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. 2016 Mar 25;116(12):122301.
doi: 10.1103/PhysRevLett.116.122301. Epub 2016 Mar 24.

Centrality-Dependent Modification of Jet-Production Rates in Deuteron-Gold Collisions at √[s(NN)]=200 GeV

A Adare  1 C Aidala  2   3 N N Ajitanand  4 Y Akiba  5   6 H Al-Bataineh  7 J Alexander  4 M Alfred  8 A Angerami  9 K Aoki  10   11   5 N Apadula  12   13 Y Aramaki  14   5 H Asano  11   5 E T Atomssa  15 R Averbeck  13 T C Awes  16 B Azmoun  17 V Babintsev  18 M Bai  19 G Baksay  20 L Baksay  20 N S Bandara  2 B Bannier  13 K N Barish  21 B Bassalleck  22 A T Basye  23 S Bathe  24   21   6 V Baublis  25 C Baumann  17   26 A Bazilevsky  17 M Beaumier  21 S Beckman  1 S Belikov  17 R Belmont  1   3   27 R Bennett  13 A Berdnikov  28 Y Berdnikov  28 J H Bhom  29 D S Blau  30 J S Bok  7   29 K Boyle  6   13 M L Brooks  31 J Bryslawskyj  24 H Buesching  17 V Bumazhnov  18 G Bunce  17   6 S Butsyk  31 S Campbell  9   12   13 A Caringi  32 C-H Chen  6   13 C Y Chi  9 M Chiu  17 I J Choi  33   29 J B Choi  34 R K Choudhury  35 P Christiansen  36 T Chujo  37 P Chung  4 O Chvala  21 V Cianciolo  16 Z Citron  13   38 B A Cole  9 Z Conesa Del Valle  15 M Connors  13 M Csanád  39 T Csörgő  40 T Dahms  13 S Dairaku  11   5 I Danchev  27 T W Danley  41 K Das  42 A Datta  2   22 M S Daugherity  23 G David  17 M K Dayananda  43 K DeBlasio  22 K Dehmelt  13 A Denisov  18 A Deshpande  6   13 E J Desmond  17 K V Dharmawardane  7 O Dietzsch  44 A Dion  12   13 P B Diss  45 J H Do  29 M Donadelli  44 L D'Orazio  45 O Drapier  15 A Drees  13 K A Drees  19 J M Durham  31   13 A Durum  18 D Dutta  35 S Edwards  42 Y V Efremenko  16 F Ellinghaus  1 T Engelmore  9 A Enokizono  16   5   46 H En'yo  5   6 S Esumi  37 B Fadem  32 N Feege  13 D E Fields  22 M Finger  47 M Finger  47 F Fleuret  15 S L Fokin  30 Z Fraenkel  38 J E Frantz  41   13 A Franz  17 A D Frawley  42 K Fujiwara  5 Y Fukao  5 T Fusayasu  48 C Gal  13 P Gallus  49 P Garg  50 I Garishvili  51   52 H Ge  13 F Giordano  33 A Glenn  51 H Gong  13 M Gonin  15 Y Goto  5   6 R Granier de Cassagnac  15 N Grau  53   9 S V Greene  27 G Grim  31 M Grosse Perdekamp  33 T Gunji  14 H-Å Gustafsson  36 T Hachiya  5 J S Haggerty  17 K I Hahn  54 H Hamagaki  14 J Hamblen  52 H F Hamilton  23 R Han  55 S Y Han  54 J Hanks  9   13 S Hasegawa  56 T O S Haseler  43 K Hashimoto  5   46 E Haslum  36 R Hayano  14 X He  43 M Heffner  51 T K Hemmick  13 T Hester  21 J C Hill  12 M Hohlmann  20 R S Hollis  21 W Holzmann  9 K Homma  57 B Hong  58 T Horaguchi  57 D Hornback  52 T Hoshino  57 N Hotvedt  12 J Huang  17 S Huang  27 T Ichihara  5   6 R Ichimiya  5 Y Ikeda  37 K Imai  56   11   5 M Inaba  37 A Iordanova  21 D Isenhower  23 M Ishihara  5 M Issah  27 D Ivanishchev  25 Y Iwanaga  57 B V Jacak  13 M Jezghani  43 J Jia  17   4 X Jiang  31 J Jin  9 B M