Measurement of jet quenching with semi-inclusive hadron-jet distributions in central Pb-Pb collisions at root s(NN)=2.76 TeV
Adam, J. and Adamova, D. and Aggarwal, M. M. and Rinella, G. Aglieri and
Agnello, M. and Agrawal, N. and Ahammed, Z. and Ahn, S. U. and Aimo, I.
and Aiola, S. and Ajaz, M. and Akindinov, A. and Alam, S. N. and
Aleksandrov, D. and Alessandro, B. and Alexandre, D. and Alfaro Molina,
R. and Alici, A. and Alkin, A. and Almaraz, J. R. M. and Alme, J. and
Alt, T. and Altinpinar, S. and Altsybeev, I. and Garcia Prado, C. Alves
and Andrei, C. and Andronic, A. and Anguelov, V. and Anielski, J. and
Anticic, T. and Antinori, F. and Antonioli, P. and Aphecetche, L. and
Appelshaeuser, H. and Arcelli, S. and Armesto, N. and Arnaldi, R. and
Arsene, I. C. and Arslandok, M. and Audurier, B. and Augustinus, A. and
Averbeck, R. and Azmi, M. D. and Bach, M. and Badala, A. and Baek, Y. W.
and Bagnasco, S. and Bailhache, R. and Bala, R. and Baldisseri, A. and
Pedrosa, F. Baltasar Dos Santos and Baral, R. C. and Barbano, A. M. and
Barbera, R. and Barile, F. and Barnafoeldi, G. G. and Barnby, L. S. and
Barret, V. and Bartalini, P. and Barth, K. and Bartke, J. and Bartsch,
E. and Basile, M. and Bastid, N. and Basu, S. and Bathen, B. and
Batigne, G. and Camejo, A. Batista and Batyunya, B. and Batzing, P. C.
and Bearden, I. G. and Beck, H. and Bedda, C. and Behera, N. K. and
Belikov, I. and Bellini, F. and Bello Martinez, H. and Bellwied, R. and
Belmont, R. and Belmont-Moreno, E. and Belyaev, V. and Bencedi, G. and
Beole, S. and Berceanu, I. and Bercuci, A. and Berdnikov, Y. and
Berenyi, D. and Bertens, R. A. and Berzano, D. and Betev, L. and Bhasin,
A. and Bhat, I. R. and Bhati, A. K. and Bhattacharjee, B. and Bhom, J.
and Bianchi, L. and Bianchi, N. and Bianchin, C. and Bielcik, J. and
Bielcikova, J. and Bilandzic, A. and Biswas, R. and Biswas, S. and
Bjelogrlic, S. and Blanco, F. and Blau, D. and Blume, C. and Bock, F.
and Bogdanov, A. and Boggild, H. and Boldizsar, L. and Bombara, M. and
Book, J. and Borel, H. and Borissov, A. and Borri, M. and Bossu, F. and
Botta, E. and Boettger, S. and Braun-Munzinger, P. and Bregant, M. and
Breitner, T. and Broker, T. A. and Browning, T. A. and Broz, M. and
Brucken, E. J. and Bruna, E. and Bruno, G. E. and Budnikov, D. and
Buesching, H. and Bufalino, S. and Buncic, P. and Busch, O. and
Buthelezi, Z. and Butt, J. B. and Buxton, J. T. and Caffarri, D. and
Cai, X. and Caines, H. and Diaz, L. Calero and Caliva, A. and Calvo
Villar, E. and Camerini, P. and Carena, F. and Carena, W. and
Castellanos, J. Castillo and Castro, A. J. and Casula, E. A. R. and
Cavicchioli, C. and Ceballos Sanchez, C. and Cepila, J. and Cerello, P.
and Cerkala, J. and Chang, B. and Chapeland, S. and Chartier, M. and
Charvet, J. L. and Chattopadhyay, S. and Chattopadhyay, S. and
Chelnokov, V. and Cherney, M. and Cheshkov, C. and Cheynis, B. and
Barroso, V. Chibante and Chinellato, D. D. and Chochula, P. and Choi, K.
and Chojnacki, M. and Choudhury, S. and Christakoglou, P. and
Christensen, C. H. and Christiansen, P. and Chujo, T. and Chung, S. U.
and Chunhui, Z. and Cicalo, C. and Cifarelli, L. and Cindolo, F. and
Cleymans, J. and Colamaria, F. and Colella, D. and Collu, A. and
Colocci, M. and Balbastre, G. Conesa and del Valle, Z. Conesa and
Connors, M. E. and Contreras, J. G. and Cormier, T. M. and Morales, Y.
