Observation of Medium-Induced Modifications of Jet Fragmentation in Pb-Pb Collisions at sqrt[s_{NN}]=5.02 TeV Using Isolated Photon-Tagged Jets.

A M Sirunyan ,S Dasu,G Majumder,O Kodolova,C Freer,C Lourenço,A Lanev,C Henderson,N Sahoo,N Van Remortel,N Lychkovskaya,D Sunar Cerci,J Bradmiller-Feld,A Belyaev,T Mudholkar,V Innocente,J Goldstein,N Pastrone,Sa Jain,F Ferro,A Geiser,P Millet,R Caspart,Y.-J Lee,C Seitz,D Smith,J Lee,S Kesisoglou,A Saha,M Guthoff,C Grandi,S Cho,Sandra S Padula,L Antonelli,L Malgeri,C Foudas,B Bilki,M Jo,W Lustermann,S Kaplan,J Gilmore,D Quach,A Beschi,K Kovitanggoon,C Collard,F Chlebana,A Ackert,A Tricomi,M Masciovecchio,Q Python,D Anderson,S Ragazzi,D Bhowmik,A Agapitos,A Tapper,J Bunn,K Kothekar,C Contreras-Campana,A Givernaud,N Dupont,P Azzi,K Y Cheng,Yu Andreev,B Hong,M Barrio Luna,R Teixeira De Lima,A Shtipliyski,A Stepennov,Z Xu,Z Gecse,M Hempel,E Eskandari Tadavani,C Autermann,S Costa,B Hashemi,S Braibant-Giacomelli,S Meola,S Dugad,P Capiluppi,E Eren,R Sacchi,D Gulhan,N Majumdar,M Yalvac,S Fiorendi,N Wardle,D Menasce,G Organtini,A Albert,B Liu,R Sharma,S Choi,I Van Parijs,A Purohit,Y Ivanov,F Boran,M Walker,O Bondu,U Bhawandeep,A Safonov,A Terkulov,R Xiao,E Popova,V Savrin,J Hardenbrook,M Nguyen,M Alyari,I Yu,I Pedraza,P Sheldon,A Bornheim,P Katsoulis,D Sperka,L Perrozzi,A Saddique,A Thea,D Gastler,A Güth,L Beck,J.-C Fontaine,B Asavapibhop,A Mertens,A Zucchetta,J Smith,R Yohay,R Frühwirth,C Amsler,L Gouskos,O Zenaiev,M Peruzzi,Y Onel,G Mitselmakher,Z Tao,G Strong,A Askew,R Ryutin,G Riley,G Auzinger,F Ligabue,J Han,R Lipton,A Grebenyuk,F Rezaei Hosseinabadi,T Ruggles,A Staiano,J Tao,A Lobanov,C Mcginn,R Cavanaugh,R Bellan,H Wei,S Dildick,M Backhaus,J Tuominiemi,A Nehrkorn,V Bhatnagar,D Pitzl,J Velkovska,S Cittolin,J Pilot,J Stupak,C Diez Pardos,M Verzetti,J Rander,P Bargassa,D Liko,R Friese,M Goncharov,P Bortignon,A Evans,L Kreczko,J Zabel,I Kucher,E Auffray,C Flores,C Hill,L Alunni Solestizi,D Lelas,P Checchia,D Leggat,P Paganini,M Delcourt,N Kovalchuk,Y Chen,I Topsis-Giotis,E Macdonald,A Triossi,S Lacaprara,N Rad,A Santocchia,V Petrov,E Avdeeva,W Johns,S Tuo,Y Wang,A Solano,A Godizov,A Dominguez,T James,P Iaydjiev,S Gelli,V Andreev,A Rizzi,O Surányi,L Barone,S Shulha,M Zeinali,T Roy,G Negro,R Paramatti,E Scott,M Aldaya Martin,M Tytgat,S Muthumuni,V Murzin,A Borzou,W Luo,C Lange,N Woods,F Scheuch,M Biasini,A Kapoor,M Guchait,R Del Burgo,S Thüer,O Kara,K Doroba,N Krammer,K Pauwels,J Russ,C Kleinwort,V Jha,A Jafari,G Grenier,M Zeyrek,P Hebda,S Shalhout,S Turkcapar,P Vitulo,B Safarzadeh,E Coelho,L Bianchini,A Castaneda Hernandez,E Di Marco,J Yoo,Z Zolkapli,A Zghiche,B Blumenfeld,A Moeller,P Saxena,V Blobel,X Janssen,S Dey,Z Chen,T Mengke,D Stolp,J Vaitkus,M Pesaresi,V Palladino,M Radziej,K Shchelina,K Rabbertz,R Aggleton,V Khristenko,R Hadjiiska,I Dremin,J Thom,N Tosi,A Nayak,P Baringer,N Dev,A Gurrola,N Pastika,A Kamenev,M Osherson,C Grab,C Mueller,M Paulini,M Reichmann,A Khan,G Oh,D Majumder,J Hegeman,G Daskalakis,J Eysermans,S Ozturk,G Selvaggi,S H Seo,J Erö,T Rovelli,M Felcini,P Gras,M Raidal,H