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Longitudinal and azimuthal evolution of two-particle transverse momentum correlations in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV

This paper presents the first measurements of the charge independent (CI) and charge dependent (CD) two-particle transverse momentum correlators G2CI and G2CD in Pb–Pb collisions at sNN=2.76TeV by the ALICE collaboration. The two-particle transverse momentum correlator G2 was introduced as a measure...

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Autores principales: Acharya, Shreyasi, Adamova, Dagmar, Adler, Alexander, Adolfsson, Jonatan, Aggarwal, Madan Mohan, Aglieri Rinella, Gianluca, Agnello, Michelangelo, Agrawal, Neelima, Ahammed, Zubayer, Ahmad, Shakeel, Ahn, Sang Un, Akindinov, Alexander, Al-turany, Mohammad, Alam, Sk Noor, Silva De Albuquerque, Danilo, Aleksandrov, Dmitry, Alessandro, Bruno, Alfanda, Haidar Mas'ud, Alfaro Molina, Jose Ruben, Ali, Bushra, Ali, Yasir, Alici, Andrea, Alkin, Anton, Alme, Johan, Alt, Torsten, Altenkamper, Lucas, Altsybeev, Igor, Anaam, Mustafa, Andrei, Cristian, Andreou, Dimitra, Andrews, Harry Arthur, Andronic, Anton, Angeletti, Massimo, Anguelov, Venelin, Anson, Christopher Daniel, Anticic, Tome, Antinori, Federico, Antonioli, Pietro, Anwar, Rafay, Apadula, Nicole, Aphecetche, Laurent Bernard, Appelshaeuser, Harald, Arcelli, Silvia, Arnaldi, Roberta, Arratia Munoz, Miguel Ignacio, Arsene, Ionut Cristian, Arslandok, Mesut, Augustinus, Andre, Averbeck, Ralf Peter, Aziz, Sizar, Azmi, Mohd Danish, Badala, Angela, Baek, Yongwook, Bagnasco, Stefano, Bai, Xiaozhi, Bailhache, Raphaelle Marie, Bala, Renu, Baldisseri, Alberto, Ball, Markus, Balouza, Samah, Barbera, Roberto, Barioglio, Luca, Barnafoldi, Gergely Gabor, Barnby, Lee Stuart, Ramillien Barret, Valerie, Bartalini, Paolo, Barth, Klaus, Bartsch, Esther, Baruffaldi, Filippo, Bastid, Nicole, Basu, Sumit, Batigne, Guillaume, Batyunya, Boris, Bauri, Dibakar, Bazo Alba, Jose Luis, Bearden, Ian Gardner, Bedda, Cristina, Behera, Nirbhay Kumar, Belikov, Iouri, Bell Hechavarria, Ailec, Bellini, Francesca, Bellwied, Rene, Belyaev, Vladimir, Bencedi, Gyula, Beole, Stefania, Bercuci, Alexandru, Berdnikov, Yaroslav, Berenyi, Daniel, Bertens, Redmer Alexander, Berzano, Dario, Besoiu, Mihaela Gabriela, Betev, Latchezar, Bhasin, Anju, Bhat, Inayat Rasool, Bhat, Mohammad Asif, Bhatt, Himani, Bhattacharjee, Buddhadeb, Bianchi, Antonio, Bianchi, Livio, Bianchi, Nicola, Bielcik, Jaroslav, Bielcikova, Jana, Bilandzic, Ante, Biro, Gabor, 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Jan, Koska, Lukas, Kovalenko, Oleksandr, Kovalenko, Vladimir, Kowalski, Marek, Kralik, Ivan, Kravcakova, Adela, Kreis, Lukas, Krivda, Marian, Krizek, Filip, Krizkova