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Spectroscopy of excited quarkonium states in the light-front quark model: 《Chinese Physics C》2025年第2期33-46,共14页Ritwik Acharyya Satyajit Puhan Harleen Dahiya Narinder Kumar; Narinder Kumar and Harleen Dahiya would like to acknowledge the research grant received from the Science and Engineering Research Board,Government of India under Teachers Associateship Research Excellence Award(TAR/2021/000157)。; We investigated the ground state(1S),radially excited states(2S)and(3S),and orbitally excited state(1P)for the heavy charmonia(cc)and bottomonia(bb)mesons in the light-front quark model(LFQM).The light-front wave func...; 关键词：decay constants distribution amplitudes form factors parton distribution functions light-front quark model heavy charmonia and bottomonia

Semileptonic and nonleptonic decays of B_(u,d,s)^(*) in the covariant light-front approach: 《Chinese Physics C》2024年第12期20-36,共17页Si-Yang Wang You-Ya Yang Zhi-Jie Sun Hao Yang Peng Li Zhi-Qing Zhang; partly supported by the National Natural Science Foundation of China(11347030);the Program for Science and Technology Innovation Talents in Universities of Henan Province(14HASTIT037);the Natural Science Foundation of Henan Province,China(232300420116)。; The semileptonic and nonleptonic decays of the b-flavor vector mesons B_(u,d,s)^(*) and B_(c)^(*) are investigated within the covariant light-front quark model(CLFQM).By calculating the form factors of the transitions...; 关键词：b-flavor vector mesons B^(*) covariant light-front quark model branchig ratio

Transverse Momentum Structure of Proton within the Basis Light-front Quantization Framework: 《IMP & HIRFL Annual Report》2022年第1期9-9,共1页Hu Zhi Xu Siqi Chandan Mondal Zhao Xingbo James P.Vary; National Natural Science Foundation of China(11850410436,1950410753);Key Research Program of Frontier Sciences,Chinese Academy of Sciences(ZDB-SLY-7020);Strategic Priority Research Program of Chinese Academy of Sciences(XDB34000000)。; We obtain the leading-twist valence quark transverse-momentum-dependent parton distribution functions(TMD PDFs)of quarks in the proton within the basis light-front quantization(BLFQ)framework.Our results are consisten...; 关键词：QUARK TWIST BOUNDS

Angular Momentum and Generalized Parton Distributions for the Proton with Basis Light-front Quantization: 《IMP & HIRFL Annual Report》2022年第1期10-10,共1页Liu Yiping Xu Siqi Chandan Mondal Zhao Xingbo James Vary; X.B.Z.is supported by Key Research Program of Frontier Sciences,CAS(ZDBS-LY-7020);C.M.is supported by National Natural Science Foundation of China(1185041036,11950410753)。; We study the properties of the proton through the light-front wave function(LFWF)obtained from a basis light-front quantization(BLFQ)approach.BLFQ is a nonperturbative approach to quantum eld theory based on the Hamil...; 关键词：HAMILTONIAN quantum feasible

Exploring Photon Using Basis Light-front Quantization Approach: 《IMP & HIRFL Annual Report》2022年第1期11-11,共1页Sreeraj Nair Chandan Mondal Zhao Xingbo Asmita Mukherjee James P.Vary; S.N and C.M.thank the Chinese Academy of Sciences Presidents International Fellowship Initiative for support(2021PM0021 and 2021PM0023);C.M.is supported by new faculty start up funding by the Institute of Modern Physics,Chinese Academy of Sciences(E129952YR0);X.Z.is supported by new faculty startup funding by Institute of Modern Physics,Chinese Academy of Sciences,by Key Research Program of Frontier Sciences,Chinese Academy of Sciences(ZDB-SLY-7020);Natural Science Foundation of Gansu Province,China(20JR10RA067);Strategic Priority Research Program of Chinese Academy of Sciences(XDB34000000);A.M.thanks SERB for support through POWER Fellowship(SPF/2021/000102);J.P.V.is supported in part by Department of Energy(DE-FG02-87ER40371,DE-SC0018223(SciDAC4/NUCLEI))。; The distinctive characteristic of the photon is that its partonic content can be calculated using leading-order perturbative QED^([1,2]).While our understanding of the photon's parton distributions(PDFs)is now well-es...; 关键词：PHOTON CHARACTERISTIC

Weak decays ofΞ^((′))_(c)→Ξin the light-front quark model: 《Chinese Physics C》2021年第11期34-44,共11页Hong-Wei Ke Qing-Qing Kang Xiao-Hai Liu Xue-Qian Li; the National Natural Science Foundation of China(NNSFC)(12075167,11975165,11675082,11735010,12035009,12075125)。; Without contamination from the final state interactions,the calculation of the branching ratios of semileptonic decays Ξ^((′))_(c)→Ξ+e^(+)ν_(e) may provide further information about the inner structure of charmed...; 关键词：charmed baryon weak decay relativistic quark model

Pion parton distribution function in light-front holographic QCD: 《Chinese Physics C》2020年第11期163-167,共5页Lei Chang Khépani Raya Xiaobin Wang; Supported by the Chinese Government Thousand Talents Plan for Young Professionals。; The valence-quark distribution function of the pion has been of interest for decades;particularly,the profile it should adopt when x→1(the large-x behavior)has been the subject of a long-standing debate.In the light-...; 关键词：PION parton distribution function QCD

Tensor form factors of P→P,S,V and A transitions within standard and covariant light-front approaches: 《Chinese Physics C》2020年第8期46-66,共21页Qin Chang Xiao-Lin Wang Li-Ting Wang; Supported by the National Natural Science Foundation of China(11875122);the Program for Innovative Research Team in University of Henan Province(19IRTSTHN018)。; We investigate the tensor form factors of,and A transitions within the standard light-front(SLF)and the covariant light-front(CLF)quark models(QMs).The self-consistency and Lorentz covariance of CLF QM are analyzed vi...; 关键词：weak decay light-front quark model form factor

■u,d,s*→ Du,d,s*V(V = Dd,s*-, K*-, ρ-) weak decays: 《Chinese Physics C》2019年第10期38-45,共8页Qin Chang Yunyun Zhang Xiaonan Li; Supported by the National Natural Science Foundation of China(11875122 and 11475055);the Program for Innovative Research Team in University of Henan Province(19IRTSTHN018); Motivated by the rapid development of heavy flavor physics experiments, we study the tree-dominated nonleptonic ■u,d,s*→ Du,d,s*V(V = Dd,s*-, K*-, ρ-) decays within the factorization approach. The relevant transiti...; 关键词：weak DECAY LIGHT-FRONT QUARK model heavy FLAVOR physics

Study of the s → dv■ rare hyperon decays in the Standard Model and new physics: 《Chinese Physics C》2019年第9期26-32,共7页Xiao-Hui Hu Zhen-Xing Zhao; Supported in part by National Natural Science Foundation of China(11575110,11735010,11911530088);Natural Science Foundation of Shanghai(15DZ2272100)and Key Laboratory for Particle Physics,Astrophysics and Cosmology,Ministry of Education; FCNC processes offer important tools to test the Standard Model（SM）and to search for possible new physics.In this work,we investigate the s→dvv rare hyperon decays in SM and beyond.We find that in SM the branching ...; 关键词：branching ratios RARE HYPERON DECAYS form factors LIGHT-FRONT approach new PHYSICS

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