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@article{Sirunyan:2022:10.1103/PhysRevLett.128.122301,
author = {Sirunyan, AM and Tumasyan, A and Adam, W and Ambrogi, F and Bergauer, T and Dragicevic, M and Erö, J and Escalante, Del Valle A and Frühwirth, R and Jeitler, M and Krammer, N and Lechner, L and Liko, D and Madlener, T and Mikulec, I and Pitters, FM and Rad, N and Schieck, J and Schöfbeck, R and Spanring, M and Templ, S and Waltenberger, W and Wulz, C-E and Zarucki, M and Chekhovsky, V and Litomin, A and Makarenko, V and Suarez, Gonzalez J and Darwish, MR and De, Wolf EA and Di, Croce D and Janssen, X and Kello, T and Lelek, A and Pieters, M and Rejeb, Sfar H and Van, Haevermaet H and Van, Mechelen P and Van, Putte S and Van, Remortel N and Blekman, F and Bols, ES and Chhibra, SS and D'Hondt, J and De, Clercq J and Lontkovskyi, D and Lowette, S and Marchesini, I and Moortgat, S and Morton, A and Python, Q and Tavernier, S and Van, Doninck W and Van, Mulders P and Beghin, D and Bilin, B and Clerbaux, B and De, Lentdecker G and Dorney, B and Favart, L and Grebenyuk, A and Kalsi, AK and Ma},
doi = {10.1103/PhysRevLett.128.122301},
journal = {Physical Review Letters},
title = {Using Z boson events to study parton-medium interactions in Pb-Pb collisions},
url = {http://dx.doi.org/10.1103/PhysRevLett.128.122301},
volume = {128},
year = {2022}
}

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TY  - JOUR
AB  - The spectra measurements of charged hadrons produced in the shower of a parton originating in the same hard scattering with a leptonically decaying Z boson are reported in lead-lead nuclei (Pb-Pb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. Both Pb-Pb and pp data sets are recorded by the CMS experiment at the LHC and correspond to an integrated luminosity of 1.7  nb^{-1} and 320  pb^{-1}, respectively. Hadronic collision data with one reconstructed Z boson candidate with the transverse momentum p_{T}>30  GeV/c are analyzed. The Z boson constrains the initial energy and direction of the associated parton. In heavy ion events, azimuthal angular distributions of charged hadrons with respect to the direction of a Z boson are sensitive to modifications of the in-medium parton shower and medium response. compared to reference data from pp interactions, the results for central Pb-Pb collisions indicate a modification of the angular correlations. The measurements of the fragmentation functions and p_{T} spectra of charged particles in Z boson events, which are sensitive to medium modifications of the parton shower longitudinal structure, are also reported. Significant modifications in central Pb-Pb events compared to the pp reference data are also found for these observables.
AU  - Sirunyan,AM
AU  - Tumasyan,A
AU  - Adam,W
AU  - Ambrogi,F
AU  - Bergauer,T
AU  - Dragicevic,M
AU  - Erö,J
AU  - Escalante,Del Valle A
AU  - Frühwirth,R
AU  - Jeitler,M
AU  - Krammer,N
AU  - Lechner,L
AU  - Liko,D
AU  - Madlener,T