Corrales and Cortes Maldonado, I. and Cortese, P. and Cosentino, M. R.
and Costa, F. and Crochet, P. and Cruz Albino, R. and Cuautle, E. and
Cunqueiro, L. and Dahms, T. and Dainese, A. and Danu, A. and Das, D. and
Das, I. and Das, S. and Dash, A. and Dash, S. and De, S. and De Caro, A.
and de Cataldo, G. and de Cuveland, J. and De Falco, A. and De Gruttola,
D. and De Marco, N. and De Pasquale, S. and Deisting, A. and Deloff, A.
and Denes, E. and D'Erasmo, G. and Di Bari, D. and Di Mauro, A. and Di
Nezza, P. and Diaz Corchero, M. A. and Dietel, T. and Dillenseger, P.
and Divia, R. and Djuvsland, O. and Dobrin, A. and Dobrowolski, T. and
Domenicis Gimenez, D. and Doenigus, B. and Dordic, O. and Dubey, A. K.
and Dubla, A. and Ducroux, L. and Dupieux, P. and Ehlers, R. J. and
Elia, D. and Engel, H. and Erazmus, B. and Erdemir, I. and Erhardt, F.
and Eschweiler, D. and Espagnon, B. and Estienne, M. and Esumi, S. and
Eum, J. and Evans, D. and Evdokimov, S. and Eyyubova, G. and Fabbietti,
L. and Fabris, D. and Faivre, J. and Fantoni, A. and Fasel, M. and
Feldkamp, L. and Felea, D. and Feliciello, A. and Feofilov, G. and
Ferencei, J. and Fernandez Tellez, A. and Ferreiro, E. G. and Ferretti,
A. and Festanti, A. and Feuillard, V. J. G. and Figiel, J. and
Figueredo, M. A. S. and Filchagin, S. and Finogeev, D. and Fiore, E. M.
and Fleck, M. G. and Floris, M. and Foertsch, S. and Foka, P. and Fokin,
S. and Fragiacomo, E. and Francescon, A. and Frankenfeld, U. and Fuchs,
U. and Furget, C. and Furs, A. and Girard, M. Fusco and Gaardhoje, J. J.
and Gagliardi, M. and Gago, A. M. and Gallio, M. and Gangadharan, D. R.
and Ganoti, P. and Gao, C. and Garabatos, C. and Garcia-Solis, E. and
Gargiulo, C. and Gasik, P. and Germain, M. and Gheata, A. and Gheata, M.
and Ghosh, P. and Ghosh, S. K. and Gianotti, P. and Giubellino, P. and
Giubilato, P. and Gladysz-Dziadus, E. and Glaessel, P. and Ramirez, A.
Gomez and Gonzalez-Zamora, P. and Gorbunov, S. and Goerlich, L. and
Gotovac, S. and Grabski, V. and Graczykowski, L. K. and Graham, K. L.
and Grelli, A. and Grigoras, A. and Grigoras, C. and Grigoriev, V. and
Grigoryan, A. and Grigoryan, S. and Grinyov, B. and Grion, N. and
Grosse-Oetringhaus, J. F. and Grossiord, J. -Y. and Grosso, R. and
Guber, F. and Guernane, R. and Guerzoni, B. and Gulbrandsen, K. and
Gulkanyan, H. and Gunji, T. and Gupta, A. and Gupta, R. and Haake, R.
and Haaland, O. and Hadjidakis, C. and Haiduc, M. and Hamagaki, H. and
Hamar, G. and Hansen, A. and Harris, J. W. and Hartmann, H. and Harton,
A. and Hatzifotiadou, D. and Hayashi, S. and Heckel, S. T. and Heide, M.
and Helstrup, H. and Herghelegiu, A. and Herrera Corral, G. and Hess, B.