Johnson  17 T Jones  23 K S Joo  59 D Jouan  60 D S Jumper  23   33 F Kajihara  14 J Kamin  13 S Kanda  14 J H Kang  29 J Kapustinsky  31 K Karatsu  11   5 M Kasai  5   46 D Kawall  2   6 M Kawashima  5   46 A V Kazantsev  30 T Kempel  12 J A Key  22 V Khachatryan  13 A Khanzadeev  25 K M Kijima  57 J Kikuchi  61 A Kim  54 B I Kim  58 C Kim  58 D J Kim  62 E-J Kim  34 G W Kim  54 M Kim  63 Y-J Kim  33 B Kimelman  32 E Kinney  1 Á Kiss  39 E Kistenev  17 R Kitamura  14 J Klatsky  42 D Kleinjan  21 P Kline  13 T Koblesky  1 L Kochenda  25 B Komkov  25 M Konno  37 J Koster  33 D Kotov  25   28 A Král  49 A Kravitz  9 G J Kunde  31 K Kurita  5   46 M Kurosawa  5   6 Y Kwon  29 G S Kyle  7 R Lacey  4 Y S Lai  9 J G Lajoie  12 A Lebedev  12 D M Lee  31 J Lee  54 K B Lee  58 K S Lee  58 S Lee  29 S H Lee  13 M J Leitch  31 M A L Leite  44 X Li  64 P Lichtenwalner  32 P Liebing  6 S H Lim  29 L A Linden Levy  1 T Liška  49 H Liu  31 M X Liu  31 B Love  27 D Lynch  17 C F Maguire  27 Y I Makdisi  19 M Makek  65 M D Malik  22 A Manion  13 V I Manko  30 E Mannel  17   9 Y Mao  55   5 H Masui  37 F Matathias  9 M McCumber  31   13 P L McGaughey  31 D McGlinchey  1   42 C McKinney  33 N Means  13 A Meles  7 M Mendoza  21 B Meredith  33 Y Miake  37 T Mibe  10 A C Mignerey  45 K Miki  5   37 A Milov  17   38 D K Mishra  35 J T Mitchell  17 S Miyasaka  5   66 S Mizuno  5   37 A K Mohanty  35 P Montuenga  33 H J Moon  59 T Moon  29 Y Morino  14 A Morreale  21 D P Morrison  17 T V Moukhanova  30 T Murakami  11   5 J Murata  5   46 A Mwai  4 S Nagamiya  10   5 K Nagashima  57 J L Nagle  1 M Naglis  38 M I Nagy  39   40 I Nakagawa  5   6 H Nakagomi  5   37 Y Nakamiya  57 K R Nakamura  11   5 T Nakamura  5 K Nakano  5   66 S Nam  54 C Nattrass  52 P K Netrakanti  35 J Newby  51 M Nguyen  13 M Nihashi  57 T Niida  37 S Nishimura  14 R Nouicer  17   6 T Novák  67   40 N Novitzky  62   13 A S Nyanin  30 C Oakley  43 E O'Brien  17 S X Oda  14 C A Ogilvie  12 M Oka  37 K Okada  6 Y Onuki  5 J D Orjuela Koop  1 J D Osborn  3 A Oskarsson  36 M Ouchida  57   5 K Ozawa  14   10 R Pak  17 V Pantuev  68   13 V Papavassiliou  7 I H Park  54 J S Park  63 S Park  63 S K Park  58 W J Park  58 S F Pate  7 M Patel  12 H Pei  12 J-C Peng  33 H Pereira  69 D V Perepelitsa  17 G D N Perera  7 D Yu Peressounko  30 J Perry  12 R Petti  17   13 C Pinkenburg  17 R Pinson  23 R P Pisani  17 M Proissl  13 M L Purschke  17 H Qu  43 J Rak  62 B J Ramson  3 I Ravinovich  38 K F Read  16   52 S Rembeczki  20 K Reygers  26 D Reynolds  4 V Riabov  70   25 Y Riabov  25   28 E Richardson  45 T Rinn  12 D Roach  27 G Roche  71 S D Rolnick  21 M Rosati  12 C A Rosen  1 S S E Rosendahl  36 Z Rowan  24 J G Rubin  3 P Ružička  72 B Sahlmueller  26   13 N Saito  10 T Sakaguchi  17 K Sakashita  5   66 H Sako  56 V Samsonov  70   25 S Sano  14   61 M Sarsour  43 S Sato  56   