AU  - Mikulec,I
AU  - Pitters,FM
AU  - Rad,N
AU  - Schieck,J
AU  - Schöfbeck,R
AU  - Spanring,M
AU  - Templ,S
AU  - Waltenberger,W
AU  - Wulz,C-E
AU  - Zarucki,M
AU  - Chekhovsky,V
AU  - Litomin,A
AU  - Makarenko,V
AU  - Suarez,Gonzalez J
AU  - Darwish,MR
AU  - De,Wolf EA
AU  - Di,Croce D
AU  - Janssen,X
AU  - Kello,T
AU  - Lelek,A
AU  - Pieters,M
AU  - Rejeb,Sfar H
AU  - Van,Haevermaet H
AU  - Van,Mechelen P
AU  - Van,Putte S
AU  - Van,Remortel N
AU  - Blekman,F
AU  - Bols,ES
AU  - Chhibra,SS
AU  - D'Hondt,J
AU  - De,Clercq J
AU  - Lontkovskyi,D
AU  - Lowette,S
AU  - Marchesini,I
AU  - Moortgat,S
AU  - Morton,A
AU  - Python,Q
AU  - Tavernier,S
AU  - Van,Doninck W
AU  - Van,Mulders P
AU  - Beghin,D
AU  - Bilin,B
AU  - Clerbaux,B
AU  - De,Lentdecker G
AU  - Dorney,B
AU  - Favart,L
AU  - Grebenyuk,A
AU  - Kalsi,AK
AU  - Makarenko,I
AU  - Moureaux,L
AU  - Pétré,L
AU  - Popov,A
AU  - Postiau,N
AU  - Starling,E
AU  - Thomas,L
AU  - Vander,Velde C
AU  - Vanlaer,P
AU  - Vannerom,D
AU  - Wezenbeek,L
AU  - Cornelis,T
AU  - Dobur,D
AU  - Gruchala,M
AU  - Khvastunov,I
AU  - Niedziela,M
AU  - Roskas,C
AU  - Skovpen,K
AU  - Tytgat,M
AU  - Verbeke,W
AU  - Vermassen,B
AU  - Vit,M
AU  - Bruno,G
AU  - Bury,F
AU  - Caputo,C
AU  - David,P
AU  - Delaere,C
AU  - Delcourt,M
AU  - Donertas,IS
AU  - Giammanco,A
AU  - Lemaitre,V
AU  - Mondal,K
AU  - Prisciandaro,J
AU  - Taliercio,A
AU  - Teklishyn,M
AU  - Vischia,P
AU  - Wuyckens,S
AU  - Zobec,J
AU  - Alves,GA
AU  - Correia,Silva G
AU  - Hensel,C
AU  - Moraes,A
AU  - Aldá,Júnior WL
AU  - Belchior,Batista Das Chagas E
AU  - Brandao,Malbouisson H
AU  - Carvalho,W
AU  - Chinellato,J
AU  - Coelho,E
AU  - Da,Costa EM
AU  - Da,Silveira GG
AU  - De,Jesus Damiao D
AU  - Fonseca,De Souza S
AU  - Martins,J
AU  - Matos,Figueiredo D
AU  - Medina,Jaime M
AU  - Melo,De Almeida M
AU  - Mora,Herrera C
AU  - Mundim,L
AU  - Nogima,H
AU  - Rebello,Teles P
AU  - Sanchez,Rosas LJ
AU  - Santoro,A
AU  - Silva,Do Amaral SM
AU  - Sznajder,A
AU  - Thiel,M
AU  - Tonelli,Manganote EJ
AU  - Torres,Da Silva De Araujo F
AU  - Vilela,Pereira A
AU  - Bernardes,CA
AU  - Calligaris,L
AU  - Tomei,TRFP
AU  - Gregores,EM
AU  - Lemos,DS
AU  - Mercadante,PG
AU  - Novaes,SF
AU  - Padula,SS
AU  - Aleksandrov,A
AU  - Antchev,G
AU  - Atanasov,I
AU  - Hadjiiska,R
AU  - Iaydjiev,P
AU  - Misheva,M
AU  - Rodozov,M
AU  - Shopova,M
AU  - Sultanov,G
AU  - Bonchev,M
AU  - Dimitrov,A
AU  - Ivanov,T
AU  - Litov,L
AU  - Pavlov,B
AU  - Petkov,P
AU  - Petrov,A
AU  - Fang,W
AU  - Guo,Q
AU  - Wang,H
AU  - Yuan,L
AU  - Ahmad,M
AU  - Hu,Z
AU  - Wang,Y
AU  - Chapon
DO  - 10.1103/PhysRevLett.128.122301
PY  - 2022///
SN  - 0031-9007
TI  - Using Z boson events to study parton-medium interactions in Pb-Pb collisions
T2  - Physical Review Letters
UR  - http://dx.doi.org/10.1103/PhysRevLett.128.122301
UR  - https://www.ncbi.nlm.nih.gov/pubmed/35394329
UR  - http://hdl.handle.net/10044/1/96261
VL  - 128
ER  -

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