A. and Hetland, K. F. and Hilden, T. E. and Hillemanns, H. and
Hippolyte, B. and Hosokawa, R. and Hristov, P. and Huang, M. and
Humanic, T. J. and Hussain, N. and Hussain, T. and Hutter, D. and Hwang,
D. S. and Ilkaev, R. and Ilkiv, I. and Inaba, M. and Ippolitov, M. and
Irfan, M. and Ivanov, M. and Ivanov, V. and Izucheev, V. and Jacobs, P.
M. and Jadlovska, S. and Jahnke, C. and Jang, H. J. and Janik, M. A. and
Jayarathna, P. H. S. Y. and Jena, C. and Jena, S. and Bustamante, R. T.
Jimenez and Jones, P. G. and Jung, H. and Jusko, A. and Kalinak, P. and
Kalweit, A. and Kamin, J. and Kang, J. H. and Kaplin, V. and Kar, S. and
Uysal, A. Karasu and Karavichev, O. and Karavicheva, T. and Karayan, L.
and Karpechev, E. and Kebschull, U. and Keidel, R. and Keijdener, D. L.
D. and Keil, M. and Khan, K. H. and Khan, M. M. and Khan, P. and Khan,
S. A. and Khanzadeev, A. and Kharlov, Y. and Kileng, B. and Kim, B. and
Kim, D. W. and Kim, D. J. and Kim, H. and Kim, J. S. and Kim, M. and
Kim, M. and Kim, S. and Kim, T. and Kirsch, S. and Kisel, I. and
Kiselev, S. and Kisiel, A. and Kiss, G. and Klay, J. L. and Klein, C.
and Klein, J. and Klein-Boesing, C. and Kluge, A. and Knichel, M. L. and
Knospe, A. G. and Kobayashi, T. and Kobdaj, C. and Kofarago, M. and
Kollegger, T. and Kolojvari, A. and Kondratiev, V. and Kondratyeva, N.
and Kondratyuk, E. and Konevskikh, A. and Kopcik, M. and Kour, M. and
Kouzinopoulos, C. and Kovalenko, O. and Kovalenko, V. and Kowalski, M.
and Meethaleveedu, G. Koyithatta and Kral, J. and Kralik, I. and
Kravcakova, A. and Krelina, M. and Kretz, M. and Krivda, M. and Krizek,
F. and Kryshen, E. and Krzewicki, M. and Kubera, A. M. and Kucera, V.
and Kugathasan, T. and Kuhn, C. and Kuijer, P. G. and Kulakov, I. and
Kumar, A. and Kumar, J. and Kumar, L. and Kurashvili, P. and Kurepin, A.
and Kurepin, A. B. and Kuryakin, A. and Kushpil, S. and Kweon, M. J. and
Kwon, Y. and La Pointe, S. L. and La Rocca, P. and Fernandes, C. Lagana
and Lakomov, I. and Langoy, R. and Lara, C. and Lardeux, A. and Lattuca,
A. and Laudi, E. and Lea, R. and Leardini, L. and Lee, G. R. and Lee, S.
and Legrand, I. and Lehas, F. and Lemmon, R. C. and Lenti, V. and
Leogrande, E. and Leon Monzon, I. and Leoncino, M. and Levai, P. and Li,
S. and Li, X. and Lien, J. and Lietava, R. and Lindal, S. and
Lindenstruth, V. and Lippmann, C. and Lisa, M. A. and Ljunggren, H. M.
and Lodato, D. F. and Loenne, P. I. and Loginov, V. and Loizides, C. and
Lopez, X. and Lopez Torres, E. and Lowe, A. and Luettig, P. and
Lunardon, M. and Luparello, G. and Luz, P. H. F. N. D. and Ma, R. and
Maevskaya, A. and Mager, M. and Mahajan, S. and Mahmood, S. M. and
Maire, A. and Majka, R. D. and Malaev, M. and Maldonado Cervantes, I.
and Malinina, L. and Mal'Kevich, D. and Malzacher, P. and Mamonov, A.
and Manko, V. and Manso, F. and Manzari, V. and Marchisone, M. and
Mares, J. and Margagliotti, G. V. and Margotti, A. and Margutti, J. and
Marin, A. and Markert, C. and Marquard, M. and Martin, N. A. and Blanco,
J. Martin and Martinengo, P. and Martinez, M. I. and Garcia, G. Martinez
and Pedreira, M. Martinez and Martynov, Y. and Mas, A. and Masciocchi,
S. and Masera, M. and Masoni, A. and Massacrier, L. and Mastroserio, A.
and Masui, H. and Matyja, A. and Mayer, C. and Mazer, J. and Mazzoni, M.
