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Jet Structure from Dihadron Correlations in d+Au collisions at $\sqrt{S-{NN}}$=200 GeV (2006) |
- Adler, S.S.,
- Afanasiev, S.,
- Aidala, C.,
- Ajitanand, N.N.,
- Akiba, Y.,
- Al-Jamel, A.,
- Alexander, J.,
- Aoki, K.,
- Aphecetche, L.,
- Armendariz, R.,
- Aronson, S.H.,
- Averbeck, R.,
- Awes, T.C.,
- Babintsev, V.,
- Baldisseri, A.,
- Barish, K.N.,
- Barnes, P.D.,
- Bassalleck, B.,
- Bathe, S.,
- Batsouli, S.,
- Baublis, V.,
- Bauer, F.,
- Bazilevsky, A.,
- Belikov, S.,
- Bjorndal, M.T.,
- Boissevain, J.G.,
- Borel, H.,
- Brooks, M.L.,
- Brown, D.S.,
- Bruner, N.,
- Bucher, D.,
- Buesching, H.,
- Bumazhnov, V.,
- Bunce, G.,
- Burward-Hoy, J.M.,
- Butsyk, S.,
- Camard, X.,
- Chand, P.,
- Chang, W.C.,
- Chernichenko, S.,
- Chi, C.Y.,
- Chiba, J.,
- Chiu, M.,
- Choi, I.J.,
- Choudhury, R.K.,
- Chujo, T.,
- Cianciolo, V.,
- Cobigo, Y.,
- Cole, B.A.,
- Comets, M.P.,
- Constantin, P.,
- Csanàd, M.,
- Csörgo, T.,
- Cussonneau, J.P.,
- D'enterria, D.,
- Das, K.,
- David, G.,
- Deàk, F.,
- Delagrange, H.,
- Denisov, A.,
- Deshpande, A.,
- Desmond, E.J.,
- Devismes, A.,
- Dietzsch, O.,
- Drachenberg, J.L.,
- Drapier, O.,
- Drees, A.,
- Durum, A.,
- Dutta, D.,
- Dzhordzhadze, V.,
- Efremenko, Y.V.,
- En'yo, H.,
- Espagnon, B.,
- Esumi, S.,
- Fields, D.E.,
- Finck, C.,
- Fleuret, F.,
- Fokin, S.L.,
- Fox, B.D.,
- Fraenkel, Z.,
- Frantz, J.E.,
- Franz, A.,
- Frawley, A.D.,
- Fukao, Y.,
- Fung, S.-Y.,
- Gadrat, S.,
- Germain, M.,
- Glenn, A.,
- Gonin, M.,
- Gosset, J.,
- Goto, Y.,
- Granier De Cassagnac, R.,
- Grau, N.,
- Greene, S.V.,
- Grosse Perdekamp, M.,
- Gustafsson, H.-°a.,
- Hachiya, T.,
- Haggerty, J.S.,
- Hamagaki, H.,
- Hansen, A.G.,
- Hartouni, E.P.,
- Harvey, M.,
- Hasuko, K.,
- Hayano, R.,
- He, X.,
- Heffner, M.,
- Hemmick, T.K.,
- Heuser, J.M.,
- Hidas, P.,
- Hiejima, H.,
- Hill, J.C.,
- Hobbs, R.,
- Holzmann, W.,
- Homma, K.,
- Hong, B.,
- Hoover, A.,
- Horaguchi, T.,
- Ichihara, T.,
- Ikonnikov, V.V.,
- Imai, K.,
- Inaba, M.,
- Inuzuka, M.,
- Isenhower, D.,
- Isenhower, L.,
- Ishihara, M.,
- Issah, M.,
- Isupov, A.,
- Jacak, B.V.,
- Jia, J.,
- Jinnouchi, O.,
- Johnson, B.M.,
- Johnson, S.C.,
- Joo, K.S.,
- Jouan, D.,
- Kajihara, F.,
- Kametani, S.,
- Kamihara, N.,
- Kaneta, M.,
- Kang, J.H.,
- Katou, K.,
- Kawabata, T.,
- Kazantsev, A.V.,
- Kelly, S.,
- Khachaturov, B.,
- Khanzadeev, A.,
- Kikuchi, J.,
- Kim, D.J.,
- Kim, E.,
- Kim, G.-B.,
- Kim, H.J.,
- Kinney, E.,
- Kiss, A.,
- Kistenev, E.,
- Kiyomichi, A.,
- Klein-Boesing, C.,
- Kobayashi, H.,
- Kochenda, L.,
- Kochetkov, V.,
- Kohara, R.,
- Komkov, B.,
- Konno, M.,
- Kotchetkov, D.,
- Kozlov, A.,
- Kroon, P.J.,
- Kuberg, C.H.,
- Kunde, G.J.,
- Kurita, K.,
- Kweon, M.J.,
- Kwon, Y.,
- Kyle, G.S.,
- Lacey, R.,
- Lajoie, J.G.,
- Le Bornec, Y.,
- Lebedev, A.,
- Leckey, S.,
- Lee, D.M.,
- Leitch, M.J.,
- Leite, M.A.L.,
- Li, X.H.,
- Lim, H.,
- Litvinenko, A.,
- Liu, M.X.,
- Maguire, C.F.,
- Makdisi, Y.I.,
- Malakhov, A.,
- Manko, V.I.,
- Mao, Y.,
- Martinez, G.,
- Masui, H.,
- Matathias, F.,
- Matsumoto, T.,
- Mccain, M.C.,
- Mcgaughey, P.L.,
- Miake, Y.,
- Miller, T.E.,
- Milov, A.,
- Mioduszewski, S.,
- Mishra, G.C.,
- Mitchell, J.T.,
- Mohanty, A.K.,
- Morrison, D.P.,
- Moss, J.M.,
- Mukhopadhyay, D.,
