Suppression of ϒ(1S) at forward rapidity in Pb-Pb collisions at sNN=2.76 TeV

Abelev, B.
Adam, J.
Adamová, D.
Aggarwal, M.M.
Agnello, M.
Agostinelli, A.
Agrawal, N.
Ahammed, Z.
Ahmad, N.
Ahmed, I.
Ahn, S.U.
Ahn, S.A.
Aimo, I.
Aiola, S.
Ajaz, M.
Akindinov, A.
Alam, S.N.
Aleksandrov, D.
Alessandro, B.
Alexandre, D.
Alici, A.
Alkin, A.
Alme, J.
Alt, T.
Altinpinar, S.
Altsybeev, I.
Alves Garcia Prado, C.
Andrei, C.
Andronic, A.
Anguelov, V.
Anielski, J.
Antičić, T.
Antinori, F.
Antonioli, P.
Aphecetche, L.
Appelshäuser, H.
Arcelli, S.
Armesto, N.
Arnaldi, R.
Aronsson, T.
Arsene, I.C.
Arslandok, M.
Augustinus, A.
Averbeck, R.
Awes, T.C.
Azmi, M.D.
Bach, M.
Badalà, A.
Baek, Y.W.
Bagnasco, S.
Bailhache, R.
Bala, R.
Baldisseri, A.
Baltasar Dos Santos Pedrosa, F.
Baral, R.C.
Barbera, R.
Barile, F.
Barnaföldi, G.G.
Barnby, L.S.
Barret, V.
Bartke, J.
Basile, M.
Bastid, N.
Basu, S.
Bathen, B.
Batigne, G.
Batyunya, B.
Batzing, P.C.
Baumann, C.
Bearden, I.G.
Beck, H.
Bedda, C.
Behera, N.K.
Belikov, I.
Bellwied, R.
Belmont-Moreno, E.
Belmont, R., III
Belyaev, V.
Bencedi, G.
Beole, S.
Berceanu, I.
Bercuci, A.
Berdnikov, Y.
Berenyi, D.
Berger, M.E.
Bertens, R.A.
Berzano, D.
Betev, L.
Bhasin, A.
Bhati, A.K.
Bhattacharjee, B.
Bhom, J.
Bianchi, L.
Bianchi, N.
Bianchin, C.
Bielčík, J.
Bielčíková, J.
Bilandzic, A.
Bjelogrlic, S.
Blanco, F.
Blau, D.
Blume, C.
Bock, F.
Bogdanov, A.
Bøggild, H.
Bogolyubsky, M.
Böhmer, F.V.
Boldizsár, L.
Bombara, M.
Book, J.
Borel, H.
Borissov, A.
Bossú, F.
Botje, M.
Botta, E.
Böttger, S.
Braun-Munzinger, P.
Bregant, M.
Breitner, T.
Broker, T.A.
Browning, T.A.
Broz, M.
Bruna, E.
Bruno, G.E.
Budnikov, D.
Buesching, H.
Bufalino, S.
Buncic, P.
Busch, O.
Buthelezi, Z.
Caffarri, D.
Cai, X.
Caines, H.
Calero Diaz, L.
Caliva, A.
Calvo Villar, E.
Camerini, P.
Carena, F.
Carena, W.
Castillo Castellanos, J.
Casula, E.A.R.
Catanescu, V.
Cavicchioli, C.
Ceballos Sanchez, C.
Cepila, J.
Cerello, P.
Chang, B.
Chapeland, S.
Charvet, J.L.
Chattopadhyay, S.
Chattopadhyay, S.
Cherney, M.
Cheshkov, C.
Cheynis, B.
Chibante Barroso, V.
Chinellato, D.D.
Chochula, P.
Chojnacki, M.
Choudhury, S.
Christakoglou, P.
Christensen, C.H.
Christiansen, P.
Chujo, T.
Chung, S.U.
Cicalo, C.
Cifarelli, L.
Cindolo, F.
Cleymans, J.
Colamaria, F.
Colella, D.
Collu, A.
Colocci, M.
Conesa Balbastre, G.
Conesa del Valle, Z.
Connors, M.E.
Contreras, J.G.
Cormier, T.M.
Corrales Morales, Y.
Cortese, P.
Cortés Maldonado, I.
Cosentino, M.R.
Costa, F.
Crochet, P.
Cruz Albino, R.
Cuautle, E.
Cunqueiro, L.
Dainese, A.
Dang, R.
Das, D.
Das, I.
Das, K.
Das, S.
Dash, A.
Dash, S.
De, S.
Delagrange, H.
Deloff, A.
Dénes, E.
D&apos

