Measurement of event-shape observables in [Formula: see text] events in pp collisions at [Formula: see text][Formula: see text] with the ATLAS detector at the LHC.

G Aad,B Esposito,C M Hawkes,M Battaglia,E Benhar Noccioli,R S Orr,J M Iturbe Ponce,S Argyropoulos,J P Thomas,P De Jong,Y Sakurai,L La Rotonda,G Anders,E Graziani,Yu A Tikhonov,D Pohl,G Rahal,W H Bell,A A E Bannoura,J L La Rosa Navarro,R M Barnett,A Lopez Solis,T Dohmae,M Marx,D M Gingrich,R R M Fletcher,M J Woudstra,L Duguid,I Chalupkova,R Subramaniam,J A Klinger,M Della Pietra,H Zhu,S De Cecco,G Carlino,S P Ahlen,D I Narrias Villar,P Grafström,G Marchiori,M Deliyergiyev,J B Liu,A D Hawkins,B Nicquevert,E L Barberio,F Safai Tehrani,J R Bensinger,L F Marti,F M Giorgi,L Lopes,R Bartoldus,D Paredes Hernandez,G Eigen,J A Bogaerts,S H Oh,S Yamamoto,D Álvarez Piqueras,Ph Schwemling,S H Robertson,A Ferretto Parodi,B Sarrazin,G Introzzi,C Dallapiccola,K J C Leney,J H N Rosten,D Lopez Mateos,B Gaur,M Garcia-Sciveres,C T Potter,P J Clark,M Rammensee,Y Li,A T Goshaw,F Lo Sterzo,M J Shochet,A Di Girolamo,J R Carter,S Errede,J Boudreau,A Juste Rozas,S Tanaka,A Loginov,L Manhaes De Andrade Filho,M King,N D Patel,K Ntekas,E Torró Pastor,E Fullana Torregrosa,C Di Donato,A Onofre,W Edson,Ph Schwegler,J Stahlman,C Geng,M E Pozo Astigarraga,R C W Henderson,S Tapia Araya,Y F Ryabov,G Ciapetti,R Camacho Toro,G H A Viehhauser,L F Oleiro Seabra,V Andrei,S Youssef,P Skubic,B Lopez Paredes,L Zanello,S De Castro,G Polesello,S Timoshenko,B Gibbard,G Mikenberg,C A Solans Sanchez,N Amram,V Kartvelishvili,D Jennens,J Maneira,S Kaneti,M Proissl,I M Gregor,G Susinno,T Scanlon,Y Jiang,D De Pedis,C J Oram,R Santonico,L E Price,M Mikuž,S Farrell,J Nadal,J Montejo Berlingen,A Glazov,B M Waugh,M Zur Nedden,N Giokaris,N L Abraham,A Kobayashi,D Boscherini,J D Hansen,A Di Domenico,S Donati,N De Groot,B K B Chow,A Di Ciaccio,E Magradze,J Llorente Merino,T Cuhadar Donszelmann,M Shimojima,E Yu Soldatov,Y Amaral Coutinho,H M Braun,A Pacheco Pages,D Lissauer,A Maio,L S Ancu,T Mueller,D Guest,L M Mir,R K Daya-Ishmukhametova,I Van Vulpen,A Boveia,S Willocq,T M Hong,Ph Schune,P Giromini,Pa Malecki,H Khandanyan,M Volpi,Y Huang,K Sliwa,B Martin Dit Latour,D Della Volpe,T Kawamoto,Y Hernández Jiménez,D Fassouliotis,T Ženiš,J E Sundermann,T Del Prete,R Cantrill,W Bhimji,K G Tan,M Beretta,A Seiden,J Del Peso,E Bergeaas Kuutmann,M Wittgen,P M Watkins,W-M Yao,M D M Capeans Garrido,P D Thompson,D V Dedovich,J A Aguilar-Saavedra,K H Hiller,E Perez Codina,J E García Navarro,A Borisov,C Conta,G Gonzalez Parra,L Aperio Bella,G Duckeck,M El Kacimi,K Nakamura,W J Murray,A Korn,N Van Eldik,M