/ Experiment-HEP CERN-PH-EP-2012-227


D_s meson production at central rapidity in proton--proton collisions at sqrt(s) = 7 TeV


Abelev, Betty (LLNL, Livermore) ; Adam, Jaroslav (Prague, Tech. U.) ; Adamova, Dagmar (Prague, Inst. Phys.) ; Adare, Andrew Marshall (Yale U.) ; Aggarwal, Madan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agocs, Andras Gabor (Budapest, RMKI) ; Agostinelli, Andrea (INFN, Bologna) ; Aguilar Salazar, Saul (Mexico U.) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Nazeer (Aligarh Muslim U.) ; Ahmad, Arshad (Aligarh Muslim U.) ; Ahn, Sul-Ah (KISTI, Daejeon) ; Ahn, Sang Un (Gangneung-Wonju Natl. U.) ; Akindinov, Alexander (Moscow, ITEP) ; Aleksandrov, Dmitry (Kurchatov Inst., Moscow) ; Alessandro, Bruno (INFN, Turin) ; Alfaro Molina, Jose Ruben (Mexico U.) ; Alici, Andrea (Enrico Fermi Ctr., Rome) ; Alkin, Anton (BITP, Kiev) ; Almaraz Avina, Erick Jonathan (Mexico U.) ; Alme, Johan (Bergen Coll. Higher Educ.) ; Alt, Torsten (Frankfurt U., FIAS) ; Altini, Valerio (INFN, Bari) ; Altinpinar, Sedat (Bergen U.) ; Altsybeev, Igor (St. Petersburg State U.) ; Andrei, Cristian (Bucharest, IFIN-HH) ; Andronic, Anton (Darmstadt, EMMI) ; Anguelov, Venelin (Heidelberg U.) ; Anielski, Jonas (Munster U.) ; Anson, Christopher Daniel (Ohio State U.) ; Anticic, Tome (Boskovic Inst., Zagreb) ; Antinori, Federico (INFN, Padua) ; Antonioli, Pietro (INFN, Bologna) ; Aphecetche, Laurent Bernard (SUBATECH, Nantes) ; Appelshauser, Harald (Frankfurt U., Inst. Kernphys.) ; Arbor, Nicolas (LPSC, Grenoble) ; Arcelli, Silvia (INFN, Bologna) ; Arend, Andreas (Frankfurt U., Inst. Kernphys.) ; Armesto, Nestor (Santiago de Compostela U.) ; Arnaldi, Roberta (INFN, Turin) ; Aronsson, Tomas Robert (Yale U.) ; Arsene, Ionut Cristian (Darmstadt, EMMI) ; Arslandok, Mesut (Frankfurt U., Inst. Kernphys.) ; Asryan, Andzhey (St. Petersburg State U.) ; Augustinus, Andre (CERN) ; Averbeck, Ralf Peter (Darmstadt, EMMI) ; Awes, Terry (Oak Ridge) ; Aysto, Juha Heikki (Helsinki Inst. of Phys.) ; Azmi, Mohd Danish (Cape Town U.) ; Bach, Matthias Jakob (Frankfurt U., FIAS) ; Badala, Angela (INFN, Catania) ; Baek, Yong Wook (Gangneung-Wonju Natl. U.) ; Bailhache, Raphaelle Marie (Frankfurt U., Inst. Kernphys.) ; Bala, Renu (INFN, Turin) ; Baldini Ferroli, Rinaldo (Enrico Fermi Ctr., Rome) ; Baldisseri, Alberto (IRFU, Saclay) ; Baldit, Alain (Clermont-Ferrand U.) ; Baltasar Dos Santos Pedrosa, Fernando (CERN) ; Ban, Jaroslav (Kosice, IEF) ; Baral, Rama Chandra (Bhubaneswar, Inst. Phys.) ; Barbera, Roberto (INFN, Catania) ; Barile, Francesco (INFN, Bari) ; Barnafoldi, Gergely Gabor (Budapest, RMKI) ; Barnby, Lee Stuart (Birmingham U.) ; Barret, Valerie (Clermont-Ferrand U.) ; Bartke, Jerzy Gustaw (Cracow, INP) ; Basile, Maurizio (INFN, Bologna) ; Bastid, Nicole (Clermont-Ferrand U.) ; Basu, Sumit (Calcutta, VECC) ; Bathen, Bastian (Munster U.) ; Batigne, Guillaume (SUBATECH, Nantes) ; Batyunya, Boris (Dubna, JINR) ; Baumann, Christoph Heinrich (Frankfurt U., Inst. Kernphys.) ; Bearden, Ian Gardner (Bohr Inst.) ; Beck, Hans (Frankfurt U., Inst. Kernphys.) ; Behera, Nirbhay Kumar (Indian Inst. Tech., Mumbai) ; Belikov, Iouri (Strasbourg, IPHC) ; Bellini, Francesca (INFN, Bologna) ; Bellwied, Rene (Houston U.) ; Belmont-Moreno, Ernesto (Mexico U.) ; Bencedi, Gyula (Budapest, RMKI) ; Beole, Stefania (INFN, Turin) ; Berceanu, Ionela (Bucharest, IFIN-HH) ; Bercuci, Alexandru (Bucharest, IFIN-HH) ; Berdnikov, Yaroslav (St. Petersburg, INP) ; Berenyi, Daniel (Budapest, RMKI) ; Bergognon, Anais Annick Erica (SUBATECH, Nantes) ; Berzano, Dario (INFN, Turin) ; Betev, Latchezar (CERN) ; Bhasin, Anju (Jammu