Prosper,S Leontsinis,D Poyraz,U Goerlach,C Florez,M Malberti,M Cipriani,M Kilpatrick,A Malakhov,P Kumari,C Harrington,A Kaur,J Richman,S Erdweg,M Melo De Almeida,P Mal,N Neumeister,T Strebler,D Elumakhov,N Skatchkov,J Zhang,D Zou,P Van Mulders,O Baron,T Geralis,E Migliore,R Bucci,D Bonacorsi,M Ahmad,S Sekmen,D Dutta,M Kovac,G Tonelli,U Hussain,M Flechl,M Cepeda,W Lange,P Harris,V Oreshkin,X Coubez,M Paganoni,C Schäfer,P Baillon,T Liu,L Uplegger,V Stolin,G Benelli,K Kotov,Y Haddad,Á Hunyadi,G Petrucciani,D Ciangottini,N Amapane,H Lee,M Maity,O Pooth,C Campagnari,S Bianco,R Dell’Orso,A König,K Long,S Regnard,M Waqas,V Chekhovsky,S Casasso,C Schwick,P Avery,M Savitskyi,A Bermúdez Martínez,H Trauger,M Heindl,S Nourbakhsh,W Lohmann,A Harb,G Miniello,W Adam,J Li,D Marconi,F Zenoni,H Liu,U Joshi,O Hindrichs,K Rose,I De Bruyn,K Maeshima,M Cerrada,D Saltzberg,V Gavrilov,Y Choi,M Sun,A Marinov,D Di Croce,V Ciulli,I Kravchenko,C Mironov,A Barker,P Silva,N Sur,T Camporesi,M Bianco,M Diemoz,E Pree,F Rebassoo,A Bean,D Petyt,A Vartak,K Wichmann,P Depasse,W Funk,F Meng,R.-S Lu,Y Pakhotin,P Wittich,M Marionneau,F Drouhin,L Borrello,S Brandt,H Van Haevermaet,A Mestvirishvili,P Shukla,C Snyder,F Lacroix,L Perniè,T Ferbel,D Klein,K Deiters,A Uzunian,C Asawatangtrakuldee,K Ranjan,S Belforte,V Calvelli,H Delannoy,C Rovelli,K Lamichhane,S Nuzzo,I Vorobiev,B Clerbaux,J Zhao,E Ntomari,K Gill,T Cheng,S Somalwar,M Tadel,N Terentyev,B Singh,M Mulhearn,E Paganis,K Sung,J Sonneveld,V Sordini,K Burt,J Duarte,S Polikarpov,H Neugebauer,S Folgueras,G Apollinari,J Kim,S Bansal,P Lariccia,B Mangano,M Baselga,E Gottschalk,D Gyun,N Mccoll,P Mcbride,R Lopes De Sá,H Nogima,P Giacomelli,C Mesropian,S Salur,S Kunori,K Padeken,Y Wen,R Leonardi,B Sutar,A Nikitenko,N Zaganidis,R Lander,J Bowen,J Linacre,S Greene,R Bi,C Albajar,C Mariotti,J Wittmann,K Mazumdar,R Wallny,L Moroni,R Castello,A Braghieri,C Rogan,N Odell,S Schumann,N Skhirtladze,A Kropivnitskaya,M Hoffmann,M Misiura,C You,B De La Cruz,E Locci,M Toms,U Sarica,M De Palma,T Peiffer,I Azhgirey,S Williamson,K Kaadze,P Lecoq,A Reinsvold,J Ngadiuba,M Spiropulu,J Martin Blanco,K Schweiger,R Bainbridge,M D’Alfonso,D Hits,V Karimäki,S Mersi,R Bhardwaj,K Sumorok,M Kaur,S Stoynev,D Rabady,S Zaleski,S Freed,J Rorie,M Endres,F Fallavollita,E Schmitz,A Di Mattia,A Carnes,M Rovere,R Arcidiacono,D Philippov,P Schleper,H Kirschenmann,S Lee,D Colling,B Ille,A Tatarinov,S Zhang,T Perry,C Neu,M Della Negra,B Jayatilaka,Y Komurcu,S Chatterjee,S Flowers,K Harder,D Olivito,S Norberg,S Mitra,R Erbacher,G Bauer,P Vanlaer,H Reithler,M Zientek,K Hurtado Anampa,J Steggemann,A Pashenkov,D Strom,R Venditti,T Esch,D Sheffield,C Beirão Da Cruz E Silva,L Mastrolorenzo,J Lykken,J De Clercq,A Skuja,D Wood,G Boudoul,D Vadruccio,S Bhowmik,S Troshin,S Albergo,W.-S Hou,M Galanti,H El Mamouni,N Smith,T Reis,M Dordevic,T Kamon,T Lenzi,P Busson,K Theofilatos,M Kazana,S Malhotra,K Chatterjee,B Kiani,A Steen,H Mildner,S Gninenko,A Pozdnyakov,E Paradas,A Tsirou,M Meschini,J Fay,I.