Decomposing transverse momentum balance contributions for quenched jets in PbPb collisions at s N N = 2.76 $$ \sqrt{s_{\mathrm{N}\;\mathrm{N}}}=2.76 $$ TeV
Decomposing transverse momentum balance contributions for quenched jets in PbPb collisions at sqrt(s[NN]) = 2.76 TeV
V. Khachatryan
,
M. Besançon
(1)
,
F. Couderc
(1)
,
M. Dejardin
(1)
,
D. Denegri
(1)
,
B. Fabbro
(1)
,
J.L. Faure
(1)
,
C. Favaro
(1)
,
F. Ferri
(1)
,
S. Ganjour
(1)
,
S. Ghosh
(1)
,
A. Givernaud
(1)
,
P. Gras
(1)
,
G. Hamel De Monchenault
(1)
,
P. Jarry
(1)
,
I. Kucher
(1)
,
E. Locci
(1)
,
M. Machet
(1)
,
J. Malcles
(1)
,
J. Rander
(1)
,
A. Rosowsky
(1)
,
M. Titov
(1)
,
A. Zghiche
(1)
,
A. Abdulsalam
(2)
,
I. Antropov
(2)
,
S. Baffioni
(2)
,
F. Beaudette
(2)
,
P. Busson
(2)
,
L. Cadamuro
(2)
,
E. Chapon
(2)
,
C. Charlot
(2)
,
O. Davignon
(2)
,
R. Granier de Cassagnac
(2)
,
M. Jo
(2)
,
S. Lisniak
(2)
,
P. Min´e
,
M. Nguyen
,
C. Ochando
(2)
,
G. Ortona
(2)
,
P. Paganini
(2)
,
P. Pigard
(2)
,
S. Regnard
(2)
,
R. Salerno
(2)
,
Y. Sirois
(2)
,
T. Strebler
(2)
,
Y. Yilmaz
(2)
,
A. Zabi
(2)
,
J.-L. Agram
(3)
,
J. Andrea
(3)
,
A. Aubin
(3)
,
D. Bloch
(3)
,
J.-M. Brom
(3)
,
M. Buttignol
(3)
,
E.C. Chabert
(3)
,
N. Chanon
(3)
,
C. Collard
(3)
,
E. Conte
(3)
,
X. Coubez
(3)
,
J.-C. Fontaine
(3)
,
D. Gele
(3)
,
U. Goerlach
(3)
,
A.-C. Le Bihan
(3)
,
J.A. Merlin
(3)
,
K. Skovpen
(3)
,
P. Van Hove
(3)
,
S. Gadrat
(4)
,
S. Beauceron
(5)
,
C. Bernet
(5)
,
G. Boudoul
(5)
,
E. Bouvier
(5)
,
C.A. Carrillo Montoya
(5)
,
R. Chierici
(5)
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D. Contardo
(5)
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B. Courbon
(5)
,
P. Depasse
(5)
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H. El Mamouni
(5)
,
J. Fan
(5)
,
J. Fay
(5)
,
S. Gascon
(5)
,
M. Gouzevitch
(5)
,
G. Grenier
(5)
,
B. Ille
(5)
,
Fabienne Lagarde
(5)
,
I.B. Laktineh
(5)
,
M. Lethuillier
(5)
,
L. Mirabito
(5)
,
A.L. Pequegnot
(5)
,
S. Perries
(5)
,
A. Popov
(5)
,
D. Sabes
(5)
,
V. Sordini
(5)
,
M. Vander Donckt
(5)
,
P. Verdier
(5)
,
S. Viret
(5)
V. Khachatryan
- Function : Author
P. Busson
- Function : Author
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R. Granier de Cassagnac
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P. Min´e
- Function : Author
M. Nguyen
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P. Paganini
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T. Strebler
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J.-L. Agram
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N. Chanon
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C. Collard
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E. Conte
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M. Gouzevitch
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Fabienne Lagarde
- Function : Author
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M. Lethuillier
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V. Sordini
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P. Verdier
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S. Viret
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Abstract
Interactions between jets and the quark-gluon plasma produced in heavy ion collisions are studied via the angular distributions of summed charged-particle transverse momenta (pt) with respect to both the leading and subleading jet axes in high-pt dijet events. The contributions of charged particles in different momentum ranges to the overall event pt balance are decomposed into short-range jet peaks and a long-range azimuthal asymmetry in charged-particle pt. The results for PbPb collisions are compared to those in pp collisions using data collected in 2011 and 2013, at collision energy sqrt(s[NN]) = 2.76 TeV with integrated luminosities of 166 inverse microbarns and 5.3 inverse picobarns, respectively, by the CMS experiment at the LHC. Measurements are presented as functions of PbPb collision centrality, charged-particle pt, relative azimuth, and radial distance from the jet axis for balanced and unbalanced dijets.
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