1. Measurement of D-meson production at mid-rapidity in pp collisions at $${\sqrt{s}=7}$$ s = 7 TeV
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Anik Gupta, J. L. Charvet, D. Alexandre, Lucina Gabriela Espinoza Beltran, Florian Herrmann, Min Jung Kweon, J. W. Harris, A. Rachevski, Alexander Akindinov, Vicente González, Sanjib Muhuri, P. Roy, Chiara Zampolli, A. Nedosekin, Xinye Peng, Tomas Wilhelm Snellman, Zhuo Zhou, Rosario Turrisi, Silvia Masciocchi, Evgeny Kondratyuk, O. Villalobos Baillie, Christian Lippmann, Luis Gustavo Pereira, J. W. Van Hoorne, R. A. Ricci, V. P. Kondratiev, Jinjin Pan, Jacek Tomasz Otwinowski, Jørgen André Lien, William Edward Witt, Bruno Espagnon, Kenta Shigaki, A. K. Bhati, Andrey Vasiliev, Marko Jercic, A. Sharma, Rajendra Nath Patra, Serpil Yalcin, Enrico Scomparin, A. A. Vinogradov, Renaud Vernet, C. Klein-Bösing, Nima Zardoshti, Philippe Pillot, Baidyanath Sahoo, D. A. Moreira De Godoy, Stefan Thomas Heckel, Nikolai Smirnov, Susanna Costanza, Edmundo Javier Garcia-Solis, J. de Cuveland, Massimiliano Marchisone, Deepa Thomas, P. Rosnet, Raphael Noel Tieulent, Andrey Reshetin, Sukalyan Chattopadhyay, Marcello Lunardon, Markus Ball, Pooja Pareek, Ranjit Nayak, H.B. Kim, Rudiger Haake, Stefano Trogolo, Claudiu Cornel Schiaua, A. S. Nyanin, F. Bellini, Giulio Eulisse, Kishora Nayak, Kilian Eberhard Schwarz, Janet Elizabeth Seger, Bastian Bathen, Henrik Qvigstad, D. S. Hwang, A. Feliciello, Patrick Simon Reichelt, Sergey Nazarenko, Sandra Moretto, Andrea Danu, Guillaume Batigne, Sven Gotovac, Zabulon Vilakazi, Roman Lavicka, J. Saini, Biswarup Paul, Panagiotis Christakoglou, T. K. Nayak, Ajay Kumar Dash, Xuan Zhang, G. Koyithatta Meethaleveedu, Philipp Johannes Luettig, A. Maire, Anton Jusko, Ivan Kralik, Miroslav Pikna, P. Crochet, Andrea Francescon, Mario Sitta, Bernhard Hohlweger, Yuri Melikyan, Olja Dordic, A. Batista Camejo, Jeremi Niedziela, T. P. Sinha, S. Li, Hanna Paulina Zbroszczyk, Juan Carlos Cabanillas Noris, M. Weber, Toru Sugitate, Michele Floris, A. Szczepankiewicz, Luca Barioglio, Brigitte Cheynis, Carsten Klein, Jongsik Eum, Annalisa Mastroserio, Jan Fiete Grosse-Oetringhaus, M. Nicassio, Arturo Alejandro Menchaca-Rocha, M. Gallio, Igor Altsybeev, Davide Pagano, Paolo Pagano, Jacobus Onderwaater, Bedangadas Mohanty, B. Ketzer, Sibaji Raha, Filip Erhardt, Amalia Pop, Rachid Guernane, Chitrasen Jena, Imrich Szarka, Petr Zavada, Deepika Rathee, R. P. Scharenberg, Christina Markert, Paul Christoph Bätzing, Ramona Lea, L. Aphecetche, Ernst Hellbar, Sonia Rajput, Volodymyr Yurchenko, Antonija Utrobicic, A. Fernández Téllez, Horst Sebastian Scheid, V. Petráček, Ruben Shahoyan, Nicolo Jacazio, Janka Vrlakova, Paolo Giubellino, D. J. Kim, Jihyun Bhom, Hideki Hamagaki, Renu