10 T Sato  37 S Sawada  10 B Schaefer  27 B K Schmoll  52 K Sedgwick  21 J Seele  1 R Seidl  33   5   6 A Sen  52 R Seto  21 P Sett  35 A Sexton  45 D Sharma  13   38 I Shein  18 T-A Shibata  5   66 K Shigaki  57 M Shimomura  12   73   37 K Shoji  11   5 P Shukla  35 A Sickles  17   33 C L Silva  12   31 D Silvermyr  36   16 C Silvestre  69 K S Sim  58 B K Singh  50 C P Singh  50 V Singh  50 M Slunečka  47 M Snowball  31 R A Soltz  51 W E Sondheim  31 S P Sorensen  52 I V Sourikova  17 P W Stankus  16 E Stenlund  36 M Stepanov  2   7 S P Stoll  17 T Sugitate  57 A Sukhanov  17 T Sumita  5 J Sun  13 J Sziklai  40 E M Takagui  44 A Taketani  5   6 R Tanabe  37 Y Tanaka  48 S Taneja  13 K Tanida  11   5   6   63 M J Tannenbaum  17 S Tarafdar  50   38 A Taranenko  70   4 H Themann  13 D Thomas  23 T L Thomas  22 R Tieulent  43 A Timilsina  12 T Todoroki  5   37 M Togawa  6 A Toia  13 L Tomášek  72 M Tomášek  49   72 H Torii  57 C L Towell  23 R Towell  23 R S Towell  23 I Tserruya  38 Y Tsuchimoto  57 C Vale  17 H Valle  27 H W van Hecke  31 E Vazquez-Zambrano  9 A Veicht  9   33 J Velkovska  27 R Vértesi  40 M Virius  49 V Vrba  49   72 E Vznuzdaev  25 X R Wang  7   6 D Watanabe  57 K Watanabe  37 Y Watanabe  5   6 Y S Watanabe  14   10 F Wei  12   7 R Wei  4 J Wessels  26 A S White  3 S N White  17 D Winter  9 C L Woody  17 R M Wright  23 M Wysocki  1   16 B Xia  41 L Xue  43 S Yalcin  13 Y L Yamaguchi  14   5   13 K Yamaura  57 R Yang  33 A Yanovich  18 J Ying  43 S Yokkaichi  5   6 J H Yoo  58 I Yoon  63 Z You  55 G R Young  16 I Younus  74   22 H Yu  55 I E Yushmanov  30 W A Zajc  9 A Zelenski  19 S Zhou  64 L Zou  21 PHENIX Collaboration
Affiliations

Centrality-Dependent Modification of Jet-Production Rates in Deuteron-Gold Collisions at √[s(NN)]=200 GeV

A Adare et al. Phys Rev Lett. .

Abstract

Jet production rates are measured in p+p and d+Au collisions at sqrt[s_{NN}]=200 GeV recorded in 2008 with the PHENIX detector at the Relativistic Heavy Ion Collider. Jets are reconstructed using the R=0.3 anti-k_{t} algorithm from energy deposits in the electromagnetic calorimeter and charged tracks in multiwire proportional chambers, and the jet transverse momentum (p_{T}) spectra are corrected for the detector response. Spectra are reported for jets with 12<p_{T}<50 GeV/c, within a pseudorapidity acceptance of |η|<0.3. The nuclear-modification factor (R_{dAu}) values for 0%-100% d+Au events are found to be consistent with unity, constraining the role of initial state effects on jet production. However, the centrality-selected R_{dAu} values and central-to-peripheral ratios (R_{CP}) show large, p_{T}-dependent deviations from unity, challenging the conventional models that relate hard-process rates and soft-particle production in collisions involving nuclei.

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