在质心能量平方根√sNN = 200 GeV的金离子与金离子碰撞中，π介子和（反）氘核的椭圆流
Elliptic flow for phi mesons and (anti)deuterons in Au+Au collisions at square root of sNN=200 GeV.
作者信息
Afanasiev S, Aidala C, Ajitanand N N, Akiba Y, Alexander J, Al-Jamel A, Aoki K, Aphecetche L, Armendariz R, Aronson S H, Averbeck R, Awes T C, Azmoun B, Babintsev V, Baldisseri A, Barish K N, Barnes P D, Bassalleck B, Bathe S, Batsouli S, Baublis V, Bauer F, Bazilevsky A, Belikov S, Bennett R, Berdnikov Y, Bjorndal M T, Boissevain J G, Borel H, Boyle K, Brooks M L, Brown D S, Bucher D, Buesching H, Bumazhnov V, Bunce G, Burward-Hoy J M, Butsyk S, Campbell S, Chai J-S, Chernichenko S, Chiba J, Chi C Y, Chiu M, Choi I J, Chujo T, Cianciolo V, Cleven C R, Cobigo Y, Cole B A, Comets M P, Constantin P, Csanád M, Csörgo T, Dahms T, Das K, David G, Delagrange H, Denisov A, d'Enterria D, Deshpande A, Desmond E J, Dietzsch O, Dion A, Drachenberg J L, Drapier O, Drees A, Dubey A K, Durum A, Dzhordzhadze V, Efremenko Y V, Egdemir J, Enokizono A, En'yo H, Espagnon B, Esumi S, Fields D E, Fleuret F, Fokin S L, Forestier B, Fraenkel Z, Frantz J E, Franz A, Frawley A D, Fukao Y, Fung S-Y, Gadrat S, Gastineau F, Germain M, Glenn A, Gonin M, Gosset J, Goto Y, Granier de Cassagnac R, Grau N, Greene S V, Grosse Perdekamp M, Gunji T, Gustafsson H-A, Hachiya T, Hadj Henni A, Haggerty J S, Hagiwara M N, Hamagaki H, Harada H, Hartouni E P, Haruna K, Harvey M, Haslum E, Hasuko K, Hayano R, Heffner M, Hemmick T K, Heuser J M, He X, Hiejima H, Hill J C, Hobbs R, Holmes M, Holzmann W, Homma K, Hong B, Horaguchi T, Hur M G, Ichihara T, Imai K, Inaba M, Isenhower D, Isenhower L, Ishihara M, Isobe T, Issah M, Isupov A, Jacak B V, Jia J, Jin J, Jinnouchi O, Johnson B M, Joo K S, Jouan D, Kajihara F, Kametani S, Kamihara N, Kaneta M, Kang J H, Kawagishi T, Kazantsev A V, Kelly S, Khanzadeev A, Kim D J, Kim E, Kim Y-S, Kinney E, Kiss A, Kistenev E, Kiyomichi A, Klein-Boesing C, Kochenda L, Kochetkov V, Komkov B, Konno M, Kotchetkov D, Kozlov A, Kroon P J, Kunde G J, Kurihara N, Kurita K, Kweon M J, Kwon Y, Kyle G S, Lacey R, Lajoie J G, Lebedev A, Le Bornec Y, Leckey S, Lee D M, Lee M K, Leitch M J, Leite M A L, Lim H, Litvinenko A, Liu M X, Li X H, Maguire C F, Makdisi Y I, Malakhov A, Malik M D, Manko V I, Masui H, Matathias F, McCain M C, McGaughey P L, Miake Y, Miller T E, Milov A, Mioduszewski S, Mishra G C, Mitchell J T, Morrison D P, Moss J M, Moukhanova T V, Mukhopadhyay D, Murata J, Nagamiya S, Nagata Y, Nagle J L, Naglis M, Nakamura T, Newby J, Nguyen M, Norman B E, Nyanin A S, Nystrand J, O'Brien E, Ogilvie C A, Ohnishi H, Ojha I D, Okada H, Okada K, Omiwade O O, Oskarsson A, Otterlund I, Ozawa K, Pal D, Palounek A P T, Pantuev V, Papavassiliou V, Park J, Park W J, Pate S F, Pei H, Peng J-C, Pereira H, Peresedov V, Peressounko D Yu, Pinkenburg C, Pisani R P, Purschke M L, Purwar A K, Qu H, Rak J, 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, Rukoyatkin P, Rykov V L, Ryu S S, Sahlmueller B, Saito N, Sakaguchi T, Sakai S, Samsonov V, Sato H D, Sato S, Sawada S, Semenov V, Seto R, Sharma D, Shea T K, Shein I, Shibata T-A, Shigaki K, Shimomura M, Shohjoh T, Shoji K, Sickles A, Silva C L, Silvermyr D, Sim K S, Singh C P, Singh V, Skutnik S, Smith W C, 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, Suire C, Sullivan J P, Sziklai J, Tabaru T, Takagi S, Takagui E M, Taketani A, Tanaka K H, Tanaka Y, Tanida K, Tannenbaum M J, Taranenko A, Tarján P, Thomas T L, Togawa M, Tojo J, Torii H, Towell R S, Tram V-N, Tserruya I, Tsuchimoto Y, Tuli S K, Tydesjö H, Tyurin N, Vale C, Valle H, vanHecke H W, Velkovska J, Vertesi R, Vinogradov A A, Vznuzdaev E, Wagner M, Wang X R, Watanabe Y, Wessels J, White S N, Willis N, Winter D, Woody C L, Wysocki M, Xie W, Yanovich A, Yokkaichi S, Young G R, Younus I, Yushmanov I E, Zajc W A, Zaudtke O, Zhang C, Zimányi J, Zolin L
机构信息
Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia.
出版信息
Phys Rev Lett. 2007 Aug 3;99(5):052301. doi: 10.1103/PhysRevLett.99.052301. Epub 2007 Jul 31.
Differential elliptic flow (v(2)) for phi mesons and (anti)deuterons (d)d is measured for Au+Au collisions at square root of sNN=200 GeV. The v(2) for phi mesons follows the trend of lighter pi+/- and K+/- mesons, suggesting that ordinary hadrons interacting with standard hadronic cross sections are not the primary driver for elliptic flow development. The v(2) values for (d)d suggest that elliptic flow is additive for composite particles. This further validation of the universal scaling of v(2) per constituent quark for baryons and mesons suggests that partonic collectivity dominates the transverse expansion dynamics.
在质心能量(\sqrt{s_{NN}} = 200) GeV的金离子与金离子碰撞中，测量了(\phi)介子和反氘核（(\bar{d})）的微分椭圆流（(v_2)）。(\phi)介子的(v_2)遵循较轻的(\pi^{\pm})和(K^{\pm})介子的趋势，这表明与标准强子截面相互作用的普通强子不是椭圆流发展的主要驱动力。反氘核（(\bar{d})）的(v_2)值表明，椭圆流对于复合粒子是可加的。对于重子和介子，每夸克组分的(v_2)的普遍标度的这一进一步验证表明，部分子集体性主导了横向膨胀动力学。
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