Bala, Ken Suzuki, Anselmo Margotti, Andreas Michael Mathis, Prabhat Ranjan Pujahari, Peter Strmen, Natalia Kondratyeva, Mateusz Andrzej Ploskon, Nilmoni Sarkar, Vladimir Vechernin, D. Peresunko, Kirill Voloshin, Przemyslaw Rokita, A. Rakotozafindrabe, Michelangelo Agnello, Sanjeev Kumar, C. de Conti, Filippo Costa, Silvia Arcelli, P. H. S. Y. Jayarathna, G. Hamar, J. H. Kim, Manuel Colocci, A. Villatoro Tello, E. López Torres, Satoshi Yano, Tomoya Tsuji, Arseniy Shabanov, N. Sharma, David Michael Rohr, Mauro Rogerio Cosentino, Peter Kalinak, Valery Punin, Kristjan Herlache Gulbrandsen, Charalampos Kouzinopoulos, Johannes Peter Wessels, Michael Linus Knichel, Suharyo Sumowidagdo, Monika Kofarago, Gualtiero Volpe, Salvatore Aiola, B. K. Srivastava, Paolo Camerini, Sergey Voloshin, D. Miśkowiec, Yasuo Miake, A. Kolojvari, D. M. Goméz Coral, Andrey Zarochentsev, Daniel Berenyi, Paolo Martinengo, O. Vazquez Doce, Myunggeun Song, W. J. Llope, Lucia Leardini, G. de Cataldo, Alessandra Fantoni, Fabio Filippo Colamaria, A. J. Rubio Montero, Haavard Helstrup, Rafael Peretti Pezzi, H. Borel, M. Martinez Pedreira, K. Schweda, Ali Zaman, M. H. P. Sas, Raymond James Ehlers, Vladimir Nikulin, Boris Hippolyte, Vojtech Pacik, Francesco Noferini, T. Kollegger, J. H. Kang, Alexander Borissov, Seyong Kim, Laszlo Olah, Haiyan Wang, Udo Wolfgang Kebschull, Pascal Dupieux, Andrea Dainese, Fatiha Lehas, H. Natal da Luz, Peter Zahariev Hristov, Ken Oyama, Palash Khan, C. Hadjidakis, Bogdan Theodor Rascanu, Anthony Robert Timmins, Adam Ryszard Kisiel, R. D. De Souza, Peter Chochula, A. S. Gonzalez, Christophe Pierre Suire, Mukesh Sharma, Nicole Bastid, Latchezar Betev, Eleazar Cuautle, Jurgen Schukraft, Satyabrata Kar, Victor Trubnikov, B. Di Ruzza, Julien Faivre, Cristina Bedda, Katie Leanne Graham, Johann Zmeskal, Lucile Ronflette, Hiroshi Murakami, Xiaowen Ren, Marianna Mazzilli, Adriana Telesca, Ivan Vorobyev, Caterina Deplano, Alessandro Grelli, N. Zaviyalov, A. Gomez Ramirez, Rosario Nania, Aleksey M. Tikhonov, Satyajit Jena, Kunal Garg, Marco Marquard, Davide Caffarri, A. Ortiz Velasquez, Stefano Bagnasco, Costin Grigoras, Leonardo Milano, Angela Badala, Hartmut Hillemanns, Anand Kumar Dubey, Hans Martin Ljunggren, Hans Peter Beck, Anders Garritt Knospe, L. V. Malinina, Iouri Belikov, Thomas Dietel, Roman Lietava, E. Fragiacomo, Ian Gardner Bearden, Christophe Furget, Jean Willy Andre Cleymans, Volker Lindenstruth, Barbara Antonina Trzeciak, Johannes Hendrik Stiller, G. S. Pappalardo, M. Masera, M. Ivanov, Sergey Fokin, Torsten Alt, E. G. Ferreiro, Vladimir Belyaev, J. T. Blair, M. E. Connors, Linda Vickovic, P. G. Kuijer, J. G. Contreras, J. J. Gaardhøje, Hongbo Zhu, Redmer Alexander Bertens, Luciano Musa, V. Lenti, Ulrich Fuchs, Corrado