Losada,T Schwindt,E Jansen,E B F G Knoops,K P Mistry,S Schaetzel,L K Gladilin,M Rescigno,R P Middleton,B Di Micco,E Hines,L Masetti,S Jin,Y Davygora,I J Watson,J Van Nieuwkoop,G Compostella,S B King,S Cabrera Urbán,O Le Dortz,M C Van Woerden,P A Bruckman De Renstrom,K M Mercurio,C Da Via,J Schwindling,G Sauvage,L Köpke,F G Oakham,Y Sasaki,J G Panduro Vazquez,A De Benedetti,M P Sanders,R Van Der Geer,F De Lorenzi,S J Wollstadt,E Romero Adam,H Kagan,D Puldon,A S Thompson,A C König,S Passaggio,B G Pope,P M Tuts,H G Sander,M Crispin Ortuzar,L A Kogan,P Morettini,R E Ticse Torres,A Ezhilov,T Todorov,B A Long,M Kuze,H P Skottowe,M Leyton,B Jackson,A M Zaitsev,T P A Åkesson,A R Weidberg,C A Chavez Barajas,A A Nepomuceno,C Deluca,A T Watson,J Silva,Y Bai,R Madar,A Hasib,V Sanchez Martinez,Y Benhammou,F Marzano,D P Benjamin,A Soloshenko,L Nodulman,V Consorti,O E Vickey Boeriu,S Yu Smirnov,Y Guo,A Gomes,H Pirumov,M Franklin,A Koutsman,M Stanescu-Bellu,S J Sekula,D Rodriguez Rodriguez,G N Taylor,B R Mellado Garcia,J Albert,D E Ferreira De Lima,B Di Girolamo,T Kohriki,E Thomson,S V Mouraviev,J Tanaka,S P Y Yuen,J C Hill,A Artamonov,P A Delsart,V Chernyatin,N Lorenzo Martinez,E V Bouhova-Thacker,A Polini,R Caputo,T B Sjursen,Z Hajduk,H De La Torre,A Gascon Bravo,S González De La Hoz,A Basye,K Kasahara,C Schmitt,D Simon,L Feremenga,F Salvatore,I Rubinskiy,A L S Schorlemmer,E Le Guirriec,S A Olivares Pino,A T H Arce,W K Di Clemente,K Potamianos,M Pedersen,J A Parsons,D A Soh,R Ishmukhametov,D Chakraborty,J E Pilcher,R Cherkaoui El Moursli,R J Hawkings,S L Wu,V Scharf,A N Karyukhin,M A Baak,D M Seliverstov,A Irles Quiles,E Torrence,G T Fletcher,P K Teng,F Khalil-Zada,G Cortiana,H A Neal,L Tremblet,F Friedrich,M P Giordani,P C Van Der Deijl,L A M Wiik-Fuchs,M Karnevskiy,A P Colijn,P F Giraud,K J Anderson,A Bruni,J Beringer,M J Tibbetts,A V Akimov,J Huston,P Lichard,T Lari,H Von Der Schmitt,H Meyer Zu Theenhausen,U De Sanctis,H Van Der Graaf,W Kozanecki,B D Cooper,F Luehring,B A Dolgoshein,O Rosenthal,J E Salazar Loyola,R Yoshida,A Palma,S P Amor Dos Santos,E Von Toerne,M Trottier-Mcdonald,A Kruse,A A Korol,M Faucci Giannelli,K W Mcfarlane,A T Doyle,C Limbach,M Vranjes Milosavljevic,K K Gan,R Di Nardo,E P Le Quilleuc,H Czirr,A Salamon,A L Yen,P Nevski,A J Barr,R Kowalewski,P Gagnon,M J Oreglia,B Martin,M Cooke,A Nikiforov,M A B Do Vale,L R Flores Castillo,Z Vykydal,A Kapliy,C Zeitnitz,J A Murillo Quijada,C Padilla Aranda,J K Kraus,W Van Den Wollenberg,H Ten Kate,P Van Gemmeren,S P Denisov,R E Blair,M Moreno Llácer,J Barreiro Guimarães Da Costa,A M Cooper-Sarkar,S Gadomski,A La Rosa,P Mättig,A Canepa,N G