Open Access

Measurement of emission-angle anisotropy via long-range angular correlations with high- $p_{T}$ hadrons in $d + Au$ and $p + p$ collisions at $\sqrt{s_{NN}} = 200$ GeV

A. Adare¹³, C. Aidala^45,46, N. N. Ajitanand^66,*, Y. Akiba^60,61,†, H. Al-Bataineh⁵⁴, J. Alexander⁶⁶, M. Alfred²⁵, A. Angerami¹⁴, K. Aoki^33,36,60 et al. (PHENIX Collaboration)

K. Aoki^33,36,60, N. Apadula^30,67, Y. Aramaki^12,60, E. T. Atomssa³⁷, R. Averbeck⁶⁷, T. C. Awes⁵⁶, B. Azmoun⁷, V. Babintsev²⁶, A. Bagoly¹⁸, M. Bai⁶, G. Baksay²¹, L. Baksay²¹, K. N. Barish⁸, B. Bassalleck⁵³, A. T. Basye¹, S. Bathe^5,8,61, V. Baublis⁵⁹, C. Baumann⁴⁷, A. Bazilevsky⁷, S. Belikov^7,*, R. Belmont^13,72, R. Bennett⁶⁷, A. Berdnikov⁶³, Y. Berdnikov⁶³, J. H. Bhom⁷⁶, D. S. Blau^35,52, M. Boer⁴⁰, J. S. Bok^54,76, K. Boyle^61,67, M. L. Brooks⁴⁰, J. Bryslawskyj^5,8, H. Buesching⁷, V. Bumazhnov²⁶, G. Bunce^7,61, S. Butsyk⁴⁰, S. Campbell^14,67, V. Canoa Roman⁶⁷, A. Caringi⁴⁸, C.-H. Chen^61,67, C. Y. Chi¹⁴, M. Chiu⁷, I. J. Choi^27,76, J. B. Choi^10,*, R. K. Choudhury⁴, P. Christiansen⁴², T. Chujo⁷¹, P. Chung⁶⁶, O. Chvala⁸, V. Cianciolo⁵⁶, Z. Citron^67,74, B. A. Cole¹⁴, Z. Conesa del Valle³⁷, M. Connors^23,61,67, M. Csanád¹⁸, T. Csörgő^19,75, T. Dahms⁶⁷, S. Dairaku^36,60, I. Danchev⁷², T. W. Danley⁵⁵, K. Das²², A. Datta⁴⁵, M. S. Daugherity¹, G. David^7,67, M. K. Dayananda²³, K. DeBlasio⁵³, K. Dehmelt⁶⁷, A. Denisov²⁶, A. Deshpande^61,67, E. J. Desmond⁷, K. V. Dharmawardane⁵⁴, O. Dietzsch⁶⁴, A. Dion^30,67, J. H. Do⁷⁶, M. Donadelli⁶⁴, L. D'Orazio⁴⁴, O. Drapier³⁷, A. Drees⁶⁷, K. A. Drees⁶, J. M. Durham^40,67, A. Durum²⁶, D. Dutta⁴, S. Edwards²², Y. V. Efremenko⁵⁶, F. Ellinghaus¹³, T. Engelmore¹⁴, A. Enokizono^56,60,62, H. En'yo^60,61, S. Esumi⁷¹, B. Fadem⁴⁸, W. Fan⁶⁷, N. Feege⁶⁷, D. E. Fields⁵³, M. Finger⁹, M. Finger, Jr.