@article{3073324,
    title = "Long-range angular correlations on the near and away side in p-Pb collisions at √sNN=5.02 TeV",
    author = "Abelev, B. and Adam, J. and Adamova, D. and Adare, A.M. and Aggarwal, M. and Aglieri Rinella, G. and Agnello, M. and Agocs, A.G. and Agostinelli, A. and Ahammed, Z. and Ahmad, N. and Ahmad, A. and Ahn, S.-A. and Ahn, S.U. and Ajaz, M. and Akindinov, A. and Aleksandrov, D. and Alessandro, B. and Alici, A. and Alkin, A. and Almaraz Avina, E.J. and Alme, J. and Alt, T. and Altini, V. and Altinpinar, S. and Altsybeev, I. and Andrei, C. and Andronic, A. and Anguelov, V. and Anielski, J. and Anson, C.D. and Anticic, T. and Antinori, F. and Antonioli, P. and Aphecetche, L.B. and Appelshauser, H. and Arbor, N. and Arcelli, S. and Arend, A. and Armesto, N. and Arnaldi, R. and Aronsson, T.R. and Arsene, I.C. and Arslandok, M. and Asryan, A. and Augustinus, A. and Averbeck, R.P. and Awes, T. and Aysto, J.H. and Azmi, M.D. and Bach, M.J. and Badala, A. and Baek, Y.W. and Bailhache, R.M. and Bala, R. and Baldini Ferroli, R. and Baldisseri, A. and Dos Santos Pedrosa, F.B. and Ban, J. and Baral, R.C. and Barbera, R. and Barile, F. and Barnafoldi, G.G. and Barnby, L.S. and Barret, V. and Bartke, J.G. and Basile, M. and Bastid, N. and Basu, S. and Bathen, B. and Batigne, G. and Batyunya, B. and Baumann, C.H. and Bearden, I.G. and Beck, H. and Behera, N.K. and Belikov, I. and Bellini, F. and Bellwied, R. and Belmont-Moreno, E. and Bencedi, G. and Beole, S. and Berceanu, I. and Bercuci, A. and Berdnikov, Y. and Berenyi, D. and Bergognon, A.A.E. and Berzano, D. and Betev, L. and Bhasin, A. and Bhati, A.K. and Bhom, J. and Bianchi, L. and Bianchi, N. and Bielcik, J. and Bielcikova, J. and Bilandzic, A. and Bjelogrlic, S. and Blanco, F. and Blanco, F. and Blau, D. and Blume, C. and Boccioli, M. and Boettger, S. and Bogdanov, A. and Boggild, H. and Bogolyubsky, M. 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 Braidot, E. and Braun-Munzinger, P. and Bregant, M. and Breitner, T.G. and Broker, T.A. and Browning, T.A. and Broz, M. and Brun, R. and Bruna, E. and Bruno, G.E. and Budnikov, D. and Buesching, H. and Bufalino, S. and Buncic, P. and Busch, O. and Zinhle Buthelezi, E. and Caballero Orduna, D. and Caffarri, D. and Cai, X. and Caines, H.L. and Calvo Villar, E. and Camerini, P. and Canoa Roman, V. and Romeo, G.C. and Carena, W. and Carena, F. and Filho, N.C. and Carminati, F. and Casanova Diaz, A.O. and Castillo Castellanos, J.E. and Castillo Hernandez, J.F. and Casula, E.A.R. and Catanescu, V. and Cavicchioli, C. and Ceballos Sanchez, C. and Cepila, J. and Cerello, P. and Chang, B. and Chapeland, S. and Charvet, J.L.F. and Chattopadhyay, S. and Chattopadhyay, S. and Chawla, I. and Cherney, M.G. and Cheshkov, C. and Cheynis, B. and Chibante Barroso, V.M. and Chinellato, 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 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    journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
    year = "2013",
    volume = "719",
    number = "1-3",
    pages = "29-41",
    doi = "10.1016/j.physletb.2013.01.012",
    abstract = "Angular correlations between charged trigger and associated particles are measured by the ALICE detector in p-Pb collisions at a nucleon-nucleon centre-of-mass energy of 5.02 TeV for transverse momentum ranges within 0.5<pT,assoc<pT,trig<4 GeV/c. The correlations are measured over two units of pseudorapidity and full azimuthal angle in different intervals of event multiplicity, and expressed as associated yield per trigger particle. Two long-range ridge-like structures, one on the near side and one on the away side, are observed when the per-trigger yield obtained in low-multiplicity events is subtracted from the one in high-multiplicity events. The excess on the near-side is qualitatively similar to that recently reported by the CMS Collaboration, while the excess on the away-side is reported for the first time. The two-ridge structure projected onto azimuthal angle is quantified with the second and third Fourier coefficients as well as by near-side and away-side yields and widths. The yields on the near side and on the away side are equal within the uncertainties for all studied event multiplicity and pT bins, and the widths show no significant evolution with event multiplicity or pT. These findings suggest that the near-side ridge is accompanied by an essentially identical away-side ridge. © 2013 CERN."
}