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$K^{*} {(892)}^{0}$ and $ϕ (1020)$ production in Pb-Pb collisions at $\sqrt{s_{N N}} = 2.76$ TeV

B. Abelev^1,†, J. Adam², D. Adamová³, M. M. Aggarwal⁴, M. Agnello^5,6, A. Agostinelli⁷, N. Agrawal⁸, Z. Ahammed⁹, N. Ahmad¹⁰ et al. (ALICE Collaboration)

N. Ahmad¹⁰, A. Ahmad Masoodi¹⁰, I. Ahmed¹¹, S. U. Ahn¹², S. A. Ahn¹², I. Aimo^5,6, S. Aiola¹³, M. Ajaz¹¹, A. Akindinov¹⁴, D. Aleksandrov¹⁵, B. Alessandro⁵, D. Alexandre¹⁶, A. Alici^17,18, A. Alkin¹⁹, J. Alme²⁰, T. Alt²¹, V. Altini²², S. Altinpinar²³, I. Altsybeev²⁴, C. Alves Garcia Prado²⁵, C. Andrei²⁶, A. Andronic²⁷, V. Anguelov²⁸, J. Anielski²⁹, T. Antičić³⁰, F. Antinori³¹, P. Antonioli¹⁸, L. Aphecetche³², H. Appelshäuser³³, N. Arbor³⁴, S. Arcelli⁷, N. Armesto³⁵, R. Arnaldi⁵, T. Aronsson¹³, I. C. Arsene²⁷, M. Arslandok³³, A. Augustinus³⁶, R. Averbeck²⁷, T. C. Awes³⁷, M. D. Azmi³⁸, M. Bach²¹, A. Badalà³⁹, Y. W. Baek^40,41, S. Bagnasco⁵, R. Bailhache³³, R. Bala⁴², A. Baldisseri⁴³, F. Baltasar Dos Santos Pedrosa³⁶, R. C. Baral⁴⁴, R. Barbera⁴⁵, F. Barile²², G. G. Barnaföldi⁴⁶, L. S. Barnby¹⁶, V. Barret⁴⁰, J. Bartke⁴⁷, M. Basile⁷, N. Bastid⁴⁰, S. Basu⁹, B. Bathen²⁹, G. Batigne³², B. Batyunya⁴⁸, P. C. Batzing⁴⁹, C. Baumann³³, I. G. Bearden⁵⁰, H. Beck³³, C. Bedda⁶, N. K. Behera⁸, I. Belikov⁵¹, F. Bellini⁷, R. Bellwied⁵², E. Belmont-Moreno⁵³, G. Bencedi⁴⁶, S. Beole⁵⁴, I. Berceanu²⁶, A. Bercuci²⁶, Y. Berdnikov^55,56, D. Berenyi⁴⁶, R. A. Bertens⁵⁷, D. Berzano⁵⁴, L. Betev³⁶, A. Bhasin⁴², I. R. Bhat⁴², A. K. Bhati⁴, B. Bhattacharjee⁵⁸, J. Bhom⁵⁹, L. Bianchi⁵⁴, N. Bianchi⁶⁰, C. Bianchin⁵⁷, J. Bielčík², J. Bielčíková³, A. Bilandzic⁵⁰, S. Bjelogrlic⁵⁷, F. Blanco⁶¹, D. Blau¹⁵, C. Blume³³, F. Bock^28,62, A. Bogdanov⁶³, H. Bøggild⁵⁰, M. Bogolyubsky⁶⁴, L. Boldizsár⁴⁶, M. Bombara⁶⁵, J. Book³³, H. Borel⁴³, A. Borissov⁶⁶, F. Bossú⁶⁷, M. Botje⁶⁸, E. Botta⁵⁴, S. Böttger⁶⁹, P. Braun-Munzinger²⁷, M. Bregant²⁵, T. Breitner⁶⁹, T. A. Broker³³, T. A. Browning⁷⁰, M. Broz^71,2, E. Bruna⁵, G. E. Bruno²², D. Budnikov⁷², H. Buesching³³, S. Bufalino⁵, P. Buncic³⁶, O. Busch²⁸, Z. Buthelezi⁶⁷, D. Caffarri⁷³, X. Cai⁷⁴, H. Caines¹³, A. Caliva⁵⁷, E. Calvo Villar⁷⁵, P. Camerini⁷⁶, F. Carena³⁶, W. Carena³⁶, J. Castillo Castellanos⁴³, E. A. R. Casula⁷⁷, V. Catanescu²⁶, C. Cavicchioli³⁶, C. Ceballos Sanchez⁷⁸, J. Cepila², P. Cerello⁵, B. Chang⁷⁹, S. Chapeland³⁶, J. L. Charvet⁴³, S. Chattopadhyay⁹, S. Chattopadhyay⁸⁰, V. Chelnokov¹⁹, M. Cherney⁸¹, C. Cheshkov⁸², B. Cheynis⁸², V. Chibante Barroso³⁶, D. D. Chinellato⁵², P. Chochula³⁶, M. Chojnacki⁵⁰, S. Choudhury⁹, P. Christakoglou⁶⁸, C. H. Christensen⁵⁰, P. Christiansen⁸³, T. Chujo⁵⁹, S. U. Chung⁸⁴, C. Cicalo⁸⁵, L. Cifarelli^17,7, F. Cindolo¹⁸, J. Cleymans³⁸, F. Colamaria²², D. Colella²², A. Collu⁷⁷, M. Colocci⁷, G. Conesa Balbastre³⁴, Z. Conesa del Valle⁸⁶, M. E. Connors¹³, J. G. Contreras⁸⁷, T. M. Cormier⁶⁶, Y. Corrales Morales⁵⁴, P. Cortese⁸⁸, I. Cortés Maldonado⁸⁹, M. R. Cosentino²⁵, F. Costa³⁶, P. Crochet⁴⁰, R. Cruz Albino⁸⁷, E. Cuautle⁹⁰, L. Cunqueiro⁶⁰, A. Dainese³¹, R. Dang⁷⁴, A. Danu⁹¹, D. Das⁸⁰, I. Das⁸⁶, K. Das⁸⁰, S. Das⁹², A. Dash⁹³, S. Dash⁸, S. De⁹, H. Delagrange^32,‡, A. Deloff⁹⁴, E. Dénes⁴⁶, G. D'Erasmo²², A. De Caro^95,17, G. de Cataldo⁹⁶, J. de Cuveland²¹, A. De Falco⁷⁷, D. De Gruttola^95,17, N. De Marco⁵, S. De Pasquale⁹⁵, R. de Rooij⁵⁷, M. A. Diaz Corchero⁶¹, T. Dietel²⁹, R. Divià³⁶, D. Di Bari²², S. Di Liberto⁹⁷, A. Di Mauro³⁶, P. Di Nezza⁶⁰, Ø. Djuvsland²³, A. Dobrin⁵⁷, T. Dobrowolski⁹⁴, D. Domenicis Gimenez²⁵, B. Dönigus³³, O. Dordic⁴⁹, A. K. Dubey⁹, A. Dubla⁵⁷, L. Ducroux⁸², P. Dupieux⁴⁰, A. K. Dutta