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| Type: | Artigo de periódico |
| Title: | Energy Dependence of Moments of Net-Proton Multiplicity Distributions at RHIC |
| Author: | 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 Bamovska, Z Beavis, DR Bellwied, R Bhasin, A Bhati, AK Bhattarai, P Bichsel, H Bielcik, J Bielcikova, J Bland, LC Bordyuzhin, IG Borowski, W Bouchet, J Brandin, AV 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, HE Chen, JH Chen, L Cheng, J Chemey, 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, E Djawotho, P Dong, X Drachenberg, JL Draper, JE Du, CM Dunkelberger, LE Dunlop, JC Efmunov, LG Engelage, J Engle, KS Eppley, G Eun, L Evdokimov, O Fatemi, R Fazio, S Fedorisin, J Filip, P Finch, E Fisyak, Y Flores, CE Gagliardi, CA Gangadharan, DR Garand, D Geurts, E 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 Heppelmann, S Hirsch, A Hoffmann, GW Hofman, DJ Horvat, S Huang, B Huang, HZ Huck, P Humanic, TJ Igo, G Jacobs, WW Jang, H 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 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 Nandi, BK Nasim, M Nayak, TK Nelson, JM Nogach, LV Noh, SY Novak, J Nurushev, SB Odyniec, G Ogawa, A Oh, K Ohlson, A Okorokov, V Oldag, EW Oliveira, RAN 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 Poljak, N Porter, J Poskanzer, AM Pruthi, NK Przybycien, M Pujahari, PR Putschke, J Qiu, H Quintero, A 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 Schmah, AM Schmidke, WB Schmitz, N Seger, J Seyboth, P Shah, N Shahaliev, E Shanmuganathan, PV Shao, M Sharma, B Shen, WQ Shi, SS Shou, QY Sichtermann, EP Singaraju, RN Skoby, MJ Smimov, D Smimov, 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 Tumau, J Ullrich, T Underwood, DG Van Buren, G van Nieuwenhuizen, G Vanfossen, JA Varma, R Vasconcelos, GMS Vasiliev, AN Vertesi, R Videbaek, E Viyogi, YP Vokal, S Voloshin, SA Vossen, A Wada, M Walker, M Wang, F Wang, G Wang, H Wang, JS Wang, XL Wang, Y Wang, Y Webb, G Webb, JC Westfall, GD Wieman, H Wissink, SW Witt, R Wu, YE Xiao, Z Xie, W Xin, K Xu, H Xu, N Xu, QH 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 Zoulkameeva, Y Zyzak, M |
| Abstract: | We report the beam energy (root S-NN = 7.7-200 GeV) and collision centrality dependence of the mean (M), standard deviation (sigma), skewness (S), and kurtosis (kappa) of the net-proton multiplicity distributions in Au + Au collisions. The measurements are carried out by the STAR experiment at midrapidity (vertical bar y vertical bar < 0.5) and within the transverse momentum range 0.4 < p(T) < 0.8 GeV/c in the first phase of the Beam Energy Scan program at the Relativistic Heavy Ion Collider. These measurements are important for understanding the quantum chromodynamic phase diagram. The products of the moments, S sigma and K sigma(2), are sensitive to the correlation length of the hot and dense medium created in the collisions and are related to the ratios of baryon number susceptibilities of corresponding orders. The products of moments are found to have values significantly below the Skellam expectation and close to expectations based on independent proton and antiproton production. The measurements are compared to a transport model calculation to understand the effect of acceptance and baryon number conservation and also to a hadron resonance gas model. |
| Country: | EUA |
| Editor: | Amer Physical Soc |
| Citation: | Physical Review Letters. Amer Physical Soc, v. 112, n. 3, 2014. |
| Rights: | aberto |
| Identifier DOI: | 10.1103/PhysRevLett.112.032302 |
| Date Issue: | 2014 |
| Appears in Collections: | Unicamp - Artigos e Outros Documentos |
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