- Muniruzzaman, M.,
- Nagamiya, S.,
- Nagle, J.L.,
- Nakamura, T.,
- Newby, J.,
- Nyanin, A.S.,
- Nystrand, J.,
- O'brien, E.,
- Ogilvie, C.A.,
- Ohnishi, H.,
- Ojha, I.D.,
- Okada, H.,
- Okada, K.,
- Oskarsson, A.,
- Otterlund, I.,
- Oyama, K.,
- Ozawa, K.,
- Pal, D.,
- Palounek, A.P.T.,
- Pantuev, V.,
- Papavassiliou, V.,
- Park, J.,
- Park, W.J.,
- Pate, S.F.,
- Pei, H.,
- Penev, V.,
- Peng, J.-C.,
- Pereira, H.,
- Peresedov, V.,
- Pierson, A.,
- Pinkenburg, C.,
- Pisani, R.P.,
- Purschke, M.L.,
- Purwar, A.K.,
- Qualls, J.M.,
- J. Rak, 1,
- Ravinovich, I.,
- Read, K.F.,
- Reuter, M.,
- Reygers, K.,
- Riabov, V.,
- Riabov, Y.,
- Roche, G.,
- Romana, A.,
- Rosati, M.,
- Rosendahl, S.S.E.,
- Rosnet, P.,
- Rykov, V.L.,
- Ryu, S.S.,
- Saito, N.,
- Sakaguchi, T.,
- Sakai, S.,
- Samsonov, V.,
- Sanfratello, L.,
- Santo, R.,
- Sato, H.D.,
- Sato, S.,
- Sawada, S.,
- Schutz, Y.,
- Semenov, V.,
- Seto, R.,
- Shea, T.K.,
- Shein, I.,
- Shibata, T.-A.,
- Shigaki, K.,
- Shimomura, M.,
- Sickles, A.,
- Silva, C.L.,
- Silvermyr, D.,
- Sim, K.S.,
- Soldatov, A.,
- Soltz, R.A.,
- Sondheim, W.E.,
- Sorensen, S.P.,
- Sourikova, I.V.,
- Staley, F.,
- Stankus, P.W.,
- Stenlund, E.,
- Stepanov, M.,
- Ster, A.,
- Stoll, S.P.,
- Sugitate, T.,
- Sullivan, J.P.,
- Takagi, S.,
- Takagui, E.M.,
- Taketani, A.,
- Tanaka, K.H.,
- Tanaka, Y.,
- Tanida, K.,
- Tannenbaum, M.J.,
- Taranenko, A.,
- Tarjan, P.,
- Thomas, T.L.,
- Togawa, M.,
- Tojo, J.,
- Torii, H.,
- Towell, R.S.,
- Tram, V.-N.,
- Tserruya, I.,
- Tsuchimoto, Y.,
- Tydesjö, H.,
- Tyurin, N.,
- Uam, T.J.,
- Van Hecke, H.W.,
- Velkovska, J.,
- Velkovsky, M.,
- Veszprémi, V.,
- Vinogradov, A.A.,
- Volkov, M.A.,
- Vznuzdaev, E.,
- Wang, X.R.,
- Watanabe, Y.,
- White, S.N.,
- Willis, N.,
- Wohn, F.K.,
- Woody, C.L.,
- Xie, W.,
- Yanovich, A.,
- Yokkaichi, S.,
- Young, G.R.,
- Yushmanov, I.E.,
- Zajc, W.A.,
- Zhang, C.,
- Zhou, S.,
- Zimànyi, J.,
- Zolin, L.,
- Zong, X.
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Abstract |
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Dihadron correlations at high transverse momentum in d+Au collisions at sqrt(s_NN) = 200 GeV at midrapidity are measured by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). From these correlations we extract several structural characteristics of jets; the root-mean-squared (RMS) transverse momentum of fragmenting hadrons with respect to the jet sqrt(< j_T^2 >), the mean sine-squared angle between the scattered partons < sin^2(phi_jj) >, and the number of particles produced within the dijet that are associated with a high-p_T particle (dN/dx_E distributions). We observe that the fragmentation characteristics of jets in d+Au collisions are very similar to those in p+p collisions and that there is also little dependence on the centrality of the d+Au collision. This is consistent with the nuclear medium having little influence on the fragmentation process. Furthermore, there is no statistically significant increase in the value of < sin^2(phi_jj) > from p+p to d+Au collisions. This constrains the amount of multiple scattering that partons undergo in the cold nuclear medium before and after a hard-collision. |
Publication details |
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