@article{3160821, title = "J/psi production and nuclear effects in p-Pb collisions at=5.02 TeV", author = "Abelev, B. and Adam, J. and Adamova, D. and Adare, A. M. and Aggarwal, and M. M. and Aglieri Rinella, G. and Agnello, M. and Agocs, A. G. and and Agostinelli, A. and Ahammed, Z. and Ahmad, N. and Ahmad Masoodi, A. and and Ahmed, I. and Ahn, S. U. and Ahn, S. A. and Aimo, I. and Aiola, S. and and Ajaz, M. and Akindinov, A. and Aleksandrov, D. and Alessandro, B. and and Alexandre, D. and Alici, A. and Alkin, A. and Alme, J. and Alt, T. and and Altini, V. and Altinpinar, S. and Altsybeev, I. and Alves Garcia Prado, and C. and Andrei, C. and Andronic, A. and Anguelov, V. and Anielski, J. and and Anticic, T. and Antinori, F. and Antonioli, P. and Aphecetche, L. and and Appelshauser, H. and Arbor, N. and Arcelli, S. and Armesto, N. and and Arnaldi, R. and Aronsson, T. and Arsene, I. C. and Arslandok, M. and and Augustinus, A. and Averbeck, R. and Awes, T. C. and Azmi, M. D. and and Bach, M. and Badala, A. and Baek, Y. W. and Bailhache, R. and Bairathi, and V. and Bala, R. and Baldisseri, A. and Baltasar Dos Santos Pedrosa, F. and and Ban, J. and Baral, R. C. and Barbera, R. and Barile, F. and and Barnafoldi, G. G. and Barnby, L. S. and Barret, V. and Bartke, J. and and Basile, M. and Bastid, N. and Basu, S. and Bathen, B. and Batigne, G. and and Batyunya, B. and Batzing, P. C. and Baumann, C. and Bearden, I. G. and and Beck, H. and Behera, N. K. and Belikov, I. and Bellini, F. and and Bellwied, R. and Belmont-Moreno, E. and Bencedi, G. and Beole, S. and and Berceanu, I. and Bercuci, A. and Berdnikov, Y. and Berenyi, D. and and Bergognon, A. A. E. and Bertens, R. A. and Berzano, D. and Betev, L. and and Bhasin, A. and Bhati, A. K. and Bhom, J. and Bianchi, N. and Bianchi, L. and and Bielcik, J. and Bielcikova, J. and Bilandzic, A. and Bjelogrlic, S. and and Blanco, F. and Blau, D. and Blume, C. and Bock, F. and Bogdanov, A. and and Boggild, H. and Bogolyubsky, M. and Boldizsar, L. and Bombara, M. and and Book, J. and Borel, H. and Borissov, A. and Bornschein, J. and and Bossu, F. and Botje, M. and Botta, E. and Bottger, S. and and Braun-Munzinger, P. and Bregant, M. and Breitner, T. and Broker, T. A. and and Browning, T. A. and Broz, M. and Brun, R. and Bruna, E. and Bruno, and G. E. and Budnikov, D. and Buesching, H. and Bufalino, S. and Buncic, P. and and Busch, O. and Buthelezi, Z. and Caffarri, D. and Cai, X. and Caines, and H. and Caliva, A. and Calvo Villar, E. and Camerini, P. and Canoa Roman, and V. and Carena, F. and Carena, W. and Carminati, F. and Casanova Diaz, A. and and Castillo Castellanos, J. and Casula, E. A. 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B. and and Zimmermann, A. and Zinovjev, G. and Zoccarato, Y. and Zynovyev, M. and and Zyzak, M. and ALICE Collaboration", journal = "Journal of High Energy Physics", year = "2014", number = "2", publisher = "Springer-Verlag", issn = "1126-6708, 1029-8479", doi = "10.1007/JHEP02(2014)073", keywords = "Relativistic heavy ion physics; Heavy Ions; Charm physics", abstract = "Inclusive J/psi production has been studied with the ALICE detector in p-Pb collisions at the nucleon-nucleon center of mass energy = 5.02 TeV at the CERN LHC. The measurement is performed in the center of mass rapidity domains 2.03 < y (cms) < 3.53 and -4.46 < y (cms) < -2.96, down to zero transverse momentum, studying the mu (+) mu (-) decay mode. In this paper, the J/psi production cross section and the nuclear modification factor R (pPb) for the rapidities under study are presented. While at forward rapidity, corresponding to the proton direction, a suppression of the J/psi yield with respect to binary-scaled pp collisions is observed, in the backward region no suppression is present. The ratio of the forward and backward yields is also measured differentially in rapidity and transverse momentum. Theoretical predictions based on nuclear shadowing, as well as on models including, in addition, a contribution from partonic energy loss, are in fair agreement with the experimental results." }