Gajdosova, Katarina, Kruger, Mario, Kryshen, Evgeny, Krzewicki, Mikolaj, Kubera, Andrew Michael, Kucera, Vit, Kuhn, Christian Claude, Kuijer, Paulus Gerardus, Kumar, Lokesh, Kumar, Shyam, Kundu, Sourav, Kurashvili, Podist, Kurepin, Alexander, Kurepin, Alexey, Kuryakin, Alexey, Kushpil, Svetlana, Kvapil, Jakub, Kweon, Min Jung, Kwon, Jiyeon, Kwon, Youngil, La Pointe, Sarah Louise, La Rocca, Paola, Lai, Yue Shi, Langoy, Rune, Lapidus, Kirill, Lardeux, Antoine Xavier, Larionov, Pavel, Laudi, Elisa, Lavicka, Roman, Lazareva, Tatiana, Lea, Ramona, Leardini, Lucia, Lee, Joonil, Lee, Seongjoo, Lehas, Fatiha, Lehner, Sebastian, Lehrbach, Johannes, Lemmon, Roy Crawford, Leon Monzon, Ildefonso, Lesser, Ezra Douglas, Lettrich, Michael, Levai, Peter, Li, Xiaomei, Li, Xing Long, Lien, Jorgen Andre, Lietava, Roman, Lim, Bong-hwi, Lindenstruth, Volker, Lindsay, Scott William, Lippmann, Christian, Lisa, Michael Annan, Litichevskyi, Vladyslav, Liu, Alwina Ruixin, Liu, Suyuan, Llope, William Joseph, Lofnes, Ingrid Mckibben, Loginov, Vitaly, Loizides, Constantinos, Loncar, Petra, Lopez, Xavier Bernard, Lopez Torres, Ernesto, Luhder, Jens Robert, Lunardon, Marcello, Luparello, Grazia, Ma, Yugang, Maevskaya, Alla, Mager, Magnus, Mahmood, Sohail Musa, Mahmoud, Tariq, Maire, Antonin, Majka, Richard Daniel, Malaev, Mikhail, Malik, Qasim Waheed, Malinina, Liudmila, Mal Kevich, Dmitry, Malzacher, Peter, Mandaglio, Giuseppe, Manko, Vladislav, Manso, Franck, Manzari, Vito, Mao, Yaxian, Marchisone, Massimiliano, Mares, Jiri, Margagliotti, Giacomo Vito, Margotti, Anselmo, Margutti, Jacopo, Marin, Ana Maria, Markert, Christina, Marquard, Marco, Martin, Nicole Alice, Martinengo, Paolo, Martinez, Jacobb Lee, Martinez Hernandez, Mario Ivan, Martinez-garcia, Gines, Martinez Pedreira, Miguel, Masciocchi, Silvia, Masera, Massimo, Masoni, Alberto, Massacrier, Laure Marie, Masson, Erwann, Mastroserio, Annalisa, Mathis, Andreas Michael, Matonoha, Oliver, Toledo Matuoka, Paula Fernanda, Matyja, Adam Tomasz, Mayer, Christoph, Mazzilli, Marianna, Mazzoni, Alessandra Maria, Mechler, Adrian Florin, Meddi, Franco, Melikyan, Yury, Menchaca-rocha, Arturo Alejandro, Cai, Mengke, Meninno, Elisa, Meres, Michal, Mhlanga, Sibaliso, Miake, Yasuo, Micheletti, Luca, Mihaylov, Dimitar Lubomirov, Mikhaylov, Konstantin, Mischke, Andre, Mishra, Aditya Nath, Miskowiec, Dariusz Czeslaw, Modak, Abhi, Mohammadi, Naghmeh, Mohanty, Auro Prasad, Mohanty, Bedangadas, Khan, Mohammed Mohisin, Mordasini, Cindy, Moreira De Godoy, Denise Aparecida, Perez Moreno, Luis Alberto, Morozov, Igor, Morsch, Andreas, Mrnjavac, Teo, Muccifora, Valeria, Mudnic, Eugen, Muhlheim, Daniel Michael, Muhuri, Sanjib, Mulligan, James Declan, Gameiro Munhoz, Marcelo, Munzer, Robert