Majumdar⁸⁰, R. J. Ehlers¹³, D. Elia⁹⁶, H. Engel⁶⁹, B. Erazmus^36,32, H. A. Erdal²⁰, D. Eschweiler²¹, B. Espagnon⁸⁶, M. Esposito³⁶, M. Estienne³², S. Esumi⁵⁹, D. Evans¹⁶, S. Evdokimov⁶⁴, D. Fabris³¹, J. Faivre³⁴, D. Falchieri⁷, A. Fantoni⁶⁰, M. Fasel²⁸, D. Fehlker²³, L. Feldkamp²⁹, D. Felea⁹¹, A. Feliciello⁵, G. Feofilov²⁴, J. Ferencei³, A. Fernández Téllez⁸⁹, E. G. Ferreiro³⁵, A. Ferretti⁵⁴, A. Festanti⁷³, J. Figiel⁴⁷, M. A. S. Figueredo⁹⁸, S. Filchagin⁷², D. Finogeev⁹⁹, F. M. Fionda²², E. M. Fiore²², E. Floratos¹⁰⁰, M. Floris³⁶, S. Foertsch⁶⁷, P. Foka²⁷, S. Fokin¹⁵, E. Fragiacomo¹⁰¹, A. Francescon^36,73, U. Frankenfeld²⁷, U. Fuchs³⁶, C. Furget³⁴, M. Fusco Girard⁹⁵, J. J. Gaardhøje⁵⁰, M. Gagliardi⁵⁴, A. M. Gago⁷⁵, M. Gallio⁵⁴, D. R. Gangadharan¹⁰², P. Ganoti³⁷, C. Garabatos²⁷, E. Garcia-Solis¹⁰³, C. Gargiulo³⁶, I. Garishvili¹, J. Gerhard²¹, M. Germain³², A. Gheata³⁶, M. Gheata^36,91, B. Ghidini²², P. Ghosh⁹, S. K. Ghosh⁹², P. Gianotti⁶⁰, P. Giubellino³⁶, E. Gladysz-Dziadus⁴⁷, P. Glässel²⁸, A. Gomez Ramirez⁶⁹, P. González-Zamora⁶¹, S. Gorbunov²¹, L. Görlich⁴⁷, S. Gotovac¹⁰⁴, L. K. Graczykowski¹⁰⁵, A. Grelli⁵⁷, A. Grigoras³⁶, C. Grigoras³⁶, V. Grigoriev⁶³, A. Grigoryan¹⁰⁶, S. Grigoryan⁴⁸, B. Grinyov¹⁹, N. Grion¹⁰¹, J. F. Grosse-Oetringhaus³⁶, J.-Y. Grossiord⁸², R. Grosso³⁶, F. Guber⁹⁹, R. Guernane³⁴, B. Guerzoni⁷, M. Guilbaud⁸², K. Gulbrandsen⁵⁰, H. Gulkanyan¹⁰⁶, T. Gunji¹⁰⁷, A. Gupta⁴², R. Gupta⁴², K. H. Khan¹¹, R. Haake²⁹, Ø. Haaland²³, C. Hadjidakis⁸⁶, M. Haiduc⁹¹, H. Hamagaki¹⁰⁷, G. Hamar⁴⁶, L. D. Hanratty¹⁶, A. Hansen⁵⁰, J. W. Harris¹³, H. Hartmann²¹, A. Harton¹⁰³, D. Hatzifotiadou¹⁸, S. Hayashi¹⁰⁷, S. T. Heckel³³, M. Heide²⁹, H. Helstrup²⁰, A. 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Klein-Bösing²⁹, A. Kluge³⁶, M. L. Knichel²⁷, A. G. Knospe¹¹⁷, C. Kobdaj^36,118, M. K. Köhler²⁷, T. Kollegger²¹, A. Kolojvari²⁴, V. Kondratiev²⁴, N. Kondratyeva⁶³, A. Konevskikh⁹⁹, V. Kovalenko²⁴, M. Kowalski⁴⁷, S. Kox³⁴, G. Koyithatta