Lambda Lambda Correlation Function In Au Plus Au Collisions At Root S(Nn)=200 Gev

L Adamczyk, X Zhu,H M Spinka, M J Skoby,J M Landgraf,S Heppelmann,J Seger,G Van Nieuwenhuizen,A Bhasin,Srinivas Ramachandran, Jiangyuan Zhao,Z P Zhang,John T Novak,T P Burton,R A Kycia,Jong Ho Lee,B A Trzeciak, H Masui,S Y Noh,L C De Silva,R Lednicky,K Kang,P Kravtsov,A Sarkar,W B Schmidke,S Mioduszewski,P Chaloupka,D C Mcdonald, K S Engle,Z M Li, A K Bhati, Z Ahammed,Y X Pan,T Pawlak,K Xin,Nanping Xu,Wei Yan,A Kechechyan, J B Zhang,F Ding, J M Campbell,I G Bordyuzhin,D R Gangadharan, R E Tribble,J M Nelson, J L Romero,N R Sahoo,N Poljak, D Cebra,Y Pandit,W Borowski, M A Lisa,Weimin Li, J Bouchet,Kwanghoon Oh,S Vokal,A V Brandin,Y F Wu,J K Adkins,Xuejun Li,A H Tang,J Alford,T Kollegger,C Anson,R Debbe, H F Chen,G W Hoffmann,P Filip,D P Kikola,Zhaojun Sun,I Kisel, Lv Yi,K D Landry,F J M Geurts,Shaoguang Zhang,O Rusnakova,Z Ye,Yan Guo,E P Sichtermann,J Schambach,D Keane,S Margetis, S G Brovko,R Derradi De Souza,I K Yoo,M C Cervantes, J H Chen,Jun Deng,Fangfang Liu, G Nigmatkulov,S S Das, M Strikhanov,Q H Xu,Lalit Kumar, G Wang,J R Stevens,Alejandro Quintero, J B Roberts,J Turnau,Brenda Bannan Haag,S Bultmann, N Smirnov,Olga Evdokimov,L C Bland, M Cherney,M Planinic, C Markert,M K Mustafa,Min Shao,D D Koetke,I Koralt, S Gliske, H Pei,T D S Stanislaus, D G Underwood,J Takahashi,W W Jacobs,L G Efimov,A Aparin,D Tlusty,P Tribedy, J Lauret,J C Dunlop, J Bielcik,Yubao Sun,B Pawlik,T G Dedovich,A N Vasiliev, X L Wang,M Przybycien,X M Sun,A Schmah,J Konzer, A Hirsch,S Kabana,Surojit Chattopadhyay,D A Morozov,L Kotchenda, Zenghong Xu,S W Wissink,T S Mcshane,A A Derevschikov,M A Szelezniak, X Huang,B Stringfellow, Binayak P Mohanty,M R Girard,Xiangbin Cui,H Bichsel,I Sakrejda,B Surrow, A Kisiel,L Didenko,H S Matis,D J Hofman,M Calderon De La Barca Sanchez,D Solanki,R A Stock,P Yepes,J Porter,P Djawotho, Zhenyu Xiao,J Engelage,Md Nasim, B Srivastava,Y Fisyak,H Wieman, Igor Kulakov,H Jang, Yin Zhang,C Li, J W Harris,K Kauder,Huaxi Xu,Michal Simko,Z H Khan, J Fedorisin,V Okorokov,W Guryn,F Videbaek,Angela M Gibson,H Zbroszczyk,A Ohlson,I Alekseev,Hong Wang, M M Aggarwal,Peter M Huck, T J Humanic,S Salur,Feng Wang, J G Cramer,L X Han,J H Thomas,C M Du,Chinlung Yang, T K Nayak,C Perkins,Wei Xie, Z Tang, John J Rusnak,Y Zoulkarneeva,R S Longacre, M Sumbera,D Grosnick, B Di Ruzza,J S Wang, J Cheng,L Ruan, R Haque,D Arkhipkin,G Van Buren,T Ullrich,A Davila Leyva, Xuanjun Dong,A R Timmins, E C Aschenauer,R Vertesi,K Yip,D Smirnov,H Caines,Naman K Shah,J Chwastowski,S Raniwala, A Chikanian, J Putschke,A F Kraishan,Z Chang,Pradip Kumar Sahu,P Sorensen,O V Rogachevskiy,N K Pruthi,A Vossen,K Poniatowska,M Lomnitz,P V Shanmuganathan,G Agakishiev, B K Sharma,Yunfei Xu,S K Gupta,O Eyser,C Dilks,A K Gupta,S Horvat,L Eun,G S Averichev,Y Panebratsev,A Kesich,G Contin,S Trentalange,M Vandenbroucke,H J Crawford,M M Mondal,O D Tsai,P Bhattarai,E G Judd,J C Webb,A T Lebedev,M J M Codrington,K Krueger,J A Vanfossen,Q Y Shou,R Fatemi,C K Riley,N Schmitz, Yueqiong Wang,D P Mahapatra,D R Beavis,X Luo,B S Page,E Sangaline,J E Draper,E W Oldag,E Shahaliev,C E Flores,Lan Chen,T J M Symons, Yun Yang,L V Nogach,A Ogawa,Fang Zhao,Bohrran Huang,S S Shi,M Tokarev,G D Westfall,L Greiner,R Varma,Y G Ma,J M Butterworth,Y H Zhu,H W Ke, B K Nandi, J Bielcikova,N Yu,Geoffrey I Webb,J Pluta,T Ljubicic,Sergio Fazio, R Bellwied,M A C Lamont,C A Gagliardi,W Q Shen,A Hamed,I Bunzarov,Y P Viyogi,N G Minaev,G Odyniec, Yunfeng Li,John Ross,P Pile,R Cendejas,W J Llope, R P Scharenberg,G Eppley,Caijun Zhong,D N Svirida,Aritra Banerjee,G Igo,L E Dunkelberger,D S Gunarathne,R Majka,D Kalinkin,X P Zhang,H Z Huang, J L Drachenberg,P Seyboth,A M Poskanzer,Haiyan Qiu,R L Ray, R Raniwala,L K Kosarzewski,Jiping Xu,T Tarnowsky,S B Nurushev,Weibin Zha,D L Olvitt,G M S Vasconcelos,J Sandweiss,W Christie,M Wada,G L Ma,D Garand,H G Ritter, Ambrish Roy,R Witt

PHYSICAL REVIEW LETTERS（2015）

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摘要

We present Lambda Lambda correlation measurements in heavy-ion collisions for Au + Au collisions at root s(NN) = 200 GeV using the STAR experiment at the Relativistic Heavy-Ion Collider. The Lednicky-Lyuboshitz analytical model has been used to fit the data to obtain a source size, a scattering length and an effective range. Implications of the measurement of the Lambda Lambda correlation function and interaction parameters for dihyperon searches are discussed.

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关键词

scattering length,correlation function,correlation,gold,star

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