Gutierrez Ortiz,W D Breaden Madden,N S Dann,M J Da Cunha Sargedas De Sousa,S Malyukov,G Volpi,D Shoaleh Saadi,S Heim,R E Long,V M Kotov,S Fernandez Perez,N C Mc Fadden,J E Brau,B Åsman,A J Lankford,A Di Simone,R J Teuscher,G Savage,J Bilbao De Mendizabal,A Pranko,W Blum,G A Chelkov,D Levin,P Sinervo,D Hall,Y Ilchenko,A De Salvo,M Tyndel,T Kono,J-Y Hostachy,L Barranco Navarro,C Schwanenberger,J Griffiths,S Viel,G Hughes,A B Fenyuk,J Proudfoot,P C F Glaysher,E Piccaro,U Mallik,S M Romano Saez,J Rothberg,M Hohlfeld,F Anulli,K Amako,J Machado Miguens,J Wetter,J Wotschack,M Cano Bret,V Castillo Gimenez,F S Merritt,A De Santo,F J Munoz Sanchez,A Lanza,S P Mc Kee,W S Lockman,F M Garay Walls,B Stugu,T P S Gillam,S Prell,A M Wharton,M J Alconada Verzini,R F Naranjo Garcia,E J W Moyse,A Firan,R Sandstroem,D Amidei,C Haber,D Gillberg,C Cuthbert,M C N Fiolhais,M Barisonzi,T J Neep,L Mandelli,J Ocariz,H Ghazlane,P S Wells,J Y C Tam,D Oliveira Damazio,J D Bossio Sola,R Caminal Armadans,D Su,S George,I Massa,S Pagan Griso,V S Bobrovnikov,B H Brunt,Q Ouyang,Y Komori,Y A Kurochkin,V Sopko,P Haefner,T Moa,H Namasivayam,A M Henriques Correia,W Mohr,A Andreazza,K A Johns,R Ueno,P Chang,J C Vermeulen,P Johansson,I Santoyo Castillo,R L Mccarthy,J Zhong,A S Kozhin,R Di Sipio,A Farilla,V R Lacuesta,T Kobayashi,F Rauscher,N C Edwards,P H Sales De Bruin,N B Sinev,T Theveneaux-Pelzer,V Rossetti,T Ince,S Cole,M Abolins,F Parodi,S Yu Sivoklokov,P Farthouat,A A Minaenko,C Maiani,S Zimmermann,K K Temming,A Ferrer,C Lapoire,A Di Mattia,R Piegaia,L Bellagamba,J A Valls Ferrer,D Di Valentino,F K Loebinger,M Medinnis,C P Ward,S Albrand,O M Kind,K Bos,G Calderini,H H Williams,R F Y Peters,G Mc Goldrick,C N P Gee,F Lasagni Manghi,M A L Leite,D P C Sankey,M Morii,Y Kulchitsky,V Boldea,R D Schamberger,S Nektarijevic,L Di Ciaccio,M I Gostkin,B Pearson,S H Kim,O Simard,G Lehmann Miotto,R De Asmundis,В М Малышев ,O Gueta,N Zakharchuk,E J Feng,G H Herbert,A C Schaffer,L Rinaldi,K Lie,S Xella,Q Buat,M Zeman,B L Clark,G Kawamura,D Muenstermann,R Spighi,T A Martin,W F Mader,H Liu,D Iliadis,O Zenin,M C Mondragon,E Banaś ,E Gramstad,X Sun,M Mikeštíková ,I R Boyko,C Deterre,P Francavilla,L Brenner,E Koffeman,C Chen,A Ovcharova,S Ghasemi,K Becker,V Vacek,D Hirschbuehl,N B Atlay,A Amorim,A Forti,W J Dearnaley,M Bianco,V Lyubushkin,Martin Schumacher ,R Peschke,N Bruscino,M A Díaz ,S Němeček ,P A Love,Y C Yap,L Serin,C Lacasta,Steffen Staerz ,M Aoki,T Harenberg,M Escalier,S V Chekulaev,M Goblirsch-Kolb,C Anastopoulos,P Ioannou,M Trovatelli,J Metcalfe,G Cottin,N Rompotis,S Berlendis,J Nielsen,A Farbin,G Navarro,I Deigaard,W Dąbrowski ,J Veatch,M