Gargiulo, Manoj Bhanudas Jadhav, Sebastian Klewin, Ajay Kumar, Siegfried Valentin Foertsch, S. K. Basu, Konstantin Munning, J. Mercado Pérez, P. La Rocca, J. Wiechula, Beomsu Chang, Corey James Myers, C. Oppedisano, M. Bombara, Tatiana Drozhzhova, Catalin-Lucian Ristea, Leo Clifford Greiner, Mohammad Ahmad Saleh, D. Vranic, Vitaly Loginov, A. Rossi, Ionut Cristian Arsene, M. C. S. Williams, You Zhou, G. E. Bruno, A. Roy, Sanchari Thakur, P. W. Stankus, Alberto Caliva, Sohail Musa Mahmood, Raimond Snellings, S. P. Sorensen, Dezso Varga, Andrew John Lowe, Arturo Tauro, V. Petrov, Wladyslaw Henryk Trzaska, Alex Henri Jean Chauvin, D. De Gruttola, Robert Helmut Munzer, Madalina-Gabriela Tarzila, Oleg Karavichev, Michal Broz, H. Bello Martinez, Alberto Rotondi, Nicole Alice Martin, Alexey Kuryakin, Filimon Roukoutakis, Hermann Franz Degenhardt, Ashpreet Kaur Duggal, Audrey Francisco, Daniel Michael Muhlheim, Adrian Sevcenco, Stefano Panebianco, David Dobrigkeit Chinellato, F. Ronchetti, Marian Krivda, Lidia Maria Gorlich, Kenneth Francis Read, Bharati Naik, Y. Pestov, C. Ceballos Sanchez, Jan Pospíšil, S. K. Ghosh, Tuva Ora Herenui Richert, Markus Bernhard Zimmermann, Mihai Petrovici, Ara Grigoryan, D. Elia, Bernd Stefan Windelband, S. De Pasquale, Felix Reidt, Erin Frances Gauger, Jai Samuel Nielsen Salzwedel, A. M. Gago, Varlen Grabski, Stefania Bufalino, Soyeon Cho, Julius Maximilian Gronefeld, Alla Maevskaya, Christoph Blume, Andrzej Rybicki, Vit Kucera, Ciprian Mihai Mitu, Esther Bartsch, Vladimir Izucheev, Premomoy Ghosh, Konstantin Mikhaylov, Saehanseul Oh, Alexander Szabo, Filip Krizek, Anisa Khatun, Iwona Anna Sputowska, Nur Hussain, Gennady Zinovjev, Sadhana Dash, Dieter Røhrich, Theo Alexander Broker, Y. J. Kwon, Dmitry Blau, C. Roy, M. Keil, Dennis Franz Weiser, R. D. Majka, Wanchaloem Poonsawat, Y. F. Ryabov, Slavka Jadlovska, Sabyasachi Siddhanta, Alberto Masoni, V. Chibante Barroso, Raghunath Sahoo, Valerie Ramillien Barret, L. O. D. L. Pimentel, Artur Furs, Vladislav Manko, Jesse Thomas Buxton, Jeremy John Wilkinson, Agneta Oskarsson, Alessandro Ferretti, Sergey Gorbunov, Vladimir Peskov, Grzegorz Andrzej Wilk, Matthias Richter, Podist Kurashvili, Branislav Sitar, L. Nellen, Austin Vincent Harton, C. J. Schmidt, Ritsuya Hosokawa, Tyler Harrison Lutz, Fedor Guber, Mikhail Malaev, Xiangrong Zhu, M. I. Martínez, A. B. Kurepin, Mirko Planinic, Paolo Bartalini, Ejiro Naomi Umaka, Debasish Das, Emilia Leogrande, Viktor Ratza, B. von Haller, A. Karasu Uysal, Johannes Lehrbach, R. T. Jimenez Bustamante, Sidharth Kumar Prasad, Arild Velure, Omar Vazquez Rueda, Tatsuya Chujo, Andrea Castro, Marcel Araujo Silva Figueredo, Dario Berzano, Anju Bhasin, David Olle Rickard Silvermyr, Martin Schmidt, Barbara Guerzoni, Peter