⁹, F. Fleuret³⁷, S. L. Fokin³⁵, Z. Fraenkel^74,*, J. E. Frantz^55,67, A. Franz⁷, A. D. Frawley²², K. Fujiwara⁶⁰, Y. Fukao⁶⁰, Y. Fukuda⁷¹, T. Fusayasu⁵⁰, C. Gal⁶⁷, P. Gallus¹⁵, P. Garg^3,67, I. Garishvili^39,69, H. Ge⁶⁷, A. Glenn³⁹, H. Gong⁶⁷, M. Gonin³⁷, Y. Goto^60,61, R. Granier de Cassagnac³⁷, N. Grau^2,14, S. V. Greene⁷², G. Grim⁴⁰, M. Grosse Perdekamp²⁷, T. Gunji¹², H.-Å. Gustafsson^42,*, T. Hachiya⁶¹, J. S. Haggerty⁷, K. I. Hahn²⁰, H. Hamagaki¹², J. Hamblen⁶⁹, R. Han⁵⁸, S. Y. Han²⁰, J. Hanks^14,67, S. Hasegawa³¹, T. O. S. Haseler²³, E. Haslum⁴², R. Hayano¹², X. He²³, M. Heffner³⁹, T. K. Hemmick⁶⁷, T. Hester⁸, J. C. Hill³⁰, K. Hill¹³, A. Hodges²³, M. Hohlmann²¹, W. Holzmann¹⁴, K. Homma²⁴, B. Hong³⁴, T. Horaguchi²⁴, D. Hornback⁶⁹, T. Hoshino²⁴, N. Hotvedt³⁰, J. Huang⁷, S. Huang⁷², T. Ichihara^60,61, R. Ichimiya⁶⁰, Y. Ikeda⁷¹, K. Imai^31,36,60, J. Imrek¹⁷, M. Inaba⁷¹, D. Isenhower¹, M. Ishihara⁶⁰, M. Issah⁷², D. Ivanishchev⁵⁹, Y. Iwanaga²⁴, B. V. Jacak⁶⁷, Z. Ji⁶⁷, J. Jia^7,66, X. Jiang⁴⁰, J. Jin¹⁴, B. M. Johnson^7,23, T. Jones¹, K. S. Joo⁴⁹, V. Jorjadze⁶⁷, D. Jouan⁵⁷, D. S. Jumper^1,27, F. Kajihara¹², J. Kamin⁶⁷, J. H. Kang⁷⁶, J. Kapustinsky⁴⁰, K. Karatsu^36,60, S. Karthas⁶⁷, M. Kasai^60,62, D. Kawall^45,61, M. Kawashima^60,62, A. V. Kazantsev³⁵, T. Kempel³⁰, V. Khachatryan⁶⁷, A. Khanzadeev⁵⁹, K. M. Kijima²⁴, J. Kikuchi⁷³, A. Kim²⁰, B. I. Kim³⁴, C. Kim^8,34, D. J. Kim³², E.-J. Kim¹⁰, M. Kim⁶⁵, M. H. Kim³⁴, Y.-J. Kim²⁷, D. Kincses¹⁸, E. Kinney¹³, Á. Kiss¹⁸, E. Kistenev⁷, D. Kleinjan⁸, T. Koblesky¹³, L. Kochenda⁵⁹, B. Komkov⁵⁹, M. Konno⁷¹, J. Koster²⁷, D. Kotov^59,63, A. Král¹⁵, A. Kravitz¹⁴, S. Kudo⁷¹, G. J. Kunde⁴⁰, B. Kurgyis¹⁸, K. Kurita^60,62, M. Kurosawa^60,61, Y. Kwon⁷⁶, G. S. Kyle⁵⁴, R. Lacey⁶⁶, Y. S. Lai¹⁴, J. G. Lajoie³⁰, A. Lebedev³⁰, D. M. Lee⁴⁰, J. Lee^20,68, K. B. Lee³⁴, K. S. Lee³⁴, S. H. Lee³⁰, M. J. Leitch⁴⁰, M. A. L. Leite⁶⁴, Y. H. Leung⁶⁷, N. A. Lewis⁴⁶, X. Li¹¹, X. Li⁴⁰, P. Lichtenwalner⁴⁸, P. Liebing⁶¹, S. H. Lim^40,76, L. A. Linden