Features of Hadron Structure in Holographic QCD and in Light-Front Quantization

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Date/Time:Thursday, 23 Jan 2020 - Saturday, 25 Jan 2020
Location:A401 Zaffarano Hall
Contact:
Phone:515-294-8894
Channel:Nuclear Physics
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Dr. Chandan Mondal, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou (Note Special Time)

In the first part of talk, we will discuss the importance of dynamical spin effects in the holographic light-front wavefunctions of the light pseudoscalar mesons. Using a universal AdS/QCD scale and constituent quark masses, we find that such effects are maximal in the pion where they lead to an excellent simultaneous description of a wide range of observables. In the second part, I will talk about the nucleon structure from an effective Hamiltonian. The wavefunctions are generated by solving the eigenvalue equation in a basis light-front quantization. Fitting the model parameters, the wave functions lead to good simultaneous description of electromagnetic form factors, radii, and parton distribution functions etc. for the proton.