-A Melzer-Pellmann,Arun Kumar,T Sculac,S Dutt,N Eminizer,R Lane,G Sultanov,V Botta,E Kennedy,F Ricci-Tam,Y Iiyama,O Charaf,F Kassel,D Abbaneo,K Lee,M Weinberg,W De Boer,E Bouvier,M Arneodo,V Candelise,J Wright,P Vischia,M Hildreth,V Krutelyov,H Vogel,R Stone,E Halkiadakis,F Wang,L Ristori,X Chen,N Akchurin,F Iemmi,A Perrotta,S Bhattacharya,S Keshri,E Usai,S Liu,T Tabarelli De Fatis,R Rusack,E Vlasov,A Morelos Pineda,T Rohe,L Lyons,N Chanon,P Lenzi,J Brandstetter,L Cristella,B Kargoll,E Yazgan,P Spagnolo,D Trocino,T Sinthuprasith,D D’Enterria,J Borg,S Salva,P De Barbaro,U Heintz,C Wissing,M Murray,D Shtol,Q Xu,M De Mattia,A Baden,D Burns,M Hohlmann,H Kim,C Vernieri,J Haller,R Bhattacharya,M Shopova,S Summers,D Vannerom,D Bourilkov,O Evdokimov,A Dimitrov,G Mittag,D Curry,L Mirabito,J Hauser,D Rankin,F Glege,L Apanasevich,G Zito,M Guilbaud,H Qiu,J Chaves,P Jarry,N Amin,A Kornmayer,T Bose,G De Lentdecker,G Roland,B Roozbahani,X Gao,L Benato,I Bachiller,Y Kim,D Wang,V Azzolini,U Dosselli,Y Hsiung,A Florent,Y Chao,F Matorras,I Lokhtin,A Babaev,M Wang,N Demaria,M Sani,M Verweij,M Hu,M Dünser,I Ojalvo,L Quertenmont,B Bylsma,I Pozdnyakov,L Litov,R Chawla,K Nawrocki,T Frueboes,A Stahl,L Benussi,H Malbouisson,C Dozen,S Malik,I Volobouev,S Bitioukov,S Sanders,G Sguazzoni,M Gavrilenko,I Bayshev,C Mclean,F Beaudette,A Starodumov,S Lisniak,R Carlin,P Janot,D Nowatschin,C Veelken,S Zahid,T Sarkar,G Barbagli,A Apyan,A Panagiotou,M Kadastik,G Della Ricca,L Russo,W Shi,R Ruchti,M Menichelli,C.-E Wulz,W Busza,F Colombo,V Sharma,S Schnetzer,D Arcaro,T Huang,A Saggio,F Blekman,S Brochet,F Würthwein,G Walia,C Tully,K Yi,Z Mao,N Ruckstuhl,R Granier De Cassagnac,F Costanza,P David,P Chang,A Messineo,N Strobbe,D Dobur,E El-Khateeb,M Vit,S Linn,A Ershov,V Monaco,J Pazzini,F Thyssen,G Bolla,V Bhopatkar,D Fasanella,S Chauhan,A Perieanu,Y Kubota,C Royon,F Primavera,B Gomber,N Bartosik,R Band,G Karapostoli,Aashaq Shah,M Tripathi,P Everaerts,G Landsberg,P Musella,R Kumar,F Santanastasio,F Meijers,N Mirman,F Micheli,A Tumasyan,G Iaselli,A Rane,A Brinkerhoff,T Lomtadze,A Zanetti,P Pigard,D Gilbert,A Hinzmann,B Kreis,G Bencze,P Connor,P Siddireddy,S Dutta,B Mahakud,M Jansová,M Ignatenko,K Borras,R Breedon,A Fanfani,M Pelliccioni,S Roy Chowdhury,G Singh,P Govoni,M Walczak,J Strologas,O Prokofyev,K Shi,R D’Alessandro,L Spiegel,A Sharma,E Palencia Cortezon,S Obraztsov,S Colafranceschi,B Casal,F Cavallari,R Wolf,J Roberts,L Finco,N Varelas,I Khvastunov,J Kieseler,A Zabi,R Klanner,A Ovcharova,C Richardson,F Gasparini,A Rosowsky,F Lagarde,J Fulcher,C Laner,Q Hassan,C Ochando,V Popov,T Hebbeker,M Ressegotti,R Horisberger,X Niu,E Laird,C Schomakers,P Piroué,S Jindariani,M Joyce,O Driga,A De Roeck,Z Wu,J Mejia Guisao,I Papadopoulos,W Xie,L Borgonovi,R Ciesielski,J Garcia-Ferrero,K Mandal,A Santoro,C Botta,M Wolf,S Wimpenny,E Gallo,M Centis Vignali,R Yonamine,F Margaroli,R Gerosa,A Degano,A Bat,B Mesic,A Spiezia,A Giammanco,G Correia Silva,S Spanier,S Sagir,S Orfanelli,M Narain,E Kuznetsova,M Kaya,D Teyssier,Sh Jain,O Behnke,L Pacher,R Chierici,A.