Measurement of transverse energy at midrapidity in 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 Ahmad, S. and Ahn, S. U.
and Aiola, S. and Akindinov, A. and Alam, S. N. and Allbuquerque, D. S.
D. and Aleksandrov, D. and Alessandro, B. and Alexandre, D. and Molina,
R. Alfaro and Alici, A. and Alkin, A. and Almaraz, J. R. M. and Alme, J.
and Alt, T. and Altinpinar, S. and Altsybeev, I. and Alves Garcia Prado,
C. and Andrei, C. and Andronic, A. and Anguelov, V. and Anticic, T. and
Antinori, F. and Antonioli, P. and Aphecetche, L. and Appelshaeuser, H.
and Arcelli, S. and Arnaldi, R. and Arnold, O. W. and Arsene, I. C. and
Arslandok, M. and Audurier, B. and Augustinus, A. and Averbeck, R. and
Azmi, M. D. and Badala, A. and Baek, Y. W. and Bagnasco, S. and
Bailhache, R. and Bala, R. and Balasubramanian, S. and Baldisseri, A.
and Baral, R. C. and Barbano, A. M. and Barbera, R. and Barile, F. and
Barnafoldi, 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
Martinez, H. Bello 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 Biro, G. and Biswas, R. and Biswas, S. and Bjelogrlic, S. and Blair,
J. T. 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 Bourjau,
C. 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 Cabala, J. 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 Carnesecchi, F. and Castellanos, J.
Castillo and Castro, A. J. and Casula, E. A. R. 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 Chauvin, A. and Chelnokov, V. and Cherney, M.
and Cheshkov, C. and Cheynis, B. and Barroso, V. Chibante and
Chinellato, D. D. and Cho, S. 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 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 Danisch, M. C. 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 Conti, C. 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 Deplano, C. and Dhankher, P. and Di Bari, D. and Di
Mauro, A. and Di Nezza, P. and Corchero, M. A. Diaz and Dietel, T. and
Dillenseger, P. and Divia, R. and Djuvsland, O. and Dobrin, A. and
Domenicis Gimenez, D. and Doenigus, B. and Dordic, O. and Drozhzhova, T.
and Dubey, A. K. and Dubla, A. and Ducroux, L. and Dupieux, P. and
Ehlers, R. J. and Elia, D. and Endress, E. and Engel, H. and Epple, E.
and Erazmus, B. and Erdemir, I. and Erhardt, F. 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 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
Fionda, F. M. 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 Fronze, G. G. 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 Gauger, E. F. and Germain, M. 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 Gomez
Coral, D. M. and Ramirez, A. Gomez and Gonzalez, A. S. and Gonzalez, V.
and Gonzalez-Zamora, P. and Gorbunov, S. and Gorlich, L. and Gotovac, S.
and Grabski, V. and Grachov, O. A. 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
Gronefeld, J. M. and Grosse-Oetringhaus, J. F. and Grosso, R. and Guber,
F. and Guernane, R. and Guerzoni, B. and Gulbrandsen, K. 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 Hamon,
J. C. and Harris, J. W. and Harton, A. and Hatzifotiadou, D. and
Hayashi, S. and Heckel, S. T. and Hellbaer, E. and Helstrup, H. and
Herghelegiu, A. and Herrera Corral, G. and Hess, B. A. and Hetland, K.
F. and Hillemanns, H. and Hippolyte, B. and Horak, D. and Hosokawa, R.
and Hristov, P. and Humanic, T. J. and Hussain, N. and Hussain, T. and
Hutter, D. and Hwang, D. S. and Ilkaev, R. and Inaba, M. and Incani, E.
and Ippolitov, M. and Irfan, M. and Ivanov, M. and Ivanov, V. and
Izucheev, V. and Jacazio, N. and Jacobs, P. M. and Jadhav, M. B. and
Jadlovska, S. and Jadlovsky, J. and Jahnke, C. and Jakubowska, M. J. 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 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, M. Mohisin and
Khan, P. and Khan, S. A. and Khanzadeev, A. and Kharlov, Y. and Kileng,
B. and Kim, D. W. and Kim, D. J. and Kim, D. and Kim, H. and Kim, J. S.
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 Klewin, S. and Kluge, A. and
Knichel, M. L. and Knospe, A. G. 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 Kostarakis, P.
and Kour, M. and Kouzinopoulos, C. and Kovalenko, O. and Kovalenko, V.
and Kowalski, M. and Meethaleveedu, G. Koyithatta and Kralik, I. and
Kravcakova, A. and Krivda, M. and Krizek, F. and Kryshen, E. and
Krzewicki, M. and Kubera, A. M. and Kucera, V. and Kuhn, C. and Kuijer,
P. G. and Kumar, A. and Kumar, J. and Kumar, L. and Kumar, S. and
Kurashvili, P. and Kurepin, A. and Kurepin, A. B. and Kuryakin, A. and
Kweon, M. J. and Kwon, Y. and La Pointe, S. L. and La Rocca, P. and
Ladron de Guevara, P. and Lagana Fernandes, C. and Lakomov, I. and
Langoy, R. and Lapidus, K. 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 Lehas, F. and Lemmon, R. C. and Lenti, V. and Leogrande, E. and Leon
Monzon, I. and Leon Vargas, H. 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 Lutz, T. H. 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 Mas, A. and Masciocchi, S. and Masera, M. and Masoni, A. and
Mastroserio, A. 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 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 De Godoy, D. A.