Helmut, Murakami, Hikari, Murray, Sean, Musa, Luciano, Musinsky, Jan, Myers, Corey 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Pooja, Park, Jonghan, Parkkila, Jasper Elias, Parmar, Sonia, Pathak, Surya Prakash, Patra, Rajendra Nath, Paul, Biswarup, Pei, Hua, Peitzmann, Thomas, Peng, Xinye, Pereira, Luis Gustavo, Pereira Da Costa, Hugo Denis Antonio, Peresunko, Dmitry Yurevich, Mesa Perez, Guillermo, Perez Lezama, Edgar, Peskov, Vladimir, Pestov, Yury, Petracek, Vojtech, Petrovici, Mihai, Peretti Pezzi, Rafael, Piano, Stefano, Pikna, Miroslav, Pillot, Philippe, Pinazza, Ombretta, Pinsky, Lawrence, Pinto, Chiara, Pisano, Silvia, Pistone, Daniele, Ploskon, Mateusz Andrzej, Planinic, Mirko, Pliquett, Fabian, Pluta, Jan Marian, Pochybova, Sona, Poghosyan, Martin, Polishchuk, Boris, Poljak, Nikola, Pop, Amalia, Poppenborg, Hendrik, Porteboeuf, Sarah Julie, Pozdniakov, Valeriy, Prasad, Sidharth Kumar, Preghenella, Roberto, Prino, Francesco, Pruneau, Claude Andre, Pshenichnov, Igor, Puccio, Maximiliano, Putschke, Jorn Henning, Quishpe Quishpe, Raquel Estefania, Ragoni, Simone, Raha, Sibaji, Rajput, Sonia, Rak, Jan, Rakotozafindrabe, Andry Malala, Ramello, Luciano, Rami, Fouad, Raniwala, Rashmi, Raniwala, Sudhir, Rasanen, Sami Sakari, Rath, Rutuparna, Ratza, Viktor, Ravasenga, Ivan, Read, Kenneth Francis, Redelbach, Andreas Ralph, Redlich, Krzysztof, Rehman, Attiq Ur, Reichelt, Patrick Simon, Reidt, Felix, Ren, Xiaowen, Renfordt, Rainer Arno Ernst, Jakubcinova, Zuzana, Revol, Jean-pierre, Reygers, Klaus Johannes, Riabov, Viktor, Richert, Tuva Ora Herenui, Richter, Matthias Rudolph, Riedler, Petra, Riegler, Werner, Riggi, Francesco, Ristea, Catalin-lucian, Rode, Sudhir Pandurang, Rodriguez Cahuantzi, Mario, Roeed, Ketil, Rogalev, Roman, Rogochaya, Elena, Rohr, David Michael, Roehrich, Dieter, Rokita, Przemyslaw Stefan, Ronchetti, Federico, Dominguez Rosas, Edgar, Roslon, Krystian, Rossi, Andrea, Rotondi, Alberto, Roy, Ankhi, Roy, Pradip Kumar, Pedro, Ladron de Guevara, Vazquez Rueda, Omar, Rui, Rinaldo, Rumyantsev, Boris, Rustamov, Anar, Ryabinkin, Evgeny, Ryabov, Yury, Rybicki, Andrzej, Rytkonen, Heidi Maria, Saarimaki, Oskari Antti Matti, Sadhu, Samrangy, Sadovskiy, Sergey, Safarik, Karel, Saha, Sumit Kumar, Sahoo, Baidyanath, Sahoo, Pragati, Sahoo, Raghunath, Sahoo, Sarita, Sahu, Pradip Kumar, Saini, Jogender, Sakai, Shingo, Sambyal, Sanjeev Singh, Samsonov, Vladimir, Sarkar, Debojit, Sarkar, Nachiketa, Sarma, Pranjal, Mantovani Sarti, Valentina, Sas, Mike Henry Petrus, Scapparone, Eugenio, Schaefer, Brennan, Schambach, Johann Joachim, Scheid, Horst Sebastian, Schiaua, Claudiu Cornel, Schicker, Rainer Martin, Schmah, Alexander, Schmidt, Christian Joachim, Schmidt, Hans Rudolf, Schmidt, Marten Ole, Schmidt, Martin, Schmidt, Nicolas, Schmier, Austin