A. and Mcdonald, D. and Meddi, F. and Melikyan, Y. and Menchaca-Rocha,
A. and Meninno, E. and Perez, J. Mercado and Meres, M. and Miake, Y. and
Mieskolainen, M. M. and Mikhaylov, K. and Milano, L. and Milosevic, J.
and Minervini, L. M. and Mischke, A. and Mishra, A. N. and Miskowiec, D.
and Mitra, J. and Mitu, C. M. and Mohammadi, N. and Mohanty, B. and
Molnar, L. and Montano Zetina, L. and Montes, E. and Morando, M. and De
Godoy, D. A. Moreira and Moretto, S. and Morreale, A. and Morsch, A. and
Muccifora, V. and Mudnic, E. and Muehlheim, D. and Muhuri, S. and
Mukherjee, M. and Mulligan, J. D. and Munhoz, M. G. and Murray, S. and
Musa, L. and Musinsky, J. and Nandi, B. K. and Nania, R. and Nappi, E.
and Naru, M. U. and Nattrass, C. and Nayak, K. and Nayak, T. K. and
Nazarenko, S. and Nedosekin, A. and Nellen, L. and Ng, F. and Nicassio,
M. and Niculescu, M. and Niedziela, J. and Nielsen, B. S. and Nikolaev,
S. and Nikulin, S. and Nikulin, V. and Noferini, F. and Nomokonov, P.
and Nooren, G. and Noris, J. C. C. and Norman, J. and Nyanin, A. and
Nystrand, J. and Oeschler, H. and Oh, S. and Oh, S. K. and Ohlson, A.
and Okatan, A. and Okubo, T. and Olah, L. and Oleniacz, J. and Oliveira
Da Silva, A. C. and Oliver, M. H. and Onderwaater, J. and Oppedisano, C.
and Orava, R. and Ortiz Velasquez, A. and Oskarsson, A. and Otwinowski,
J. and Oyama, K. and Ozdemir, M. and Pachmayer, Y. and Pagano, P. and
Paic, G. and Pajares, C. and Pal, S. K. and Pan, J. and Pandey, A. K.
and Pant, D. and Papcun, P. and Papikyan, V. and Pappalardo, G. S. and
Pareek, P. and Park, W. J. and Parmar, S. and Passfeld, A. and
Paticchio, V. and Patra, R. N. and Paul, B. and Peitzmann, T. and Da
Costa, H. Pereira and Pereira De Oliveira Filho, E. and Peresunko, D.
and Lara, C. E. Perez and Lezama, E. Perez and Peskov, V. and Pestov, Y.
and Petracek, V. and Petrov, V. and Petrovici, M. and Petta, C. and
Piano, S. and Pikna, M. and Pillot, P. and Pinazza, O. and Pinsky, L.
and Piyarathna, D. B. and Ploskon, M. and Planinic, M. and Pluta, J. and
Pochybova, S. and Podesta-Lerma, P. L. M. and Poghosyan, M. G. and
Polichtchouk, B. and Poljak, N. and Poonsawat, W. and Pop, A. and
Porteboeuf-Houssais, S. and Porter, J. and Pospisil, J. and Prasad, S.
