Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approach
Within the basis light-front quantization (BLFQ) framework, we evaluate the gluon chiral-odd generalized parton distributions (GPDs) inside the proton at zero skewness. We employ the light-front wave functions of the proton obtained from a light-front quantized Hamiltonian with quantum chromodynamic...
Saved in:
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-01-01
|
| Series: | Physics Letters B |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269324007111 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841550713464815616 |
|---|---|
| author | Bolang Lin Sreeraj Nair Chandan Mondal Siqi Xu Zhi Hu Pengxiang Zhang Xingbo Zhao James P. Vary |
| author_facet | Bolang Lin Sreeraj Nair Chandan Mondal Siqi Xu Zhi Hu Pengxiang Zhang Xingbo Zhao James P. Vary |
| author_sort | Bolang Lin |
| collection | DOAJ |
| description | Within the basis light-front quantization (BLFQ) framework, we evaluate the gluon chiral-odd generalized parton distributions (GPDs) inside the proton at zero skewness. We employ the light-front wave functions of the proton obtained from a light-front quantized Hamiltonian with quantum chromodynamics input using BLFQ. Our investigation encompasses both the valence Fock sector with three constituent quarks and an additional sector containing three quarks and a dynamical gluon. We analyze the gluon GPDs in the momentum space as well as in the transverse position space. We further present the gluon's generalized form factors derived from the Mellin moments of its chiral-odd GPDs. Using the proton transverse spin sum rule, we also present the x-dependence of the angular momentum carried by the polarized gluon and determine the relative contributions of quarks and the gluon to the transversity asymmetry. |
| format | Article |
| id | doaj-art-baa11940afb64da49c72ff0f0d69058f |
| institution | Kabale University |
| issn | 0370-2693 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj-art-baa11940afb64da49c72ff0f0d69058f2025-01-10T04:37:19ZengElsevierPhysics Letters B0370-26932025-01-01860139153Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approachBolang Lin0Sreeraj Nair1Chandan Mondal2Siqi Xu3Zhi Hu4Pengxiang Zhang5Xingbo Zhao6James P. Vary7Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, 730000, China; School of Nuclear Physics, University of Chinese Academy of Sciences, Beijing, 100049, China; CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, 730000, China; School of Nuclear Physics, University of Chinese Academy of Sciences, Beijing, 100049, China; CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Corresponding author at: Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, 730000, China.Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, 730000, China; School of Nuclear Physics, University of Chinese Academy of Sciences, Beijing, 100049, China; CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, 730000, China; School of Nuclear Physics, University of Chinese Academy of Sciences, Beijing, 100049, China; CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, ChinaHigh Energy Accelerator Research Organization (KEK), Ibaraki 305-0801, JapanLanzhou University, Lanzhou, Gansu, 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, 730000, China; School of Nuclear Physics, University of Chinese Academy of Sciences, Beijing, 100049, China; CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, ChinaDepartment of Physics and Astronomy, Iowa State University, Ames, IA 50011, USAWithin the basis light-front quantization (BLFQ) framework, we evaluate the gluon chiral-odd generalized parton distributions (GPDs) inside the proton at zero skewness. We employ the light-front wave functions of the proton obtained from a light-front quantized Hamiltonian with quantum chromodynamics input using BLFQ. Our investigation encompasses both the valence Fock sector with three constituent quarks and an additional sector containing three quarks and a dynamical gluon. We analyze the gluon GPDs in the momentum space as well as in the transverse position space. We further present the gluon's generalized form factors derived from the Mellin moments of its chiral-odd GPDs. Using the proton transverse spin sum rule, we also present the x-dependence of the angular momentum carried by the polarized gluon and determine the relative contributions of quarks and the gluon to the transversity asymmetry.http://www.sciencedirect.com/science/article/pii/S0370269324007111Chiral-odd GPDsGluonsNucleonLight-front quantizationTransversity asymmetry |
| spellingShingle | Bolang Lin Sreeraj Nair Chandan Mondal Siqi Xu Zhi Hu Pengxiang Zhang Xingbo Zhao James P. Vary Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approach Physics Letters B Chiral-odd GPDs Gluons Nucleon Light-front quantization Transversity asymmetry |
| title | Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approach |
| title_full | Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approach |
| title_fullStr | Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approach |
| title_full_unstemmed | Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approach |
| title_short | Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approach |
| title_sort | chiral odd gluon generalized parton distributions in the proton a light front quantization approach |
| topic | Chiral-odd GPDs Gluons Nucleon Light-front quantization Transversity asymmetry |
| url | http://www.sciencedirect.com/science/article/pii/S0370269324007111 |
| work_keys_str_mv | AT bolanglin chiraloddgluongeneralizedpartondistributionsintheprotonalightfrontquantizationapproach AT sreerajnair chiraloddgluongeneralizedpartondistributionsintheprotonalightfrontquantizationapproach AT chandanmondal chiraloddgluongeneralizedpartondistributionsintheprotonalightfrontquantizationapproach AT siqixu chiraloddgluongeneralizedpartondistributionsintheprotonalightfrontquantizationapproach AT zhihu chiraloddgluongeneralizedpartondistributionsintheprotonalightfrontquantizationapproach AT pengxiangzhang chiraloddgluongeneralizedpartondistributionsintheprotonalightfrontquantizationapproach AT xingbozhao chiraloddgluongeneralizedpartondistributionsintheprotonalightfrontquantizationapproach AT jamespvary chiraloddgluongeneralizedpartondistributionsintheprotonalightfrontquantizationapproach |