$\sqrt{s_{NN}}=200$ GeV d+Au 碰撞中的直接光子产生
核实验
2013-12-10 v1
摘要
在快度中心区测量了 GeV d+Au 碰撞中的直接光子。通过测量近实虚光子 ( GeV/c) 和实光子 ( GeV/c)，覆盖了广泛的范围。d+Au 碰撞中直接光子的不变产额与标度后的 p+p 截面之比符合 unity。假设标准冷核物质效应的理论计算很好地描述了整个范围内的数据。这表明在 Au+Au 碰撞中观察到的 GeV/c 范围内直接光子的巨大增强源于初始态核效应以外的来源。
引用
@article{arxiv.1208.1234,
title = {Direct photon production in d+Au collisions at sqrt(s_NN)=200 GeV},
author = {A. Adare and S. S. Adler and S. Afanasiev and C. Aidala and N. N. Ajitanand and Y. Akiba and H. Al-Bataineh and A. Al-Jamel and J. Alexander and A. Angerami and K. Aoki and N. Apadula and L. Aphecetche and Y. Aramaki and R. Armendariz and S. H. Aronson and J. Asai and E. T. Atomssa and R. Averbeck and T. C. Awes and B. Azmoun and V. Babintsev and M. Bai and G. Baksay and L. Baksay and A. Baldisseri and K. N. Barish and P. D. Barnes and B. Bassalleck and A. T. Basye and S. Bathe and S. Batsouli and V. Baublis and F. Bauer and C. Baumann and A. Bazilevsky and S. Belikov and R. Belmont and R. Bennett and A. Berdnikov and Y. Berdnikov and J. H. Bhom and A. A. Bickley and M. T. Bjorndal and D. S. Blau and J. G. Boissevain and J. S. Bok and H. Borel and K. Boyle and M. L. Brooks and D. S. Brown and N. Bruner and D. Bucher and H. Buesching and V. Bumazhnov and G. Bunce and J. M. Burward-Hoy and S. Butsyk and C. M. Camacho and X. Camard and S. Campbell and A. Caringi and P. Chand and B. S. Chang and W. C. Chang and J. -L. Charvet and C. -H. Chen and S. Chernichenko and C. Y. Chi and J. Chiba and M. Chiu and I. J. Choi and J. B. Choi and R. K. Choudhury and P. Christiansen and T. Chujo and P. Chung and A. Churyn and O. Chvala and V. Cianciolo and Z. Citron and Y. Cobigo and B. A. Cole and M. P. Comets and Z. Conesa del Valle and M. Connors and P. Constantin and M. Csanád and T. Csörgő and J. P. Cussonneau and T. Dahms and S. Dairaku and I. Danchev and K. Das and A. Datta and G. David and M. K. Dayananda and F. Deák and H. Delagrange and A. Denisov and D. d'Enterria and A. Deshpande and E. J. Desmond and A. Devismes and K. V. Dharmawardane and O. Dietzsch and A. Dion and M. Donadelli and J. L. Drachenberg and O. Drapier and A. Drees and K. A. Drees and A. K. Dubey and J. M. Durham and A. Durum and D. Dutta and V. Dzhordzhadze and L. D'Orazio and S. Edwards and Y. V. Efremenko and F. Ellinghaus and T. Engelmore and A. Enokizono and H. En'yo and B. Espagnon and S. Esumi and K. O. Eyser and B. Fadem and D. E. Fields and C. Finck and M. Finger and M. Finger and F. Fleuret and S. L. Fokin and B. D. Fox and Z. Fraenkel and J. E. Frantz and A. Franz and A. D. Frawley and K. Fujiwara and Y. Fukao and S. -Y. Fung and T. Fusayasu and S. Gadrat and I. Garishvili and M. Germain and A. Glenn and H. Gong and M. Gonin and J. Gosset and Y. Goto and R. Granier de Cassagnac and N. Grau and S. V. Greene and G. Grim and M. Grosse Perdekamp and T. Gunji and H. -Å. Gustafsson and T. Hachiya and A. Hadj Henni and J. S. Haggerty and K. I. Hahn and H. Hamagaki and J. Hamblen and R. Han and J. Hanks and