Longitudinal asymmetry and its effect on pseudorapidity distributions in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV

Longitudinal asymmetry and its effect on pseudorapidity distributions in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV

First results on the longitudinal asymmetry and its effect on the pseudorapidity distributions in Pb–Pb collisions at sNN = 2.76 TeV at the Large Hadron Collider are obtained with the ALICE detector. The longitudinal asymmetry arises because of an unequal number of participating nucleons from the tw...

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Veröffentlicht in:Physics letters. B 2018, Vol.781, p.20-32
Hauptverfasser: Acharya, S., Adam, Jaroslav, Adamova, Dagmar, Adolfsson, Jonatan, Aggarwal, Madan Mohan, Aglieri Rinella, Gianluca, Agnello, Michelangelo, Agrawal, Neelima, Ahammed, Zubayer, Ahmad, Nazeer, Ahn, Sang Un, Aiola, Salvatore, Akindinov, Alexander, Al-Turany, Mohammad, Alam, Sk Noor, Bazo Alba, Jose Luis, Silva de Albuquerque, Danilo, Aleksandrov, Dmitry, Alessandro, Bruno, Alfaro Molina, Jose Ruben, Alici, Andrea, Alkin, Anton, Alme, Johan, Alt, Torsten, Altenkamper, Lucas, Altsybeev, Igor, Alves Garcia Prado, Caio, Andrei, Cristian, Andreou, Dimitra, Andrews, Harry Arthur, Andronic, Anton, Anguelov, Venelin, Anson, Christopher Daniel, Anticic, Tome, Antinori, Federico, Antonioli, Pietro, Anwar, Rafay, Aphecetche, Laurent Bernard, Appelshaeuser, Harald, Arcelli, Silvia, Arnaldi, Roberta, Arnold, Oliver Werner, Arsene, Ionut Cristian, Arslandok, Mesut, Audurier, Benjamin, Augustinus, Andre, Averbeck, Ralf Peter, Azmi, Mohd Danish, Badala, Angela, Baek, Yong Wook, Bagnasco, Stefano, Bailhache, Raphaelle Marie, Bala, Renu, Baldisseri, Alberto, Ball, Markus, Baral, Rama Chandra, Barbano, Anastasia Maria, Barbera, Roberto, Barile, Francesco, Barioglio, Luca, Barnafoldi, Gergely Gabor, Barnby, Lee Stuart, Ramillien Barret, Valerie, Bartalini, Paolo, Barth, Klaus, Bartsch, Esther, Basile, Maurizio, Bastid, Nicole, Basu, Sumit, Batigne, Guillaume, Batyunya, Boris, Batzing, Paul Christoph, Bearden, Ian Gardner, Beck, Hans, Bedda, Cristina, Behera, Nirbhay Kumar, Belikov, Iouri, Bellini, Francesca, Bello Martinez, Hector, Bellwied, Rene, Espinoza Beltran, Lucina Gabriela, Belyaev, Vladimir, Bencedi, Gyula, Beole, Stefania, Bercuci, Alexandru, Berdnikov, Yaroslav, Berenyi, Daniel, Bertens, Redmer Alexander, Berzano, Dario, Betev, Latchezar, Bhasin, Anju, Bhat, Inayat Rasool, Bhati, Ashok Kumar, Bhattacharjee, Buddhadeb, Bhom, Jihyun, Bianchi, Antonio, Bianchi, Livio, Bianchi, Nicola, Bianchin, Chiara, Bielcik, Jaroslav
Format: Artikel
Sprache:eng
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Nuclear Experiment
Physics
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Zusammenfassung:First results on the longitudinal asymmetry and its effect on the pseudorapidity distributions in Pb–Pb collisions at sNN = 2.76 TeV at the Large Hadron Collider are obtained with the ALICE detector. The longitudinal asymmetry arises because of an unequal number of participating nucleons from the two colliding nuclei, and is estimated for each event by measuring the energy in the forward neutron-Zero-Degree-Calorimeters (ZNs). The effect of the longitudinal asymmetry is measured on the pseudorapidity distributions of charged particles in the regions |η|
ISSN:0370-2693
DOI:10.1016/j.physletb.2018.03.051