Light mesons within the basis light-front quantization framework
Journal Article
·
· Physical Review. C
- Iowa State Univ., Ames, IA (United States); OSTI
- Iowa State Univ., Ames, IA (United States)
- Iowa State Univ., Ames, IA (United States); Univ. of Chinese Academy of Sciences, Beijing (China)
In this work, we study the light-unflavored mesons as relativistic bound states in the nonperturbative Hamiltonian formalism of the basis light-front quantization approach. The dynamics for the valence quarks of these mesons is specified by an effective Hamiltonian containing the one-gluon exchange interaction and the confining potentials both introduced in our previous work on heavy quarkonia, supplemented additionally by a pseudoscalar contact interaction. We diagonalize this Hamiltonian in our basis function representation to obtain the mass spectrum and the light-front wave functions (LFWFs). Based on these LFWFs, we then study the structure of these mesons by computing the electromagnetic form factors, the decay constants, the parton distribution amplitudes, and the parton distribution functions. Our results are comparable to those from experiments and other theoretical models.
- Research Organization:
- Iowa State Univ., Ames, IA (United States); Univ. of California, Oakland, CA (United States); Univ. of North Carolina, Chapel Hill, NC (United States); Univ. of Tennessee, Knoxville, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- AC02-05CH11231; FG02-87ER40371; SC0015376; SC0018223
- OSTI ID:
- 1849974
- Journal Information:
- Physical Review. C, Journal Name: Physical Review. C Journal Issue: 5 Vol. 102; ISSN PRVCAN; ISSN 2469-9985
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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