-C Le Bihan,M Verzocchi,M Preuten,G Rakness,A Moraes,A Avetisyan,N Loukas,V Blinov,S Damarseckin,M Donegà,M Gouzevitch,E Conte,G Perrin,M Jeitler,M Mulders,J Goh,B Francis,R Eusebi,V Smirnov,S Choudhury,T Chwalek,U Behrens,P Dauncey,N Bacchetta,P Klabbers,S Viret,S Thomas,C Roland,L Soffi,D Piccolo,J Wang,D Salerno,F Mohamad Idris,Y Feng,M Haytmyradov,S Donato,D Spiga,R Kogler,F Ravera,T Aushev,M Shi,P Markowitz,D Spitzbart,J Hrubec,I Puljak,V Korotkikh,J Almond,W Verbeke,Y Roh,A Lopez Virto,D Devetak,A Aleksandrov,F Vazquez Valencia,H Saka,P Das,J Heideman,G Mantovani,P Lujan,M Sharan,A Perloff,T Lampén,T Eichhorn,Z Hu,E Barberis,O Davignon,L Lista,P Zotto,W Clarida,M Chertok,N Colino,J Turkewitz,M Casarsa,T Toriashvili,A Schmidt,W Fang,Ashok Kumar,B Kilminster,S Afanasiev,S Rahatlou,B Francois,A Grohsjean,F Palla,A Sznajder,A Zhang,J Tucker,T Du Pree,A Hortiangtham,C Leloup,I Vai,G Zevi Della Porta,M Grothe,A David,P Salvini,H Zhang,K Dilsiz,J Ellison,S Breeze,H Stadie,J Dittmann,S Mukherjee,A Vorobyev,M Weber,S Malvezzi,S Rappoccio,A Godshalk,J Yelton,R Wilkinson,B Boimska,V Kumar,H Brun,M Naimuddin,A Rinkevicius,C Roskas,E Belchior Batista Das Chagas,P Gianneios,S Knutzen,C Civinini,J Cuevas,T Lindén,M Gallinaro,Y Takahashi,M Dittmar,V O’Dell,W Van Doninck,A Castro,W Ko,I Redondo,C Sciacca,L Dodd,S Thakur,A Korytov,H Tholen,A Penzo,P De Castro Manzano,F Preiato,A Byszuk,G Quast,R Janjam,A Abdulsalam,J Letts,S My,P Luukka,V Epshteyn,S Higginbotham,Y Maravin,E Monteil,Y Sirois,M Missiroli,S Paoletti,B Maier,M Johnson,G Steinbrück,P Tan,C Smith,J D’Hondt,G Cerminara,T Williams,W Lin,M Komm,S Jabeen,M Lethuillier,K Klein,T Bergauer,S Lammel,Q Wang,S Bahinipati,C Riccardi,A Bodek,A Savoy-Navarro,D Abercrombie,P Levchenko,N Stefaniuk,C Amendola,G Funk,S Moortgat,M Misheva,A Kalogeropoulos,S Gadrat,J Lauwers,V Valuev,D Taylor,T Hreus,B Marzocchi,W Bertl,D Fehling,P Kyberd,S Das,J Castle,E Wolfe,M Pieri,A Toropin,M Margoni,J Rohlf,D Marlow,M Albrow,F De Guio,A Wisecarver,C Nicolaou,N Wickramage,U Langenegger,O Toldaiev,C Jessop,V Daponte,M Górski,M Niedziela,C Heidemann,A Álvarez Fernández,S Kyriacou,A Belloni,L Brianza,I Miagkov,J.-M Brom,L Sulak,E Robutti,E Tuominen,R Ulrich,P Zalewski,Y Yilmaz,G Masetti,Y Gershtein,K Pedro,A Stakia,A Dishaw,T Aziz,A Benaglia,A Woodard,C Palmer,H Bakhshiansohi,E Perez,J Chinellato,S Laurila,S Sharma,A Lath,V Re,V Hagopian,N Tyurin,D Sosnov,M Merschmeyer,P Bunin,M Quittnat,C Maguire,M Stöver,I Mikulec,K Mcdermott,C Delaere,L Uvarov,J Bendavid,C Uribe Estrada,S Kudella,M Dobson,F Pandolfi,D Tlisov,M Gul,T Tuuva,F Yumiceva,D Contardo,S Sarkar,A Di Francesco,H Sakulin,J Marco,M Liu,J Havukainen,A Delgado Peris,Y Ban,M Mannelli,U Gasparini,S Marcellini,A Ellithi Kamel,W Wu,L Favart,A Cabrera,L Shchutska,Y Cheng,R Kamalieddin,G Dissertori,Z Wang,H Jung,L Teodorescu,E Garutti,C Scharf,A Meyer,M Carver,I Smirnov,F Simonetto,S Pandey,A Kyriakis,E Torassa,K Lannon,A Karneyeu,R Mankel,M Rodozov,B Freund,M Ruspa,P Faccioli,A Savin,A Gozzelino,V Knünz,N Dhingra,S Shmatov,F Fiori,A Soha,L Fanò,A Ahmad,J Piedra Gomez,A Cocoros,L Giannini,T Kress,B Grynyov,J Kamin,S Khalil,D Loukas,C Erice,H Mermerkaya,M