Moreira and Moreno, L. A. P. 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
Munzer, R. H. and Murakami, H. and Murray, S. and Musa, L. and Musinsky,
J. and Naik, B. and Nair, R. and Nandi, B. K. and Nania, R. and Nappi,
E. and Naru, M. U. and Natal da Luz, H. and Nattrass, C. and Navarro, S.
R. and Nayak, K. and Nayak, R. 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
Oravec, M. and Velasquez, A. Ortiz and Oskarsson, A. and Otwinowski, J.
and Oyama, K. and Ozdemir, M. and Pachmayer, Y. and Pagano, D. and
Pagano, P. and Paic, G. and Pal, S. K. and Pan, J. and Pandey, A. K. 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 Pei, H. and Peitzmann, T. and Da Costa, H. Pereira and Peresunko,
D. and Perez Lara, C. E. 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 Pimentel, L. O. D. L. 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 Rami, F. and Raniwala, R. and Raniwala, S. and Rasanen, S. S. and
Rascanu, B. T. and Rathee, D. and Read, K. F. 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 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 Rocco, E. and
Rodriguez Cahuantzi, M. and Manso, A. Rodriguez and Roed, K. and
Rogochaya, E. and Rohr, D. and Rohrich, D. 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 Ruzza, B. D. and Ryabinkin, E. and Ryabov, Y. and Rybicki,
A. and Saarinen, S. and Sadhu, S. 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 Salzwedel, J. and
Sambyal, S. and Samsonov, V. and Sandor, L. and Sandoval, A. and Sano,
M. and Sarkar, D. and Sarkar, N. and Sarma, P. and Scapparone, E. and
Scarlassara, F. and Schiaua, C. and Schicker, R. and Schmidt, C. and
Schmidt, H. R. and Schuchmann, S. and Schukraft, J. and Schulc, M. and
Schutz, Y. and Schwarz, K. and Schweda, K. and Scioli, G. and Scomparin,
E. and Scott, R. and Sefcik, M. and Seger, J. E. and Sekiguchi, Y. and
Sekihata, D. and Selyuzhenkov, I. and Senosi, K. and Senyukov, S. and
Serradilla, E. and Sevcenco, A. and Shabanov, A. and Shabetai, A. and
Shadura, O. and Shahoyan, R. and Shahzad, M. I. and Shangaraev, A. and
Sharma, A. and Sharma, M. and Sharma, M. and Sharma, N. and Sheikh, A.
I. and Shigaki, K. and Shou, Q. 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, B. 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 Song, J. and
Song, M. and Song, Z. and Soramel, F. and Sorensen, S. and de Souza, R.
D. and Sozzi, F. and Spacek, M. and Spiriti, E. and Sputowska, I. and
Spyropoulou-Stassinaki, M. and Stachel, J. and Stan, I. and Stankus, P.
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 Suljic, M. and Sultanov, R. and Sumbera, M. and
Sumowidagdo, S. and Szabo, A. and Szanto de Toledo, A. and Szarka, I.
and Szczepankiewicz, A. and Szymanski, M. and Tabassam, U. and
Takahashi, J. and Tambave, G. J. and Tanaka, N. 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 Thakur, D. and Thomas, D. and Tieulent, R. and Tikhonov,
A. and Timmins, A. R. and Toia, A. and Trogolo, S. and Trombetta, G. 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 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
Doce, O. Vazquez and Vechernin, V. and Veen, A. M. and Veldhoen, M. and
Velure, A. and Vercellin, E. and Vergara Limon, S. and Vernet, R. and
Verweij, M. and Vickovic, L. and Viinikainen, J. and Vilakazi, Z. and
Baillie, O. Villalobos and Villatoro Tello, A. 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 Wagner, B. and
Wagner, J. and Wang, H. and Wang, M. and Watanabe, D. and Watanabe, Y.
and Weber, M. and Weber, S. G. and Weiser, D. F. and Wessels, J. P. and
Westerhoff, U. and Whitehead, A. M. and Wiechula, J. and Wikne, J. and
Wilk, G. and Wilkinson, J. and Williams, M. C. S. and Windelband, B. and
Winn, M. and Yang, P. and Yano, S. and Yasin, Z. and Yin, Z. and
Yokoyama, H. and Yoo, I. -K. and Yoon, J. H. 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 Zhang, C. and Zhang, Z. and Zhao, C. and Zhigareva, N. and Zhou,
D. and Zhou, Y. and Zhou, Z. and Zhu, H. and Zhu, J. and Zichichi, A.
and Zimmermann, A. and Zimmermann, M. B. and Zinovjev, G. and Zyzak, M.
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Abstract
We report the transverse energy (ET) measured with ALICE at midrapidity
in Pb-Pb collisions at root s(NN) = 2.76 TeV as a function of
centrality. The transverse energy was measured using identified
single-particle tracks. The measurement was cross checked using the
electromagnetic calorimeters and the transverse momentum distributions
of identified particles previously reported by ALICE. The results are
compared to theoretical models as well as to results from other
experiments. The mean ET per unit pseudorapidity (eta), < dE(T)/d eta >,
in 0\%-5\% central collisions is 1737 +/- 6(stat.) +/- 97(sys.) GeV. We
find a similar centrality dependence of the shape of < dE(T)/d eta > as
a function of the number of participating nucleons to that seen at lower
energies. The growth in < dE(T)/d eta > at the LHC energies exceeds
extrapolations of low-energy data. We observe a nearly linear scaling of
< dE(T)/d eta > with the number of quark participants. With the
canonical assumption of a 1 fm/c formation time, we estimate that the
energy density in 0\%-5\% central Pb-Pb collisions at root s(NN) = 2.76
TeV is 12.3 +/- 1.0 GeV/fm(3) and that the energy density at the most
central 80 fm(2) of the collision is at least 21.5 +/- 1.7 GeV/fm(3).
This is roughly 2.3 times that observed in 0\%-5\% central Au-Au
collisions at root s(NN) = 200 GeV.... Show more Show less