Levy¹³, T. Liška¹⁵, H. Liu⁴⁰, M. X. Liu⁴⁰, S. Lökös^18,19, B. Love⁷², D. Lynch⁷, C. F. Maguire⁷², Y. I. Makdisi⁶, M. Makek⁷⁷, M. D. Malik⁵³, V. I. Manko³⁵, E. Mannel^7,14, Y. Mao^58,60, H. Masuda⁶², H. Masui⁷¹, F. Matathias¹⁴, M. McCumber^40,67, P. L. McGaughey⁴⁰, D. McGlinchey^13,22,40, N. Means⁶⁷, B. Meredith²⁷, W. J. Metzger¹⁹, Y. Miake⁷¹, T. Mibe³³, A. C. Mignerey⁴⁴, D. E. Mihalik⁶⁷, K. Miki^60,71, A. Milov^7,74, D. K. Mishra⁴, J. T. Mitchell⁷, G. Mitsuka⁶¹, A. K. Mohanty⁴, H. J. Moon⁴⁹, T. Moon⁷⁶, Y. Morino¹², A. Morreale⁸, D. P. Morrison⁷, S. I. Morrow⁷², T. V. Moukhanova³⁵, T. Murakami^36,60, J. Murata^60,62, K. Nagai⁷⁰, S. Nagamiya^33,60, K. Nagashima²⁴, J. L. Nagle¹³, M. Naglis⁷⁴, M. I. Nagy^18,75, I. Nakagawa^60,61, H. Nakagomi^60,71, Y. Nakamiya²⁴, K. R. Nakamura^36,60, T. Nakamura⁶⁰, K. Nakano^60,70, S. Nam²⁰, C. Nattrass⁶⁹, J. Newby³⁹, M. Nguyen⁶⁷, M. Nihashi²⁴, R. Nouicer^7,61, T. Novák^19,75, N. Novitzky^32,67, A. S. Nyanin³⁵, C. Oakley²³, E. O'Brien⁷, S. X. Oda¹², C. A. Ogilvie³⁰, M. Oka⁷¹, K. Okada⁶¹, Y. Onuki⁶⁰, J. D. Orjuela Koop¹³, J. D. Osborn⁴⁶, A. Oskarsson⁴², M. Ouchida^24,60, K. Ozawa^12,33,71, R. Pak⁷, V. Pantuev^28,67, V. Papavassiliou⁵⁴, I. H. Park^20,68, J. S. Park⁶⁵, S. Park^60,65,67, S. K. Park³⁴, W. J. Park³⁴, S. F. Pate⁵⁴, M. Patel³⁰, H. Pei³⁰, J.-C. Peng²⁷, W. Peng⁷², H. Pereira¹⁶, D. V. Perepelitsa^7,13, G. D. N. Perera⁵⁴, D. Yu. Peressounko³⁵, C. E. PerezLara⁶⁷, R. Petti^7,67, C. Pinkenburg⁷, R. P. Pisani⁷, M. Proissl⁶⁷, A. Pun⁵⁵, M. L. Purschke⁷, H. Qu²³, P. V. Radzevich⁶³, J. Rak³², I. Ravinovich⁷⁴, K. F. Read^56,69, S. Rembeczki²¹, K. Reygers⁴⁷, V. Riabov^52,59, Y. Riabov^59,63, E. Richardson⁴⁴, D. Richford⁵, T. Rinn³⁰, D. Roach⁷², G. Roche^41,*, S. D. Rolnick⁸