U.) ; Bhati, Ashok Kumar (Panjab U.) ; Bhom, Jihyun (Tsukuba U.) ; Bianchi, Livio (INFN, Turin) ; Bianchi, Nicola (Frascati) ; Bianchin, Chiara (INFN, Padua) ; Bielcik, Jaroslav (Prague, Tech. U.) ; Bielcikova, Jana (Prague, Inst. Phys.) ; Bilandzic, Ante (Bohr Inst.) ; Bjelogrlic, Sandro (NIKHEF, Amsterdam) ; Blanco, F (Madrid, CIEMAT) ; Blanco, Francesco (Houston U.) ; Blau, Dmitry (Kurchatov Inst., Moscow) ; Blume, Christoph (Frankfurt U., Inst. Kernphys.) ; Boccioli, Marco (CERN) ; Bock, Nicolas (Ohio State U.) ; Boettger, Stefan (Goethe U., Frankfurt) ; Bogdanov, Alexey (Moscow Phys. Eng. Inst.) ; Boggild, Hans (Bohr Inst.) ; Bogolyubsky, Mikhail (Serpukhov, IHEP) ; Boldizsar, Laszlo (Budapest, RMKI) ; Bombara, Marek (Kosice U.) ; Book, Julian (Frankfurt U., Inst. Kernphys.) ; Borel, Herve (IRFU, Saclay) ; Borissov, Alexander (Wayne State U.) ; Bose, Suvendu Nath (Saha Inst.) ; Bossu, Francesco (INFN, Turin) ; Botje, Michiel (NIKHEF, Amsterdam) ; Botta, Elena (INFN, Turin) ; Boyer, Bruno Alexandre (Orsay, IPN) ; Braidot, Ermes (LBL, Berkeley) ; Braun-Munzinger, Peter (Darmstadt, EMMI) ; Bregant, Marco (SUBATECH, Nantes) ; Breitner, Timo Gunther (Goethe U., Frankfurt) ; Browning, Tyler Allen (Purdue U.) ; Broz, Michal (Comenius U.) ; Brun, Rene (CERN) ; Bruna, Elena (INFN, Turin) ; Bruno, Giuseppe Eugenio (INFN, Bari) ; Budnikov, Dmitry (RFNC-VNIIEF, Sarov) ; Buesching, Henner (Frankfurt U., Inst. Kernphys.) ; Bufalino, Stefania (INFN, Turin) ; Busch, Oliver (Heidelberg U.) ; Buthelezi, Edith Zinhle (Cape Town U.) ; Caballero Orduna, Diego (Yale U.) ; Caffarri, Davide (INFN, Padua) ; Cai, Xu (Hua-Zhong Normal U.) ; Caines, Helen Louise (Yale U.) ; Calvo Villar, Ernesto (Lima, Pont. U. Catolica) ; Camerini, Paolo (INFN, Trieste) ; Canoa Roman, Veronica (CINVESTAV, IPN) ; Cara Romeo, Giovanni (INFN, Bologna) ; Carena, Francesco (CERN) ; Carena, Wisla (CERN) ; Carlin Filho, Nelson (Sao Paulo U.) ; Carminati, Federico (CERN) ; Casanova Diaz, Amaya Ofelia (Frascati) ; Castillo Castellanos, Javier Ernesto (IRFU, Saclay) ; Castillo Hernandez, Juan Francisco (Darmstadt, EMMI) ; Casula, Ester Anna Rita (INFN, Cagliari) ; Catanescu, Vasile (Bucharest, IFIN-HH) ; Cavicchioli, Costanza (CERN) ; Ceballos Sanchez, Cesar (Havana, CEADEN) ; Cepila, Jan (Prague, Tech. U.) ; Cerello, Piergiorgio (INFN, Turin) ; Chang, Beomsu (Yonsei U.) ; Chapeland, Sylvain (CERN) ; Charvet, Jean-Luc Fernand (IRFU, Saclay) ; Chattopadhyay, Subhasis (Calcutta, VECC) ; Chattopadhyay, Sukalyan (Saha Inst.) ; Chawla, Isha (Panjab U.) ; Cherney, Michael Gerard (Creighton U.) ; Cheshkov, Cvetan (Lyon U.) ; Cheynis, Brigitte (Lyon U.) ; Chibante Barroso, Vasco Miguel (CERN) ; Chinellato, David (Campinas State U.) ; Chochula, Peter (CERN) ; Chojnacki, Marek (NIKHEF, Amsterdam) ; Choudhury, Subikash (Calcutta, VECC) ; Christakoglou, Panagiotis (NIKHEF, Amsterdam) ; Christensen, Christian Holm (Bohr Inst.) ; Christiansen, Peter (Lund U.) ; Chujo, Tatsuya (Tsukuba U.) ; Chung, Suh-Urk (Pusan Natl. U.) ; Cicalo, Corrado (INFN, Cagliari) ; Cifarelli, Luisa (Enrico Fermi Ctr., Rome) ; Cindolo, Federico (INFN, Bologna) ; Cleymans, Jean Willy Andre (Cape Town U.) ; Coccetti, Fabrizio (Enrico Fermi Ctr., Rome) ; Colamaria, Fabio (INFN, Bari) ; Colella, Domenico (INFN, Bari) ; Conesa Balbastre, Gustavo (LPSC, Grenoble) ; Conesa del Valle, Zaida (CERN) ; Constantin, Paul (Heidelberg U.) ; Contin, Giacomo (INFN, Trieste) ; Contreras, Jesus Guillermo (CINVESTAV, IPN) ; Cormier, Thomas Michael (Wayne State U.) ; Corrales Morales, Yasser (INFN, Turin) ; Cortese, Pietro (Piemonte Orientale U., Alessandria) ; Cortes Maldonado, Ismael (Puebla