K. and Preghenella, R. and Prino, F. and Pruneau, C. A. and Pshenichnov,
I. and Puccio, M. and Puddu, G. and Pujahari, P. and Punin, V. and
Putschke, J. and Qvigstad, H. and Rachevski, A. and Raha, S. and Rajput,
S. and Rak, J. and Rakotozafindrabe, A. and Ramello, L. and Raniwala, R.
and Raniwala, S. and Rasanen, S. S. and Rascanu, B. T. and Rathee, D.
and Read, K. F. and Real, J. S. and Redlich, K. and Reed, R. J. and
Rehman, A. and Reichelt, P. and Reidt, F. and Ren, X. and Renfordt, R.
and Reolon, A. R. and Reshetin, A. and Rettig, F. and Revol, J. -P. and
Reygers, K. and Riabov, V. and Ricci, R. A. and Richert, T. and Richter,
M. and Riedler, P. and Riegler, W. and Riggi, F. and Ristea, C. and
Rivetti, A. and Rocco, E. and Rodriguez Cahuantzi, M. and Manso, A.
Rodriguez and Roed, K. and Rogochaya, E. and Rohr, D. and Rohrich, D.
and Romita, R. and Ronchetti, F. and Ronflette, L. and Rosnet, P. and
Rossi, A. and Roukoutakis, F. and Roy, A. and Roy, C. and Roy, P. and
Rubio Montero, A. J. and Rui, R. and Russo, R. and Ryabinkin, E. and
Ryabov, Y. and Rybicki, A. and Sadovsky, S. and Safarik, K. and
Sahlmuller, B. and Sahoo, P. and Sahoo, R. and Sahoo, S. and Sahu, P. K.
and Saini, J. and Sakai, S. and Saleh, M. A. and Salgado, C. A. and
Salzwedel, J. and Sambyal, S. and Samsonov, V. and Castro, X. Sanchez
and Sandor, L. and Sandoval, A. and Sano, M. and Sarkar, D. and
Scapparone, E. and Scarlassara, F. and Scharenberg, R. P. and Schiaua,
C. and Schicker, R. and Schmidt, C. and Schmidt, H. R. and Schuchmann,
S. and Schukraft, J. and Schulc, M. and Schuster, T. and Schutz, Y. and
Schwarz, K. and Schweda, K. and Scioli, G. and Scomparin, E. and Scott,
R. and Seeder, K. S. and Seger, J. E. and Sekiguchi, Y. and Sekihata, D.
and Selyuzhenkov, I. and Senosi, K. and Seo, J. and Serradilla, E. and
Sevcenco, A. and Shabanov, A. and Shabetai, A. and Shadura, O. and
Shahoyan, R. and Shangaraev, A. and Sharma, A. and Sharma, M. and
Sharma, M. and Sharma, N. and Shigaki, K. and Shtejer, K. and Sibiriak,
Y. and Siddhanta, S. and Sielewicz, K. M. and Siemiarczuk, T. and
Silvermyr, D. and Silvestre, C. and Simatovic, G. and Simonetti, G. and
Singaraju, R. and Singh, R. and Singha, S. and Singhal, V. and Sinha, C.
and Sinha, T. and Sitar, B. and Sitta, M. and Skaali, T. B. and
Slupecki, M. and Smirnov, N. and Snellings, R. J. M. and Snellman, T. W.
and Sogaard, C. and Soltz, R. and Song, J. and Song, M. and Song, Z. and
Soramel, F. and Sorensen, S. and Spacek, M. and Spiriti, E. and
Sputowska, I. and Spyropoulou-Stassinaki, M. and Srivastava, B. K. and
Stachel, J. and Stan, I. and Stefanek, G. and Steinpreis, M. and
Stenlund, E. and Steyn, G. and Stiller, J. H. and Stocco, D. and Strmen,
P. and Suaide, A. A. P. and Sugitate, T. and Suire, C. and Suleymanov,
M. and Sultanov, R. and Sumbera, M. and Symons, T. J. M. and Szabo, A.
and Szanto de Toledo, A. and Szarka, I. and Szczepankiewicz, A. and
Szymanski, M. and Takahashi, J. and Tanaka, N. and Tangaro, M. A. and
Takaki, J. D. Tapia and Peloni, A. Tarantola and Tarhini, M. and Tariq,
M. and Tarzila, M. G. and Tauro, A. and Tejeda Munoz, G. and Telesca, A.
and Terasaki, K. and Terrevoli, C. and Teyssier, B. and Thaeder, J. and
Thomas, D. and Tieulent, R. and Timmins, A. R. and Toia, A. and Trogolo,
S. and Trubnikov, V. and Trzaska, W. H. and Tsuji, T. and Tumkin, A. and
Turrisi, R. and Tveter, T. S. and Ullaland, K. and Uras, A. and Usai, G.