, M. Rosati³⁰, C. A. Rosen¹³, S. S. E. Rosendahl⁴², Z. Rowan⁵, J. Runchey³⁰, P. Ružička²⁹, B. Sahlmueller^47,67, N. Saito³³, T. Sakaguchi⁷, K. Sakashita^60,70, H. Sako³¹, V. Samsonov^52,59, S. Sano^12,73, M. Sarsour²³, K. Sato⁷¹, S. Sato^31,33, T. Sato⁷¹, S. Sawada³³, B. K. Schmoll⁶⁹, K. Sedgwick⁸, J. Seele¹³, R. Seidl^27,60,61, A. Sen^30,69, R. Seto⁸, A. Sexton⁴⁴, D. Sharma^67,74, I. Shein²⁶, T.-A. Shibata^60,70, K. Shigaki²⁴, M. Shimomura^30,51,71, K. Shoji^36,60, P. Shukla⁴, A. Sickles^7,27, C. L. Silva^30,40, D. Silvermyr^42,56, C. Silvestre¹⁶, K. S. Sim³⁴, B. K. Singh³, C. P. Singh³, V. Singh³, M. J. Skoby⁴⁶, M. Slunečka⁹, R. A. Soltz³⁹, W. E. Sondheim⁴⁰, S. P. Sorensen⁶⁹, I. V. Sourikova⁷, P. W. Stankus⁵⁶, E. Stenlund⁴², S. P. Stoll⁷, T. Sugitate²⁴, A. Sukhanov⁷, J. Sziklai⁷⁵, E. M. Takagui⁶⁴, A. Takeda⁵¹, A. Taketani^60,61, R. Tanabe⁷¹, Y. Tanaka⁵⁰, S. Taneja⁶⁷, K. Tanida^{31,36,60,61,65}, M. J. Tannenbaum⁷, S. Tarafdar^3,72, A. Taranenko^52,66, G. Tarnai¹⁷, H. Themann⁶⁷, D. Thomas¹, T. L. Thomas⁵³, R. Tieulent⁴³, A. Timilsina³⁰, M. Togawa⁶¹, A. Toia⁶⁷, L. Tomášek²⁹, H. Torii²⁴, C. L. Towell¹, R. S. Towell¹, I. Tserruya⁷⁴, Y. Tsuchimoto²⁴, Y. Ueda²⁴, B. Ujvari¹⁷, C. Vale⁷, H. Valle⁷², H. W. van Hecke⁴⁰, S. Vazquez-Carson¹³, E. Vazquez-Zambrano¹⁴, A. Veicht^14,27, J. Velkovska⁷², R. Vértesi⁷⁵, M. Virius¹⁵, V. Vrba^15,29, E. Vznuzdaev⁵⁹, X. R. Wang^54,61, Z. Wang⁵, D. Watanabe²⁴, K. Watanabe⁷¹, Y. Watanabe^60,61, F. Wei^30,54, R. Wei⁶⁶, J. Wessels⁴⁷, S. N. White⁷, D. Winter¹⁴, C. L. Woody⁷, R. M. Wright¹, M. Wysocki^13,56, C. Xu⁵⁴, Q. Xu⁷², Y. L. Yamaguchi^12,60,61,67, K. Yamaura²⁴, R. Yang²⁷, A. Yanovich²⁶, P. Yin¹³, J. Ying²³, S. Yokkaichi^60,61, J. H. Yoo³⁴, Z. You⁵⁸, G. R. Young⁵⁶, I. Younus^38,53, H. Yu⁵⁴, I. E. Yushmanov³⁵, W. A. Zajc¹⁴, S. Zharko⁶³, S. Zhou¹¹, and L. Zou⁸ (PHENIX Collaboration)