Ouchrif,R Reece,S Sultansoy,F Muêller ,P Czodrowski,F Malek,M Atkinson,B Lenzi,L Tomlinson,M Alhroob,N P Dang,M Beckingham,T Wengler,W Liebig,A Mengarelli,P Wienemann,P Starovoitov,T Golling,P Bagiacchi,H Feng,A A Elliot,S Constantinescu,K Prokofiev,C Clément ,Z Rurikova,J Saxon,G Sokhrannyi,H C Cheng,J Jovicevic,S Groh,C Meineck,J Dolejší ,S C Seidel,I López Paz ,A Campoverde,S A Stucci,X Wu,D Duda,J Dopke,S Gkaitatzis,Dj Šijački ,J Braciník ,P G Hamnett,S J Batista,T Okuyama,U Schäfer,A Marzin,M C Kruse,I Nikolic-Audit,M F Watson,M Wielers,B A Petersen,C Gemme,C Nellist,H P Beck,T Buanes,P Iengo,M Zinser,A Sansoni,J M Izen,N Wermes,M T Dova,V Ippolito,I Nomidis,S Palestini,B Zhou,H Abreu,V J Martin,D Puddu,A Baroncelli,A Oh,N Makovec,L J Armitage,K Chen,K Pommès,E Pianori,T Kondo,S P Alkire,R Kukla,A Kaluza,E Kajomovitz,E Stanecka,A M Litke,P Butti,E Drechsler,B Yabsley,A Kravchenko,Z Marshall,K Suruliz,P J Lösel,M Dris,D Golubkov,V I Ruď ,E G Tskhadadze,K Hamano,M Donadelli,B Hooberman ,Y Zhao,N A Rusakovich,B J Gallop,E Hill,O Kortner,N V Biesuz,M Geisler ,S Calvet,S Manzoni,C Glasman,S Chan ,A Dattagupta,S A Çetin ,A Olszewski,A Gongadze,M Hoffmann ,J Ivarsson,P Sherwood,M Bedognetti,N Javadov,K Augsten,A Pin ,R W Stanek,P Klimek,C Schiavi,M Demichev,V M M Cairo ,S B Silverstein,B Ristić,V V Kostyukhin,C Ferretti,V Smakhtin,K Karakostas,A Sood,S Bressler,G Mornacchi,M Pagáčová,G Usai,M Morinaga,G Piacquadio,K Shaw,B C Sowden,R A Mcpherson,P Tas,T Andeen,M Sandhoff,Z Zhang,P Giannetti,T Wenaus,T Nobe,M Lefebvre,K Yoshihara,X Zhao,J R Catmore,P Rados,D A Scannicchio,K Hara,A Cheplakov,M Nomachi,F O’Grady,P F Harrison,P Stríženec ,Andy Parker ,J Henderson,P S Miyagawa,A Robichaud-Véronneau ,E Yildirim,L G Gagnon,E Etzion,T Cornelissen,G Stoicea,E Pasqualucci,H Schulz,L Smestad,O Brandt,M Marčišovský ,S Schmitt,D South,K Assamagan,A F Saavedra,A S Hard,C W Kalderon,L M Veloce,F Nuti,R B Nickerson,L Cerdá Alberich ,E B Diehl,I Ibragimov,D Ferrère ,M Vogel,P Balek,A Demilly,L Roos,F Siegert,P Steinberg,F Ellinghaus,И И Цукерман ,S Mehlhase,G Unal,A G Bogdanchikov,B E Cox,Masaki Endo ,A Rimoldi,J Manjarrés Ramos ,E N Thompson,R Slovak,A M Leyko,J Ernst,A Castelli,O C Endner,A Affolder ,E Le Ménédeu ,E Meoni,J M Butterworth,U Bratzler,G Brooijmans,W Walkowiak,C Meyer,S Miglioranzi,J Zhang,G Redlinger,H Esch,M Martı́nez ,J Khubua,M Weber ,S Terada,N Kimura,Y Unno,A Nisati,A Tudorache,J Brosamer,G H Stark,S Jiggins,A Maevskiy,L P Calôba ,C R Goudet,M Bruschi,R Poettgen,S J Crawley,R Leone,C C Ohm,T Cao,A Doria,R Aben,A Gershon,C Valderanis,W Lavrijsen,Z D Greenwood,P Fleischmann,W Trischuk,R