. and Lattuca, A. and La Pointe, S. L. and La Rocca, P. and Lea, R. and
Leardini, L. and Lee, G. R. and Legrand, I. and Lehnert, J. and Lemmon,
R. C. and Lenti, V. and Leogrande, E. and Leoncino, M. and Leon Monzon,
I. and Levai, P. and Li, S. and Lien, J. and Lietava, R. and Lindal, S.
and Lindenstruth, V. and Lippmann, C. and Lisa, M. A. and Ljunggren, H.
M. and Lodato, D. F. and Loenne, I. and Loggins, R. and Loginov, V. and
Lohner, D. and Loizides, C. and Lopez, X. and Lopez Torres, E. and Lu,
X. -G. and Luettig, P. and Lunardon, M. and Luparello, G. and Ma, R. and
Maevskaya, A. and Mager, M. and Mahapatra, D. P. and Mahmood, S. M. and
Maire, A. and Majka, R. D. and Malaev, M. and Maldonado Cervantes, I.
and Malinina, L. and Mal'Kevich, D. and Malzacher, P. and Mamonov, A.
and Manceau, L. and Manko, V. and Manso, F. and Manzari, V. and
Marchisone, M. and Mares, J. and Margagliotti, G. V. and Margotti, A.
and Marin, A. and Markert, C. and Marquard, M. and Martashvili, I. and
Martin, N. A. and Martinengo, P. and Martinez, M. I. and Martiinez
Garcia, G. and MartinBlanco, J. and Martynov, Y. and Mas, A. and
Masciocchi, S. and Masera, M. and Masoni, A. and Massacrier, L. and
Mastroserio, A. and Matyja, A. and Mayer, C. and Mazer, J. and Mazzoni,
M. A. and Meddi, F. and Menchaca-Rocha, A. and Mercado Perez, J. and
Meres, M. and Miake, Y. and Mikhaylov, K. and Milano, L. and Milosevic,
J. and Mischke, A. and Mishra, A. N. and Miskowiec, D. and Mitra, J. and
Mitu, C. M. and Mlynarz, J. and Mohammadi, N. and Mohanty, B. and
Molnar, L. and Montano Zetina, L. and Montes, E. and Morando, M. and
Moreira De Godoy, D. A. and Moretto, S. and Morreale, A. and Morsch, A.
and Muccifora, V. and Mudnic, E. and Muehlheim, D. and Muhuri, S. and
Mukherjee, M. and Mueller, H. and Munhoz, M. G. and Murray, S. and Musa,
L. and Musinsky, J. and Nandi, B. K. and Nania, R. and Nappi, E. and
Nattrass, C. and Nayak, K. and Nayak, T. K. and Nazarenko, S. and
Nedosekin, A. and Nicassio, M. and Niculescu, M. and Nielsen, B. S. and
Nikolaev, S. and Nikulin, S. and Nikulin, V. and Nilsen, B. S. and
Noferini, F. and Nomokonov, P. and Nooren, G. and Norman, J. and Nyanin,
A. and Nystrand, J. and Oeschler, H. and Oh, S. and Oh, S. K. and
Okatan, A. and Olah, L. and Oleniacz, J. and Oliveira Da Silva, A. C.
and Onderwaater, J. and Oppedisano, C. and OrtizVelasquez, A. and
Oskarsson, A. and Otwinowski, J. and Oyama, K. and Ozdemir, M. and
Sahoo, P. and Pachmayer, Y. and Pachr, M. and Pagano, P. and Paic, G.
and Painke, F. and Pajares, C. and Pal, S. K. and Palmeri, A. and Pant,
D. and Papikyan, V. and Pappalardo, G. S. and Pareek, P. and Park, W. J.
and Parmar, S. and Passfeld, A. and Patalakha, D. I. and Paticchio, V.
and Paul, B. and Pawlak, T. and Peitzmann, T. and Da Cost, H. Pereira
and Pereira De Oliveira Filho, E. and Peresunko, D. and Lara, C. E.
Perez and Pesci, A. and Peskov, V. and Pestov, Y. and Petracek, V. and
Petran, M. and Petris, M. and Petrovici, M. and Petta, C. and Piano, S.
and Pikna, M. and Pillot, P. and Pinazza, O. and Pinsky, L. and
Piyarathna, D. B. and Ploskon, M. and Planinic, M. and Pluta, J. and
Pochybova, S. and Podesta-Lerma, P. L. M. and Poghosyan, M. G. and
Pohjoisaho, E. H. O. and Polichtchouk, L. and Poljak, N. and Pop, A. and
Porteboeuf-Houssais, S. and Porter, J. and Potukuchi, B. and Prasad, S.