U., Mexico) ; Cosentino, Mauro Rogerio (LBL, Berkeley) ; Costa, Filippo (CERN) ; Cotallo, Manuel Enrique (Madrid, CIEMAT) ; Crescio, Elisabetta (CINVESTAV, IPN) ; Crochet, Philippe (Clermont-Ferrand U.) ; Cruz Alaniz, Emilia (Mexico U.) ; Cuautle, Eleazar (Mexico U., ICN) ; Cunqueiro, Leticia (Frascati) ; Dainese, Andrea (INFN, Padua) ; Dalsgaard, Hans Hjersing (Bohr Inst.) ; Danu, Andrea (Bucharest, Inst. Space Sciences) ; Das, Indranil (Orsay, IPN) ; Das, Debasish (Saha Inst.) ; Das, Kushal (Saha Inst.) ; Dash, Sadhana (Indian Inst. Tech., Mumbai) ; Dash, Ajay Kumar (Campinas State U.) ; De, Sudipan (Calcutta, VECC) ; de Barros, Gabriel (Sao Paulo U.) ; De Caro, Annalisa (Enrico Fermi Ctr., Rome) ; de Cataldo, Giacinto (INFN, Bari) ; de Cuveland, Jan (Frankfurt U., FIAS) ; De Falco, Alessandro (INFN, Cagliari) ; De Gruttola, Daniele (INFN, Salerno) ; Delagrange, Hugues (SUBATECH, Nantes) ; Deloff, Andrzej (Warsaw, Inst. Nucl. Studies) ; Demanov, Vyacheslav (RFNC-VNIIEF, Sarov) ; De Marco, Nora (INFN, Turin) ; Denes, Ervin (Budapest, RMKI) ; De Pasquale, Salvatore (INFN, Salerno) ; Deppman, Airton (Sao Paulo U.) ; D'Erasmo, Ginevra (INFN, Bari) ; de Rooij, Raoul Stefan (NIKHEF, Amsterdam) ; Diaz Corchero, Miguel Angel (Madrid, CIEMAT) ; Di Bari, Domenico (INFN, Bari) ; Dietel, Thomas (Munster U.) ; Di Giglio, Carmelo (INFN, Bari) ; Di Liberto, Sergio (INFN, Rome) ; Di Mauro, Antonio (CERN) ; Di Nezza, Pasquale (Frascati) ; Divia, Roberto (CERN) ; Djuvsland, Oeystein (Bergen U.) ; Dobrin, Alexandru Florin (Lund U.) ; Dobrowolski, Tadeusz Antoni (Warsaw, Inst. Nucl. Studies) ; Dominguez, Isabel (Mexico U., ICN) ; Donigus, Benjamin (Darmstadt, EMMI) ; Dordic, Olja (Oslo U.) ; Driga, Olga (SUBATECH, Nantes) ; Dubey, Anand Kumar (Calcutta, VECC) ; Dubla, Andrea (NIKHEF, Amsterdam) ; Ducroux, Laurent (Lyon U.) ; Dupieux, Pascal (Clermont-Ferrand U.) ; Dutta Majumdar, AK (Saha Inst.) ; Dutta Majumdar, Mihir Ranjan (Calcutta, VECC) ; Elia, Domenico (INFN, Bari) ; Emschermann, David Philip (Munster U.) ; Engel, Heiko (Goethe U., Frankfurt) ; Erazmus, Barbara (SUBATECH, Nantes) ; Erdal, Hege Austrheim (Bergen Coll. Higher Educ.) ; Espagnon, Bruno (Orsay, IPN) ; Estienne, Magali Danielle (SUBATECH, Nantes) ; Esumi, Shinichi (Tsukuba U.) ; Evans, David (Birmingham U.) ; Eyyubova, Gyulnara (Oslo U.) ; Fabris, Daniela (INFN, Padua) ; Faivre, Julien (LPSC, Grenoble) ; Falchieri, Davide (INFN, Bologna) ; Fantoni, Alessandra (Frascati) ; Fasel, Markus (Darmstadt, EMMI) ; Fearick, Roger Worsley (Cape Town U.) ; Fedunov, Anatoly (Dubna, JINR) ; Fehlker, Dominik (Bergen U.) ; Feldkamp, Linus (Munster U.) ; Felea, Daniel (Bucharest, Inst. Space Sciences) ; Fenton-Olsen, Bo (LBL, Berkeley) ; Feofilov, Grigory (St. Petersburg State U.) ; Fernandez Tellez, Arturo (Puebla U., Mexico) ; Ferretti, Alessandro (INFN, Turin) ; Ferretti, Roberta (Piemonte Orientale U., Alessandria) ; Festanti, Andrea (INFN, Padua) ; Figiel, Jan (Cracow, INP) ; Figueredo, Marcel (Sao Paulo U.) ; Filchagin, Sergey (RFNC-VNIIEF, Sarov) ; Finogeev, Dmitry (Moscow, INR) ; Fionda, Fiorella (INFN, Bari) ; Fiore, Enrichetta Maria (INFN, Bari) ; Floris, Michele (CERN) ; Foertsch, Siegfried Valentin (Cape Town U.) ; Foka, Panagiota (Darmstadt, EMMI) ; Fokin, Sergey (Kurchatov Inst., Moscow) ; Fragiacomo, Enrico (INFN, Trieste) ; Francescon, Andrea (INFN, Padua) ; Frankenfeld, Ulrich Michael (Darmstadt, EMMI) ; Fuchs, Ulrich (CERN) ; Furget, Christophe (LPSC, Grenoble) ; Fusco Girard, Mario (INFN, Salerno) ; Gaardhoje, Jens Joergen (Bohr Inst.) ; Gagliardi, Martino (INFN, Turin) ; Gago, Alberto (Lima, Pont. U. Catolica) ; Gallio, Mauro (INFN, Turin) ; Gangadharan, Dhevan Raja (Ohio State U.) ; Ganoti, Paraskevi (Oak Ridge) ; Garabatos, Jose (Darmstadt, EMMI) ; Garcia-Solis, Edmundo (Chicago State U.) ; Garishvili, Irakli (LLNL, Livermore) ; Gerhard, Jochen (Frankfurt U., FIAS) ; Germain, Marie (SUBATECH, Nantes) ; Geuna, Claudio (IRFU, Saclay) ; Gheata, Mihaela (CERN) ; Gheata, Andrei George (CERN) ; Ghidini, Bruno (INFN, Bari) ; Ghosh, Premomoy (Calcutta, VECC) ; Gianotti, Paola (Frascati) ; Girard, Martin Robert (Warsaw U. of Tech.) ; Giubellino, Paolo (CERN) ; Gladysz-Dziadus, Ewa (Cracow, INP) ; Glassel, Peter (Heidelberg U.) ; Gomez, Ramon (Sinaloa U.) ; Gonzalez Ferreiro, Elena (Santiago de Compostela U.) ; Gonzalez-Trueba, Laura Helena (Mexico U.) ; Gonzalez-Zamora, Pedro (Madrid, CIEMAT) ; Gorbunov, Sergey (Frankfurt U., FIAS) ; Goswami, Ankita (Rajasthan U.) ; Gotovac, Sven (Split Tech. U.) ; Grabski, Varlen (Mexico U.) ; Graczykowski, Lukasz Kamil (Warsaw U. of Tech.) ; Grajcarek, Robert (Heidelberg U.) ; Grelli, Alessandro (NIKHEF, Amsterdam) ; Grigoras, Costin (CERN) ; Grigoras, Alina Gabriela (CERN) ; Grigoriev, Vladislav (Moscow Phys. Eng. Inst.) ; Grigoryan, Smbat (Dubna, JINR) ; Grigoryan, Ara (Yerevan Phys. Inst.) ; Grinyov, Boris (BITP, Kiev) ; Grion, Nevio (INFN, Trieste) ; Gros, Philippe (Lund U.) ; Grosse-Oetringhaus, Jan Fiete (CERN) ; Grossiord, Jean-Yves (Lyon U.) ; Grosso, Raffaele (CERN) ; Guber, Fedor (Moscow, INR) ; Guernane, Rachid (LPSC, Grenoble) ; Guerra Gutierrez, Cesar (Lima, Pont. U. Catolica) ; Guerzoni, Barbara (INFN, Bologna) ; Guilbaud, Maxime Rene Joseph (Lyon U.) ; Gulbrandsen, Kristjan Herlache (Bohr Inst.) ; Gunji, Taku (Tokyo U.) ; Gupta, Ramni (Jammu U.) ; Gupta, Anik (Jammu U.) ; Gutbrod, Hans (Darmstadt, EMMI) ; Haaland, Oystein Senneset (Bergen U.) ; Hadjidakis, Cynthia Marie (Orsay, IPN) ; Haiduc, Maria (Bucharest, Inst. Space Sciences) ; Hamagaki, Hideki (Tokyo U.) ; Hamar, Gergoe (Budapest, RMKI) ; Han, Byounghee (Sejong U.) ; Hanratty, Luke David (Birmingham U.) ; Hansen, Alexander (Bohr Inst.) ; Harmanova, Zuzana (Kosice U.) ; Harris, John William (Yale U.) ; Hartig, Matthias (Frankfurt U., Inst. Kernphys.) ; Hasegan, Dumitru (Bucharest, Inst. Space Sciences) ; Hatzifotiadou, Despoina (INFN, Bologna) ; Hayrapetyan, Arsen (Yerevan Phys. Inst.) ; Heckel, Stefan Thomas (Frankfurt U., Inst. Kernphys.) ; Heide, Markus Ansgar (Munster U.) ; Helstrup, Haavard (Bergen Coll. Higher Educ.) ; Herghelegiu, Andrei Ionut (Bucharest, IFIN-HH) ; Herrera Corral, Gerardo Antonio (CINVESTAV, IPN) ; Herrmann, Norbert (Heidelberg U.) ; Hess, Benjamin Andreas (U. Tubingen) ; Hetland, Kristin Fanebust (Bergen Coll. Higher Educ.) ; Hicks, Bernard (Yale U.) ; Hille, Per Thomas (Yale U.) ; Hippolyte, Boris (Strasbourg, IPHC) ; Horaguchi, Takuma (Tsukuba U.) ; Hori, Yasuto (Tokyo U.) ; Hristov, Peter Zahariev (CERN) ; Hrivnacova, Ivana (Orsay, IPN) ; Huang, Meidana (Bergen U.) ; Humanic, Thomas (Ohio State U.) ; Hwang, Dae Sung (Sejong U.) ; Ichou, Raphaelle (Clermont-Ferrand U.) ; Ilkaev, Radiy (RFNC-VNIIEF, Sarov) ; Ilkiv, Iryna (Warsaw, Inst. Nucl. Studies) ; Inaba, Motoi (Tsukuba U.) ; Incani, Elisa (INFN, Cagliari) ; Innocenti, Gian Michele (INFN, Turin) ; Innocenti, Pier Giorgio (CERN) ; Ippolitov, Mikhail (Kurchatov Inst., Moscow) ; Irfan, Muhammad (Aligarh Muslim U.) ; Ivan, Cristian George (Darmstadt, EMMI) ; Ivanov, Marian (Darmstadt, EMMI) ; Ivanov, Andrey (St. Petersburg State U.) ; Ivanov, Vladimir (St. Petersburg, INP) ; Ivanytskyi, Oleksii (BITP, Kiev) ; Jacobs, Peter (LBL, Berkeley) ; Jang, Haeng Jin (KISTI, Daejeon) ; Janik, Rudolf (Comenius U.) ; Janik, Malgorzata Anna (Warsaw