First Measurement of Λ_{c} Baryon Production in Au+Au Collisions at sqrt[s_{NN}]=200  GeV.

Journal: Physical Review Letters
Published:
Abstract

We report on the first measurement of the charmed baryon Λ_{c}^{±} production at midrapidity (|y|<1) in Au+Au collisions at sqrt[s_{NN}]=200  GeV collected by the STAR experiment at the Relativistic Heavy Ion Collider. The Λ_{c}/D^{0} [denoting (Λ_{c}^{+}+Λ_{c}^{-})/(D^{0}+D[over ¯]^{0})] yield ratio is measured to be 1.08±0.16  (stat)±0.26  (sys) in the 0%-20% most central Au+Au collisions for the transverse momentum (p_{T}) range 3

Authors
J Adam, L Adamczyk, J Adams, J Adkins, G Agakishiev, M Aggarwal, Z Ahammed, I Alekseev, D Anderson, A Aparin, E Aschenauer, M Ashraf, F Atetalla, A Attri, G Averichev, V Bairathi, K Barish, A Behera, R Bellwied, A Bhasin, J Bielcik, J Bielcikova, L Bland, I Bordyuzhin, J Brandenburg, A Brandin, J Butterworth, H Caines, M Calderón De La Barca Sánchez, D Cebra, I Chakaberia, P Chaloupka, B Chan, F-h Chang, Z Chang, N Chankova Bunzarova, A Chatterjee, D Chen, J Chen, X Chen, Z Chen, J Cheng, M Cherney, M Chevalier, S Choudhury, W Christie, H Crawford, M Csanád, M Daugherity, T Dedovich, I Deppner, A Derevschikov, L Didenko, X Dong, J Drachenberg, J Dunlop, T Edmonds, N Elsey, J Engelage, G Eppley, R Esha, S Esumi, O Evdokimov, J Ewigleben, O Eyser, R Fatemi, S Fazio, P Federic, J Fedorisin, C Feng, Y Feng, P Filip, E Finch, Y Fisyak, A Francisco, L Fulek, C Gagliardi, T Galatyuk, F Geurts, A Gibson, K Gopal, D Grosnick, W Guryn, A Hamad, A Hamed, J Harris, W He, X He, S Heppelmann, N Herrmann, E Hoffman, L Holub, Y Hong, S Horvat, Y Hu, H Huang, S Huang, T Huang, X Huang, T Humanic, P Huo, G Igo, D Isenhower, W Jacobs, C Jena, A Jentsch, Y Ji, J Jia, K Jiang, S Jowzaee, X Ju, E Judd, S Kabana, M Kabir, S Kagamaster, D Kalinkin, K Kang, D Kapukchyan, K Kauder, H Ke, D Keane, A Kechechyan, M Kelsey, Y Khyzhniak, D Kikoła, C Kim, B Kimelman, D Kincses, T Kinghorn, I Kisel, A Kiselev, A Kisiel, M Kocan, L Kochenda, L Kosarzewski, L Kramarik, P Kravtsov, K Krueger, N Kulathunga Mudiyanselage, L Kumar, R Kunnawalkam Elayavalli, J Kwasizur, R Lacey, S Lan, J Landgraf, J Lauret, A Lebedev, R Lednicky, J Lee, Y Leung, C Li, W Li, W Li, X Li, Y Li, Y Liang, R Licenik, T Lin, Y Lin, M Lisa, F Liu, H Liu, P Liu, P Liu, T Liu, X Liu, Y Liu, Z Liu, T Ljubicic, W Llope, R Longacre, N Lukow, S Luo, X Luo, G Ma, L Ma, R Ma, Y Ma, N Magdy, R Majka, D Mallick, S Margetis, C Markert, H Matis, J Mazer, N Minaev, S Mioduszewski, B Mohanty, I Mooney, Z Moravcova, D Morozov, M Nagy, J Nam, Md Nasim, K Nayak, D Neff, J Nelson, D Nemes, M Nie, G Nigmatkulov, T Niida, L Nogach, T Nonaka, G Odyniec, A Ogawa, S Oh, V Okorokov, B Page, R Pak, A Pandav, Y Panebratsev, B Pawlik, D Pawlowska, H Pei, C Perkins, L Pinsky, R Pintér, J Pluta, J Porter, M Posik, N Pruthi, M Przybycien, J Putschke, H Qiu, A Quintero, S Radhakrishnan, S Ramachandran, R Ray, R Reed, H Ritter, J Roberts, O Rogachevskiy, J Romero, L Ruan, J Rusnak, N Sahoo, H Sako, S Salur, J Sandweiss, S Sato, W Schmidke, N Schmitz, B Schweid, F Seck, J Seger, M Sergeeva, R Seto, P Seyboth, N Shah, E Shahaliev, P Shanmuganathan, M Shao, F Shen, W Shen, S Shi, Q Shou, E Sichtermann, R Sikora, M Simko, J Singh, S Singha, N Smirnov, W Solyst, P Sorensen, H Spinka, B Srivastava, T D Stanislaus, M Stefaniak, D Stewart, M Strikhanov, B Stringfellow, A Suaide, M Sumbera, B Summa, X Sun, Y Sun, Y Sun, B Surrow, D Svirida, P Szymanski, A Tang, Z Tang, A Taranenko, T Tarnowsky, J Thomas, A Timmins, D Tlusty, M Tokarev, C Tomkiel, S Trentalange, R Tribble, P Tribedy, S Tripathy, O Tsai, Z Tu, T Ullrich, D Underwood, I Upsal, G Van Buren, J Vanek, A Vasiliev, I Vassiliev, F Videbæk, S Vokal, S Voloshin, F Wang, G Wang, J Wang, P Wang, Y Wang, Y Wang, Z Wang, J Webb, P Weidenkaff, L Wen, G Westfall, H Wieman, S Wissink, R Witt, Y Wu, Z Xiao, G Xie, W Xie, H Xu, N Xu, Q Xu, Y Xu, Y Xu, Z Xu, Z Xu, C Yang, Q Yang, S Yang, Y Yang, Z Yang, Z Ye, L Yi, K Yip, H Zbroszczyk, W Zha, D Zhang, S Zhang, S Zhang, X Zhang, Y Zhang, Z Zhang, Z Zhang, J Zhao, C Zhong, C Zhou, X Zhu, Z Zhu, M Zurek, M Zyzak