Charged-Particle Multiplicity Density at Midrapidity in Central Pb-Pb Collisions at sqrt[s_{NN}]=2.76 TeV
Articolo
Data di Pubblicazione:
2010
Abstract:
The first measurement of the charged-particle multiplicity density at mid-rapidity in Pb-Pb collisions at a centre-of-mass energy per nucleon pair sqrt(sNN) = 2.76 TeV is presented. For an event sample corresponding to the most central 5% of the hadronic cross section the pseudo-rapidity density of primary charged particles at mid-rapidity is 1584 +- 4 (stat) +- 76 (sys.), which corresponds to 8.3 +- 0.4 (sys.) 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 sqrt(sNN) = 0.2 TeV. This measurement provides the first experimental constraint for models of nucleus-nucleus collisions at LHC energies.
Tipologia CRIS:
03A-Articolo su Rivista
Elenco autori:
K. Aamodt;B. Abelev;A. Abrahantes Quintana;D. Adamová;A. Adare;M. Aggarwal;G. Aglieri Rinella;A. Agocs;S. Aguilar Salazar;Z. Ahammed;A. Ahmad Masoodi;N. Ahmad;S. Ahn;A. Akindinov;D. Aleksandrov;B. Alessandro;R. Alfaro Molina;A. Alici;A. Alkin;E. Almaráz Aviña;T. Alt;V. Altini;S. Altinpinar;I. Altsybeev;C. Andrei;A. Andronic;V. Anguelov;C. Anson;T. Antičić;F. Antinori;P. Antonioli;L. Aphecetche;H. Appelshäuser;N. Arbor;S. Arcelli;A. Arend;N. Armesto;R. Arnaldi;T. Aronsson;I. Arsene;A. Asryan;A. Augustinus;R. Averbeck;T. Awes;J. Äystö;M. Azmi;M. Bach;A. Badalà;Y. Baek;S. Bagnasco;R. Bailhache;R. Bala;R. Baldini Ferroli;A. Baldisseri;A. Baldit;F. Baltasar Dos Santos Pedrosa;J. Bán;R. Barbera;F. Barile;G. Barnaföldi;L. Barnby;V. Barret;J. Bartke;M. Basile;N. Bastid;B. Bathen;G. Batigne;B. Batyunya;C. Baumann;I. Bearden;H. Beck;I. Belikov;F. Bellini;R. Bellwied;E. Belmont-Moreno;S. Beole;I. Berceanu;A. Bercuci;E. Berdermann;Y. Berdnikov;C. Bergmann;L. Betev;A. Bhasin;A. Bhati;L. Bianchi;N. Bianchi;C. Bianchin;J. Bielčík;J. Bielčíková;A. Bilandzic;E. Biolcati;A. Blanc;F. Blanco;F. Blanco;D. Blau;C. Blume;M. Boccioli;N. Bock;A. Bogdanov;H. Bøggild;M. Bogolyubsky;L. Boldizsár;M. Bombara;C. Bombonati;J. Book;H. Borel;A. Borissov;C. Bortolin;S. Bose;F. Bossú;M. Botje;S. Böttger;B. Boyer;P. Braun-Munzinger;L. Bravina;M. Bregant;T. Breitner;M. Broz;R. Brun;E. Bruna;G. Bruno;D. Budnikov;H. Buesching;K. Bugaiev;O. Busch;Z. Buthelezi;D. Caffarri;X. Cai;H. Caines;E. Calvo Villar;P. Camerini;V. Canoa Roman;G. Cara Romeo;F. Carena;W. Carena;F. Carminati;A. Casanova Díaz;M. Caselle;J. Castillo Castellanos;V. Catanescu;C. Cavicchioli;J. Cepila;P. Cerello;B. Chang;S. Chapeland;J. Charvet;S. Chattopadhyay;S. Chattopadhyay;M. Cherney;C. Cheshkov;B. Cheynis;E. Chiavassa;V. Chibante Barroso;D. Chinellato;P. Chochula;M. Chojnacki;P. Christakoglou;C. Christensen;P. Christiansen;T. Chujo;C. Cicalo;L. Cifarelli;F. Cindolo;J. Cleymans;F. Coccetti;J.-P. Coffin;S. Coli;G. Conesa Balbastre;Z. Conesa del Valle;P. Constantin;G. Contin;J. Contreras;T. Cormier;Y. Corrales Morales;I. Cortés Maldonado;P. Cortese;M. Cosentino;F. Costa;M. Cotallo;E. Crescio;P. Crochet;E. Cuautle;L. Cunqueiro;G. Erasmo;A. Dainese;H. Dalsgaard;A. Danu;D. Das;I. Das;K. Das;A. Dash;S. Dash;S. De;A. De Azevedo Moregula;G. de Barros;A. De Caro;G. de Cataldo;J. de Cuveland;A. De Falco;D. De Gruttola;N. De Marco;S. De Pasquale;R. De Remigis;R. de Rooij;P. Debski;E. Del Castillo Sanchez;H. Delagrange;Y. Delgado Mercado;G. Dellacasa;A. Deloff;V. Demanov;E. Dénes;A. Deppman;D. Di Bari;C. Di Giglio;S. Di Liberto;A. Di Mauro;P. Di Nezza;T. Dietel;R. Divià;Ø. Djuvsland;A. Dobrin;T. Dobrowolski;I. Domínguez;B. Dönigus;O. Dordic;O. Driga;A. Dubey;J. Dubuisson;L. Ducroux;P. Dupieux;A. Dutta Majumdar;M. Dutta Majumdar;D. Elia;D. Emschermann;H. Engel;H. Erdal;B. Espagnon;M. Estienne;S. Esumi;D. Evans;S. Evrard;G. Eyyubova;C. Fabjan;D. Fabris;J. Faivre;D. Falchieri;A. Fantoni;M. Fasel;R. Fearick;A. Fedunov;D. Fehlker;V. Fekete;D. Felea;G. Feofilov;A. Fernández Téllez;A. Ferretti;R. Ferretti;J. Figiel;M. Figueredo;S. Filchagin;R. Fini;D. Finogeev;F. Fionda;E. Fiore;M. Floris;S. Foertsch;P. Foka;S. Fokin;E. Fragiacomo;M. Fragkiadakis;U. Frankenfeld;U. Fuchs;F. Furano;C. Furget;M. Fusco Girard;J. Gaardhøje;S. Gadrat;M. Gagliardi;A. Gago;M. Gallio;D. Gangadharan;P. Ganoti;M. Ganti;C. Garabatos;E. Garcia-Solis;I. Garishvili;R. Gemme;J. Gerhard;M. Germain;C. Geuna;A. Gheata;M. Gheata;B. Ghidini;P. Ghosh;P. Gianotti;M. Girard;G. Giraudo;P. Giubellino;E. Gladysz-Dziadus;P. Glässel;R. Gomez;E. Ferreiro;H. González Santos;L. González-Trueba;P. González-Zamora;S.
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