U. of Tech.) ; Jayarathna, Sandun (Houston U.) ; Jena, Satyajit (Indian Inst. Tech., Mumbai) ; Jha, Deeptanshu Manu (Wayne State U.) ; Jimenez Bustamante, Raul Tonatiuh (Mexico U., ICN) ; Jirden, Lennart (CERN) ; Jones, Peter Graham (Birmingham U.) ; Jung, Hyung Taik (Gangneung-Wonju Natl. U.) ; Jusko, Anton (Birmingham U.) ; Kaidalov, Alexei (Moscow, ITEP) ; Kakoyan, Vanik (Yerevan Phys. Inst.) ; Kalcher, Sebastian (Frankfurt U., FIAS) ; Kalinak, Peter (Kosice, IEF) ; Kalliokoski, Tuomo Esa Aukusti (Helsinki Inst. of Phys.) ; Kalweit, Alexander Philipp (CERN) ; Kang, Ju Hwan (Yonsei U.) ; Kaplin, Vladimir (Moscow Phys. Eng. Inst.) ; Karasu Uysal, Ayben (Yildiz Tech. U.) ; Karavichev, Oleg (Moscow, INR) ; Karavicheva, Tatiana (Moscow, INR) ; Karpechev, Evgeny (Moscow, INR) ; Kazantsev, Andrey (Kurchatov Inst., Moscow) ; Kebschull, Udo Wolfgang (Goethe U., Frankfurt) ; Keidel, Ralf (Fachhochsch., Worms) ; Khan, Palash (Saha Inst.) ; Khan, Mohisin Mohammed (Aligarh Muslim U.) ; Khan, Shuaib Ahmad (Calcutta, VECC) ; Khanzadeev, Alexei (St. Petersburg, INP) ; Kharlov, Yury (Serpukhov, IHEP) ; Kileng, Bjarte (Bergen Coll. Higher Educ.) ; Kim, Mimae (Gangneung-Wonju Natl. U.) ; Kim, Dong Jo (Helsinki Inst. of Phys.) ; Kim, Do Won (Gangneung-Wonju Natl. U.) ; Kim, Jonghyun (Sejong U.) ; Kim, Jin Sook (Gangneung-Wonju Natl. U.) ; Kim, Taesoo (Yonsei U.) ; Kim, Minwoo (Yonsei U.) ; Kim, Seon Hee (Gangneung-Wonju Natl. U.) ; Kim, Se Yong (Sejong U.) ; Kim, Beomkyu (Yonsei U.) ; Kirsch, Stefan (Frankfurt U., FIAS) ; Kisel, Ivan (Frankfurt U., FIAS) ; Kiselev, Sergey (Moscow, ITEP) ; Kisiel, Adam Ryszard (Warsaw U. of Tech.) ; Klay, Jennifer Lynn (Cal. Poly.) ; Klein, Jochen (Heidelberg U.) ; Klein-Bosing, Christian (Munster U.) ; Kliemant, Michael (Frankfurt U., Inst. Kernphys.) ; Kluge, Alexander (CERN) ; Knichel, Michael Linus (Darmstadt, EMMI) ; Knospe, Anders Garritt (Texas U.) ; Koch, Kathrin (Heidelberg U.) ; Kohler, Markus (Darmstadt, EMMI) ; Kollegger, Thorsten (Frankfurt U., FIAS) ; Kolojvari, Anatoly (St. Petersburg State U.) ; Kondratiev, Valery (St. Petersburg State U.) ; Kondratyeva, Natalia (Moscow Phys. Eng. Inst.) ; Konevskih, Artem (Moscow, INR) ; Korneev, Andrey (RFNC-VNIIEF, Sarov) ; Kour, Ravjeet (Birmingham U.) ; Kowalski, Marek (Cracow, INP) ; Kox, Serge (LPSC, Grenoble) ; Koyithatta Meethaleveedu, Greeshma (Indian Inst. Tech., Mumbai) ; Kral, Jiri (Helsinki Inst. of Phys.) ; Kralik, Ivan (Kosice, IEF) ; Kramer, Frederick (Frankfurt U., Inst. Kernphys.) ; Kraus, Ingrid Christine (Darmstadt, EMMI) ; Krawutschke, Tobias (Koln, Fachhochschule) ; Krelina, Michal (Prague, Tech. U.) ; Kretz, Matthias (Frankfurt U., FIAS) ; Krivda, Marian (Kosice, IEF) ; Krizek, Filip (Helsinki Inst. of Phys.) ; Krus, Miroslav (Prague, Tech. U.) ; Kryshen, Evgeny (St. Petersburg, INP) ; Krzewicki, Mikolaj (Darmstadt, EMMI) ; Kucheriaev, Yury (Kurchatov Inst., Moscow) ; Kugathasan, Thanushan (CERN) ; Kuhn, Christian Claude (Strasbourg, IPHC) ; Kuijer, Paul (NIKHEF, Amsterdam) ; Kulakov, Igor (Frankfurt U., Inst. Kernphys.) ; Kumar, Jitendra (Indian Inst. Tech., Mumbai) ; Kurashvili, Podist (Warsaw, Inst. Nucl. Studies) ; Kurepin, AB (Moscow, INR) ; Kurepin, A (Moscow, INR) ; Kuryakin, Alexey (RFNC-VNIIEF, Sarov) ; Kushpil, Svetlana (Prague, Inst. Phys.) ; Kushpil, Vasily (Prague, Inst. Phys.) ; Kvaerno, Henning (Oslo U.) ; Kweon, Min Jung (Heidelberg U.) ; Kwon, Youngil (Yonsei U.) ; Ladron de Guevara, Pedro (Mexico U., ICN) ; Lakomov, Igor (Orsay, IPN) ; Langoy, Rune (Bergen U.) ; La Pointe, Sarah Louise (NIKHEF, Amsterdam) ; Lara, Camilo Ernesto (Goethe U., Frankfurt) ; Lardeux, Antoine Xavier (SUBATECH, Nantes) ; La Rocca, Paola (INFN, Catania) ; Lazzeroni, Cristina (Birmingham U.) ; Lea, Ramona (INFN, Trieste) ; Le Bornec, Yves (Orsay, IPN) ; Lechman, Mateusz (CERN) ; Lee, Ki Sang (Gangneung-Wonju Natl. U.) ; Lee, Graham Richard (Birmingham U.) ; Lee, Sung Chul (Gangneung-Wonju Natl. U.) ; Lefevre, Frederic (SUBATECH, Nantes) ; Lehnert, Joerg Walter (Frankfurt U., Inst. Kernphys.) ; Leistam, Lars (CERN) ; Lenhardt, Matthieu Laurent (Darmstadt, EMMI) ; Lenti, Vito (INFN, Bari) ; Leon, Hermes (Mexico U.) ; Leoncino, Marco (INFN, Turin) ; Leon Monzon, Ildefonso (Sinaloa U.) ; Leon Vargas, Hermes (Frankfurt U., Inst. Kernphys.) ; Levai, Peter (Budapest, RMKI) ; Lien, Jorgen (Bergen U.) ; Lietava, Roman (Birmingham U.) ; Lindal, Svein (Oslo U.) ; Lindenstruth, Volker (Frankfurt U., FIAS) ; Lippmann, Christian (CERN) ; Lisa, Michael Annan (Ohio State U.) ; Liu, Lijiao (Bergen U.) ; Loggins, Vera (Wayne State U.) ; Loginov, Vitaly (Moscow Phys. Eng. Inst.) ; Lohn, Stefan Bernhard (CERN) ; Lohner, Daniel (Heidelberg U.) ; Loizides, Constantinos (LBL, Berkeley) ; Loo, Kai Krister (Helsinki Inst. of Phys.) ; Lopez, Xavier Bernard (Clermont-Ferrand U.) ; Lopez Torres, Ernesto (Havana, CEADEN) ; Lovhoiden, Gunnar (Oslo U.) ; Lu, Xianguo (Heidelberg U.) ; Luettig, Philipp (Frankfurt U., Inst. Kernphys.) ; Lunardon, Marcello (INFN, Padua) ; Luo, Jiebin (Hua-Zhong Normal U.) ; Luparello, Grazia (NIKHEF, Amsterdam) ; Luquin, Lionel (SUBATECH, Nantes) ; Luzzi, Cinzia (CERN) ; Ma, Ke (Hua-Zhong Normal U.) ; Ma, Rongrong (Yale U.) ; Madagodahettige-Don, Dilan Minthaka (Houston U.) ; Maevskaya, Alla (Moscow, INR) ; Mager, Magnus (CERN) ; Mahapatra, Durga Prasad (Bhubaneswar, Inst. Phys.) ; Maire, Antonin (Heidelberg U.) ; Malaev, Mikhail (St. Petersburg, INP) ; Maldonado Cervantes, Ivonne Alicia (Mexico U., ICN) ; Malinina, Ludmila (SINP, Moscow) ; Mal'Kevich, Dmitry (Moscow, ITEP) ; Malzacher, Peter (Darmstadt, EMMI) ; Mamonov, Alexander (RFNC-VNIIEF, Sarov) ; Manceau, Loic Henri Antoine (INFN, Turin) ; Mangotra, Lalit Kumar (Jammu U.) ; Manko, Vladislav (Kurchatov Inst., Moscow) ; Manso, Franck (Clermont-Ferrand U.) ; Manzari, Vito (INFN, Bari) ; Mao, Yaxian (Hua-Zhong Normal U.) ; Marchisone, Massimiliano (INFN, Turin) ; Mares, Jiri (Prague, Inst. Phys.) ; Margagliotti, Giacomo Vito (INFN, Trieste) ; Margotti, Anselmo (INFN, Bologna) ; Marin, Ana Maria (Darmstadt, EMMI) ; Marin Tobon, Cesar Augusto (CERN) ; Markert, Christina (Texas U.) ; Martashvili, Irakli (Tennessee U.) ; Martinengo, Paolo (CERN) ; Martinez, Mario Ivan (Puebla U., Mexico) ; Martinez Davalos, Arnulfo (Mexico U.) ; Martinez Garcia, Gines (SUBATECH, Nantes) ; Martynov, Yevgen (BITP, Kiev) ; Mas, Alexis Jean-Michel (SUBATECH, Nantes) ; Masciocchi, Silvia (Darmstadt, EMMI) ; Masera, Massimo (INFN, Turin) ; Masoni, Alberto (INFN, Cagliari) ; Massacrier, Laure Marie (SUBATECH, Nantes) ; Mastroserio, Annalisa (INFN, Bari) ; Matthews, Zoe Louise (Birmingham U.) ; Matyja, Adam Tomasz (SUBATECH, Nantes) ; Mayer, Christoph (Cracow, INP) ; Mazer, Joel (Tennessee U.) ; Mazzoni, Alessandra Maria (INFN, Rome) ; Meddi, Franco (INFN, Rome) ; Menchaca-Rocha, Arturo Alejandro (Mexico U.) ; Mercado Perez, Jorge (Heidelberg U.) ; Meres, Michal (Comenius U.) ; Miake, Yasuo (Tsukuba U.) ; Milano, Leonardo (INFN, Turin) ; Milosevic, Jovan (VINCA Inst. 