云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(10491300)

国家自然科学基金(10491300): 作品数：33被引量：14H指数：3; 导出分析报告; 相关作者：俞国威何康林李海波黄彬邹佳恒更多>>; 相关机构：中国科学院北京大学山东大学湖南大学更多>>; 相关期刊：《Chinese Physics C》《中国科学：物理学、力学、天文学》《核技术》《核电子学与探测技术》更多>>; 相关主题：BES英文Π北京谱仪衰变更多>>; 相关领域：理学核科学技术自动化与计算机技术机械工程更多>>

北京正负电子对撞机重大改造工程和BESⅢ物理成果被引量：3: 《中国科学：物理学、力学、天文学》2014年第10期1005-1024,共20页陈和生张闯李卫国; 国家自然科学基金(批准号:10491300;10821063;11121192;11235011);国家重点基础研究发展计划(编号:2009CB825200)资助项目; 1988年建成的北京正负电子对撞机(BEPC)使我国在国际高能物理研究领域占据了一席之地,在τ-粲物理研究中居于领先地位.面对激烈的国际竞争,中国科学家提出了对BEPC进行重大改造的计划,即BEPCⅡ.工程从2004年初开始建设,经过5年的努力,...; 关键词：τ-粲物理对撞机加速器探测器

Measurement of J/ψ decays into Λ■ π^+π^-: 《Chinese Physics C》2012年第11期1031-1039,共9页阿布里克木.麦迪娜白景芝白羽班勇蔡啸陈宏芳陈和生陈江川陈进陈元柏陈初萍戴又善邓子艳杜书先方建傅成栋高原宁顾运厅郭子敬 F.A.Huarris 何康林何瑁衡月昆胡海明 T.Hussain 胡涛黄光顺黄性涛黄燕萍季晓斌江晓山焦健斌金大鹏金山李刚李海波李金李蕾李仁英李卫东李卫国李晓玲李小男李学潜梁勇飞刘北江刘春秀刘芳刘峰刘宏邦刘怀民刘觉平刘倩刘荣光刘振安吕峰鲁公儒吕军光罗成林马凤才马海龙马秋海 M.Q.A.Malik 毛泽普莫晓虎聂晶 S.L.Olsen 平荣刚邱进发荣刚阮向东单连友尚雷沈成平沈肖雁盛华义孙海生孙胜森孙永昭孙志嘉唐晓田俊平 G.S.Varner 万霞王岚王亮亮王灵淑王平王佩良王贻芳王铮王至勇魏诚林魏代会吴宁许国发俆新平俆晔阎沐霖杨洪勋杨明杨永栩叶铭汉叶云秀喻纯旭苑长征袁野曾云张丙新张炳云张长春张达华张华桥章红宇张家文张建勇张学尧张一云张子平赵京伟赵明刚赵平平赵政国郑波郑海青郑建平郑志鹏钟彬周莉朱科军朱启明朱兴旺朱永生朱自安邹冰松; Supported by National Natural Science Foundation of China(10491300,10225524,10225525,10425523,10625524,10521003,10821063,10825524);Chinese Academy of Sciences(KJ95T-03);100Talents Program of CAS(U-11,U-24,U-25);Knowledge Innovation Project of CAS(U-602,U-34)(IHEP);National Natural Science Foundation of China(10775077,10225522)(Tsinghua University);Department of Energy(DE-FG02-04ER41291)(U.Hawaii); Based on 58 million J/ψ events collected by the BESⅡ detector at the BEPC, J/ψ→ΛΛ π＋π- is observed for the first time. The branching fraction is measured to be Br（J/ψ→ΛΛ π＋π-）=（4.30±0.13±0.99）×1...; 关键词：baryonic decays branching fraction alpha distribution