Meethaleveedu⁸, J. Kral⁷⁹, I. Králik¹¹¹, F. Kramer³³, A. Kravčáková⁶⁵, M. Krelina², M. Kretz²¹, M. Krivda^16,111, F. Krizek³, M. Krus², E. Kryshen^36,56, M. Krzewicki²⁷, V. Kučera³, Y. Kucheriaev^15,‡, T. Kugathasan³⁶, C. Kuhn⁵¹, P. G. Kuijer⁶⁸, I. Kulakov³³, J. Kumar⁸, P. Kurashvili⁹⁴, A. Kurepin⁹⁹, A. B. Kurepin⁹⁹, A. Kuryakin⁷², S. Kushpil³, M. J. Kweon²⁸, Y. Kwon¹¹², P. Ladron de Guevara⁹⁰, C. Lagana Fernandes²⁵, I. Lakomov⁸⁶, R. Langoy¹¹⁹, C. Lara⁶⁹, A. Lardeux³², A. Lattuca⁵⁴, S. L. La Pointe⁵⁷, P. La Rocca⁴⁵, R. Lea⁷⁶, G. R. Lee¹⁶, I. Legrand³⁶, J. Lehnert³³, R. C. Lemmon¹²⁰, V. Lenti⁹⁶, E. Leogrande⁵⁷, M. Leoncino⁵⁴, I. León Monzón¹²¹, P. Lévai⁴⁶, S. Li^74,40, J. Lien¹¹⁹, R. Lietava¹⁶, S. Lindal⁴⁹, V. Lindenstruth²¹, C. Lippmann²⁷, M. A. 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Vinogradov²⁴, Y. Vinogradov⁷², T. Virgili⁹⁵, Y. P. Viyogi⁹, A. Vodopyanov⁴⁸, M. A. Völkl²⁸, K. Voloshin¹⁴, S. A. Voloshin⁶⁶, G. Volpe³⁶, B. von Haller³⁶, I. Vorobyev²⁴, D. Vranic^27,36, J. Vrláková⁶⁵, B. Vulpescu⁴⁰, A. Vyushin⁷², B. Wagner²³, J. Wagner²⁷, V. Wagner², M. Wang^74,32, Y. Wang²⁸, D. Watanabe⁵⁹, M. Weber⁵², J. P. Wessels²⁹, U. Westerhoff²⁹, J. Wiechula¹⁰⁸, J. Wikne⁴⁹, M. Wilde²⁹, G. Wilk⁹⁴, J. Wilkinson²⁸, M. C. S. Williams¹⁸, B. Windelband²⁸, M. Winn²⁸, C. Xiang⁷⁴, C. G. Yaldo⁶⁶, Y. Yamaguchi¹⁰⁷, H. Yang⁵⁷, P. Yang⁷⁴, S. Yang²³, S. Yano¹³⁵, S. Yasnopolskiy¹⁵, J. Yi⁸⁴, Z. Yin⁷⁴, I.-K. Yoo⁸⁴, I. Yushmanov¹⁵, V. Zaccolo⁵⁰, C. Zach², A. Zaman¹¹, C. Zampolli¹⁸, S. Zaporozhets⁴⁸, A. Zarochentsev²⁴, P. Závada¹⁰⁹, N. Zaviyalov⁷², H. Zbroszczyk¹⁰⁵, I. S. Zgura⁹¹, M. Zhalov⁵⁶, H. Zhang⁷⁴, X. Zhang^62,74, Y. Zhang⁷⁴, C. Zhao⁴⁹, N. Zhigareva¹⁴, D. Zhou⁷⁴, F. Zhou⁷⁴, Y. Zhou⁵⁷, H. Zhu⁷⁴, J. Zhu⁷⁴, X. Zhu⁷⁴, A. Zichichi^17,7, A. Zimmermann²⁸, M. B. Zimmermann^36,29, G. Zinovjev¹⁹, Y. Zoccarato⁸², M. Zynovyev¹⁹, and M. Zyzak³³ (ALICE Collaboration)