Christiansen, G. Boca, G. A. Feofilov, Harry Arthur Andrews, Thomas Peitzmann, Y. Mao, J. S. Kim, Petra Loncar, Matteo Concas, Janusz Oleniacz, Y. Berdnikov, Ana Vargas, Danthasinghe Piyarathna, I. Maldonado Cervantes, Krzysztof Redlich, Sami Sakari Rasanen, Ashutosh Pandey, In-kwon Yoo, Serhiy Senyukov, J. A. L. Martinez, Jan Cabala, Elena Bruna, Alexander Kluge, Antonio Uras, S. Schuchmann, V. J. G. Feuillard, S. Vigolo, Kjetil Ullaland, N. De Marco, G. V. Margagliotti, Francesco Riggi, Panagiota Foka, Franco Meddi, D. L. D. Keijdener, Ranbir Singh, Simon Voigt Nesbø, Mandeep Kour, Linus Feldkamp, Andres Sandoval, M. Zhalov, Maciej Pawel Szymanski, Franck Manso, M. Cherney, Chinorat Kobdaj, Leonid Vinogradov, Gabor Kiss, K. Shtejer, Martin Vala, Sibaliso Mhlanga, Elisa Meninno, H. Pereira Da Costa, Ante Bilandzic, G. Herrera Corral, Johanna Stachel, Muhammad Umair Naru, Katarina Krizkova Gajdosova, Vladimir Ivanov, Zubayer Ahammed, Oliver Werner Arnold, M. A. Diaz Corchero, Mohammad Tariq, K. Barth, Oliver Busch, Øystein Djuvsland, D. Budnikov, Cvetan Valeriev Cheshkov, Mikhail Ippolitov, Alexandru Bercuci, Maximiliano Puccio, Adam Tomasz Matyja, Attiq Ur Rehman, Ki-Seok Choi, Mesut Arslandok, Sudipan De, Michal Sefcik, Martin Poghosyan, J. L. Klay, A. R. Reolon, A. Rustamov, Oleksandr Kovalenko, Fiorella Maria Celeste Fionda, Matti Mikael Mieskolainen, Thomas Michael Cormier, Lokesh Kumar, Mikolaj Krzewicki, Giuseppe Trombetta, Hua Pei, Jubin Mitra, Z. Conesa del Valle, Klaus Johannes Reygers, Astrid Morreale, Dominik Voscek, H. J. C. Zanoli, Evgeny Kryshen, Alexandre Shabetai, M. S. Islam, Radiy Ilkaev, C. Lara, Motoi Inaba, Jin Hee Yoon, Surya Prakash Pathak, Y. Sekiguchi, Dong Jo Kim, G. Conesa Balbastre, Peter Martin Jacobs, J. Bartke, Inayat Rasool Bhat, Fouad Rami, G. Tejeda Muñoz, Petra Riedler, Maciej Slupecki, Johan Alme, Lawrence Pinsky, Luciano Ramello, D. B. Rana, Sergey Kiselev, G. L. Usai, Sylvain Chapeland, Natalia Zhigareva, Barbara Jacak, Krzysztof Marek Sielewicz, Jung-Il Song, Alexander Philipp Kalweit, Malgorzata Anna Janik, Raffaele Grosso, Rune Langøy, Roberta Arnaldi, Alexandru Florin Dobrin, Dhananjaya Thakur, Werner Riegler, Kirill Lapidus, Miljenko Suljic, Antoine Xavier Lardeux, Boris Batyunya, Joel Anthony Mazer, James Declan Mulligan, T. J. Humanic, Jon Christopher Wikne, Matej Oravec, Xing Long Li, Jaime Norman, K. Šafařík, Preeti Dhankher, Ganesh Jagannath Tambave, Alexander Deisting, Charles E. Hughes, Rinaldo Rui, Qiye Shou, Michal Kopcik, A. A. Capon, D. Watanabe, Uzma Tabassam, Vladimir V. Isakov, S. Sadovsky, Shih-Chang Lee, Chengxin Zhao, Jitendra Kumar, Teodor Siemiarczuk, F. Carena, Taku Gunji, Davide Francesco Lodato, Shuaib Ahmad Khan, Domenico Colella, Christian Holm