Shoaib,B Marangelli,R Loveless,B Courbon,M Finger,C Wang,A Ruiz-Jimeno,F Hartmann,C Oropeza Barrera,N Poudyal,J Hirschauer,A Roy,C Caillol,M Olmedo Negrete,Y Musienko,H Wang,G Iles,D Noonan,C Brew,E De La Cruz-Burelo,A Rose,S Xie,K Call,A Bylinkin,W Si,K Skovpen,S Ahuja,I Korol,J Freeman,A Juodagalvis,K Tatar,A Künsken,P Ma,I Marchesini,P Eerola,R Hirosky,J Wetzel,L Caminada,R Conway,G Flügge,A Wightman,Z Liu,J Conway,A García Alonso,T Sakuma,S Bein,M Herndon,C Galloni,J Alexander,M Trovato,N Cavallo,Th Müller,S Paktinat Mehdiabadi,J Varela,B Klima,F Fienga,J Schieck,A Dierlamm,L Corpe,S Cooperstein,P Bloch,T Virdee,G Fedi,S Wertz,J Mans,A Boletti,T Dreyer,R Radogna,I Iashvili,V Karjavin,J Berryhill,P Mandrik,S Gascon,V Dutta,K Tos,M Planer,D Cieri,L Brito,S Tosi,P Kokkas,J Kunkle,C Caputo,R Gonzalez Suarez,P Sphicas,E Boos,E Asilar,S Abdullin,A Dasgupta,S Gennai,B Schneider,J Buchanan,P Rebello Teles,M Van De Klundert,H Li,K Lassila-Perini,T Dorigo,A Psallidas,D Wright,K Jung,E Sexton-Kennedy,E Gülmez,W Carvalho,A Topkar,A Baskakov,I Evangelou,R Heller,S Dittmer,B Wang,S Wayand,M Olszewski,M Cremonesi,G Vesztergombi,T Rodrigo,A Fagot,A Raspereza,D Denegri,C Wöhrmann,R Kinnunen,L Levchuk,C Pistone,A Bundock,N Cartiglia,J Hollar,J Dolen,A De Cosa,D Bisello,M Azarkin,S Undleeb,T Klijnsma,C Calabria,F Cossutti,E Butz,G Bagliesi,S Chenarani,L Mundim,J Hakala,A Ledovskoy,V Mossolov,M Erdmann,F Golf,A Tiko,P Cirkovic,A Martelli,D Gonzalez,G Ortona,A Caudron,D Barney,H Mei,C Bravo,D Pinna,R Salerno,P Azzurri,B Galinhas,N Leonardo,V Veckalns,R Goldouzian,A Vilela Pereira,A Al-Bataineh,Q Ingram,D Moran,S Maselli,M De Gruttola,J Mousa,K Stenson,M Hadley,L Gutay,E Tziaferi,Z Tu,D Krücker,S Baffioni,C Zorbilmez,A Massironi,G Hanson,M Swartz,T 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Dorfer,J Strait,M Brodski,K Mei,R Cousins,J Mnich,T Ferguson,M Kirsanov,G Kole,V Matveev,A Buccilli,H Liao,C Ferraioli,A Zhokin,G Davies,M Schönenberger,S Harper,K Burkett,M Teroerde,J Alcaraz Maestre,M Maggi,S Abu Zeid,J Keaveney,Q Li,S Durgut,S Lezki,A Modak,D Lange,S Ghosh,E Meschi,E Olaiya,G Franzoni,M Vander Donckt,L Fiore,P Robmann,D Lincoln,K Matchev,E Focardi,I Dutta,A Lelek,G Krintiras,R Montalvo,P Rumerio,R Covarelli,L Orsini,L Cadamuro,I Gorbunov,A Whitbeck,D Eckstein,E Longo,S Kalafut,J Hiltbrand,P Berger,J Sun,M Xiao,A Holzner,M Meyer,H Qu,A Pérez-Calero Yzquierdo,M Buttignol,G Abbiendi,A Khukhunaishvili,J Faulkner,Z Demiragli,A Johnson,A Taurok,D Creanza,D Hsu,I Suarez,G Zumerle,J Roskes,J Luo,A Ghezzi,A Ivanov,A Mehta,D Del Re,S Kurz,M Abbrescia,R Khurana,Y Skovpen,A Makovec,F Ball,L Romero,D Rathjens,J.-P Merlo,D Pellett,O Bouhali,C Fangmeier,M Jones,N Trevisani,J Salfeld-Nebgen,S Wang,G Codispoti,M Vazquez Acosta,A Montanari,P Verwilligen,A Pfeiffer,F Cenna,Z Zhang,V Ciriolo,G Flouris,W Waltenberger,D Yu,S Hasegawa,D Gelé,K Androsov,P Meridiani,M Citron,T Orimoto,A Richards,A Khatiwada,H Rohringer,J Pata,F Xia,A Karavdina,N Voytishin,P Paolucci,C Biino,N Mucia,A Elliott-Peisert,A Kalinowski,P Montagna,M Machet,S Petrushanko,D Acosta,A.