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LIGHT-CONE: 作品数：32被引量：10H指数：2; 导出分析报告; 相关领域：理学更多>>; 相关作者：张海东更多>>; 相关机构：中国科学院更多>>; 相关期刊：《Journal of Modern Physics》《Science China(Physics,Mechanics & Astronomy)》《Communications in Theoretical Physics》《Chinese Physics B》更多>>; 相关基金：国家自然科学基金中国博士后科学基金天津市自然科学基金更多>>

ρ-meson longitudinal leading-twist distribution amplitude revisited and the D→ρsemileptonic decay: 《Chinese Physics C》2024年第6期82-91,共10页钟涛代亚红付海冰; Supported in part by the National Natural Science Foundation of China(12265009,12265010,12147102);the Project of Guizhou Provincial Department of Science and Technology(ZK[2021]024,ZK[2023]142);the Project of Guizhou Provincial Department of Education(KY[2021]030);the Chongqing Graduate Research and Innovation Foundation(ydstd1912)。; Motivated by our previous study[Phys.Rev.D 104(1),016021(2021)]on the pionic leading-twist distribution amplitude(DA),we revisit theρ-me son leading-twist longitudinal DAφ_(2;ρ)^(‖)(x,μ)in this study.A model prop...; 关键词：QCD sum rule charmed meson semileptonic decay Rho meson light-cone distribution amplitude

Magnetic and quadrupole moments of the Z_(c)(4020)^(+),Z_(c)(4050)^(+),and Z_(c)(4600)^(+)states in the diquark-antidiquark picture: 《Chinese Physics C》2024年第1期7-16,共10页Ulaş Özdem; The magnetic and quadrupole moments of the Z_(c)(4020)^(+),Z_(c)(4050)^(+),and Z_(c)(4600)^(+)states are calculated within the QCD light-cone sum rules.The compact diquark-antidiquark interpolating currents and the di...; 关键词：hidden-charm tetraquark states electromagnetic form factors magnetic and quadrupole moments QCD light-cone sum rules

Exploring light-cone distribution amplitudes from quantum computing: 《Science China(Physics,Mechanics & Astronomy)》2023年第8期57-65,共9页Tianyin Li Xingyu Guo Wai Kin Lai Xiaohui Liu Enke Wang Hongxi Xing Dan-Bo Zhang Shi-Liang Zhu; supported by the National Natural Science Foundation of China(Grant Nos.12022512,12035007,12175016,12005065,12074180);the Guangdong Major Project of Basic and Applied Basic Research(Grant No.2020B0301030008);the Key-Area Research and Development Program of Guangdong Province(Grant No.2019B030330001);the Guangdong Basic and Applied Basic Research Fund(Grant No.2021A1515010317);the Key Project of Science and Technology of Guangzhou(Grant No.2019050001);the National Special Support Program for High-level Talents。; Light-cone distribution amplitudes(LCDAs)are essential nonperturbative quantities for theoretical predictions of exclusive highenergy processes in quantum chromodynamics(QCD).We demonstrate the prospect of calculating...; 关键词：light-cone distribution amplitude quantum algorithm NJL model

Searching for a_(0)(980)-meson parton distribution function: 《Communications in Theoretical Physics》2023年第8期111-118,共8页Zai-Hui Wu Hai-Bing Fu Tao Zhong Yu Chen Ya-Hong Dai; supported in part by the National Natural Science Foundation of China under Grant No.12265010,No.12265009;the Project of Guizhou Provincial Department of Science and Technology under Grant No.ZK[2021]024;the Project of Guizhou Provincial Department of Education under Grant No.KY[2021]030。; In this paper,we calculate the scalar a_(0)(980)-meson leading-twist wave function by using the light-cone harmonic oscillator model(LCHO),where the model parameters are determined by fitting theξ-moments■of its lig...; 关键词：parton distribution functions light-cone distribution amplitudes light scalar meson light-cone harmonic oscillator model