Application of movable collimators to the BEPCⅡ: 《Chinese Physics C》2010年第11期1742-1748,共7页罗涛金大鹏邢军黄楠董明义李卫国李海波吴英志张清江刘冠川; Supported by National Natural Science Foundation of China(10491300);National Science Fund for Distinguished Young Scholars(10225524);Major Programs of Chinese Academy of Sciences(KJ95T-03); BEPCⅡ is a double ring e＋ecollider with high beam currents and luminosity,so the high beamrelated backgrounds may disturb the detector.In order to have a good quality of data taking,backgrounds should be kept at a l...; 关键词：movable collimators beam-related backgrounds dark current

Charmonium results from BES: 《Chinese Physics C》2010年第6期626-631,共6页平荣刚; Supported by National Natural Science Foundation of China (10491300,10225524,10225525,10425523,10625524,10521003,10821063,10825524);Chinese Academy of Sciences (KJ 95T-03);100 Talents Program of CAS (U-11,U-24,U-25);Knowledge Innovation Project of CAS (U-602,U-34 (IHEP));National Natural Science Foundation of China (10225522 (Tsinghua University)); Using ～ 14 × 10^6 ψ（2S） and ～ 58 × 10^ J/ ψ data collected at BES Ⅱ/BEPC, the branching fraction of ψ（2S）→Ω-Ω^＋ is measured with about 5a statistical significance. The A electric dipole and ∧ decay p...; 关键词：charmonium decays J/Ψ XcJ ψ（2S） BES Ⅱ/BESⅢ experiment

Calibration of RPC-based muon detector at BESⅢ: 《Chinese Physics C》2010年第3期344-353,共10页谢宇广李卫东梁羽铁尤郑昀冒亚军张家文边渐鸣曹国富曹学香陈申见邓子艳傅成栋高原宁何康林何苗花春飞黄彬黄性涛季晓斌李飞李海波刘春秀刘怀民刘秋光刘锁刘英杰马秋梅马想毛泽普莫晓虎潘明华庞彩莹平荣刚秦亚红邱进发孙胜森孙永昭王纪科王亮亮文硕频伍灵慧徐敏严亮苑长征袁野张炳云张长春张建勇张学尧张瑶郑阳恒朱科军朱永生朱志丽邹佳恒; Supported by CAS Knowledge Innovation Project(U-602, U-34);National Natural Science Foundation of China (10491300,10491303, 10605030, 10835001, 10821063);100 Talents Program of CAS (U-25 and U-54);National Basic Research Program of China (2009CB825208); The calibration algorithm for RPC-based muon detector at BESIII has been developed. The calibration method, calibration error and algorithm performance are studied. The primary results of efficiency and noise at layer...; 关键词：CALIBRATION RPC BESIII muon detector EFFICIENCY noise

Lagrange multiplier method used in BESⅢ kinematic fitting: 《Chinese Physics C》2010年第2期204-209,共6页严亮何康林李卫国边渐鸣傅成栋黄彬刘颖吕绮雯宁飞鹏孙胜森徐敏张建勇朱永生; Supported by National Natural Science Foundation of China (10491300,10491303,10735080);Research and Development Project of Important Scientific Equipment of CAS (H7292330S7); In this paper, the kinematic fitting with the Lagrange multiplier method has been studied for BESⅢ experiment. First we introduce the Lagrange multiplier method and implement kinematic constraints. Then we present th...; 关键词：BESⅢ kinematic fitting Lagrange multiplier

Absolute photon energy calibration for the BESⅢ EMC: 《Chinese Physics C》2010年第1期72-77,共6页边渐鸣何康林李卫国胡涛傅成栋黄彬刘颖吕绮雯宁飞鹏宋文博孙胜森徐敏言杰严亮; Supported by CAS Knowledge Innovation Project (U-602, U-34);National Natural Science Foundation of China (10491300,10491303, 10605030) ;100 Talents Program of CAS (U-25 and U-54); The absolute energy calibration with photons from π0＇s for the BESⅢ EMC is discussed. Using 3 million hadronic events, the preliminary results are presented. Precision of about 1% in the photon energy measurement i...; 关键词：electromagnetic calorimeter absolute energy calibration π0 decay.

