Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume 36, Issue 8-9, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X21500524
Keywords
Transverse momentum-dependent parton distributions; pions; light-front holographic model
Categories
Funding
- Department of Science and Technology [EMR/2017/001549]
- Government of India
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In this study, the transverse momentum-dependent parton distributions for the pion were investigated using the light-front holographic model. The unpolarized parton distribution function and the Boer-Mulders function were obtained and compared with results from other models. An LO evolution was performed for the unpolarized parton distribution function to provide inputs for predicting future experimental data.
Using the light-front holographic model, we study the transverse momentum-dependent parton distributions (TMDs) for the case of pion. At leading twist, the unpolarized parton distribution function f(1 pi)(x,k(perpendicular to)(2)) and the Boer-Mulders function h(perpendicular to)(1 pi)(x,k(perpendicular to)(2)) are obtained for pion. We calculate both the functions using the light-front holographic model with spin improved wave function and compare the predicted results with available results of other models. In order to provide inputs in predicting future experimental data, an LO evolution is performed from model scale to experimental scale for the case of unpolarized parton distribution function f(1 pi)(x,k(perpendicular to)(2)).
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