Charged-Particle Multiplicity Density at Midrapidity in Central Pb-Pb Collisions at root s(NN)=2.76 TeV
Por:
Aamodt, K, Abelev, B, Adamova, D, Adare, AM, Aggarwal, MM, Agocs, AG, Ahammed, Z, Ahmad, N, Ahn, SU, Ahn, SU, Akindinov, A, Aleksandrov, D, Alessandro, B, Alici, A, Alici, A, Alkin, A, Alt, T, Altini, V, Altini, V, Altinpinar, S, Altinpinar, S, Altsybeev, I, Andrei, C, Andronic, A, Andronic, A, Anguelov, V, Anson, C, Anticic, T, Antinori, F, Antinori, F, Antonioli, P, Aphecetche, L, Appelshauser, H, Arbor, N, Arcelli, S, Arcelli, S, Arend, A, Armesto, N, Armesto, N, Arnaldi, R, Aronsson, T, Arsene, IC, Arsene, IC, Asryan, A, Augustinus, A, Averbeck, R, Averbeck, R, Avina, EA, Awes, TC, Aysto, J, Aysto, J, Azmi, MD, Bach, M, Badala, A, Baek, YW, Bagnasco, S, Bailhache, R, Baillie, OV, Bala, R, Bala, R, Balbastre, GC, Baldisseri, A, Baldit, A, Ban, J, Barbera, R, Barbera, R, Barile, F, Barile, F, Barnafoldi, GG, Barnby, LS, Barret, V, Barroso, VC, Bartke, J, Basile, M, Basile, M, Bastid, N, Bathen, B, Batigne, G, Batyunya, B, Baumann, C, Bearden, IG, Beck, H, Belikov, I, Bellini, F, Bellini, F, Bellwied, R, Belmont-Moreno, E, Beole, S, Beole, S, Berceanu, I, Bercuci, A, Berdermann, E, Berdermann, E, Berdnikov, Y, Bergmann, C, Betev, L, Bhasin, A, Bhati, AK, Bianchi, L, Bianchi, L, Bianchi, N, Bianchin, C, Bianchin, C, Bielcik, J, Bielcikova, J, Bilandzic, A, Biolcati, E, Biolcati, E, Blanc, A, Blanco, F, Blanco, F, Blau, D, Blume, C, Boccioli, M, Bock, N, Bogdanov, A, Boggild, H, Bogolyubsky, M, Boldizsar, L, Bombara, M, Bombonati, C, Bombonati, C, Book, J, Borel, H, Borissov, A, Bortolin, C, Bortolin, C, Bortolin, C, Bose, S, Bossu, F, Bossu, F, Botje, M, Bottger, S, Boyer, B, Braun-Munzinger, P, Braun-Munzinger, P, Bravina, L, Bregant, M, Bregant, M, Breitner, T, Broz, M, Brun, R, Bruna, E, Bruno, GE, Bruno, GE, Budnikov, D, Buesching, H, Bugaiev, K, Busch, O, Buthelezi, Z, Caffarri, D, Caffarri, D, Cahuantzi, MR, Cai, X, Caines, H, Camerini, P, Camerini, P, Carena, F, Carena, W, Carminati, F, Caselle, M, Castellanos, JC, Castro, XS, Catanescu, V, Cavicchioli, C, Cepila, J, Cerello, P, Cervantes, IM, Chang, B, Chang, B, Chapeland, S, Charvet, JL, Chattopadhyay, S, Chattopadhyay, S, Cherney, M, Cheshkov, C, Cheynis, B, Chiavassa, E, Chinellato, DD, Chochula, P, Chojnacki, M, Chojnacki, M, Christakoglou, P, Christakoglou, P, Christensen, CH, Christiansen, P, Chujo, T, Cicalo, C, Cifarelli, L, Cifarelli, L, Cindolo, F, Cleymans, J, Coccetti, F, Coccetti, F, Coffin, JP, Coli, S, Constantin, P, Contin, G, Contin, G, Contreras, JG, Contreras, JG, Cormier, TM, Corral, GH, Corral, GH, Cortese, P, Cortese, P, Cosentino, MR, Costa, F, Cotallo, ME, Crescio, E, Crescio, E, Crochet, P, Cuautle, E, Cunqueiro, L, Dainese, A, Dalsgaard, HH, Danu, A, Das, D, Das, I, Das, K, Dash, A, Dash, S, Davalos, AM, de Barros, GOV, De Caro, A, De Caro, A, de Cataldo, G, de Cuveland, J, De Falco, A, De Falco, A, De Godoy, DAM, De Gruttola, D, De Gruttola, D, de Guevara, PL, De Marco, N, De Pasquale, S, De Pasquale, S, De Remigis, R, de Rooij, R, de Rooij, R, de Toledo, 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Publicada:
13 dic 2010
Categoría:
Physics and Astronomy (miscellaneous)
Resumen:
The first measurement of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at a center-of-mass energy per nucleon pair root s(NN) = 2.76 TeV is presented. For an event sample corresponding to the most central 5% of the hadronic cross section, the pseudorapidity density of primary charged particles at midrapidity is 1584 +/- 4(stat) +/- 76(syst), which corresponds to 8.3 +/- 0.4(syst) per participating nucleon pair. This represents an increase of about a factor 1.9 relative to pp collisions at similar collision energies, and about a factor 2.2 to central Au-Au collisions at root s(NN) = 0.2 TeV. This measurement provides the first experimental constraint for models of nucleus-nucleus collisions at LHC energies.
Filiaciones:
Avina, EA:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Belmont-Moreno, E:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Castro, XS:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
Cervantes, IM:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
Cuautle, E:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
Davalos, AM:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Dominguez, I:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
Gonzalez-Trueba, LH:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Grabski, V:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Mayani, D:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
Menchaca-Rocha, A:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Molina, RA:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Paic, G:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
Palomo, LV:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Salazar, SA:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Sandoval, A:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
Velasquez, AO:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
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