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Mean-field effects on matter and antimatter elliptic flow

Nuclear Science and Techniques 2013年第5期24卷 132-139页

作者： KO Cheming CHEN Liewen GRECO Vincenzo LI Feng LIN Ziwei PLUMARI Salvatore song taesoo XU Jun Cyclotron Institute and Department of Physics and Astronomy Texas A & M UniversityCollege Station Department of Physics Shanghai Jiao Tong University Dipartimento di Fisica e Astronomia Universitá di CataniaVia S.Sofia 64 Department of Physics East Carolina UniversityC-209 Howell Science ComplexGreenville Shanghai Institute of Applied Physics Chinese Academy of Sciences

We report our recent work on mean-field potential effects on the elliptic flows of matters and antimatters in heavy ion collisions leading to the production of a baryon-rich *** the framework of a multiphase transport(AMPT) model that includes both initial partonic and final hadronic interactions,we have found that including mean-field potentials in the hadronic phase leads to a splitting of the elliptic flows of particles and their antiparticles,providing thus a plausible explanation of the different elliptic flows between p and anti-p,K+and K-,and π+ and π- observed by the STAR Collaboration in the Beam Energy Scan(BES) program at the Relativistic Heavy Ion Collider(RHIC).Using a partonic transport model based on the Nambu-Jona-Lasinio(NJL) model,we have also studied the effect of scalar and vector mean fields on the elliptic flows of quarks and antiquarks in these *** quarks and antiquarks at hadronization to hadrons via the quark coalescence model,we have found that the elliptic flow differences between particles and antiparticles also depend on the strength of the quark vector coupling in baryon-rich quark-gluon plasma,providing thus the possibility of extracting information on the latter's properties from the BES program at RHIC.

关键词：椭圆流平均场反物质强子相互作用重离子碰撞重离子对撞机输运模型 RHIC

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RHIC束流能量扫描实验中正反粒子椭圆流的平均场势效应(英文)

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原子核物理评论 2015年第2期32卷 146-153页

作者：徐骏柯治明李锋 song taesoo 刘鹤中国科学院上海应用物理研究所上海201800 CYCLOTRON INSTITUTE AND DEPARTMENT OF PHYSICS AND ASTRONOMY TEXAS A&M UNIVERSITYCOLLEGE STATION FRANKFURT INSTITUT FOR ADVANCED STUDIES THEORETICAL PHYSICS JOHANN WOLFGANG GOETHE UNIVERSITAT 中国科学院大学北京100049

最近,STAR合作体在相对论重离子对撞机的束流能量扫描实验中观测到了正反粒子的椭圆流劈裂。基于输运模型,发现丰重子介质中正反粒子平均场势的不同可以解释其椭圆流的劈裂。利用Nambu-Jona-Lasinio模型描述相对论重离子碰撞的部分子相... 详细信息

最近,STAR合作体在相对论重离子对撞机的束流能量扫描实验中观测到了正反粒子的椭圆流劈裂。基于输运模型,发现丰重子介质中正反粒子平均场势的不同可以解释其椭圆流的劈裂。利用Nambu-Jona-Lasinio模型描述相对论重离子碰撞的部分子相,发现实验中正反粒子的相对椭圆流劈裂可以用来约束该模型中夸克矢量相互作用的耦合系数。这一发现对确定QCD相图的临界点位置和理解整个QCD的相结构有重要意义。

关键词：束流能量扫描 QCD相图椭圆流

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Lump type crossed fused renal ectopia with bilateral vesicoureteral reflux: A case report

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World Journal of Clinical Cases 2019年第6期7卷 773-777页

作者： taesoo Choi Koo Han Yoo Ran song Dong-Gi Lee Department of Urology School of MedicineKyung Hee University Division of Rheumatology Department of Internal MedicineSchool of MedicineKyung Hee University

BACKGROUND Crossed fused renal ectopia is a rare congenital anomaly of the ascent of the kidney. This anomaly may be observed as a solitary kidney during initial evaluation. A solitary kidney must be evaluated for associated anomalies such as duplication,horseshoe kidney,or crossed renal *** SUMMARY An anomaly was observed in a 9-mo-old male child who was subsequently diagnosed with crossed fused renal ectopia and vesicoureteral reflux(VUR). In this condition,recurrent febrile urinary tract infection can be a serious problem,and can easily cause renal damage due to relatively short ureters and high pressure in the *** To prevent urosepsis and preserve renal function,early diagnosis and proper management including surgical correction should be considered for the management of renal ectopia with VUR.

关键词： Kidney Congenital abnormalities Vesicoureteral reflux Ureteroneocystostomy Politano-Leadbetter Case report

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