Christensen, F. Soramel, D. Domenicis Gimenez, J. Pluta, Sampo Saarinen, Barbara Ewa Erazmus, Evgeny Ryabinkin, Yongwook Baek, Zhiqing Zhang, A. C. Oliveira Da Silva, Nicola Bianchi, Andrea Dubla, Jin-Hong Park, Henner Buesching, Erik Brücken, Raphaelle Marie Bailhache, Andreas Morsch, M. Fusco Girard, Sergey Evdokimov, D. Hatzifotiadou, Sean Murray, Martin Andreas Volkl, Vladimir Samsonov, Boris Teyssier, Germano Bonomi, Christine Nattrass, Alexander Mamonov, Predrag Buncic, N. Grion, Laszlo Boldizsar, J. Takahashi, Evgeny Karpechev, Jan Wagner, Anton Alkin, Michal Meres, Tiziano Virgili, Markus Fasel, Roberto Preghenella, S. L. La Pointe, G. Aglieri Rinella, R. Varma, Jussi Samuli Viinikainen, Dmitry Finogeev, Marek Chojnacki, David H. Evans, Lee Stuart Barnby, Shingo Sakai, Giuseppe Simonetti, Ermanno Vercellin, Matthias Bonora, Uwe Westerhoff, Alberto Collu, Samrangy Sadhu, Paul Alois Buhler, Jan Jadlovsky, Eugen Mudnic, Jorn Henning Putschke, Gilda Scioli, E. Serradilla, Ivan Ravasenga, Federico Antinori, C. Loizides, Rene Bellwied, Annika Passfeld, J. Castillo Castellanos, M. A. Mazzoni, Artem Konevskikh, Tahir Hussain, Piero Giubilato, Debojit Sarkar, Annelies Marianne Veen, Vito Manzari, Ralf Peter Averbeck, S. Beole, C. Lagana Fernandes, Sergio Arturo Iga Buitron, Carlos Duarte Galvan, Naoto Tanaka, Buddhadeb Bhattacharjee, Boris Wagner, Stefano Piano, Chiara Bianchin, Tyler Allen Browning, Gerardus Nooren, Elisa Laudi, Andrei Ionut Herghelegiu, Heiko Engel, Jamila Bashir Butt, Y. Sibiriak, Kgotlaesele Senosi, Michal Sumbera, Mihai Niculescu, Michael Wang, Sang Un Ahn, Peter Glassel, Diego Stocco, Ilya Selyuzhenkov, Xavier Bernard Lopez, Jaroslav Bielcik, Monika Joanna Jakubowska, R. N. Singaraju, Elena Rogochaya, Christian Bourjau, C. Garabatos, Jan Musinsky, Ombretta Pinazza, Hiroki Yokoyama, Arvind Khuntia, Roy Crawford Lemmon, A. A. P. Suaide, Sourav Kundu, Francesco Barile, T. Antičić, Andrea Festanti, Valentina Zaccolo, M. Basile, Hans Rudolf Schmidt, Cristina Terrevoli, Viktor Riabov, Jana Crkovská, Jana Bielcikova, Igor Lakomov, J. Zhu, Dirk Hutter, M. Rodríguez Cahuantzi, E. Spiriti, Christian Claude Kuhn, Irais Bautista Guzman, Shreyasi Acharya, H. Appelshäuser, Mohamad Tarhini, Ketil Røed, Sebastian Lehner, P. Cerello, D. L. Mihaylov, Shinichi Hayashi, Pranjal Sarma, E. Nappi, Susan L. Swain, Robert Vertesi, A. Baldisseri, L. Lazaridis, Min Suk Kim, Benjamin Donigus, Bjarte Kileng, Mais Kazim Oglu Suleymanov, P. I. Loenne, Jacopo Margutti, S. Choudhury, Sergey Nikolaev, Laurent Ducroux, Prakhar Garg, Joakim Nystrand, Hendrik Poppenborg, Anastasia Maria Barbano, Pascal Dillenseger, F. Carnesecchi, Alexei Khanzadeev, Rama Chandra Baral, Helmut Oskar Oeschler, Pragati Sahoo, Eugenio Scapparone, M. An, Anton Andronic, Matteo