Robert, Schukraft, Jurgen, Schutz, Yves Roland, Schwarz, Kilian Eberhard, Schweda, Kai Oliver, Scioli, Gilda, Scomparin, Enrico, Sefcik, Michal, Seger, Janet Elizabeth, Sekiguchi, Yuko, Sekihata, Daiki, Selyuzhenkov, Ilya, Senyukov, Serhiy, Serebryakov, Dmitry, Serradilla Rodriguez, Eulogio, Sevcenco, Adrian, Shabanov, Arseniy, Shabetai, Alexandre, Shahoyan, Ruben, Shaikh, Wadut, Shangaraev, Artem, Sharma, Anjali, Sharma, Ankita, Sharma, Himanshu, Sharma, Meenakshi, Sharma, Natasha, Sheikh, Ashik Ikbal, Shigaki, Kenta, Hachiya Shimomura, Maya, Shirinkin, Sergey, Shou, Qiye, Sibiryak, Yury, Siddhanta, Sabyasachi, Siemiarczuk, Teodor, Silvermyr, David Olle Rickard, Simatovic, Goran, Simonetti, Giuseppe, Singh, Ranbir, Singh, Randhir, Singh, Ravindra, Singh, Vivek Kumar, Singhal, Vikas, Sarkar - Sinha, Tinku, Sitar, Branislav, Sitta, Mario, Skaali, Bernhard, Slupecki, Maciej, Smirnov, Nikolai, Snellings, Raimond, Snellman, Tomas Wilhelm, Soncco Meza, Carlos, Song, Jihye, Songmoolnak, Arnon, Soramel, Francesca, Sorensen, Soren Pontoppidan, Sputowska, Iwona Anna, Stachel, Johanna, Stan, Ionel, Stankus, Paul William, Steffanic, Patrick John, Stenlund, Evert Anders, Stocco, Diego, Storetvedt, Maksim Melnik, Dello Stritto, Luigi, Alarcon Do Passo Suaide, Alexandre, Sugitate, Toru, Suire, Christophe Pierre, Suleymanov, Mais Kazim Oglu, Suljic, Miljenko, Sultanov, Rishat, Sumbera, Michal, Sumowidagdo, Suharyo, Swain, Sagarika, Szabo, Alexander, Szarka, Imrich, Tabassam, Uzma, Taillepied, Guillaume, Takahashi, Jun, Tambave, Ganesh Jagannath, Tang, Siyu, Tarhini, Mohamad, Tarzila, Madalina-gabriela, Tauro, Arturo, Tejeda Munoz, Guillermo, Telesca, Adriana, Terrevoli, Cristina, Thakur, Dhananjaya, Thakur, Sanchari, Thomas, Deepa, Thoresen, Freja, Tieulent, Raphael Noel, Tikhonov, Anatoly, Timmins, Anthony Robert, Toia, Alberica, Topilskaya, Nataliya, Toppi, Marco, Torales Acosta, Fernando, Rojas Torres, Solangel, Trifiro, Antonio, Tripathy, Sushanta, Tripathy, Tulika, Trogolo, Stefano, Trombetta, Giuseppe, Tropp, Lukas, Trubnikov, Victor, Trzaska, Wladyslaw Henryk, Trzcinski, Tomasz Piotr, Trzeciak, Barbara Antonina, Tsuji, Tomoya, Tumkin, Alexandr, Turrisi, Rosario, Tveter, Trine Spedstad, Ullaland, Kjetil, Umaka, Ejiro Naomi, Uras, Antonio, Usai, Gianluca, Utrobicic, Antonija, Vala, Martin, Valle, Nicolo', Vallero, Sara, Van Der Kolk, Naomi, Van Doremalen, Lennart, Van Leeuwen, Marco, Vande Vyvre, Pierre, Varga, Dezso, Varga, Zoltan, Varga-kofarago, Monika, Diozcora Vargas Trevino, Aurora, Vasileiou, Maria, Vasiliev, Andrey, Vazquez Doce, Oton, Vechernin, Vladimir, Veen, Annelies Marianne, Vercellin, Ermanno, Vergara Limon, Sergio, Vermunt, Lucas Anne, Vernet, Renaud, Vertesi, Robert, Vickovic, Linda, Vilakazi, Zabulon, Villalobos