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Tech., Mumbai) ; Nygaard, Casper (Bohr Inst.) ; Nystrand, Joakim Ingemar (Bergen U.) ; Ochirov, Alexander (St. Petersburg State U.) ; Oeschler, Helmut Oskar (CERN) ; Oh, Saehanseul (Yale U.) ; Oh, Sun Kun (Gangneung-Wonju Natl. U.) ; Oleniacz, Janusz (Warsaw U. of Tech.) ; Oppedisano, Chiara (INFN, Turin) ; Ortiz Velasquez, Antonio (Mexico U., ICN) ; Ortona, Giacomo (INFN, Turin) ; Oskarsson, Anders Nils Erik (Lund U.) ; Ostrowski, Piotr Krystian (Warsaw U. of Tech.) ; Otwinowski, Jacek Tomasz (Darmstadt, EMMI) ; Oyama, Ken (Heidelberg U.) ; Ozawa, Kyoichiro (Tokyo U.) ; Pachmayer, Yvonne Chiara (Heidelberg U.) ; Pachr, Milos (Prague, Tech. U.) ; Padilla, Fatima (INFN, Turin) ; Pagano, Paola (INFN, Salerno) ; Paic, Guy (Mexico U., ICN) ; Painke, Florian (Frankfurt U., FIAS) ; Pajares, Carlos (Santiago de Compostela U.) ; Pal, Susanta Kumar (Calcutta, VECC) ; Palaha, Arvinder Singh (Birmingham U.) ; Palmeri, Armando (INFN, Catania) ; Papikyan, Vardanush (Yerevan Phys. 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Tubingen) ; Schmidt, Christian Joachim (Darmstadt, EMMI) ; Schreiner, Steffen (CERN) ; Schuchmann, Simone (Frankfurt U., Inst. Kernphys.) ; Schukraft, Jurgen (CERN) ; Schutz, Yves Roland (SUBATECH, Nantes) ; Schwarz, Kilian Eberhard (Darmstadt, EMMI) ; Schweda, Kai Oliver (Heidelberg U.) ; Scioli, Gilda (INFN, Bologna) ; Scomparin, Enrico (INFN, Turin) ; Scott, Patrick Aaron (Birmingham U.) ; Scott, Rebecca (Tennessee U.) ; Segato, Gianfranco (INFN, Padua) ; Selioujenkov, Ilya (Darmstadt, EMMI) ; Senyukov, Serhiy (Strasbourg, IPHC) ; Seo, Jeewon (Pusan Natl. U.) ; Serci, Sergio (INFN, Cagliari) ; Serradilla, Eulogio (Mexico U.) ; Sevcenco, Adrian (Bucharest, Inst. 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Studies) ; Silvermyr, David Olle Rickard (Oak Ridge) ; Silvestre, Catherine (LPSC, Grenoble) ; Simatovic, Goran (Boskovic Inst., Zagreb) ; Simonetti, Giuseppe (CERN) ; Singaraju, Rama Narayana (Calcutta, VECC) ; Singh, Ranbir (Jammu U.) ; Singha, Subhash (Calcutta, VECC) ; Singhal, Vikas (Calcutta, VECC) ; Sinha, Tinku (Saha Inst.) ; Sinha, Bikash (Calcutta, VECC) ; Sitar, Branislav (Comenius U.) ; Sitta, Mario (Piemonte Orientale U., Alessandria) ; Skaali, Bernhard (Oslo U.) ; Skjerdal, Kyrre (Bergen U.) ; Smakal, Radek (Prague, Tech. U.) ; Smirnov, Nikolai (Yale U.) ; Snellings, Raimond (NIKHEF, Amsterdam) ; Sogaard, Carsten (Bohr Inst.) ; Soltz, Ron Ariel (LLNL, Livermore) ; Son, Hyungsuk (Sejong U.) ; Song, Jihye (Pusan Natl. U.) ; Song, Myunggeun (Yonsei U.) ; Soos, Csaba (CERN) ; Soramel, Francesca (INFN, Padua) ; Sputowska, Iwona (Cracow, INP) ; Spyropoulou-Stassinaki, Martha (Athens U.) ; Srivastava, Brijesh Kumar (Purdue U.) ; Stachel, Johanna (Heidelberg U.) ; Stan, Ionel (Bucharest, Inst. Space Sciences) ; Stan, Ionel (Bucharest, Inst. Space Sciences) ; Stefanek, Grzegorz (Warsaw, Inst. Nucl. Studies) ; Steinpreis, Matthew (Ohio State U.) ; Stenlund, Evert Anders (Lund U.) ; Steyn, Gideon Francois (Cape Town U.) ; Stiller, Johannes Hendrik (Heidelberg U.) ; Stocco, Diego (SUBATECH, Nantes) ; Stolpovskiy, Mikhail (Serpukhov, IHEP) ; Strabykin, Kirill (RFNC-VNIIEF, Sarov) ; Strmen, Peter (Comenius U.) ; Suaide, Alexandre Alarcon do Passo (Sao Paulo U.) ; Subieta Vasquez, Martin Alfonso (INFN, Turin) ; Sugitate, Toru (Hiroshima U.) ; Suire, Christophe Pierre (Orsay, IPN) ; Sukhorukov, Mikhail (RFNC-VNIIEF, Sarov) ; Sultanov, Rishat (Moscow, ITEP) ; Sumbera, Michal (Prague, Inst. 