Lupi, T. J. Kim, Julien Charles Hamon, Nikola Poljak, Torsten Dahms, Peter Graham Jones, E. Stenlund, I. Cortés Maldonado, Sk Noor Alam, Smbat Grigoryan, S. Das, S. Mahajan, Prabhakar Palni, Eric Endress, Rainer Martin Schicker, Andrzej Deloff, Jan Hladky, J. Book, Andre Augustinus, Lukasz Kamil Graczykowski, Ewa Gladysz-dziadus, Jan Rak, D. W. Kim, Rahul Ramachandran Nair, Baldo Sahlmuller, Vardanush Papikyan, R. Alfaro Molina, R. Scott, Marie Germain, Yu. V. Kharlov, A. De Caro, Catherine Micaela Silvestre, J. Van Der Maarel, P. Di Nezza, Marielle Chartier, H. Zhang, Sebastian Rosado Navarro, Basanta Kumar Nandi, Svein Lindal, Rishat Sultanov, Ping Yang, F. Scarlassara, E. M. Fiore, Steffen Georg Weber, C. Petta, Dagmar Adamová, Alice Elisabeth Ohlson, Marcello Borri, Alexander Vodopyanov, Adela Kravcakova, Christopher Daniel Anson, Kristin Fanebust Hetland, Svetlana Kushpil, Madan M. Aggarwal, Alexandr Tumkin, N. Ahmad, Guido Alexander Willems, Rathijit Biswas, P. L. M. Podesta-Lerma, Neelima Agrawal, Gabriele Gaetano Fronze, Rafay Anwar, Sushanta Tripathy, I. León Monzón, Jozef Ferencei, F. Bock, Alexis Jean-michel Mas, C. Cicalo, Tomas Vanat, Ionel Stan, Fabian Ng, Guy Paic, R. C. Gupta, Meike Charlotte Danisch, Aditya Nath Mishra, Roberto Divia, Dimitry Aleksandrov, S. Porteboeuf-Houssais, Sarita Sahoo, Yvonne Chiara Pachmayer, Mohd Danish Azmi, Peter Malzacher, Alberica Toia, Magnus Mager, R. Orava, Marton Vargyas, W. J. Park, Pietro Antonioli, Andre Mischke, Luisa Cifarelli, Pradip Kumar Sahu, Fabrizio Grosa, Rainer Arno Ernst Renfordt, Andrew Michael Kubera, Petr Nomokonov, David Horak, Rashmi Raniwala, Claude Andre Pruneau, Roberto Barbera, Elena Botta, R. A. Negrao De Oliveira, Ana Maria Marin, C. Zhang, V. Grigoriev, Y. Corrales Morales, Lukas Gruber, Kohei Terasaki, Toralf Bernhard Skaali, Miroslaw Marek Kielbowicz, Michael Henry Oliver, G. Martínez García, P. González-Zamora, Bruno Alessandro, Priyanka Sett, H. Caines, Sudhir Raniwala, Tatiana Karavicheva, Z. Yin, Syaefudin Jaelani, M. O. Schmidt, Laura Fabbietti, G. Puddu, Daiki Sekihata, E. Perez Lezama, J.A. Mares, Grazia Luparello, Paraskevi Ganoti, M. van Leeuwen, Goran Simatovic, A. Di Mauro, Peter Braun-Munzinger, Sanjeev Singh Sambyal, Valeriy Pozdniakov, Dmitry Mal'kevich, Ashik Ikbal Sheikh, Y. Zhang, E. A. R. Casula, Ralf Keidel, Alice Zimmermann, Lilit Karayan, S. Vergara Limón, Peter Levai, Gergely Gabor Barnafoldi, F. R. Grull, L. A. P. Moreno, Christoph Mayer, U. Frankenfeld, Benjamin Andreas Hess, Sergey Filchagin, Marco Bregant, E. Montes, F. Prino, B. Polichtchouk, Astrid Vauthier, A. De Falco, Andile Mothegi Whitehead, P. Gianotti, Danilo Silva De Albuquerque, P. Vande Vyvre, Tsubasa Okubo, Sonia Parmar, Maria Vasileiou, V. Paticchio, Vladimir