Rezvani,F Hariri,M Romano,M E Stramaglia,H Ren,C Royon ,M D Beattie,D Höhn ,E Ertel,C Gwenlan,E Cavallaro,S Amoroso,J Fuster,L A Thomsen,A Gorišek,D Sidorov,F Ould-Saada,H Krüger,F A Dias,J Bouffard,T Javůrek,M Ughetto,W Verkerke,P Hanke,V Scarfone,M Kobel,S Cheatham,P Pais,L Perini,S C Lin,F Huegging,D Büscher,V S Lang,M Fraternali,P Camarri,M Nessi,G Gaycken,R Hertenberger,J Jongmanns,B Cole,L Helary,C Giuliani,J Levêque,S Falciano,F Balli,F Wang,V Izzo,N Venturi,A R Stradling,J A Raine,R Stroynowski,A Jinaru,M Ghneimat,K E Varvell,G Lerner,P Anger,M Kagan,O L Fedin,C Luci,Y Coadou,T Saito,T Sýkora ,P Rose,J Hejbal,R Lafaye,R D Harrington,T Blažek ,F Guescini,E Ros,M Arratia,L Gauthier,R Bielski,A Hrynevich,J Ye,V Nikolaenko,L Zhang,E Kneringer,L Zwalinski,S Gadatsch,I Ochoa,N Andari,A Liblong,S Pataraia,C Doglioni,N Lu,M Haleem,E Duchovni,H Santos,K Gregersen,N Asbah,C Gabaldon,J Glatzer,A Zaman,O K Baker,H Arnold,T Kwan,J L Pinfold,D Madaffari,R Seuster,N Valencic,C Zhou,A Mccarn,E Khramov,S Lai,S Rajagopalan,J Ferrando,C Y Shehu,A Rozanov,T Eifert,R Ospanov,S Shrestha,E V Korolkova,D Bertsche,A Picazio,M Mosidze,R Schwienhorst,D Nguyen ,J De Vivie De B Regie ,K Liu,L Y Shan,J Keller ,H Ma,J A Frost,J Penwell,C Rembser,A Cerri,V A Kramarenko,E Ladygin,P Teixeira-Dias,N R Bernard,J Jentzsch,M Pitt,T Barillari,J Cummings,F Meloni,M Smižanská ,L Fiorini,C Gütschow ,A B Kowalewska,Y Nagasaka,A Brandt,Andrew Beddall ,J Schaeffer,M W Wolter,A Lister,J Monk,P Bagnaia,N Hod,A Undrus,J Terrón ,F Cirotto,F Seifert,C Gay,M A Pleier ,Y L Liu,H.‐C Schultz‐Coulon ,M Przybycień ,K Toms,S Henrot-Versillé ,J Duarte-Campderros,V Šimák ,O Benary,M Verducci,S W Weber,S Raddum,O Gabizon,J Gramling,M Saimpert,E Simioni,C Bécot ,K Hanagaki,S Hageböck,U Klein,S Koperny,J D Chapman,K Tackmann,R Debbe,L Paolozzi,I Vivarelli,B Dutta,L March,W Taylor,E Rossi,X Ruan,S Blunier,J E Derkaoui,X Lou,N Benekos,I A Cioară ,F Hoenig,H S Hayward,A Washbrook,E.-E Kluge,G Chiarelli,S Giagu,R W Gardner,A White,G Gagliardi,B Simmons,T R Holmes,D Costanzo,F Spanò,E Sauvan,E Petrolo,W A Cribbs,M Bessner,F Corriveau,F Hubaut,V O Tikhomirov,S Odaka,H Oide,H Wang,M Hirose,Y L Chan,E Shabalina,P Schacht,M Corradi,A Wildauer,T Flick,A Nelson,J A Wilson,P Bussey,R J Falla,D Xu,S Biondi,Y Arai,B Brau,G Cowan,J W Hetherly,D Britton,E Dawe,M Becker,S Kuleshov,B P Nachman,D Rousseau,R Klingenberg,D A Milstead,Hiroshi Takeda ,R Tafirout,K Reeves,M Petrov,D Dobos,A Tavares Delgado,W Lampl,G T Forcolin,W C Fisher,C F Anders,T Naumann,C Böhm ,A Messina,A Llères ,K Belotskiy,T Bołd ,R Takashima,D Fournier,M Testa,V Christodoulou,F Cardillo,S Elles,R