ISR

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Perturbative QCD for J/ψ inclusive production via initial state radiation in e^+e^- collisions
《Chinese Physics C》2019年第8期59-65,共7页Bin Gong Yu-Dong Wang Jian-Xiong Wang 
Supported by the National Natural Science Foundation of China(11475183);the Key Research Program of Frontier Sciences,CAS,(Y7292610K1)
The process e+e-→J/ψ+X with the center-of-mass(CM)energy in the range from 3.7 to 10.6 GeV is calculated up to the next-to-leading order(NLO)in quantum chromodynamics(QCD).At 10.6 GeV,the result is consistent with t...
关键词：ISR QUARKONIUM QCD BESIII SuperKEKB 
e^+e^- →charm cross sections via ISR
《Chinese Physics C》2010年第6期656-659,共4页Galina Pakhlova 
Supported by Ministry of Education and Science of the Russian Federation and Russian Federal Agency for Atomic Energy
We discuss recent measurements of exclusive e^＋e^- cross sections for charmed hadron final states near threshold performed by Belle and BABAR. The results are based on a study of events with initial-stateradiation ph...
关键词：charmonium states open charm threshold cross section 
Study of the e^+e^- to hadrons via ISR at BABAR
《Chinese Physics C》2010年第6期660-668,共9页E.P.Solodov 
Supported by Russian Foundation of Basic Research (09-02-08413-3)
Experimental data from the PEP-II B-factory at 10.6 GeV center-of-mass （c.m.） energy, obtained via initial-state radiation （ISR） with the BABAR detector, are presented. The cross sections for many hadronic process...
关键词：ISR e^＋e^- HADRONS BABAR 
Precise measurement of the e^+e^- →π^+π^-(γ) crosssection with the initial state radiation method at BABAR
《Chinese Physics C》2010年第6期692-697,共6页王文峰 
We present a precise BABAR measurement on the cross section of the process e^＋e^- →π^＋π^-（γ） from threshold to an energy of 3 GeV with the initial state radiation （ISR） technique, using 232 fb^-1 of data col...
关键词：pion form factor ISR g-2 BABAR 
Study of charmonium(-like) states via ISR at Belle
《Chinese Physics C》2008年第6期452-454,共3页苑长征 
National Natural Science Foundation of China(10775142)and 100 Talents Program of CAS(U-25)
The cross sections for e^＋e^- →π^＋ π^-J/ψ, π^＋π^-ψ（2S）, K^＋K^-J/ψ, DD1D^0D1-π^＋ ＋c.c., D^＊D＋c.c., and D^＊D^＊ are measured using data sample collected on or near the T（4S） resonance with the Bell...
关键词：initial state radiation cross section CHARMONIUM charmed mesons 
Experimental Results of an ECR Oxygen Source and a LEBT System for 1MeV ISR RFQ Accelerator Upgrade Project
《Chinese Physics C》2008年第z1期220-222,共3页张萌 彭士香 宋执中 赵捷 徐蓉 袁忠喜 郭之虞 陆元荣 于金祥 
国家自然科学基金(10455001)资助~~
To meet the requirements of developing SFRFQ and upgrading the 1 MeV ISR RFQ accelerator,an ECR O^+ ion source and LEBT system have been developed.Using two Einzel Lenses to focus the beam,more than 3mA O^+ beam with ...
关键词：ECR LEBT emittanc 
Upgrading of a Heavy Ion 1MeV ISR RFQ Accelerator被引量：1
《Chinese Physics C》2008年第z1期262-264,共3页张萌 陆元荣 彭士香 朱昆 颜学庆 高淑丽 王智 郭之虞 赵捷 方家驯 李纬国 郭菊芳 袁忠喜 宋执中 于金祥 于茂林 陈佳洱 
国家自然科学基金(10455001;10605003)资助~~
This paper presents new beam test results for O^+ beam on a high current Integral Split Ring Radio Frequency Quadruple(ISR RFQ)accelerator.After the upgrading,a new designed 2.45GHz O^+ ECR Ion Source can provide a be...
关键词：integral split ring RFQ UPGRADE RF power system 
R&D Status of SFRFQ Accelerating System被引量：2
《Chinese Physics C》2008年第z1期231-233,共3页陈佳洱 郭之虞 陆元荣 高淑丽 朱昆 王智 颜学庆 彭士香 赵捷 郭菊芳 李纬国 于茂林 袁忠喜 方家驯 
国家自然科学基金(10455001;10605003)资助~~
A new linear accelerating structure SFRFQ was proposed to transfer the RFQ inter-vane voltage to the inter-longitudinal accelerating gap voltage so as to improve the acceleration efficiency.A SFRFQ prototype is being ...
关键词：SFRFQ ISR RFQ sparking MATCHING 
An ECR Oxygen Source and a LEBT System Developed for 1MeV ISR RFQ Accelerator Upgrade
《Chinese Physics C》2007年第S1期63-65,共3页彭士香 宋执中 钱锋 袁忠喜 徐蓉 于金祥 郭之虞 
Supported by NSFC
An ECR O^+ ion source and LEBT system have been developed for the upgrade of 1MeV Integral Split Ring RFQ at Peking University.To satisfy the requirement of RFQ,a more than 10mA oxygen beam has been extracted at 22kV ...
关键词：ECR ion SOURCE LEBT emmitance MATCHING 
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