云南高校图书馆联盟文献共享服务平台- PQCD

PQCD: 作品数：33被引量：2H指数：1; 导出分析报告; 相关领域：理学更多>>; 相关作者：高洁何俊康李海燕刘文王辉升更多>>; 相关机构：南京师范大学西南大学河南大学河南工业大学更多>>; 相关期刊：《Communications in Theoretical Physics》《科学技术创新》《电子质量》《Science Bulletin》更多>>; 相关基金：国家自然科学基金国家教育部博士点基金河南省自然科学基金上海市自然科学基金更多>>

Investigation of proton structure function F_(2)^(p)at HERA in light of an analytical solution to the Balitsky–Kovchegov equation: 《Communications in Theoretical Physics》2024年第3期120-126,共7页Ranjan Saikia Pragyan Phukan Jayanta Kumar Sarma; In this paper,the proton structure function F_(2)^(p)(x,Q^(2))at small-x is investigated using an analytical solution to the Balitsky–Kovchegov(BK)equation.In the context of the color dipole description of deep inela...; 关键词：quantum chromodynamics(QCD) perturbative QCD(pQCD) proton structure function SMALL-X Balitsky-Kovchegov equation

用PQCD方法研究J/ψ→PP的弱衰变过程: 《河南师范大学学报（自然科学版）》2023年第5期102-106,共5页李佳芝李康孙怡心常钦杨悦玲; 国家自然科学基金(11875122,12275067,12275068);河南省自然科学基金(222300420479);河南省杰出青年科学基金(212300410010)。; 采用PQCD方法,对C宇称破缺的J/ψ→πη,πη′,ηη′过程,以及奇异量子数不守恒的J/ψ→πK,Kη,Kη′过程进行了唯象学研究,结合BESIII实验和STCF实验进展进行了讨论,结果显示这些弱作用过程的分支比很小,无法在BESIII实验上被探测到...; 关键词：J/ψ介子弱衰变分支比 PQCD方法

Quasi-two-body decays B_(c)→D^(*)h→Dπh in perturbative QCD: 《Chinese Physics C》2023年第7期30-40,共11页赵彦超张志清张梓於孙志杰孟秋博; Supported by the National Natural Science Foundation of China(11347030);the Program of Science and Technology Innovation Talents in Universities of Henan Province,China(14HASTIT037);the Natural Science Foundation of Henan Province,China(232300420116); In this work,we investigate the quasi-two-body decays B_(c)→D^(*)h→Dπhwithh=(K^(0),π^(0),η,η′)using the perturbative QCD(PQCD)approach.The description of final state interactions of the Dπpair is achieved thro...; 关键词：branching ratio B_(c)decays PQCD approach

Insights into the nature of X(3872)through B meson decays: 《Chinese Physics C》2023年第1期46-54,共9页张志清关志林赵彦超张梓於孙志杰王娜任晓冬; Supported by the National Natural Science Foundation of China(11347030);the Program of Science and Technology Innovation Talents in Universities of Henan Province(14HASTIT037)。; We study the Bc,u,d→X(3872)P decays in the perturbative QCD(PQCD)approach,involving the puzzling resonance X(3872),where P represents a light pseudoscalar meson(K orπ).Assuming X(3872)to be a 1++charmonium state,we ...; 关键词：B meson decay PQCD approach X(3872)

Charmless two-body B meson decays in the perturbative QCD factorization approach: 《Chinese Physics C》2022年第12期68-105,共38页Jian Chai Shan Cheng Yao-hui Ju Da-Cheng Yan Cai-Dian Lü Zhen-Jun Xiao; Supported by the National Science Foundation of China(11805060,11975112,12105028,12070131001,11775117);the Joint Large-Scale Scientific Facility Funds of the NSFC and CAS(U1932110);the Natural Science Foundation of Jiangsu Province(BK20200980);the National Key Research and Development Program of China(2020YFA0406400)。; The perturbative quantum chromodynamics(PQCD)approach based on k_(T)factorization has resulted in great achievements in the QCD calculation of hadronic B decays.By regulating the endpoint divergence by the transverse ...; 关键词：B decays CP violation pQCD approach

Total decay width of H → gg using the infinite-order scale-setting approach based on intrinsic conformality: 《Chinese Physics C》2022年第12期172-178,共7页Chu-Tian Gao Xing-Gang Wu Xu-Dong Huang Jun Zeng; Supported by the Chongqing Graduate Research and Innovation Foundation(CYB21045,ydstd1912);the Natural Science Foundation of China(12175025,12147102);the Fundamental Research Funds for the Central Universities(2020CQJQY-Z003,2021CDJZYJH-003)。; We conducted a detailed study on the properties of the total decay width of the Higgs decay channel H→gg up toα_(s)^(6)-order QCD corrections by using the newly suggested infinite-order scale-setting approach,which ...; 关键词：PQCD RENORMALIZATION Higgs decay

pQCD因子化方法计算B介子三体非轻衰变: 《科学技术创新》2022年第25期21-24,共4页杨红; 微扰QCD(pQCD)因子化方法已经广泛应用于计算B介子的非轻衰变,随着对微扰QCD框架的不断完善,人们对B介子的研究也从最初的两体衰变问题逐渐转化为对其多体衰变的计算,既往研究表明,利用pQCD因子化方法计算所得的B介子多体衰变分支比与...; 关键词：pQCD因子化方法 B介子衰变分支比

基于PQCD框架下双光子到标量介子对过程中波函数模型研究: 《科学技术创新》2022年第1期29-32,共4页余秀; 近年来,在PQCD因子化的框架下,对于双光子的硬遍举过程展开了许多研究。研究表明,其散射振幅可以用可微扰计算的硬散射振幅和非微扰计算的强子波函数的卷积形式来表示,由此发现,对于强子波函数模型的选取便显得十分重要。本文基于QCD求...; 关键词：微扰QCD 标量介子波函数分布振幅

The PQCD approach towards to next-to-leading order:A short review: 《Frontiers of physics》2021年第2期175-193,共19页Shan Cheng Zhen-Jun Xiao; This work was sup-ported by the National Natural Science Foundation of China(NSFC)under Grant Nos.11805060,11975112,and 11775117.; In this short review we elaborate the significance of resummation in kτ factorization theorem,and summarize the recent progresses in the calculations of the next-to-leading order contributions to B meson decays from ...; 关键词：flavor physics perturbative QCD kτfactorization next-to-leading order

Pure annihilation decays of B^(s)_(0)→a^(+)_(0)a^(−)_(0)and B^(0)_(d)→K^(∗+)_(0)K^(∗−)_(0)in the PQCD approac: 《Communications in Theoretical Physics》2021年第4期82-91,共10页Yutong Chen Zewen Jiang Xin Liu; supported in part by the National Natural Science Foundation of China under Grant Nos.11765012 and 11205072;by the Research Fund of Jiangsu Normal University(No.HB2016004);supported by the Undergraduate Research&Practice Innovation Program of Jiangsu Province(No.201810320103Z)。; We study the CP-averaged branching fractions and the CP-violating asymmetries in the pure annihilation decays of B^(s)_(0)→a^(+)_(0)a^(−)_(0)and B^(0)_(d)→K^(∗+)_(0)K^(∗−)_(0),where a_(0)[K^(∗)_(0)]denotes the scala...; 关键词：B meson decays perturbative QCD factorization approach light scalar mesons branching ratios CP-violating asymmetries

PQCD