¹Abilene Christian University, Abilene, Texas 79699, USA
²Department of Physics, Augustana University, Sioux Falls, South Dakota 57197, USA
³Department of Physics, Banaras Hindu University, Varanasi 221005, India
⁴Bhabha Atomic Research Centre, Bombay 400 085, India
⁵Baruch College, City University of New York, New York, New York, 10010 USA
⁶Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
⁷Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
⁸University of California–Riverside, Riverside, California 92521, USA
⁹Charles University, Ovocný trh 5, Praha 1, 116 36 Prague, Czech Republic
¹⁰Chonbuk National University, Jeonju 561-756, Korea
¹¹Science and Technology on Nuclear Data Laboratory, China Institute of Atomic Energy, Beijing 102413, People's Republic of China
¹²Center for Nuclear Study, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
¹³University of Colorado, Boulder, Colorado 80309, USA
¹⁴Columbia University, New York, New York 10027 and Nevis Laboratories, Irvington, New York 10533, USA
¹⁵Czech Technical University, Zikova 4, 166 36 Prague 6, Czech Republic
¹⁶Dapnia, CEA Saclay, F-91191, Gif-sur-Yvette, France
¹⁷Debrecen University, H-4010 Debrecen, Egyetem tér 1, Hungary
¹⁸ELTE, Eötvös Loránd University, H-1117 Budapest, Pázmány Péter sétány 1/A, Hungary
¹⁹Eszterházy Károly University, Károly Róbert Campus, H-3200 Gyöngyös, Mátrai út 36, Hungary
²⁰Ewha Womans University, Seoul 120-750, Korea
²¹Florida Institute of Technology, Melbourne, Florida 32901, USA
²²Florida State University, Tallahassee, Florida 32306, USA
²³Georgia State University, Atlanta, Georgia 30303, USA
²⁴Hiroshima University, Kagamiyama, Higashi-Hiroshima 739-8526, Japan
²⁵Department of Physics and Astronomy, Howard University, Washington, DC 20059, USA
²⁶IHEP Protvino, State Research Center of Russian Federation, Institute for High Energy Physics, Protvino 142281, Russia
²⁷University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
²⁸Institute for Nuclear Research of the Russian Academy of Sciences, Prospekt 60-letiya Oktyabrya 7a, Moscow 117312, Russia
²⁹Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, 182 21 Prague 8, Czech Republic
³⁰Iowa State University, Ames, Iowa 50011, USA
³¹Advanced Science Research Center, Japan Atomic Energy Agency, 2-4 Shirakata Shirane, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195, Japan
³²Helsinki Institute of Physics and University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
³³KEK, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan
³⁴Korea University, Seoul, 136-701, Korea
³⁵National Research Center “Kurchatov Institute”, Moscow 123098, Russia
³⁶Kyoto University, Kyoto 606-8502, Japan
³⁷Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS-IN2P3, Route de Saclay, F-91128 Palaiseau, France
³⁸Physics Department, Lahore University of Management Sciences, Lahore 54792, Pakistan
³⁹Lawrence Livermore National Laboratory, Livermore, California 94550, USA
⁴⁰Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
⁴¹LPC, Université Blaise Pascal, CNRS-IN2P3, Clermont-Fd, 63177 Aubiere Cedex, France
⁴²Department of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden
⁴³IPNL, CNRS/IN2P3, Université Lyon, Universit Lyon 1, F-69622 Villeurbanne, France
⁴⁴University of Maryland, College Park, Maryland 20742, USA
⁴⁵Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003-9337, USA
⁴⁶Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1040, USA
⁴⁷Institut für Kernphysik, University of Muenster, D-48149 Muenster, Germany
⁴⁸Muhlenberg College, Allentown, Pennsylvania 18104-5586, USA
⁴⁹Myongji University, Yongin, Kyonggido 449-728, Korea
⁵⁰Nagasaki Institute of Applied Science, Nagasaki-shi, Nagasaki 851-0193, Japan
⁵¹Nara Women's University, Kita-uoya Nishi-machi Nara 630-8506, Japan
⁵²National Research Nuclear University, MEPhI, Moscow Engineering Physics Institute, Moscow 115409, Russia
⁵³University of New Mexico, Albuquerque, New Mexico 87131, USA
⁵⁴New Mexico State University, Las Cruces, New Mexico 88003, USA
⁵⁵Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
⁵⁶Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
⁵⁷IPN-Orsay, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, BP1, F-91406 Orsay, France
⁵⁸Peking University, Beijing 100871, People's Republic of China
⁵⁹PNPI, Petersburg Nuclear Physics Institute, Gatchina, Leningrad Region 188300, Russia
⁶⁰RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
⁶¹RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
⁶²Physics Department, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
⁶³Saint Petersburg State Polytechnic University, St. Petersburg 195251, Russia
⁶⁴Universidade de São Paulo, Instituto de Física, Caixa Postal 66318, São Paulo CEP05315-970, Brazil
⁶⁵Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea
⁶⁶Chemistry Department, Stony Brook University, SUNY, Stony Brook, New York 11794-3400, USA
⁶⁷Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
⁶⁸Sungkyunkwan University, Suwon 440-746, Korea
⁶⁹University of Tennessee, Knoxville, Tennessee 37996, USA
⁷⁰Department of Physics, Tokyo Institute of Technology, Oh-okayama, Meguro, Tokyo 152-8551, Japan
⁷¹Tomonaga Center for the History of the Universe, University of Tsukuba, Tsukuba, Ibaraki 305, Japan
⁷²Vanderbilt University, Nashville, Tennessee 37235, USA
⁷³Waseda University, Advanced Research Institute for Science and Engineering, 17 Kikui-cho, Shinjuku-ku, Tokyo 162-0044, Japan
⁷⁴Weizmann Institute, Rehovot 76100, Israel
⁷⁵Institute for Particle and Nuclear Physics, Wigner Research Centre for Physics, Hungarian Academy of Sciences (Wigner RCP, RMKI) H-1525 Budapest 114, P.O. Box 49, Budapest, Hungary
⁷⁶Yonsei University, IPAP, Seoul 120-749, Korea
⁷⁷Department of Physics, Faculty of Science, University of Zagreb, Bijenička c. 32 HR-10002 Zagreb, Croatia