¹Lawrence Livermore National Laboratory, Livermore, California, USA
²Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech Republic
³Nuclear Physics Institute, Academy of Sciences of the Czech Republic, Řežu Prahy, Czech Republic
⁴Physics Department, Panjab University, Chandigarh, India
⁵Sezione INFN, Turin, Italy
⁶Politecnico di Torino, Turin, Italy
⁷Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Bologna, Italy
⁸Indian Institute of Technology Bombay (IIT), Mumbai, India
⁹Variable Energy Cyclotron Centre, Kolkata, India
¹⁰Department of Physics, Aligarh Muslim University, Aligarh, India
¹¹COMSATS Institute of Information Technology (CIIT), Islamabad, Pakistan
¹²Korea Institute of Science and Technology Information, Daejeon, South Korea
¹³Yale University, New Haven, Connecticut, USA
¹⁴Institute for Theoretical and Experimental Physics, Moscow, Russia
¹⁵Russian Research Centre Kurchatov Institute, Moscow, Russia
¹⁶School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
¹⁷Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi”, Rome, Italy
¹⁸Sezione INFN, Bologna, Italy
¹⁹Bogolyubov Institute for Theoretical Physics, Kiev, Ukraine
²⁰Faculty of Engineering, Bergen University College, Bergen, Norway
²¹Frankfurt Institute for Advanced Studies, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany
²²Dipartimento Interateneo di Fisica ‘M. Merlin’ and Sezione INFN, Bari, Italy
²³Department of Physics and Technology, University of Bergen, Bergen, Norway
²⁴V. Fock Institute for Physics, St. Petersburg State University, St. Petersburg, Russia
²⁵Universidade de São Paulo (USP), São Paulo, Brazil
²⁶National Institute for Physics and Nuclear Engineering, Bucharest, Romania
²⁷Research Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
²⁸Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
²⁹Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster, Germany
³⁰Rudjer Bošković Institute, Zagreb, Croatia
³¹Sezione INFN, Padova, Italy
³²SUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS-IN2P3, Nantes, France
³³Institut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany
³⁴Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS-IN2P3, Grenoble, France
³⁵Departamento de Física de Partículas and IGFAE, Universidad de Santiago de Compostela, Santiago de Compostela, Spain
³⁶European Organization for Nuclear Research (CERN), Geneva, Switzerland
³⁷Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
³⁸Physics Department, University of Cape Town, Cape Town, South Africa
³⁹Sezione INFN, Catania, Italy
⁴⁰Laboratoire de Physique Corpusculaire (LPC), Clermont Université, Université Blaise Pascal, CNRS-IN2P3, Clermont-Ferrand, France
⁴¹Gangneung-Wonju National University, Gangneung, South Korea
⁴²Physics Department, University of Jammu, Jammu, India
⁴³Commissariat à l'Energie Atomique, IRFU, Saclay, France
⁴⁴Institute of Physics, Bhubaneswar, India
⁴⁵Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Catania, Italy
⁴⁶Wigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest, Hungary
⁴⁷The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Cracow, Poland
⁴⁸Joint Institute for Nuclear Research (JINR), Dubna, Russia
⁴⁹Department of Physics, University of Oslo, Oslo, Norway
⁵⁰Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
⁵¹Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg, CNRS-IN2P3, Strasbourg, France
⁵²University of Houston, Houston, Texas, USA
⁵³Instituto de Física, Universidad Nacional Autónoma de México, Mexico City, Mexico
⁵⁴Dipartimento di Fisica dell'Università and Sezione INFN, Turin, Italy
⁵⁵St. Petersburg State Polytechnical University, St. Petersburg, Russia
⁵⁶Petersburg Nuclear Physics Institute, Gatchina, Russia
⁵⁷Institute for Subatomic Physics of Utrecht University, Utrecht, Netherlands
⁵⁸Department of Physics, Gauhati University, Guwahati, India
⁵⁹University of Tsukuba, Tsukuba, Japan
⁶⁰Laboratori Nazionali di Frascati, INFN, Frascati, Italy
⁶¹Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
⁶²Lawrence Berkeley National Laboratory, Berkeley, California, USA
⁶³Moscow Engineering Physics Institute, Moscow, Russia
⁶⁴SSC IHEP of NRC Kurchatov Institute, Protvino, Russia
⁶⁵Faculty of Science, P.J. Šafárik University, Košice, Slovakia
⁶⁶Wayne State University, Detroit, Michigan, USA
⁶⁷iThemba LABS, National Research Foundation, Somerset West, South Africa
⁶⁸Nikhef, National Institute for Subatomic Physics, Amsterdam, Netherlands
