QCD_SUM_RULES

作品数：80被引量：6H指数：1
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相关机构：国防科学技术大学中国科学院大学华中师范大学更多>>
相关期刊：《Chinese Physics Letters》《Science Bulletin》《Chinese Physics C》《IMP & HIRFL Annual Report》更多>>
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Revisiting 1-＋ Light Hybrid from Monte-Carlo Based QCD Sum Rules
《Chinese Physics Letters》2014年第5期26-30,共5页张珠峰 金洪英 T. G. Steele 
Supported by the K. C. Wong Magna Fund in Ningbo University, the National Natural Science Foundation of China m：der Grant Nos 11205093 and 11175153, and the Natural Sciences and Engineering Research Council of Canada.
We reanalyze the 1 ＋ light hybrid from QCD sum rules with a Monte-Carlo based on uncertainty analysis. With 30% uncertainties in the accepted central values for QCD condensates and other input parameters, we obtain a...
Analysis of the Vertexes ΣQ([I])*QK* and ([1])'Q*Σ*QK* within Light-Cone QCD Sum Rules
《Chinese Physics Letters》2012年第2期51-54,共4页YOU Fu-Yi WANG Zhi-Gang WAN Shao-Long 
Supported by the National Natural Science Foundation of China under Grant No 10675108.
We parameterize the vertexes ΣQ([1])*QK* and ([1])'QΣ*QK* with three tensor structures due to Lorentz invariance,and calculate the corresponding three coupling constants within light-cone QCD sum rules.We then obtai...
关键词：PARAMETERS VERTEX 
Reanalysis of the （0^＋, 1^＋） States Bs0 and Bs1 with QCD Sum Rules
《Chinese Physics Letters》2008年第11期3908-3911,共4页王志刚 
Supported by National Natural Science Foundation under Grant Nos 10405009 and 10775051, and the Programme for New Century Excellent Talents in University under Grant No NCET-07-0282.
We calculate the masses and decay constants of the P-wave strange-bottomed mesons Bs0 and Bs1 with the QCD sum rules, and observe that the central values of the masses Bs0 and Bs1 are smaller than the corresponding BK...
关键词：the power-law exponents precipitation durative abrupt precipitation change 
Analysis of Vertex D^＊D^＊ρ with Light-Cone QCD Sum Rules
《Chinese Physics Letters》2008年第2期444-446,共3页王志刚 王志斌 
Supported by the National Natural Science Foundation of China under Grant Nos 10405009 and 10775051, and the Programme for New Century Excellent Talents in University under Grant No NCET-07-0282, and the Key Programme of North China Electric Power University.
We analyse the vertex D^＊D^＊ρ with the light-cone QCD sum rules. The strong coupling constant gD^＊D^＊ρ is an important parameter in evaluating the charmonium absorption cross sections in searching for the quark-...
关键词：PULSARS x-ray spectra relativity and gravitation REDSHIFT 
Analysis of X（1576） as a Tetraquark State with the QCD Sum Rules
《Chinese Physics Letters》2006年第12期3208-3210,共3页王志刚 完绍龙 
Supported by the National Natural Science Foundation under Grant No 10405009, and the Key Program Foundation of North China Electric Power University.
We take the viewpoint that X（1576） is the tetraquark state which consists of a scalar diquark and an antiscalar-diquark in relative P-wave, and calculate its mass in the framework of the QCD sum rule approach. The n...
关键词：4-QUARK STATES RESONANCE PHYSICS SCALAR MESONS QUARK-MODEL INSTANTONS MASSES 
Stabilization and Consistency for Subtracted and Unsubtracted QCD Sum Rules for 0^＋＋ Scalar Glueball被引量：1
《Chinese Physics Letters》2006年第11期2920-2923,共4页张振宇 刘觉平 
Supported by the National Natural Science Foundation of China under Grant No 10075036, the BEPC National Laboratory Project of Research and Development, and the BES Collaboration Research Foundation.
Based on a semi-classical expansion for quantum chromodynamics in the instanton liquid background, the correlation function of the 0^＋＋ scalar glueball current is calculated. Besides the pure classical and quantum c...
关键词：RESONANCE PHYSICS TEMPERATURE-DEPENDENCE LIGHT QUARKS INSTANTONS MASS GLUONIUM MESONS LOOP 
Tensor Charge of the Nucleon from QCD Sum Rules
《Chinese Physics Letters》1996年第12期889-892,共4页HE Han-xin 
Supported in part by the National Natural Science Foundation of China;the Nuclear Science Foundation of China.
The nucleon's tensor charges(isovector g_(T)^(v)=δu-δd and isoscalar g_(T)^(s)=δu+δd)are calculated using the QCD(quantum chromodynamics)sum rules in the presence of an external tensor field.By combining the mass ...
关键词：FIELD TENSOR CHARGES 
THE DISTRIBUTION AMPLITUDE FOR PION AND QCD SUM RULES
《Chinese Physics Letters》1985年第2期67-70,共4页HUANG Tao WANG Xin-nian XIANG Xiao-dong 
A convenient method is presented to compute the moments of the distribution amplitude for pion and a possible model form is proposed to fit the experimental data.
关键词：CONVENIENT MOMENTS QCD 
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