-M Magnan,R Clare,A Santra,G Chen,M Stoye,K Hatakeyama,S Atay,D Krofcheck,M Chadeeva,C West,C Vander Velde,D Nguyen,A Pyskir,A Mohammadi,M Wayne,O Gutsche,H Rykaczewski,J Suarez Gonzalez,M Akbiyik,J Sturdy,M Bartók,D Winterbottom,Y Mao,M Zanetti,D Mason,A Ranieri,S De Visscher,S Oliveros,A Yagil,A Gilbert,R Vilar Cortabitarte,F Torres Da Silva De Araujo,G Rauco,T Peltola,M Spanring,B Pavlov,K Beernaert,A Magitteri,N Faltermann,A Bhardwaj,N Parashar,U Husemann,E Starling,Z Tsamalaidze,R Bhandari,W Li,P Ronchese,G Hall,P Parygin,P Juillot,N Marinelli,V Perelygin,D Cussans,G Sieber,V Hegde,T Järvinen,N De Filippis,M Bachtis,D Velicanu,M Selvaggi,A Hart,M Monteno,S Ha,M Kirakosyan,G Mandorli,C Barth,N Kellams,R Barbieri,A Venturi,J Nachtman,D Kovalskyi,L Calligaris,Z Lesko,M Dragicevic,P Raics,J Luetic,N Srimanobhas,A Dabrowski,S Tavernier,E Gurpinar,B Chazin Quero,M Szleper,M Kasemann,E Manoni,D Berry,K Lipka,A Levin,I Shvetsov,S Baur,C Fernandez Bedoya,M Plagge,S Ganjour,P Barria,S Mallios,R Castaldi,T Arndt,E Hughes,V Mariani,A Morton,A Delgado,D Troendle,V Sola,T Boccali,A Romero,F Romeo,A Levine,F Errico,K Goulianos,J Flix,R Shevchenko,P Merkel,K Bloom,G Rolandi,L Gray,K Deroover,P Gunnellini,W Mcbrayer,R Campanini,M Mohammadi Najafabadi,S Banerjee,C Battilana,K Mondal,G Safronov,H Ni,F Ptochos,M Pierini,R Bartek,A Beretvas,L Lloret Iglesias,R Di Maria,D Green,F Ambrogi,V Kim,J Hanlon,T Cornelis,J Duarte Campderros,G Fasanella,W Erdmann,C Heidegger,D Treille,E Tiras,P Petkov,S Pigazzini,K Uchida,P Thapa,D Lontkovskyi,L Pape,C Schnaible,L Viliani,M Naseri,F Fabbri,F Ferri,K Kadija,T J Kim ,S R Wagner ,H Białkowska ,J G Bian ,K Özdemir ,M Fernández ,M R Adams ,J P Chou ,L M Huertas Guativa ,A Çakır ,J R Gonźalez Ferńandez ,Wan Ahmad Tajuddin Wan Abdullah ,P M Ribeiro Cipriano ,S V Gleyzer ,P R Dudero ,H C Kaestli ,F M Pitters ,Raghav Kunnawalkam Elayavalli ,S I Cooper ,M L Vesterbacka Olsson ,M Kröhn ,J M Grados Luyando ,Sarah Seif El Nasr-Storey ,C C Peng ,D R Claes ,G I Veres ,B Akgün ,V Reković ,J Garay García ,Maksym Titov ,A Rácz ,G Önengüt ,Roman Mueller ,H Castilla‐Valdez ,Lloyd Stanley Durkin ,I K Furic ,I J Cabrillo ,J G Branson ,Y Yang ,L J Sanchez Rosas ,J A Brochero Cifuentes ,R López-Fernández ,J M Lawhorn ,G P Van Onsem ,G Mäggi ,Seth Conrad Zenz ,J B Singh ,A Çelik ,E A De Wolf ,А Спиридонов ,J Hoß ,Supratik Mukhopadhyay ,M A Wadud ,W J Womersley ,F Siklér ,D J Hofman ,S M Etesami ,M A Harrendorf ,G M Bilei ,D A Sanz Becerra ,K H M Kwok ,P G Mercadante ,V Lemaı̂tre ,U G Tok ,V Dūdėnas ,G Martı́nez ,D H Miller ,M U Mozer ,K A Ulmer ,G Y Jeng ,A W Jung ,M A Segura Delgado ,Benjamin Charles Radburn-Smith ,Gabriella Pugliese ,V E Barnes ,J E Cole ,S Sánchez Cruz ,M Ö Sahin ,J M Seixas ,P J Fernández Manteca ,J W Gary ,P Maksimović ,Д Педрини ,Michael Benjamin Andrews ,Y D Oh ,R M Brown ,T R Fernandez Perez Tomei ,T Ševa ,E A Yetkin ,A C Benvenuti ,J Andreä ,S A Wiederkehr ,Z S Demiroglu ,B W Allen ,J A Coughlan ,В Качанов ,T Q Nguyen ,M C Duran-Osuna ,A Rýd ,Y T Duh ,K Buńkowski ,J Malclès ,J Großmann ,T H Doan ,L A