⁶⁹Institut für Informatik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany
⁷⁰Purdue University, West Lafayette, Indiana, USA
⁷¹Faculty of Mathematics, Physics and Informatics, Comenius University, Bratislava, Slovakia
⁷²Russian Federal Nuclear Center (VNIIEF), Sarov, Russia
⁷³Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Padova, Italy
⁷⁴Central China Normal University, Wuhan, China
⁷⁵Sección Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Lima, Peru
⁷⁶Dipartimento di Fisica dell'Università and Sezione INFN, Trieste, Italy
⁷⁷Dipartimento di Fisica dell'Università and Sezione INFN, Cagliari, Italy
⁷⁸Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN), Havana, Cuba
⁷⁹University of Jyväskylä, Jyväskylä, Finland
⁸⁰Saha Institute of Nuclear Physics, Kolkata, India
⁸¹Physics Department, Creighton University, Omaha, Nebraska, USA
⁸²Université de Lyon, Université Lyon 1, CNRS/IN2P3, IPN-Lyon, Villeurbanne, France
⁸³Division of Experimental High Energy Physics, University of Lund, Lund, Sweden
⁸⁴Pusan National University, Pusan, South Korea
⁸⁵Sezione INFN, Cagliari, Italy
⁸⁶Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris-Sud, CNRS-IN2P3, Orsay, France
⁸⁷Centro de Investigación y de Estudios Avanzados (CINVESTAV), Mexico City and Mérida, Mexico
⁸⁸Dipartimento di Scienze e Innovazione Tecnologica dell'Università del Piemonte Orientale and Gruppo Collegato INFN, Alessandria, Italy
⁸⁹Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
⁹⁰Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Mexico City, Mexico
⁹¹Institute of Space Science (ISS), Bucharest, Romania
⁹²Bose Institute, Department of Physics and Centre for Astroparticle Physics and Space Science (CAPSS), Kolkata, India
⁹³Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
⁹⁴National Centre for Nuclear Studies, Warsaw, Poland
⁹⁵Dipartimento di Fisica “E.R. Caianiello” dell'Università and Gruppo Collegato INFN, Salerno, Italy
⁹⁶Sezione INFN, Bari, Italy
⁹⁷Sezione INFN, Rome, Italy
⁹⁸University of Liverpool, Liverpool, United Kingdom
⁹⁹Institute for Nuclear Research, Academy of Sciences, Moscow, Russia
¹⁰⁰Physics Department, University of Athens, Athens, Greece
¹⁰¹Sezione INFN, Trieste, Italy
¹⁰²Department of Physics, Ohio State University, Columbus, Ohio, USA
¹⁰³Chicago State University, Chicago, USA
¹⁰⁴Technical University of Split FESB, Split, Croatia
¹⁰⁵Warsaw University of Technology, Warsaw, Poland
¹⁰⁶A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation, Yerevan, Armenia
¹⁰⁷University of Tokyo, Tokyo, Japan
¹⁰⁸Eberhard Karls Universität Tübingen, Tübingen, Germany
¹⁰⁹Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
¹¹⁰Department of Physics, Sejong University, Seoul, South Korea
¹¹¹Institute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovakia
¹¹²Yonsei University, Seoul, South Korea
¹¹³KTO Karatay University, Konya, Turkey
¹¹⁴Zentrum für Technologietransfer und Telekommunikation (ZTT), Fachhochschule Worms, Worms, Germany
¹¹⁵Department of Applied Physics, Aligarh Muslim University, Aligarh, India
¹¹⁶California Polytechnic State University, San Luis Obispo, California, USA
¹¹⁷The University of Texas at Austin, Physics Department, Austin, Texas, USA
¹¹⁸Suranaree University of Technology, Nakhon Ratchasima, Thailand
¹¹⁹Vestfold University College, Tonsberg, Norway
¹²⁰Nuclear Physics Group, STFC Daresbury Laboratory, Daresbury, United Kingdom
¹²¹Universidad Autónoma de Sinaloa, Culiacán, Mexico
¹²²M.V. Lomonosov Moscow State University, D.V. Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
¹²³University of Tennessee, Knoxville, Tennessee, USA
¹²⁴Dipartimento di Fisica dell'Università ‘La Sapienza' and Sezione INFN Rome, Italy
¹²⁵University of Belgrade, Faculty of Physics and “Vinča” Institute of Nuclear Sciences, Belgrade, Serbia
¹²⁶Indian Institute of Technology Indore, Indore (IITI), India
¹²⁷National Institute of Science Education and Research, Bhubaneswar, India
¹²⁸Permanent Address: Konkuk University, Seoul, Korea
¹²⁹Budker Institute for Nuclear Physics, Novosibirsk, Russia
¹³⁰University of Zagreb, Zagreb, Croatia
¹³¹Helsinki Institute of Physics (HIP), Helsinki, Finland
¹³²Physics Department, University of Rajasthan, Jaipur, India
¹³³Institute of Theoretical Physics, University of Wroclaw, Wroclaw, Poland
¹³⁴Laboratori Nazionali di Legnaro, INFN, Legnaro, Italy
¹³⁵Hiroshima University, Hiroshima, Japan
¹³⁶University of Kansas, Lawrence, Kansas, USA
¹³⁷Centre de Calcul de l'IN2P3, Villeurbanne, France