A. G. Hansen and E. P. Hartouni and K. Haruna and M. Harvey and E. Haslum and K. Hasuko and R. Hayano and X. He and M. Heffner and T. K. Hemmick and T. Hester and J. M. Heuser and P. Hidas and H. Hiejima and J. C. Hill and R. Hobbs and M. Hohlmann and W. Holzmann and K. Homma and B. Hong and A. Hoover and T. Horaguchi and D. Hornback and S. Huang and T. Ichihara and R. Ichimiya and H. Iinuma and Y. Ikeda and V. V. Ikonnikov and K. Imai and J. Imrek and M. Inaba and M. Inuzuka and D. Isenhower and L. Isenhower and M. Ishihara and T. Isobe and M. Issah and A. Isupov and D. Ivanischev and Y. Iwanaga and B. V. Jacak and J. Jia and X. Jiang and J. Jin and O. Jinnouchi and B. M. Johnson and S. C. Johnson and T. Jones and K. S. Joo and D. Jouan and D. S. Jumper and F. Kajihara and S. Kametani and N. Kamihara and J. Kamin and M. Kaneta and J. H. Kang and J. Kapustinsky and K. Karatsu and M. Kasai and K. Katou and T. Kawabata and D. Kawall and M. Kawashima and A. V. Kazantsev and S. Kelly and T. Kempel and B. Khachaturov and A. Khanzadeev and K. M. Kijima and J. Kikuchi and A. Kim and B. I. Kim and D. H. Kim and D. J. Kim and E. Kim and E. -J. Kim and E. J. Kim and G. -B. Kim and H. J. Kim and S. H. Kim and Y. -J. Kim and E. Kinney and K. Kiriluk and Á. Kiss and E. Kistenev and A. Kiyomichi and J. Klay and C. Klein-Boesing and D. Kleinjan and H. Kobayashi and L. Kochenda and V. Kochetkov and R. Kohara and B. Komkov and M. Konno and J. Koster and D. Kotchetkov and A. Kozlov and A. Král and A. Kravitz and P. J. Kroon and C. H. Kuberg and G. J. Kunde and K. Kurita and M. Kurosawa and M. J. Kweon and Y. Kwon and G. S. Kyle and R. Lacey and Y. S. Lai and J. G. Lajoie and D. Layton and A. Lebedev and Y. Le Bornec and S. Leckey and D. M. Lee and J. Lee and K. B. Lee and K. S. Lee and T. Lee and M. J. Leitch and M. A. L. Leite and B. Lenzi and X. Li and X. H. Li and P. Lichtenwalner and P. Liebing and H. Lim and L. A. Linden Levy and T. Liška and A. Litvinenko and H. Liu and M. X. Liu and B. Love and D. Lynch and C. F. Maguire and Y. I. Makdisi and A. Malakhov and M. D. Malik and V. I. Manko and E. Mannel and Y. Mao and G. Martinez and L. Mašek and H. Masui and F. Matathias and T. Matsumoto and M. C. McCain and M. McCumber and P. L. McGaughey and N. Means and B. Meredith and Y. Miake and T. Mibe and A. C. Mignerey and P. Mikeš and K. Miki and T. E. Miller and A. Milov and S. Mioduszewski and G. C. Mishra and M. Mishra and J. T. Mitchell and A. K. Mohanty and H. J. Moon and Y. Morino and A. Morreale and D. P. Morrison and J. M. Moss and T. V. Moukhanova and D. Mukhopadhyay and M. Muniruzzaman and T. Murakami and J. Murata and S. Nagamiya and J. L. Nagle and M. Naglis and M. I. Nagy and I. Nakagawa and Y. Nakamiya and K. R. Nakamura and T. Nakamura and K. Nakano and S. Nam and J. Newby and M. Nguyen and M. Nihashi and T. Niita and R. Nouicer and A. S. Nyanin and J. Nystrand and C. Oakley and E. O'Brien and S. X. Oda and C. A. Ogilvie and H. Ohnishi