T Bauerdick ,J P Fernández Ramos ,L M Pant ,S Dubé ,M E Pol ,R A Manzoni ,J F Schulte ,I B Laktineh ,P G Verdini ,S Argirò ,V M Ghete ,Sarmad Masood Shaheen ,V Veszprémi ,C S Moon ,P K Rout ,H Oğul ,P H Chen ,H B Newman ,D A Hangal ,D De Jesus Damião ,Jesús Puerta Pelayo ,G Gökbulut ,J J Brooke ,P T Cox ,A Sánchez-Hernández ,Р Тенчини ,R P Gandrajula ,G L Pinna Angioni ,I González Caballero ,M Besançon ,J N Butler ,M Déjardin ,É Chapon ,Jui-Fa Tsai ,M T Meinhard ,A G Stahl Leiton ,D M Morse ,S B Oh ,Thomas Müller ,B Ujvári ,Hannsjoerg Artur Weber ,M Grünewald ,E W Vaandering ,I C Park ,M I Josa ,А Калинин ,Joaquin Emilo Siado ,W L Aldá Júnior ,Н Голубев ,S Perriès ,K F Chen ,D Blöch ,C Hajdú ,P E Karchin ,Daniel John Karmgard ,F L Navarria ,C H Shepherd-Themistocleous ,B L Winer ,T Šuša ,E C Chabert ,D Ferenček ,K Cankoçak ,Joern Schwandt ,Mirena Ivova Paneva ,H F Heath ,I R Tomalin ,S W Lee ,M W Arenton ,G Pásżtor ,W A Khan ,P K Netrakanti ,R M Harris ,K F Johnson ,L K Saini ,Ashish Kumar ,Peter Hansen ,K Höepfner ,W H Smith ,J G Acosta ,Alexey Volkov ,J R Vlimant ,S S Chhibra ,M M Baarmand ,M Csanád ,C Peña ,S B Beri ,Peter R Hobson ,J Królikowski ,K S Lee ,T A Gómez Espinosa ,G B Yu ,H R Hoorani ,I S Zorbakir ,Andrey Demiyanov ,A H Ball ,F Pauß ,Clemencia Mora Herrera ,G Gómez ,P Adžić ,D Horváth ,David Romero Abad ,J M Vizan Garcia ,M B Tonjes ,J M Hogan ,T Maënpaä ,E M Da Costa ,T K Aarrestad ,S M A Ghiasi Shirazi ,S C Tonwar ,M K Kiesel ,E Eşkut ,A A Bin Anuar ,A C Mignerey ,B R Yates ,J D Ruiz Alvarez ,N V Tran ,M Calderón De La Barca Sánchez ,J H Kim ,A V Gritsan ,S C Eno ,R Reyes-Almanza ,N Godinović ,Kin Ho Lo ,P K Behera ,H W K Cheung ,M A Shah ,I D Sandoval Gonzalez ,J K Heikkilä ,L F Chaparro Sierra ,M N Yusli ,Jae Hoon Lim ,M C Fouz ,S Czellár ,P Martínez Ruiz Del Arbol ,Gian Michele Innocenti ,E E Kangal ,S P Ratti ,Feng Liu ,G R Snow ,D M Newbold ,M J Costa ,Sanjeev Kumar ,M A Mahmoud ,M A Ciocci ,L Felď ,G E Bruno ,P C Bhat ,U K Yang ,Fábio Lúcio Alves ,E Clément ,Andy Parker ,A Calderón ,F J M Geurts ,G M Dallavalle ,G G Da Silveira ,G B Cerati ,S M Tan ,S K Park ,R D Field ,I A Cali ,C Tuvé ,J D Tapia ∋Takaki ,M M Obertino ,C E Gerber ,J L Rodriguez ,G S F Stephans ,J S H Lee ,Rocky Bala Garg ,M J Kortelainen ,D Kotliński ,J B Sauvan ,W J Spalding ,J S Kim ,A Polatöz ,A García-Bellido ,D J A Cockerill ,D H Moon ,Rajdeep Mohan Chatterjee ,P H Butler ,D H Kim ,Deepak Kumar Sahoo ,C F Gonźalez Herńandez ,Wolfram Dietrich Zeuner ,J A Merlin ,Stefan Michael Heindl ,A L Pequegnot ,M T Lucchini ,P Milenović ,N Béni ,V Brigljević ,P A Razis ,M N Bakirci ,V D Elvira ,B C Choudhary ,S J Qian ,D M Raymond ,O González López ,Alberto Orso Maria Iorio ,H J Simonis ,V R Tavolaro ,J Fernández Menéndez ,Y F Liu ,Kristan Allan Hahn ,N Filipović ,M W Ather ,M Lipiński ,O Long ,J F De Trocóniz ,A T Meneguzzo ,Sergio F Novaes ,H Flächer ,C H Jiang ,J R Komaragiri ,M V Nemallapudi ,C A Carrillo Montoya ,F A Triantis ,G Hamel De Monchenault ,Y R Joshi ,W T Ford ,Maria Florencia Canelli ,G P Heath ,V J Smith ,I D Reid ,John Michael