Pezoa,H Wolters,K Kawade,A Strandlie,J Tóth ,J Kvita,T Löhse ,E Cheu,L E Pedersen,G Kramberger,P Gallus,N P Readioff,S Suzuki,C Unverdorben,C Meroni,J Faltova,M Rotaru,S Kuehn,Y Wu,T Koi,V Hedberg,M Liu,O L Rezanova,U Blumenschein,M Nagel,I A Bertram ,Z Doležal ,H Öhman ,J Sjölin,M Werner,C Weiser,B Liberti,C Guyot,B Axen,J Boyd,S Stamm,M Levchenko,S Nowak,S C Lee,S Henkelmann,T Pauly,L Cerrito,J Howarth,J M Yu,I Yeletskikh,L Sawyer,K M Black,S Adomeit,F A Teischinger,E Gorini,V Morisbak,T Brooks,A Miucci,W Lukas,A J Horton,M Wu,H Keoshkerian,L Bianchini,A Filipčǐc ,A Soffer,J Hays ,Y Hasegawa,J Bortfeldt,K Nagai,Peter Hansen ,E J Gallas,V Gratchev,N Besson,T Nooney,M J Flowerdew,C Bini,B M M Allbrooke,R Jansky,W K Brooks,N Calace,J Guenther,O Stelzer-Chilton,M Aleksa,R L Bates,F Déliot ,R Brunelière ,B Mindur,I Fleck,B Li,S Wahrmund,M Ridel,A Ventura,F Giuli,K Yorita,J Thomas-Wilsker,Y Rozen,V P Maleev,A G Goussiou,K Zengel,E Yatsenko,E Shulga,H Hakobyan,C A Lee,S Kersten,L Shi,E Higón-Rodriguez,A Catinaccio,H Severini,S Asai,A A Maier,Y Kataoka,G Vardanyan,L Beresford,G Azuelos,M Gignac,L Liu,R Kass ,S M Gibson,S Tsuno,M C Vetterli,D Ta,S Mohapatra,T Kubota,A Kourkoumeli-Charalampidi,S Pires,S Goldfarb,E Ideal,J Agricola,T Lazovich,N W Shaikh,P R Newman,A Poley,M S Neubauer,M Bauce,R E Owen,А А Комар ,O Arnaez,H Kroha,O A Ducu,Z Zinonos,J E Black,F Dittus,B C Cerio,B Alvarez González ,D Lynn,S Stapnes,B Weinert,M Myška ,M K Ayoub,M Schioppa,K Meier,S Grinstein,J Dingfelder,A Floderus,S Gupta,T Koffas,H Abramowicz,T Trefzger,B Abeloos,M Schreyer,H G Wilkens,S Schlenker,M Klein,O Sasaki,M Marjanović ,J Zalieckas,F Scuri,C Leggett,R White,A Usanova,L Xu,S Turchikhin,M Queitsch-Maitland,H J Maddocks,J T Shank,V Vercesi,M M Perego,O Viazlo,P J Hsu,A Chegwidden,C Bertella,D Liu,А Антонов ,M G Alviggi,Yingchun Zhu ,N Ellis,R Monden,Y Rodina,B Burghgrave,K Onogi,J D Morris,P A Gorbounov,B Abbott,S Molander,J K Nilsen,R Hanna,M Ishitsuka,J Strandberg,D Temple,S Watts,Ç İşsever ,E Górnicki ,A D Pilkington,A Kamenshchikov,M Rybar,M Piccinini,J Rieger,M Biglietti,T R Wyatt,Z Gecse,J Mašík ,D Tsybychev,A Chafaq,C Debenedetti,G D Hallewell,G A Mullier,D Lellouch,N Tsirintanis,S Yacoob,J Wittkowski,A Cattai,C Bertsche,Y Du,C O Shimmin,M Svatoš ,U Landgraf,Q Zeng,K Peters,A Vest,T Heim,A G Buckley,C G Lester,A Straessner,M Villaplana Pérez ,K A Looper,E Panagiotopoulou ,P Pani,Τ Maier ,S Terzo,A Basalaev,A Kuhl,A I Mincer,P Conde Muíño ,J Huth,P U E Onyisi,S Meehan,B Stelzer,C Blocker,S Schmitz,D E Marley,M Kado,B Lund‐Jensen ,C Santoni,A Corso-Radu,T Mäshimo ,L Dell’Asta,P Stolte,M Rijssenbeek,H Bachacou,T