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Tech., Mumbai) ; Vasileiou, Maria (Athens U.) ; Vasiliev, Andrey (Kurchatov Inst., Moscow) ; Vechernin, Vladimir (St. Petersburg State U.) ; Veldhoen, Misha (NIKHEF, Amsterdam) ; Venaruzzo, Massimo (INFN, Trieste) ; Vercellin, Ermanno (INFN, Turin) ; Vergara, Sergio (Puebla U., Mexico) ; Vernet, Renaud (CC, Villeurbanne) ; Verweij, Marta (NIKHEF, Amsterdam) ; Vickovic, Linda (Split Tech. U.) ; Viesti, Giuseppe (INFN, Padua) ; Vikhlyantsev, Oleg (RFNC-VNIIEF, Sarov) ; Vilakazi, Zabulon (Cape Town U.) ; Villalobos Baillie, Orlando (Birmingham U.) ; Vinogradov, Yury (RFNC-VNIIEF, Sarov) ; Vinogradov, Alexander (Kurchatov Inst., Moscow) ; Vinogradov, Leonid (St. Petersburg State U.) ; Virgili, Tiziano (INFN, Salerno) ; Viyogi, Yogendra (Calcutta, VECC) ; Vodopianov, Alexander (Dubna, JINR) ; Voloshin, Sergey (Wayne State U.) ; Voloshin, Kirill (Moscow, ITEP) ; Volpe, Giacomo (CERN) ; von Haller, Barthelemy (CERN) ; Vranic, Danilo (Darmstadt, EMMI) ; vrebekk, Gaute (Bergen U.) ; Vrlakova, Janka (Kosice U.) ; Vulpescu, Bogdan (Clermont-Ferrand U.) ; Vyushin, Alexey (RFNC-VNIIEF, Sarov) ; Wagner, Vladimir (Prague, Tech. 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Kernphys.) ; Yuan, Xianbao (Hua-Zhong Normal U.) ; Yushmanov, Igor (Kurchatov Inst., Moscow) ; Zaccolo, Valentina (Bohr Inst.) ; Zach, Cenek (Prague, Tech. U.) ; Zampolli, Chiara (INFN, Bologna) ; Zaporozhets, Sergey (Dubna, JINR) ; Zarochentsev, Andrey (St. Petersburg State U.) ; Zavada, Petr (Prague, Inst. Phys.) ; Zaviyalov, Nikolai (RFNC-VNIIEF, Sarov) ; Zbroszczyk, Hanna Paulina (Warsaw U. of Tech.) ; Zelnicek, Pierre (Goethe U., Frankfurt) ; Zgura, Sorin Ion (Bucharest, Inst. Space Sciences) ; Zhalov, Mikhail (St. Petersburg, INP) ; Zhang, Haitao (Hua-Zhong Normal U.) ; Zhang, Xiaoming (Hua-Zhong Normal U.) ; Zhou, Daicui (Hua-Zhong Normal U.) ; Zhou, You (NIKHEF, Amsterdam) ; Zhou, Fengchu (Hua-Zhong Normal U.) ; Zhu, Jianhui (Hua-Zhong Normal U.) ; Zhu, Xiangrong (Hua-Zhong Normal U.) ; Zhu, Jianlin (Hua-Zhong Normal U.) ; Zichichi, Antonino (Enrico Fermi Ctr., Rome) ; Zimmermann, Alice (Heidelberg U.) ; Zinovjev, Gennady (BITP, Kiev) ; Zoccarato, Yannick Denis (Lyon U.) ; Zynovyev, Mykhaylo (BITP, Kiev) ; Zyzak, Maksym (Frankfurt U., Inst. Kernphys.)

Abstract: The pt-differential inclusive production cross section of the prompt charm-strange meson D_s in the rapidity range |y|<0.5 was measured in proton--proton collisions at sqrt(s)=7 TeV at the LHC using the ALICE detector. The analysis was performed on a data sample of 2.98 10^8 events collected with a minimum-bias trigger. The corresponding integrated luminosity is L_int=4.8 nb^-1. Reconstructing the decay D_s -.> phi pi, with phi -> KK, and its charge conjugate, about 480 D_s mesons were counted, after selection cuts, in the transverse momentum range 2<pt<12 GeV/c. The results are compared with the prediction of a model based on perturbative QCD. The ratios of the cross sections of four D meson species (namely D^0, D^+, D*^+ and D_s) were determined both as a function of pt and integrated over pt after extrapolating to full pt range, together with the strangeness suppression factor in charm fragmentation. The obtained values are found to be compatible within uncertainties with those measured by other experiments in e+e-, ep and pp interactions at various centre-of-mass energies.

Web-Page: http://inspirehep.net/record/1126963/files/arXiv:1208.1948.pdf; http://inspirehep.net/record/1126963/files/figures_D0DplusDstarDsRatiosVsOtherExperim.png; http://inspirehep.net/record/1126963/files/figures_DsCrossOnly.png; http://inspirehep.net/record/1126963/files/figures_DsMassHistos.png; http://inspirehep.net/record/1126963/files/figures_EffFor2Channels.png; http://inspirehep.net/record/1126963/files/figures_EfficiencyDirectFeedDown.png; http://inspirehep.net/record/1126963/files/figures_GammaS.png; http://inspirehep.net/record/1126963/files/figures_RatiosVsModels.png


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