中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Neutral pion cross section and spin asymmetries at intermediate pseudorapidity in polarized proton collisions at root s=200 GeV

文献类型:期刊论文

作者Adamczyk, L ; Adkins, JK ; Agakishiev, G ; Aggarwal, MM ; Ahammed, Z ; Alekseev, I ; Alford, J ; Anson, CD ; Aparin, A ; Arkhipkin, D ; Aschenauer, EC ; Averichev, GS ; Balewski, J ; Banerjee, A ; Barber, B ; Barnovska, Z ; Beavis, DR ; Bellwied, R ; Betancourt, MJ ; Bhasin, A ; Bhati, AK ; Bhattarai, P ; Bichsel, H ; Bielcik, J ; Bielcikova, J ; Bland, LC ; Bordyuzhin, IG ; Borowski, W ; Bouchet, J ; Brandin, AV ; Bridgeman, A ; Brovko, SG ; Bultmann, S ; Bunzarov, I ; Burton, TP ; Butterworth, J ; Caines, H ; Sanchez, MCD ; Cebra, D ; Cendejas, R ; Cervantes, MC ; Chaloupka, P ; Chang, Z ; Chattopadhyay, S ; Chen, HF ; Chen, JH ; Chen, L ; Cheng, J ; Cherney, M ; Chikanian, A ; Christie, W ; Chwastowski, J ; Codrington, MJM ; Corliss, R ; Cramer, JG ; Crawford, HJ ; Cui, X ; Das, S ; Leyva, AD ; De Silva, LC ; Debbe, RR ; Dedovich, TG ; Deng, J ; Derevschikov, AA ; de Souza, RD ; Dhamija, S ; di Ruzza, B ; Didenko, L ; Dilks, C ; Ding, F ; Dion, A ; Djawotho, P ; Dong, X ; Drachenberg, JL ; Draper, JE ; Du, CM ; Dunkelberger, LE ; Dunlop, JC ; Efimov, LG ; Engelage, J ; Engle, KS ; Eppley, G ; Eun, L ; Evdokimov, O ; Fatemi, R ; Fazio, S ; Fedorisin, J ; Fersch, RG ; Filip, P ; Finch, E ; Fisyak, Y ; Flores, CE ; Gagliardi, CA ; Gangadharan, DR ; Garand, D ; Geurts, F ; Gibson, A ; Girard, M ; Gliske, S ; Grosnick, D ; Guo, Y ; Gupta, A ; Gupta, S ; Guryn, W ; Haag, B ; Hajkova, O ; Hamed, A ; Han, LX ; Haque, R ; Harris, JW ; Hays-Wehle, JP ; He, W ; Heppelmann, S ; Hirsch, A ; Hoffmann, GW ; Hofman, DJ ; Horvat, S ; Huang, B ; Huang, HZ ; Huck, P ; Humanic, TJ ; Igo, G ; Jacobs, WW ; Jang, H ; Jena, C ; Judd, EG ; Kabana, S ; Kalinkin, D ; Kang, K ; Kauder, K ; Ke, HW ; Keane, D ; Kechechyan, A ; Kesich, A ; Khan, ZH ; Kikola, DP ; Kisel, I ; Kisiel, A ; Koetke, DD ; Kollegger, T ; Konzer, J ; Koralt, I ; Korsch, W ; Kotchenda, L ; Kravtsov, P ; Krueger, K ; Kulakov, I ; Kumar, L ; Kycia, RA ; Lamont, MAC ; Landgraf, JM ; Landry, KD ; Lauret, J ; Lebedev, A ; Lednicky, R ; Lee, JH ; Leight, W ; LeVine, MJ ; Li, C ; Li, W ; Li, X ; Li, X ; Li, Y ; Li, ZM ; Lima, LM ; Lisa, MA ; Liu, F ; Ljubicic, T ; Llope, WJ ; Longacre, RS ; Luo, X ; Ma, GL ; Ma, YG ; Don, DMMDM ; Mahapatra, DP ; Majka, R ; Manweiler, R ; Margetis, S ; Markert, C ; Masui, H ; Matis, HS ; McDonald, D ; McShane, TS ; Minaev, NG ; Mioduszewski, S ; Mohanty, B ; Mondal, MM ; Morozov, DA ; Munhoz, MG ; Mustafa, MK ; Naglis, M ; Nandi, BK ; Nasim, M ; Nayak, TK ; Nelson, JM ; Nogach, LV ; Noh, SY ; Nord, PM ; Novak, J ; Nurushev, SB ; Odyniec, G ; Ogawa, A ; Oh, K ; Ohlson, A ; Okorokov, V ; Oldag, EW ; Oliveira, RAN ; Olson, D ; Pachr, M ; Page, BS ; Pal, SK ; Pan, YX ; Pandit, Y ; Panebratsev, Y ; Pawlak, T ; Pawlik, B ; Pei, H ; Perkins, C ; Peryt, W ; Peterson, A ; Pile, P ; Planinic, M ; Pluta, J ; Plyku, D ; Pochron, W ; Poljak, N ; Porter, J ; Poskanzer, AM ; Powell, CB ; Pruneau, C ; Pruthi, NK ; Przybycien, M ; Pujahari, PR ; Putschke, J ; Qiu, H ; Ramachandran, S ; Raniwala, R ; Raniwala, S ; Ray, RL ; Riley, CK ; Ritter, HG ; Roberts, JB ; Rogachevskiy, OV ; Romero, JL ; Ross, JF ; Roy, A ; Ruan, L ; Rusnak, J ; Sahoo, NR ; Sahu, PK ; Sakrejda, I ; Salur, S ; Sandacz, A ; Sandweiss, J ; Sangaline, E ; Sarkar, A ; Schambach, J ; Scharenberg, RP ; Schaub, J ; Schmah, AM ; Schmidke, WB ; Schmitz, N ; Seger, J ; Selyuzhenkov, I ; Seyboth, P ; Shah, N ; Shahaliev, E ; Shanmuganathan, PV ; Shao, M ; Sharma, B ; Shen, WQ ; Shi, SS ; Shou, QY ; Sichtermann, EP ; Singaraju, RN ; Skoby, MJ ; Smirnov, D ; Smirnov, N ; Solanki, D ; Sorensen, P ; deSouza, UG ; Spinka, HM ; Srivastava, B ; Stanislaus, TDS ; Stevens, JR ; Stock, R ; Strikhanov, M ; Stringfellow, B ; Suaide, AAP ; Sumbera, M ; Sun, X ; Sun, XM ; Sun, Y ; Sun, Z ; Surrow, B ; Svirida, DN ; Symons, TJM ; de Toledo, AS ; Takahashi, J ; Tang, AH ; Tang, Z ; Tarnowsky, T ; Thomas, JH ; Timmins, AR ; Tlusty, D ; Tokarev, M ; Trentalange, S ; Tribble, RE ; Tribedy, P ; Trzeciak, BA ; Tsai, OD ; Turnau, J ; Ullrich, T ; Underwood, DG ; Van Buren, G ; van Nieuwenhuizen, G ; Vanfossen, JA ; Varma, R ; Vasconcelos, GMS ; Vasiliev, AN ; Vertesi, R ; Videbk, F ; Viyogi, YP ; Vokal, S ; Voloshin, SA ; Vossen, A ; Wada, M ; Walker, M ; Wang, F ; Wang, G ; Wang, H ; Wang, JS ; Wang, Q ; Wang, XL ; Wang, Y ; Wang, Y ; Webb, G ; Webb, JC ; Westfall, GD ; Wieman, H ; Wissink, SW ; Witt, R ; Wu, YF ; Xiao, Z ; Xie, W ; Xin, K ; Xu, H ; Xu, N ; Xu, QH ; Xu, W ; Xu, Y ; Xu, Z ; Yan, W ; Yang, C ; Yang, Y ; Yang, Y ; Ye, Z ; Yepes, P ; Yi, L ; Yip, K ; Yoo, IK ; Zawisza, Y ; Zbroszczyk, H ; Zha, W ; Zhang, JB ; Zhang, S ; Zhang, XP ; Zhang, Y ; Zhang, ZP ; Zhao, F ; Zhao, J ; Zhong, C ; Zhu, X ; Zhu, YH ; Zoulkarneeva, Y ; Zyzak, M
刊名PHYSICAL REVIEW D
出版日期2014
卷号89期号:1
ISSN号1550-7998
关键词PLUS P COLLISIONS PI-0 PRODUCTION PARTON DISTRIBUTIONS TRANSVERSE-MOMENTUM STAR FRAGMENTATION ANTIPROTONS QCD
英文摘要The differential cross section and spin asymmetries for neutral pions produced within the intermediate pseudorapidity range 0.8 < eta < 2.0 in polarized proton-proton collisions at root s = 200 GeV are presented. Neutral pions were detected using the end cap electromagnetic calorimeter in the STAR detector at RHIC. The cross section was measured over a transverse momentum range of 5 < p(T) < 16 GeV/c and is found to agree with a next-to-leading order perturbative QCD calculation. The longitudinal double-spin asymmetry A(LL) is measured in the same pseudorapidity range and spans a range of Bjorken-x down to x approximate to 0.01. The measured A(LL) is consistent with model predictions for varying degrees of gluon polarization. The parity-violating asymmetry A(L) is also measured and found to be consistent with zero. The transverse single-spin asymmetry A(N) is measured over a previously unexplored kinematic range in Feynman-x and p(T). Such measurements may aid our understanding of the onset and kinematic dependence of the large asymmetries observed at more forward pseudorapidity (eta approximate to 3) and their underlying mechanisms. The A(N) results presented are consistent with a twist-3 model prediction of a small asymmetry over the present kinematic range.
收录类别SCI
语种英语
WOS记录号WOS:000331864800001
公开日期2015-03-13
源URL[http://ir.sinap.ac.cn/handle/331007/14268]  
专题上海应用物理研究所_中科院上海应用物理研究所2011-2017年
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Adamczyk, L,Adkins, JK,Agakishiev, G,et al. Neutral pion cross section and spin asymmetries at intermediate pseudorapidity in polarized proton collisions at root s=200 GeV[J]. PHYSICAL REVIEW D,2014,89(1).
APA Adamczyk, L.,Adkins, JK.,Agakishiev, G.,Aggarwal, MM.,Ahammed, Z.,...&Zyzak, M.(2014).Neutral pion cross section and spin asymmetries at intermediate pseudorapidity in polarized proton collisions at root s=200 GeV.PHYSICAL REVIEW D,89(1).
MLA Adamczyk, L,et al."Neutral pion cross section and spin asymmetries at intermediate pseudorapidity in polarized proton collisions at root s=200 GeV".PHYSICAL REVIEW D 89.1(2014).

入库方式: OAI收割

来源:上海应用物理研究所

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