^†alice-publications@cern.ch
^‡Deceased.

PDF

Phys. Rev. C 91, 024609 – Published 17 February, 2015

DOI: https://doi.org/10.1103/PhysRevC.91.024609

Abstract

The yields of the $K^{*} {(892)}^{0}$ and $ϕ (1020)$ resonances are measured in Pb-Pb collisions at $\sqrt{s_{N N}} = 2.76$ TeV through their hadronic decays using the ALICE detector. The measurements are performed in multiple centrality intervals at mid-rapidity $(| y | < 0.5)$ in the transverse-momentum ranges $0.3 < p_{T} < 5 GeV / c$ for the $K^{*} {(892)}^{0}$ and $0.5 < p_{T} < 5 GeV / c$ for the $ϕ (1020)$ . The yields of $K^{*} {(892)}^{0}$ are suppressed in central Pb-Pb collisions with respect to $p p$ and peripheral Pb-Pb collisions (perhaps due to rescattering of its decay products in the hadronic medium), while the longer-lived $ϕ (1020)$ meson is not suppressed. These particles are also used as probes to study the mechanisms of particle production. The shape of the $p_{T}$ distribution of the $ϕ (1020)$ meson, but not its yield, is reproduced fairly well by hydrodynamic models for central Pb-Pb collisions. In central Pb-Pb collisions at low and intermediate $p_{T}$ , the $p / ϕ (1020)$ ratio is flat in $p_{T}$ , while the $p / π$ and $ϕ (1020) / π$ ratios show a pronounced increase and have similar shapes to each other. These results indicate that the shapes of the $p_{T}$ distributions of these particles in central Pb-Pb collisions are determined predominantly by the particle masses and radial flow. Finally, $ϕ (1020)$ production in Pb-Pb collisions is enhanced, with respect to the yield in $p p$ collisions and the yield of charged pions, by an amount similar to the $Λ$ and $Ξ$ .

Article Text

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Phys. Rev. C 91, 024609– Published 17 February, 2015

Vol. 91, Iss. 2 — February 2015

Received 15 April 2014
Revised 8 December 2014

DOI: https://doi.org/10.1103/PhysRevC.91.024609

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$K^{*} {(892)}^{0}$ and $ϕ (1020)$ production in Pb-Pb collisions at $\sqrt{s_{N N}} = 2.76$ TeV

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K*(892)0 and ϕ(1020) production in Pb-Pb collisions at sNN=2.76 TeV

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$K^{*} {(892)}^{0}$ and $ϕ (1020)$ production in Pb-Pb collisions at $\sqrt{s_{N N}} = 2.76$ TeV