^*Deceased.
^†PHENIX Spokesperson: akiba@rcf.rhic.bnl.gov

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Phys. Rev. C 98, 014912 – Published 26 July, 2018

DOI: https://doi.org/10.1103/PhysRevC.98.014912

Abstract

We present measurements of two-particle angular correlations between high-transverse-momentum ( $2 < p_{T} < 11$ GeV/ $c$ ) $π^{0}$ observed at midrapidity ( $| η | < 0.35$ ) and particles produced either at forward ( $3.1 < η < 3.9$ ) or backward ( $- 3.7 < η < - 3.1$ ) rapidity in $d + Au$ and $p + p$ collisions at $\sqrt{s_{_{NN}}} = 200$ GeV. The azimuthal angle correlations for particle pairs with this large rapidity gap in the Au-going direction exhibit a characteristic structure that persists up to $p_{T} \approx 6$ GeV/ $c$ and which strongly depends on collision centrality, which is a similar characteristic to the hydrodynamical particle flow in $A + A$ collisions. The structure is absent in the $d$ -going direction as well as in $p + p$ collisions, in the transverse-momentum range studied. The results indicate that the structure is shifted in the Au-going direction toward more central collisions, similar to the charged-particle pseudorapidity distributions.

Physics Subject Headings (PhySH)

Article Text

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Phys. Rev. C 98, 014912– Published 26 July, 2018

Vol. 98, Iss. 1 — July 2018

Received 27 November 2017
Revised 23 March 2018

DOI: https://doi.org/10.1103/PhysRevC.98.014912

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP³.

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Measurement of emission-angle anisotropy via long-range angular correlations with high- $p_{T}$ hadrons in $d + Au$ and $p + p$ collisions at $\sqrt{s_{NN}} = 200$ GeV

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Measurement of emission-angle anisotropy via long-range angular correlations with high-pT hadrons in d+Au and p+p collisions at sNN=200 GeV

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Measurement of emission-angle anisotropy via long-range angular correlations with high- $p_{T}$ hadrons in $d + Au$ and $p + p$ collisions at $\sqrt{s_{NN}} = 200$ GeV