Marraffino ,R I Rabadán-Trejo ,A K Mohanty ,J C Ruiz Vargas ,E M Gregores ,B Wysłouch ,M T Grippo ,C Ávila ,G N Kim ,T W Wang ,F R Cavallo ,C Martínez Rivero ,B M Joshi ,J P Cumalat ,G M Chen ,M E Dinardo ,D Ćutts ,K Öcalan ,R Démina ,Silvia Goy López ,I Hoş ,E J Tonelli Manganote ,A K Kalsi ,Yu‐Wei Chang ,Yuan Li ,J M Hernández ,S V Rusakov ,M A B Md Ali ,D C Son ,R K Dewanjee ,Guillelmo Gomez Ceballos ,Y Güler ,F Özok ,S Đurić ,H D Yoo ,J S Wood ,T Y Ling ,J Milošević ,B P Padley ,J L Faure ,H A Salazar Ibarguen ,N J Hadley ,H S Chen ,F M Stober ,Mara Senghi Soares ,В Сулимов ,P D Luckey ,Z A Ibrahim ,D H Zhu ,F Nessi‐Tedaldi ,R Y Zhu ,S S Yu ,Y H Shin ,A G Delannoy ,A C Marini ,Ž Antunović ,R R Betts ,Chia‐Ming Kuo ,Z Szillási ,M S Kim ,Karl Matthew Ecklund ,Z L Trócsányi ,M Schmitt ,S Swain ,B E Cox ,G B Mohanty ,J R Patterson ,J Molnár ,K Sandeep ,В Жуков ,O Buchmüller ,H W Wulsin ,J Königsberg ,Merve Nazlım Ağaras ,C A Bernardes ,R G Kellogg ,G P Siroli ,G A Alves

doi:10.1103/physrevlett.121.242301

Abstract

Measurements of fragmentation functions for jets associated with an isolated photon are presented for the first time in pp and Pb-Pb collisions. The analysis uses data collected with the CMS detector at the CERN LHC at a nucleon-nucleon center-of-mass energy of 5.02TeV. Fragmentation functions are obtained for jets with p_{T}^{jet}>30 GeV/c in events containing an isolated photon with p_{T}^{γ}>60 GeV/c, using charged tracks with transverse momentum p_{T}^{trk}>1 GeV/c in a cone around the jet axis. The association with an isolated photon constrains the initial p_{T} and azimuthal angle of the parton whose shower produced the jet. For central Pb-Pb collisions, modifications of the jet fragmentation functions are observed when compared to those measured in pp collisions, while no significant differences are found in the 50% most peripheral collisions. Jets in central Pb-Pb events show an excess (depletion) of low (high) p_{T} particles, with a transition around 3 GeV/c. This measurement shows for the first time the in-medium shower modifications of partons (quark dominated) with well-defined initial kinematics. It constitutes a new well-controlled reference for testing theoretical models of the parton passage through the quark-gluon plasma.

Highlights

A deconfined state of quarks and gluons, called the quark-gluon plasma (QGP) [1], is believed to be produced on a short timescale in high energy nucleus-nucleus collisions [2]
A pair of partons in the colliding nuclei undergoes a high transverse momentum scattering, a process that occurs over a shorter timescale
As they pass through and interact with the QGP, the scattered partons lose some of their energy [3,4,5,6,7,8]

Summary

ATLAS fication

2.76 TeV with the ATLAS Detector, Phys. B. CMS Collaboration, Measurement sections in pp and PbPb collisions of at pinffiscffiffiNlffiuffiNffiffisi1⁄4ve2.j7e6t cross TeV, Phys. CMS PbPb aCnodllpapbocroaltliiosnio, nMs aetaspurffisffieffiNffimffiNffiffie1⁄4nt of jet fragmentation 2.76 TeV, Phys.

ATLAS in Pb þ

Findings

Jet pp