@article{3073210,
    title = "Centrality dependence of the pseudorapidity density distribution for charged particles in Pb-Pb collisions at √sNN=2.76TeV",
    author = "Abbas, E. and Abelev, B. and Adam, J. and Adamová, D. and Adare, A.M. and Aggarwal, M.M. and Aglieri Rinella, G. and Agnello, M. and Agocs, A.G. and Agostinelli, A. and Ahammed, Z. and Ahmad Masoodi, A. and Ahmad, N. and Ahn, S.U. and Ahn, S.A. and Aimo, I. and Ajaz, M. and Akindinov, A. and Aleksandrov, D. and Alessandro, B. and Alici, A. and Alkin, A. and Almaráz Aviña, E. 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. and Antičić, T. and Antinori, F. and Antonioli, P. and Aphecetche, L. and Appelshäuser, H. and Arbor, N. and Arcelli, S. and Arend, A. and Armesto, N. and Arnaldi, R. and Aronsson, T. and Arsene, I.C. and Arslandok, M. and Asryan, A. and Augustinus, A. and Averbeck, R. and Awes, T.C. and Äystö, J. and Azmi, M.D. and Bach, M. and Badalà, A. and Baek, Y.W. and Bailhache, R. and Bala, R. and Baldisseri, A. and Baltasar Dos Santos Pedrosa, F. and Bán, J. and Baral, R.C. and Barbera, R. and Barile, F. and Barnaföldi, G.G. and Barnby, L.S. and Barret, V. and Bartke, J. and Basile, M. and Bastid, N. and Basu, S. and Bathen, B. and Batigne, G. and Batyunya, B. and Batzing, P.C. and Baumann, C. 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 Bertens, R.A. and Berzano, D. and Betev, L. and Bhasin, A. and Bhati, A.K. and Bhom, J. and Bianchi, N. and Bianchi, L. and Bianchin, C. and Bielčík, J. and Bielčíková, J. and Bilandzic, A. and Bjelogrlic, S. and Blanco, F. and Blanco, F. and Blau, D. and Blume, C. and Boccioli, M. and Böttger, S. and Bogdanov, A. and Bøggild, H. and Bogolyubsky, M. and Boldizsár, L. and Bombara, M. and Book, J. and Borel, H. and Borissov, A. and Bossú, F. and Botje, M. and Botta, E. and Braidot, E. and Braun-Munzinger, P. and Bregant, M. and Breitner, T. 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 Buthelezi, Z. and Caffarri, D. and Cai, X. and Caines, H. and Calvo Villar, E. and Camerini, P. and Canoa Roman, V. and Cara Romeo, G. and Carena, F. and Carena, W. and Carlin Filho, N. and Carminati, F. and Casanova Díaz, A. and Castillo Castellanos, J. 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. and Chattopadhyay, S. and Chattopadhyay, S. and Cherney, M. and Cheshkov, C. and Cheynis, B. and Chibante Barroso, V. and Chinellato, D.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 Cleymans, J. and Colamaria, F. and Colella, D. and Collu, A. and Conesa Balbastre, G. and Conesa del Valle, Z. and Connors, M.E. and Contin, G. and Contreras, J.G. and Cormier, T.M. and Corrales Morales, Y. and Cortese, P. and Cortés Maldonado, I. and Cosentino, M.R. and Costa, F. and Cotallo, M.E. and Crescio, E. and Crochet, P. and Cruz Alaniz, E. and Cruz Albino, R. and Cuautle, E. and Cunqueiro, L. and Dainese, A. and Dalsgaard, H.H. and Dang, R. and Danu, A. and Das, K. and Das, I. and Das, S. and Das, D. and Dash, A. and Dash, S. and De, S. and de Barros, G.O.V. and De Caro, A. and de Cataldo, G. and de Cuveland, J. and De Falco, A. and De Gruttola, D. and Delagrange, H. and Deloff, A. and De Marco, N. and Dénes, E. and De Pasquale, S. and Deppman, A. and D Erasmo, G. and de Rooij, R. and Diaz Corchero, M.A. and Di Bari, D. and Dietel, T. and Di Giglio, C. and Di Liberto, S. and Di Mauro, A. and Di Nezza, P. and Divià, R. and Djuvsland, Ø. and Dobrin, A. and Dobrowolski, T. and 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    journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
    year = "2013",
    volume = "726",
    number = "4-5",
    pages = "610-622",
    doi = "10.1016/j.physletb.2013.09.022",
    abstract = "We present the first wide-range measurement of the charged-particle pseudorapidity density distribution, for different centralities (the 0-5%, 5-10%, 10-20%, and 20-30% most central events) in Pb-Pb collisions at sNN=2.76TeV at the LHC. The measurement is performed using the full coverage of the ALICE detectors, -5.0<η<5.5, and employing a special analysis technique based on collisions arising from LHC 'satellite' bunches. We present the pseudorapidity density as a function of the number of participating nucleons as well as an extrapolation to the total number of produced charged particles (Nch=17165±772 for the 0-5% most central collisions). From the measured dNch/dη distribution we derive the rapidity density distribution, dNch/dy, under simple assumptions. The rapidity density distribution is found to be significantly wider than the predictions of the Landau model. We assess the validity of longitudinal scaling by comparing to lower energy results from RHIC. Finally the mechanisms of the underlying particle production are discussed based on a comparison with various theoretical models. © 2013 CERN."
}