L. and Utrobicic, A. and Vajzer, M. and Vala, M. and Palomo, L. Valencia
and Vallero, S. and Van der Maarel, J. and Van Hoorne, J. W. and van
Leeuwen, M. and Vanat, T. and Vyvre, P. Vande and Varga, D. and Vargas,
A. and Vargyas, M. and Varma, R. and Vasileiou, M. and Vasiliev, A. and
Vauthier, A. and Vechernin, V. and Veen, A. M. and Veldhoen, M. and
Velure, A. and Venaruzzo, M. and Vercellin, E. and Vergara Limon, S. and
Vernet, R. and Verweij, M. and Vickovic, L. and Viesti, G. and
Viinikainen, J. and Vilakazi, Z. and Baillie, O. Villalobos and
Vinogradov, A. and Vinogradov, L. and Vinogradov, Y. and Virgili, T. and
Vislavicius, V. and Viyogi, Y. P. and Vodopyanov, A. and Voelkl, M. A.
and Voloshin, K. and Voloshin, S. A. and Volpe, G. and von Haller, B.
and Vorobyev, I. and Vranic, D. and Vrlakova, J. and Vulpescu, B. and
Vyushin, A. and Wagner, B. and Wagner, J. and Wang, H. and Wang, M. and
Wang, Y. and Watanabe, D. and Watanabe, Y. and Weber, M. and Weber, S.
G. and Wessels, J. P. and Westerhoff, U. and Wiechula, J. and Wikne, J.
and Wilde, M. and Wilk, G. and Wilkinson, J. and Williams, M. C. S. and
Windelband, B. and Winn, M. and Yaldo, C. G. and Yang, H. and Yang, P.
and Yano, S. and Yin, Z. and Yokoyama, H. and Yoo, I. -K. and Yurchenko,
V. and Yushmanov, I. and Zaborowska, A. and Zaccolo, V. and Zaman, A.
and Zampolli, C. and Zanoli, H. J. C. and Zaporozhets, S. and Zardoshti,
N. and Zarochentsev, A. and Zavada, P. and Zaviyalov, N. and Zbroszczyk,
H. and Zgura, I. S. and Zhalov, M. and Zhang, H. and Zhang, X. and
Zhang, Y. and Zhao, C. and Zhigareva, N. and Zhou, D. and Zhou, Y. and
Zhou, Z. and Zhu, H. and Zhu, J. and Zhu, X. and Zichichi, A. and
Zimmermann, A. and Zimmermann, M. B. and Zinovjev, G. and Zyzak, M. and
ALICE Collaboration... Show more Show less
Loading
Abstract
We report the measurement of a new observable of jet quenching in
central Pb-Pb collisions at root s(NN) = 2.76 TeV, based on the
semi-inclusive rate of charged jets recoiling from a high transverse
momentum (high-p T) charged hadron trigger. Jets are measured using
collinear-safe jet reconstruction with infrared cutoff for jet
constituents of 0.15 GeV, for jet resolution parameters R = 0.2, 0.4 and
0.5. Underlying event background is corrected at the event-ensemble
level, without imposing bias on the jet population. Recoil jet spectra
are reported in the range 20 < p(T,jet)(ch) < 100 GeV. Reference
distributions for pp collisions at root s = 2.76TeV are calculated using
Monte Carlo and NLO pQCD methods, which are validated by comparing with
measurements in pp collisions at root s = 7TeV. The recoil jet yield in
central Pb-Pb collisions is found to be suppressed relative to that in
pp collisions. No significant medium-induced broadening of the intra-jet
energy profile is observed within 0.5 radians relative to the recoil jet
axis. The angular distribution of the recoil jet yield relative to the
trigger axis is found to be similar in central Pb-Pb and pp collisions,
with no significant medium-induced acoplanarity observed. Large-angle
jet deflection, which may provide a direct probe of the nature of the
quasi-particles in hot QCD matter, is explored.... Show more Show less