Constraints ofξ-moments computed using QCD sum rules on pion distribution amplitude models: 《Chinese Physics C》2023年第1期125-134,共10页钟涛朱志豪付海冰; Supported in part by the National Natural Science Foundation of China(12265009,12265010,12175025,12147102);the Project of Guizhou Provincial Department of Science and Technology(ZK[2021]024);the Project of Guizhou Provincial Department of Education(KY[2021]030);the Chongqing Graduate Research and Innovation Foundation(ydstd1912)。; To date,the behavior of the pionic leading-twist distribution amplitude(DA)φ2;π(x,μ)-which is a universal physical quantity and is introduced into high-energy processes involving pions based on the factorization th...; 关键词：pion distribution amplitude QCD sum rules light-cone harmonic oscillator model

Λ_(b)→Λ_(c) form factors from QCD light-cone sum rules: 《Chinese Physics C》2022年第11期154-167,共14页Yan Miao Hui Deng Ke-Sheng Huang Jing Gao Yue-Long Shen; Supported in part by the National Natural Science Foundation of China(12175218,11975112);the Natural Science Foundation of Shandong province with(ZR2020MA093);supported by the National Natural Science Foundation of China(12147118)。; In this study,we calculate the transition form factors of Λ_(b) decaying into Λ_(c) within the framework of light-cone sum rules with the distribution amplitudes(DAs)of the Λ_(b)-baryon.In the hadronic representati...; 关键词：heavy baryon decays form factors light-cone sum rules

Magnetic dipole moments of B_((s))^((*))B_((s))^((*)) states: 《Chinese Physics C》2022年第11期143-153,共11页Ulas Ozdem; We systematically study the magnetic dipole moments of multiquark states.In this study,the magnetic dipole moments of possible B^(−)B^(∗−),B^(0)B^(∗−),B^(−)B^(∗0),B^(0)B^(∗0),B_(s)^(0)B^(∗−),B_(−)B_(s)^(∗0),B_(s)^(0)B...; 关键词：Magnetic dipole moment doubly-bottom tetraquarks T_(bb)states light-cone sum rules

SPACE-LIKE BLASCHKE ISOPARAMETRIC SUBMANIFOLDS IN THE LIGHT-CONE OF CONSTANT SCALAR CURVATURE: 《Acta Mathematica Scientia》2022年第4期1547-1568,共22页Hongru SONG Ximin LIU; supported by Foundation of Natural Sciences of China(11671121,11871197 and 11431009)。; Let E_(s)^(m+p+1) ?R_(s+1)^(m+p+2)(m≥ 2,p≥ 1,0≤s≤p) be the standard(punched)light-cone in the Lorentzian space R_(s+1)^(m+p+2),and let Y:M^(m)→E_(s)^(m+p+1) be a space-like immersed submanifold of dimension m.The...; 关键词：Conic Mobius form parallel Blaschke tensor induced metric conic second fundamental form stationary submanifolds constant scalar curvature

Light-Cone Coordinate System in General Relativity: 《Journal of High Energy Physics, Gravitation and Cosmology》2022年第2期269-284,共16页Yingqiu Gu; If there exists a null gradient field in 3 + 1 dimensional space-time, we can set up a kind of light-cone coordinate system in the space-time. In such coordinate system, the metric takes a simple form, which is helpfu...; 关键词：LIGHT-CONE Null Gradient Field Coordinate Transformation GEODESIC Einstein’s Field Equation

B_(c)→J/ψhelicity form factors and the B_(c)^(+)→J/ψ+(P,V,ℓ^(+)ν_(ℓ))decays: 《Chinese Physics C》2022年第5期29-37,共9页Wei Cheng Yi Zhang Long Zeng Hai-Bing Fu Xing-Gang Wu; Supported in part by the National Natural Science Foundation of China(11765007,11625520,11947406,12047564);the Project of Guizhou Provincial Department of Science and Technology(KY[2019]1171);the Project of Guizhou Provincial Department of Education(KY[2021]030);the China Postdoctoral Science Foundation(2019TQ0329,2020M670476);the Chongqing Graduate Research and Innovation Foundation(ydstd1912);the Fundamental Research Funds for the Central Universities(2020CQJQY-Z003);the Project of Guizhou Minzu University(GZMU[2019]YB19)。; In this paper,we calculate the B_(c)→J/ψhelicity form factors(HFFs)up to twist-4 accuracy by using the light-cone sum rules(LCSR)approach.After extrapolating those HFFs to the physically allowable q^(2)region,we inv...; 关键词：helicity form factors semileptonic decays light-cone sum rules nonleptonic two-body decays

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