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Measurement of jet radial profiles in Pb–Pb collisions at sNN=2.76 TeV

  • Author(s): Acharya, S
  • Adamová, D
  • Adhya, SP
  • Adler, A
  • Adolfsson, J
  • Aggarwal, MM
  • Aglieri Rinella, G
  • Agnello, M
  • Agrawal, N
  • Ahammed, Z
  • Ahmad, S
  • Ahn, SU
  • Aiola, S
  • Akindinov, A
  • Al-Turany, M
  • Alam, SN
  • Albuquerque, DSD
  • Aleksandrov, D
  • Alessandro, B
  • Alfanda, HM
  • Alfaro Molina, R
  • Ali, B
  • Ali, Y
  • Alici, A
  • Alkin, A
  • Alme, J
  • Alt, T
  • Altenkamper, L
  • Altsybeev, I
  • Anaam, MN
  • Andrei, C
  • Andreou, D
  • Andrews, HA
  • Andronic, A
  • Angeletti, M
  • Anguelov, V
  • Anson, C
  • Antičić, T
  • Antinori, F
  • Antonioli, P
  • Anwar, R
  • Apadula, N
  • Aphecetche, L
  • Appelshäuser, H
  • Arcelli, S
  • Arnaldi, R
  • Arratia, M
  • Arsene, IC
  • Arslandok, M
  • Augustinus, A
  • Averbeck, R
  • Aziz, S
  • Azmi, MD
  • Badalà, A
  • Baek, YW
  • Bagnasco, S
  • Bai, X
  • Bailhache, R
  • Bala, R
  • Baldisseri, A
  • Ball, M
  • Baral, RC
  • Barbera, R
  • Barioglio, L
  • Barnaföldi, GG
  • Barnby, LS
  • Barret, V
  • Bartalini, P
  • Barth, K
  • Bartsch, E
  • Baruffaldi, F
  • Bastid, N
  • Basu, S
  • Batigne, G
  • Batyunya, B
  • Batzing, PC
  • Bauri, D
  • Bazo Alba, JL
  • Bearden, IG
  • Bedda, C
  • Behera, NK
  • Belikov, I
  • Bellini, F
  • Bellwied, R
  • Belyaev, V
  • Bencedi, G
  • Beole, S
  • Bercuci, A
  • Berdnikov, Y
  • Berenyi, D
  • Bertens, RA
  • Berzano, D
  • Besoiu, MG
  • Betev, L
  • Bhasin, A
  • Bhat, IR
  • Bhatt, H
  • Bhattacharjee, B
  • Bianchi, A
  • Bianchi, L
  • et al.
Abstract

The jet radial structure and particle transverse momentum (p ) composition within jets are presented in centrality-selected Pb–Pb collisions at s =2.76 TeV. Track-based jets, which are also called charged jets, were reconstructed with a resolution parameter of R=0.3 at midrapidity |η |<0.6 for transverse momenta p =30–120 GeV/c. Jet–hadron correlations in relative azimuth and pseudorapidity space (Δφ,Δη) are measured to study the distribution of the associated particles around the jet axis for different p -ranges between 1 and 20 GeV/c. The data in Pb–Pb collisions are compared to reference distributions for pp collisions, obtained using embedded PYTHIA simulations. The number of high-p associate particles (4

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