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QCD: 作品数：436被引量：158H指数：6; 导出分析报告; 相关领域：理学更多>>; 相关作者：周丽娟马维兴罗向前李家荣江俊勤更多>>; 相关机构：华中师范大学中国科学院中国科学院大学南京大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家教育部博士点基金中国博士后科学基金广西壮族自治区自然科学基金更多>>

Observations on spontaneous chiral symmetry breaking and the mass gap of QCD in finite volume: 《Communications in Theoretical Physics》2024年第9期42-47,共6页Xiaolan Meng Bolun Hu Yi-Bo Yang; supported in part by NSFC Grant Nos.12293060,12293062,12293065 and 12047503;the science and education integration young faculty project of the University of Chinese Academy of Sciences,the Strategic Priority Research Program of the Chinese Academy of Sciences,Grant Nos.XDB34030303 and YSBR-101;NSFC-DFG joint grant under Grant Nos.12061131006 and SCHA 458/22。; We present a lattice quantum chromodynamics(QCD)simulation with 2+1+1 flavor full QCD ensembles using near-physical quark masses and different spatial sizes L,at a~0.055 fm.The results show that the scalar and pesudos...; 关键词：lattice QCD chiral symmetry breaking CONFINEMENT

Supermassive black holes triggered by QCD axion bubbles: 《Communications in Theoretical Physics》2024年第5期134-139,共6页Hai-Jun Li Ying-Quan Peng Wei Chao Yu-Feng Zhou; supported by the National Natural Science Foundation of China (NSFC) (Grant Nos. 11775025 and No. 12175027);supported by the National Key R&D Program of China (Grant No. 2017YFA0402204);the CAS Project for Young Scientists in Basic Research YSBR-006;the National Natural Science Foundation of China (NSFC) (Grant Nos. 11821505, No. 11825506, and No. 12047503); Supermassive black holes(SMBHs)are ubiquitous in the center of galaxies,although the origin of their massive seeds is still unknown.In this paper,we investigate the formation of SMBHs from the quantum chromodynamics(Q...; 关键词：supermassive black holes primordial black holes quantum chromodynamics axion

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

QCD at finite temperature and density within the fRG approach:an overview被引量：4: 《Communications in Theoretical Physics》2022年第9期299-355,共57页Wei-jie Fu; supported by the National Natural Science Foundation of China under Grant No.12175030; In this paper,we present an overview on recent progress in studies of QCD at finite temperature and densities within the functional renormalization group(fRG)approach.The f RG is a nonperturbative continuum field appr...; 关键词：QCD phase transition chiral phase transition QCD phase diagram functional renormalization group

Nuclear 0ν2βdecays in B-L symmetric SUSY model and in TeV scale left–right symmetric model: 《Communications in Theoretical Physics》2022年第8期76-92,共17页Jin-Lei Yang Chao-Hsi Chang Tai-Fu Feng; supported in part by the National Natural Science Foundation of China(NNSFC)under Grants No.11821505 No.12047503,No.12075301 and No.11705045;supported in part by the Key Research Program of Frontier Sciences,CAS,Grant No.QYZDY-SSW-SYS006。; In this paper,we take the B-L supersymmetric standard model(B-LSSM)and TeV scale left–right symmetric model(LRSM)as two representations of the two kinds of new physics models to study the nuclear neutrinoless double ...; 关键词：B-LSSM QCD correction neutrinoless double beta decay LRSM

Chiral effective Lagrangian for excited heavy-light mesons from QCD: 《Communications in Theoretical Physics》2021年第6期94-101,共8页Qing-Sen Chen Hui-Feng Fu Yong-Liang Ma Qing Wang; supported in part by National Science Foundation of China(NSFC)under Grant No.11875147 and No.11475071;supported by NSFC under Grant No.12047569;supported by the National Science Foundation of China(NSFC)under Grant No.11475092。; We derive the chiral effective Lagrangian for excited heavy-light mesons from QCD under proper approximations.We focus on the chiral partners with j_(l)^(P)=3+/2 and j_(l)^(P)=3-/2 which amounts to(1^(+),2^(+))and(1^(...; 关键词：chiral effective Lagrangian heavy-light meson QCD chiral partner

A modification of Faddeev–Popov approach free from Gribov ambiguity: 《Communications in Theoretical Physics》2020年第12期137-144,共8页Chong-yao Chen Fei Gao Yu-Xin Liu; supported by the National Natural Science Foundation of China under Contract No.11435001 and No.11775041;the National Key Basic Research Program of China under Contract No.G2013CB834400 and No.2015CB856900。; We propose a modified version of the Faddeev–Popov(FP)quantization approach for nonAbelian gauge field theory to avoid Gribov ambiguity.We show that by means of introducing a new method of inserting the correct ident...; 关键词：QCD quantization scheme Gribov copy non-Abelian field theory

QCD and electro-weak corrections to the production of Higgs+2 jets at the LHC被引量：1: 《Communications in Theoretical Physics》2020年第10期87-91,共5页Abdughupur Ablimit Reyima Rashidin Alim Ablat Pazilat Obul Sayipjamal Dulat; supported by the National Natural Science Foundation of China under the Grant No.11965020。; We present complete next-to-leading-order(NLO)QCD correction and electro-weak(EW)correction to the production cross section of Higgs–Boson in association with two hard quark jets by using Monte-Carlo numerical calcul...; 关键词：Higgs plus 2 jets QCD corrections EW corrections photon PDFs

Hidden analytic relations for two-loop Higgs amplitudes in QCD: 《Communications in Theoretical Physics》2020年第6期76-82,共7页Qingjun Jin Gang Yang; supported in part by the National Natural Science Foundation of China(Grants No.11822508,11947302 and 11935013);the Chinese Academy of Sciences(CAS)Hundred-Talent Program;the Key Research Program of Frontier Sciences of CAS;support of the HPC Cluster of ITP-CAS。; We compute the Higgs plus two-quark and one-gluon amplitudes(H→qqg)and Higgs plus three-gluon amplitudes(H→3 g)in the Higgs effective theory with a general class of operators.By changing the quadratic Casimir CF to ...; 关键词：scattering amplitudes form factors quantum chromodynamics Higgs effective field theory

Small x phenomenology on gluon evolution through the BFKL equation in light of a constraint in multi-Regge kinematics被引量：1: 《Communications in Theoretical Physics》2020年第2期50-59,共10页Pragyan Phukan Madhurjya Lalung Jayanta Kumar Sarma; the Department of Science and Technology(DST),India(grant DST/INSPIRE Fellowship/2017/IF160770);the Council of Scientific and Industrial Research(CSIR),New Delhi(grant 09/796(0064)2016-EMR-I)respectively for the financial assistantship.; We investigate the impact of so-called kinematic constraint on gluon evolution at small x.Implanting the constraint on the real emission term of the gluon ladder diagram,we obtain an integro-differential form of the B...; 关键词：PARTON EVOLUTION equation GLUON distribution function perturbative QCD

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