Suppression of ϒ(1S) at forward rapidity in Pb-Pb collisions at sNN=2.76 TeV

Authors: B. Abelev Adam, J. Adamová, D. Aggarwal, M.M. Agnello, M. Agostinelli, A. Agrawal, N. Ahammed, Z. Ahmad, N. Ahmed, I. Ahn, S.U. Ahn, S.A. Aimo, I. Aiola, S. Ajaz, M. Akindinov, A. Alam, S.N. Aleksandrov, D. Alessandro, B. Alexandre, D. Alici, A. Alkin, A. Alme, J. Alt, T. Altinpinar, S. Altsybeev, I. Alves Garcia Prado, C. Andrei, C. Andronic, A. Anguelov, V. Anielski, J. Antičić, T. Antinori, F. Antonioli, P. Aphecetche, L. Appelshäuser, H. Arcelli, S. Armesto, N. Arnaldi, R. Aronsson, T. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, R. Awes, T.C. Azmi, M.D. Bach, M. Badalà, A. Baek, Y.W. Bagnasco, S. Bailhache, R. Bala, R. Baldisseri, A. Baltasar Dos Santos Pedrosa, F. Baral, R.C. Barbera, R. Barile, F. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartke, J. Basile, M. Bastid, N. Basu, S. Bathen, B. Batigne, G. Batyunya, B. Batzing, P.C. Baumann, C. Bearden, I.G. Beck, H. Bedda, C. Behera, N.K. Belikov, I. Bellwied, R. Belmont-Moreno, E. Belmont, R., III Belyaev, V. Bencedi, G. Beole, S. Berceanu, I. Bercuci, A. Berdnikov, Y. Berenyi, D. Berger, M.E. Bertens, R.A. Berzano, D. Betev, L. Bhasin, A. Bhati, A.K. Bhattacharjee, B. Bhom, J. Bianchi, L. Bianchi, N. Bianchin, C. Bielčík, J. Bielčíková, J. Bilandzic, A. Bjelogrlic, S. Blanco, F. Blau, D. Blume, C. Bock, F. Bogdanov, A. Bøggild, H. Bogolyubsky, M. Böhmer, F.V. Boldizsár, L. Bombara, M. Book, J. Borel, H. Borissov, A. Bossú, F. Botje, M. Botta, E. Böttger, S. Braun-Munzinger, P. Bregant, M. Breitner, T. Broker, T.A. Browning, T.A. Broz, M. Bruna, E. Bruno, G.E. Budnikov, D. Buesching, H. Bufalino, S. Buncic, P. Busch, O. Buthelezi, Z. Caffarri, D. Cai, X. Caines, H. Calero Diaz, L. Caliva, A. Calvo Villar, E. Camerini, P. Carena, F. Carena, W. Castillo Castellanos, J. Casula, E.A.R. Catanescu, V. Cavicchioli, C. Ceballos Sanchez, C. Cepila, J. Cerello, P. Chang, B. Chapeland, S. Charvet, J.L. Chattopadhyay, S. Chattopadhyay, S. Cherney, M. Cheshkov, C. Cheynis, B. Chibante Barroso, V. Chinellato, D.D. Chochula, P. Chojnacki, M. Choudhury, S. Christakoglou, P. Christensen, C.H. Christiansen, P. Chujo, T. Chung, S.U. Cicalo, C. Cifarelli, L. Cindolo, F. Cleymans, J. Colamaria, F. Colella, D. Collu, A. Colocci, M. Conesa Balbastre, G. Conesa del Valle, Z. Connors, M.E. Contreras, J.G. Cormier, T.M. Corrales Morales, Y. Cortese, P. Cortés Maldonado, I. Cosentino, M.R. Costa, F. Crochet, P. Cruz Albino, R. Cuautle, E. Cunqueiro, L. Dainese, A. Dang, R. Das, D. Das, I. Das, K. Das, S. Dash, A. Dash, S. De, S. Delagrange, H. Deloff, A. Dénes, E. D&apos
Publication date: 1 January 2014
Publisher

Abstract

We report on the measurement of the inclusive ϒ{hooked}(1S) production in Pb-Pb collisions at sNN=2.76 TeV carried out at forward rapidity (2.5<y<4) and down to zero transverse momentum using its μ+μ- decay channel with the ALICE detector at the Large Hadron Collider. A strong suppression of the inclusive ϒ{hooked}(1S) yield is observed with respect to pp collisions scaled by the number of independent nucleon-nucleon collisions. The nuclear modification factor, for events in the 0-90% centrality range, amounts to 0.30±0.05(stat)±0.04(syst). The observed ϒ{hooked}(1S) suppression tends to increase with the centrality of the collision and seems more pronounced than in corresponding mid-rapidity measurements. Our results are compared with model calculations, which are found to underestimate the measured suppression and fail to reproduce its rapidity dependence. © 2014 The Authors

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