Kunigo,A Limosani,V Büscher,M Cristinziani,P M Jorge,N L Belyaev,B Schneider,A A J Lesage,P Diţâ ,R Gonçalo,T Takeshita,A E Barton,F Wilk,M Kolb,S Vlachos,T B Huffman,W Fedorko,H Ogren,S Menke,D W Miller,C E Pandini,C Eckardt,T Ekelöf ,G Aielli,A Dewhurst,V Boisvert,Y Abulaiti,T Varol,E Brost,K Bendtz,T Dai,A Yamamoto,R Hickling,T Balestri,D Lacour,E Lobodzinska,A Zemla,J U Mjörnmark,M Nozaki,C B Gwilliam,M Bindi,A Hoecker,D Kar,B K Gjelsten,J Knapik,S Sacerdoti,J Elmsheuser,C Isaksson,A Zibell,E Monnier,D Orestano,D Derendarz,H M Gray,G Jarlskog,E Valdes Santurio,M A Parker,R Soualah,A Salzburger,W A Leight,M Cobal,G Mchedlidze,J Reichert,E Lançon,P Tipton,M Villa,C Kourkoumelis,S Tarem,L Živković,E Lipeles,D M Rebuzzi,W Guan,S Burdin,S Schaepe,B S Peralva,M Kuna,D Robinson,M Backhaus,V Radescu,S Jabbar,J P Araque,B D Schoenrock,G Sabato,J Lange ,R C Edgar,J Olszowska,D Schaefer,M P J Landon,K M Ecker,G Alexander,F A Arduh,G Avolio,S Iştin ,D Bortoletto,H Son,A Stabile,J Moss,K M Tsui,T Iizawa,M V Chizhov,A C Daniells,S Wenig,M Spousta,A Milic,V A Kantserov,D Salihagić ,N Barlow,J Walder,V Chiarella,V Kukhtin,K Schmieden,Th D Papadopoulou,I N Potrap,N F Castro,S N Karpov,S Hou,F Ceradini,C Gumpert,F Veloso,G Amundsen,S Chen,J Love,R Kopeliansky,D Moreno,J Howard,S Monzani,S 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Grossi,G Otero Y Garzón

doi:10.1140/epjc/s10052-016-4176-8

Abstract

Event-shape observables measured using charged particles in inclusive Z-boson events are presented, using the electron and muon decay modes of the Z bosons. The measurements are based on an integrated luminosity of 1.1~mathrm{fb}^{-1} of proton–proton collisions recorded by the ATLAS detector at the LHC at a centre-of-mass energy sqrt{s}=7 {mathrm{TeV}}. Charged-particle distributions, excluding the lepton–antilepton pair from the Z-boson decay, are measured in different ranges of transverse momentum of the Z boson. Distributions include multiplicity, scalar sum of transverse momenta, beam thrust, transverse thrust, spherocity, and {mathcal {F}}-parameter, which are in particular sensitive to properties of the underlying event at small values of the Z-boson transverse momentum. The measured observables are compared with predictions from Pythia 8, Sherpa, and Herwig 7. Typically, all three Monte Carlo generators provide predictions that are in better agreement with the data at high Z-boson transverse momenta than at low Z-boson transverse momenta, and for the observables that are less sensitive to the number of charged particles in the event.

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