Kovalenko, Stephanie Zimmermann, Wisla Carena, Martino Gagliardi, Nirbhay Kumar Behera, D. Di Bari, S. Esumi, M. Irfan, S. U. Chung, Chaosong Gao, Saikat Biswas, Andrea Alici, Dai-Mei Zhou, Yves Roland Schutz, Federica Sozzi, Cristian Andrei, Venelin Anguelov, Eliane Epple, J. Porter, Alessandra Lattuca, Jochen Klein, Vladyslav Litichevskyi, Trine Spedstad Tveter, Ivan Kisel, Igor Pshenichnov, I. Das, Jan Figiel, Z. Buthelezi, Livio Bianchi, L. Cunqueiro, Sumit Kumar Saha, Jovan Milosevic, Benjamin Audurier, Federico Cindolo, M. Mohisin Khan, Borge Svane Nielsen, Artem Shangaraev, Pietro Cortese, Cristiane Jahnke, Gabor Biro, Naghmeh Mohammadi, E. Calvo Villar, Stefan Kirsch, Sergey Nikulin, Piotr Jan Gasik, Vikas Singhal, Antonino Zichichi, Marcelo Gameiro Munhoz, Valeria Muccifora, A. G. Bogdanov, Vladimir Kaplin, Vytautas Vislavicius, Oksana Shadura, Marek Kowalski, Y. Watanabe, M. A. Lisa, Gyula Bencedi, Maitreyee Mukherjee, R. Russo, C. Alves Garcia Prado, and Sona Pochybova
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Physics ,Particle physics ,Physics and Astronomy (miscellaneous) ,Meson ,010308 nuclear & particles physics ,Hadron ,High Energy Physics::Phenomenology ,Perturbative QCD ,Charge (physics) ,lcsh:Astrophysics ,7. Clean energy ,01 natural sciences ,Nuclear physics ,0103 physical sciences ,D meson ,lcsh:QB460-466 ,lcsh:QC770-798 ,Rapidity ,Production (computer science) ,High Energy Physics::Experiment ,lcsh:Nuclear and particle physics. Atomic energy. Radioactivity ,010306 general physics ,Nuclear Experiment ,Engineering (miscellaneous) ,Energy (signal processing) - Abstract
The production cross sections for prompt charmed mesons $$\mathrm{D^0}$$ , $$\mathrm{D^+}$$ , $$\mathrm{D^{*+}}$$ and $$\mathrm{D_s^+}$$ were measured at mid-rapidity in proton–proton collisions at a centre-of-mass energy $$\sqrt{s}=7~{\mathrm {TeV}}$$ with the ALICE detector at the Large Hadron Collider (LHC). D mesons were reconstructed from their decays $$\mathrm{D}^0 \rightarrow \mathrm{K}^-\pi ^+$$ , $$\mathrm{D}^+\rightarrow \mathrm{K}^-\pi ^+\pi ^+$$ , $$\mathrm{D}^{*+} \rightarrow \mathrm{D}^0 \pi ^+$$ , $$\mathrm{D_s^{+}\rightarrow \phi \pi ^+\rightarrow K^-K^+\pi ^+}$$ , and their charge conjugates.With respect to previous measurements in the same rapidity region, the coverage in transverse momentum ( $$p_\mathrm{T}$$ ) is extended and the uncertainties are reduced by a factor of about two. The accuracy on the estimated total $$\mathrm{c}{\overline{\mathrm{c}}}$$ production cross section is likewise improved. The measured $$p_\mathrm{T}$$ -differential cross sections are compared with the results of three perturbative QCD calculations.
- Published
- 2017
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