Baillie, Orlando, Villatoro Tello, Abraham, Vino, Gioacchino, Vinogradov, Alexander, Virgili, Tiziano, Vislavicius, Vytautas, Vodopyanov, Alexander, Volkel, Benedikt, Volkl, Martin Andreas, Voloshin, Kirill, Voloshin, Sergey, Volpe, Giacomo, Von Haller, Barthelemy, Vorobyev, Ivan, Voscek, Dominik, Vrlakova, Janka, Wagner, Boris, Weber, Michael, Weber, Steffen Georg, Wegrzynek, Adam Tadeusz, Weiser, Dennis Franz, Wenzel, Sandro Christian, Wessels, Johannes Peter, Wiechula, Jens, Wikne, Jon, Wilk, Grzegorz Andrzej, Wilkinson, Jeremy John, Willems, Guido Alexander, Willsher, Emily Jade, Windelband, Bernd Stefan, Winn, Michael Andreas, Witt, William Edward, Wu, Yitao, Xu, Ran, Yalcin Kuzu, Serpil, Yamakawa, Kosei, Yang, Shiming, Yano, Satoshi, Yin, Zhongbao, Yokoyama, Hiroki, Yoo, In Kwon, Yoon, Jin Hee, Yuan, Shiming, Yuncu, Alperen, Yurchenko, Volodymyr, Zaccolo, Valentina, Zaman, Ali, Zampolli, Chiara, Correia Zanoli, Henrique Jose, Zardoshti, Nima, Zarochentsev, Andrey, Zavada, Petr, Zavyalov, Nikolay, Zbroszczyk, Hanna Paulina, Zhalov, Mikhail, Zhang, Song, Zhang, Xiaoming, Zhang, Zuman, Zherebchevskii, Vladimir, Zhou, Daicui, Zhou, You, Zhou, Zhuo, Zhu, Jianhui, Zhu, Ya, Zichichi, Antonino, Zimmermann, Markus Bernhard, Zinovjev, Gennady, Zurlo, Nicola
Lenguaje:eng
Publicado: 2019
Materias:
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2020.135375
http://cds.cern.ch/record/2696404
Descripción
Sumario:This paper presents the first measurements of the charge independent (CI) and charge dependent (CD) two-particle transverse momentum correlators G2CI and G2CD in Pb–Pb collisions at sNN=2.76TeV by the ALICE collaboration. The two-particle transverse momentum correlator G2 was introduced as a measure of the momentum current transfer between neighboring system cells. The correlators are measured as a function of pair separation in pseudorapidity (Δ η ) and azimuth (Δ φ ) and as a function of collision centrality. From peripheral to central collisions, the correlator G2CI exhibits a longitudinal broadening while undergoing a monotonic azimuthal narrowing. By contrast, G2CD exhibits a narrowing along both dimensions. These features are not reproduced by models such as HIJING and AMPT. However, the observed narrowing of the correlators from peripheral to central collisions is expected to result from the stronger transverse flow profiles produced in more central collisions and the longitudinal broadening is predicted to be sensitive to momentum currents and the shear viscosity per unit of entropy density η/s of the matter produced in the collisions. The observed broadening is found to be consistent with the hypothesized lower bound of η/s and is in qualitative agreement with values obtained from anisotropic flow measurements.