K. and Preghenella, R. and Prino, F. and Pruneau, C. A. and Pshenichnov,
I. and Puddu, G. and Pujahari, P. and Punin, V. and Putschke, J. and
Qvigstad, H. and Rachevski, A. and Raha, S. and Rak, J. and
Rakotozafindrabe, A. and Ramello, L. and Raniwala, R. and Raniwala, S.
and Rasanen, S. and Rascanu, B. T. and Rathee, D. and Rauf, A. W. and
Razazi, V. and Read, K. F. and Real, J. S. and Redlich, K. and Reed, R.
J. and Rehman, A. and Reichelt, P. and Reicher, M. and Reidt, F. and
Renfordt, R. and Reolon, A. R. and Reshetin, A. and Rettig, F. and
Revol, J. -P. and Reygers, K. and Riabov, V. and Ricci, R. A. and
Richert, T. and Richter, M. and Riedler, P. and Riegler, W. and Riggi,
F. and Rivetti, A. and Rocco, E. and Rodriguez Cahuantzi, M. and Manso,
A. Rodriguez and Roed, K. and Rogochaya, E. and Rohni, S. and Rohr, D.
and Rohrich, D. and Romita, R. and Ronchetti, F. and Ronflette, L. and
Rosnet, P. and Rossi, A. and Roukoutakis, F. and Roy, A. and Roy, C. and
Roy, P. and Rubio Montero, A. J. and Rui, R. and Russo, R. and
Ryabinkin, E. and Ryabov, Y. and Rybicki, A. and Sadovsky, S. and
Safarik, K. and Sahlmuller, B. and Sahoo, R. and Sahu, P. K. and Saini,
J. and Sakai, S. and Salgado, C. A. and Salzwedel, J. and Sambyal, S.
and Samsonov, V. and Castro, X. Sanchez and Sanchez Rodriguez, F. J. and
Sandor, L. and Sandoval, A. and Sano, M. and Santagati, G. and Sarkar,
D. and Scapparone, E. and Scarlassara, F. and Scharenberg, R. P. and
Schiaua, C. and Schicker, R. and Schmidt, C. and Schmidt, H. R. and
Schuchmann, S. and Schukraft, J. and Schulc, M. and Schuster, T. and
Schutz, Y. and Schwarz, K. and Schweda, K. and Scioli, G. and Scomparin,
E. and Scott, R. and Segato, G. and Seger, J. E. and Sekiguchi, Y. and
Selyuzhenkov, I. and Seo, J. and Serradilla, E. and Sevcenco, A. and
Shabetai, A. and Shabratova, G. and Shahoyan, R. and Shangaraev, A. and
Sharma, N. and Sharma, S. and Shigaki, K. and Shtejer, K. and Sibiriak,
Y. and Siddhanta, S. and Siemiarczuk, T. and Silvermyr, D. and
Silvestre, C. and Simatovic, G. and Singaraju, R. and Singh, R. and
Singha, S. and Singhal, V. and Sinha, B. C. and Sinha, T. and Sitar, B.
and Sitta, M. and Skaali, T. B. and Skjerdal, K. and Slupecki, M. and
Smirnov, N. and Snellings, R. J. M. and Sogaard, C. and Soltz, R. and
Song, J. and Song, M. and Soramel, F. and Sorensen, S. and Spacek, M.
and Spiriti, E. and Sputowska, I. and Spyropoulou-Stassinaki, M. and
Srivastava, B. K. and Stachel, J. and Stan, I. and Stefanek, G. and
Steinpreis, M. and Stenlund, E. and Steyn, G. and Stiller, J. H. and
Stocco, D. and Stolpovskiy, M. and Strmen, P. and Suaide, A. A. P. and
Sugitate, T. and Suire, C. and Suleymanov, M. and Sultanov, R. and
Sumbera, M. and Susa, T. and Symons, T. J. M. and Szabo, A. and Szanto
de Toledo, A. and Szarka, I. and Szczepankiewicz, A. and Szymanski, M.