and I. D. Ojha and M. Oka and K. Okada and Y. Onuki and A. Oskarsson and I. Otterlund and M. Ouchida and K. Oyama and K. Ozawa and R. Pak and D. Pal and A. P. T. Palounek and V. Pantuev and V. Papavassiliou and I. H. Park and J. Park and S. K. Park and W. J. Park and S. F. Pate and H. Pei and V. Penev and J. -C. Peng and H. Pereira and V. Peresedov and D. Yu. Peressounko and R. Petti and A. Pierson and C. Pinkenburg and R. P. Pisani and M. Proissl and M. L. Purschke and A. K. Purwar and H. Qu and J. M. Qualls and J. Rak and A. Rakotozafindrabe and I. Ravinovich and K. F. Read and S. Rembeczki and M. Reuter and K. Reygers and V. Riabov and Y. Riabov and E. Richardson and D. Roach and G. Roche and S. D. Rolnick and A. Romana and M. Rosati and C. A. Rosen and S. S. E. Rosendahl and P. Rosnet and P. Rukoyatkin and P. Ružička and V. L. Rykov and S. S. Ryu and B. Sahlmueller and N. Saito and T. Sakaguchi and S. Sakai and K. Sakashita and V. Samsonov and L. Sanfratello and S. Sano and R. Santo and H. D. Sato and S. Sato and T. Sato and S. Sawada and Y. Schutz and K. Sedgwick and J. Seele and R. Seidl and A. Yu. Semenov and V. Semenov and R. Seto and D. Sharma and T. K. Shea and I. Shein and T. -A. Shibata and K. Shigaki and M. Shimomura and K. Shoji and P. Shukla and A. Sickles and C. L. Silva and D. Silvermyr and C. Silvestre and K. S. Sim and B. K. Singh and C. P. Singh and V. Singh and M. Slunečka and A. Soldatov and R. A. Soltz and W. E. Sondheim and S. P. Sorensen and I. V. Sourikova and F. Staley and P. W. Stankus and E. Stenlund and M. Stepanov and A. Ster and S. P. Stoll and T. Sugitate and C. Suire and A. Sukhanov and J. P. Sullivan and J. Sziklai and S. Takagi and E. M. Takagui and A. Taketani and R. Tanabe and K. H. Tanaka and Y. Tanaka and S. Taneja and K. Tanida and M. J. Tannenbaum and S. Tarafdar and A. Taranenko and P. Tarján and H. Themann and D. Thomas and T. L. Thomas and M. Togawa and A. Toia and J. Tojo and L. Tomášek and Y. Tomita and H. Torii and R. S. Towell and V-N. Tram and I. Tserruya and Y. Tsuchimoto and H. Tydesjö and N. Tyurin and T. J. Uam and C. Vale and H. Valle and H. W. van Hecke and E. Vazquez-Zambrano and A. Veicht and J. Velkovska and M. Velkovsky and R. Vértesi and V. Veszprémi and A. A. Vinogradov and M. Virius and M. A. Volkov and V. Vrba and E. Vznuzdaev and X. R. Wang and D. Watanabe and K. Watanabe and Y. Watanabe and F. Wei and R. Wei and J. Wessels and S. N. White and N. Willis and D. Winter and F. K. Wohn and C. L. Woody and R. M. Wright and M. Wysocki and W. Xie and Y. L. Yamaguchi and K. Yamaura and R. Yang and A. Yanovich and J. Ying and S. Yokkaichi and Z. You and G. R. Young and I. Younus and I. E. Yushmanov and W. A. Zajc and O. Zaudtke and C. Zhang and S. Zhou and J. Zimányi and L. Zolin and X. Zong},
journal= {arXiv preprint arXiv:1208.1234},
year = {2013}
}
备注
547 authors, 7 pages, 4 figures. Submitted to Phys. Rev. Lett.. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html