BESⅢ track fitting algorithm被引量：2: 《Chinese Physics C》2009年第10期870-879,共10页王纪科毛泽普边渐鸣曹国富曹学香陈申见邓子艳傅成栋高原宁何康林何苗花春飞黄彬黄性涛季晓斌李飞李海波李卫东梁羽铁刘春秀刘怀民刘锁刘英杰马秋梅马想冒亚军莫晓虎潘明华庞彩莹平荣刚秦亚红邱进发孙胜森孙永昭王亮亮文硕频伍灵慧谢宇广徐敏严亮尤郑昀苑长征袁野张炳云张长春张建勇张学尧张瑶郑阳恒朱科军朱永生朱志丽邹佳恒; Supported by CAS Knowledge Innovation Project(U-602, U-34);National Natural Science Foundation of China (10491300,10491303, 10605030);100 Talents Program of CAS (U-25, U-54); A track fitting algorithm based on the Kalman filter method has been developed for BESⅢ of BEPCⅡ. The effects of multiple scattering and energy loss when the charged particles go through the detector, non-uniformity...; 关键词：BESⅢ main drift chamber track fitting algorithm Kalman filter method

Study of BESⅢ MUC offine software with cosmic-ray data: 《Chinese Physics C》2009年第7期562-566,共5页梁羽铁冒亚军尤郑昀李卫东边渐鸣曹国富曹学香陈申见邓子艳傅成栋高原宁韩磊韩少卿何康林何苗胡继峰胡小为黄彬黄性涛贾卢魁季晓斌李海波刘北江刘春秀刘怀民刘颖刘勇罗涛吕绮雯马秋梅马想毛泽普莫晓虎宁飞鹏平荣刚邱进发宋文博孙胜森孙晓东孙永昭田浩来王纪科王亮亮文硕频伍灵慧吴智谢宇广徐敏言杰严亮姚剑苑长征袁野张长春张建勇张雷张学尧张瑶郑阳恒朱永生邹佳恒; Supported by National Natural Science Foundation of China (10675004, 10835001, 10491300, 10491303, 10735080);Research and Development Project of Important Scientific Equipment of CAS (H7292330S7); Cosmic-ray data of 90 M events have been collected and used for calibration,alignment as well as detector tuning. A special tracking algorithm for the BESⅢ muon counter is developed and verified with Monte-Carlo simu...; 关键词：Muon counter reconstruction COSMIC-RAY ALIGNMENT

Decay vertex reconstruction and 3-dimensional lifetime determination at BESⅢ: 《Chinese Physics C》2009年第6期428-435,共8页徐敏何康林张子平王贻芳边渐鸣曹国富曹学香陈申见邓子艳傅成栋高原宁韩磊韩少卿何苗胡继峰胡小为黄彬黄性涛贾卢魁季晓斌李海波李卫东梁羽铁刘春秀刘怀民刘颖刘勇罗涛吕绮雯马秋梅马想冒亚军毛泽普莫晓虎宁飞鹏平荣刚邱进发宋文博孙胜森孙晓东孙永昭田浩来王纪科王亮亮文硕频伍灵慧吴智谢宇广言杰严亮姚剑苑长征袁野张长春张建勇张雷张学尧张瑶郑阳恒朱永生邹佳恒; Supported by CAS Knowledge Innovation Project (112901160333,111087513811);National Natural Science Foundation of China (10491300,10491303);100 Talents Program of CAS (U-25 and U-54); This paper focuses mainly on the vertex reconstruction of resonance particles with a relatively long lifetime such as Ks^0, A, as well as on lifetime measurements using a 3-dimensional fit. The kinematic constraints b...; 关键词：decay vertex resolution of decay length LIFETIME reconstruction efficiency

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

国家自然科学基金(10491300)

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

国家自然科学基金(10491300)

检索结果分析

下载全文

用户登录

高级检索检索式检索