and Takahashi, J. and Tangaro, M. A. and Takaki, J. D. Tapia and Peloni,
A. Tarantola and Martinez, A. Tarazona and Tarzila, M. G. and Tauro, A.
and Tejeda Munoz, G. and Telesca, A. and Terrevoli, C. and Thaeder, J.
and Thomas, D. and Tieulent, R. and Timmins, A. R. and Toia, A. and
Trubnikov, V. and Trzaska, H. and Tsuji, T. and Tumkin, A. and Turrisi,
R. and Tveter, T. S. and Ullaland, K. and Uras, A. and Usai, G. L. and
Vajzer, M. and Vala, M. and ValenciaPalomo, L. and Vallero, S. and
Vyvre, P. Vand and Van Der Maarel, J. and Van Hoorne, J. W. and van
Leeuwen, M. and Vargas, A. and Vargyas, M. and Varma, R. and Vasileiou,
M. and Vasiliev, A. and Vechernin, V. and Veldhoen, M. and Velure, A.
and Venaruzzo, M. and Vercellin, E. and Vergara Limon, S. and Vernet, R.
and Verweij, M. and Vickovic, L. and Viesti, G. and Viinikainen, J. and
Vilakazi, Z. and Baillie, O. Villalobos and Vinogradov, A. and
Vinogradov, L. and Vinogradov, Y. and Virgili, T. and Viyogi, Y. P. and
Vodopyanov, A. and Voelkl, M. A. and Voloshin, K. and Voloshin, S. A.
and Volpe, G. and Vonhaller, B. and Vorobyev, I. and Vranic, D. and
Vrlalova, J. and Vulpescu, B. and Vyushin, A. and Wagner, B. and Wagner,
J. and Wagner, V. and Wang, M. and Wang, Y. and Watanabe, D. and Weber,
M. and Wessels, J. P. and Westerhoff, U. and Wiechula, J. and Wikne, J.
and Wilde, M. and Wilk, G. and Wilkinson, J. and Williams, M. C. S. and
Windelband, B. and Winn, M. and Yaldo, C. G. and Yamaguchi, Y. and Yang,
H. and Yang, P. and Yang, S. and Yano, S. and Yasnopolskiy, S. and Yi,
J. and Yin, Z. and Yoo, I. -K. and Yushmanov, I. and Zaccolo, V. and
Zach, C. and Zaman, A. and Zampolli, C. and Zaporozhets, S. and
Zarochentsev, A. and Zavada, P. and Zaviyalov, N. and Zbroszczyk, H. and
Zgura, I. S. and Zhalov, M. and Zhang, H. and Zhang, X. and Zhang, Y.
and Zhao, C. and Zhigareva, N. and Zhou, D. and Zhou, F. and Zhou, Y.
and Zhou, Zhuo and Zhu, H. and Zhu, J. and Zhu, X. and Zichichi, A. and
Zimmermann, A. and Zimmermann, M. B. and Zinovjev, G. and Zoccarato, Y.
and Zyzak, M. and ALICE Collaboration... Show more Show less
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Abstract
The ALICE Collaboration at the LHC reports measurement of the inclusive
production cross section of electrons from semi-leptonic decays of
beauty hadrons with rapidity |y| < 0.8 and transverse momentum 1 < p(T)<
10 GeV/c, in pp collisions at root s = 2.76 TeV. Electrons not
originating from semi-electronic decay of beauty hadrons are suppressed
using the impact parameter of the corresponding tracks. The production
cross section of beauty decay electrons is compared to the result
obtained with ann alternative method which uses the distribution of the
azimuthal angle between heavy-flavour decay electrons and charged
hadrons. Perturbative QCD predictions agree with the measured cross
section within the experimental and theoretical uncertainties. The
integrated visible cross section, sigma(b -> e) = 3.47 +/-
0.40(stat)(+1.12)(-1.33)(sys) +/- 0.07(norm) mu b, was extrapolated to
full phase space using Fixed Order plus Next-to-Leading Log (FONLL)
calculations to obtain the total b (b) over bar production cross
section, sigma(b (b) over bar) = 130 +/-
15.1(stat)(+42.1)(-49.8)(sys)(+3.4)(-3.1)(extr) +/- 2.5(norm) +/-
4.4(BR) mu b. (C) 2014 The Authors. Published by Elsevier B.V.... Show more Show less