Collins-Soper kernel for TMD evolution from lattice QCD
© 2020 authors. Published by the American Physical Society. The Collins-Soper kernel relates transverse momentum-dependent parton distribution functions (TMDPDFs) at different energy scales. For small parton transverse momentum qT∼ΛQCD, this kernel is nonperturbative and can only be determined with...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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American Physical Society (APS)
2021
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| Online Access: | https://hdl.handle.net/1721.1/135394 |
| _version_ | 1811091639307862016 |
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| author | Shanahan, Phiala Wagman, Michael Zhao, Yong |
| author_facet | Shanahan, Phiala Wagman, Michael Zhao, Yong |
| author_sort | Shanahan, Phiala |
| collection | MIT |
| description | © 2020 authors. Published by the American Physical Society. The Collins-Soper kernel relates transverse momentum-dependent parton distribution functions (TMDPDFs) at different energy scales. For small parton transverse momentum qT∼ΛQCD, this kernel is nonperturbative and can only be determined with controlled uncertainties through experiment or first-principles calculations. This work presents the first exploratory determination of the Collins-Soper kernel using the lattice formulation of quantum chromodynamics. In a quenched calculation, the Nf=0 kernel is determined at scales in the range 250 MeV<qT<2 GeV, and an analysis of the remaining systematic uncertainties is undertaken. |
| first_indexed | 2024-09-23T15:05:34Z |
| format | Article |
| id | mit-1721.1/135394 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T15:05:34Z |
| publishDate | 2021 |
| publisher | American Physical Society (APS) |
| record_format | dspace |
| spelling | mit-1721.1/1353942021-10-28T03:27:39Z Collins-Soper kernel for TMD evolution from lattice QCD Shanahan, Phiala Wagman, Michael Zhao, Yong © 2020 authors. Published by the American Physical Society. The Collins-Soper kernel relates transverse momentum-dependent parton distribution functions (TMDPDFs) at different energy scales. For small parton transverse momentum qT∼ΛQCD, this kernel is nonperturbative and can only be determined with controlled uncertainties through experiment or first-principles calculations. This work presents the first exploratory determination of the Collins-Soper kernel using the lattice formulation of quantum chromodynamics. In a quenched calculation, the Nf=0 kernel is determined at scales in the range 250 MeV<qT<2 GeV, and an analysis of the remaining systematic uncertainties is undertaken. 2021-10-27T20:23:16Z 2021-10-27T20:23:16Z 2020 2021-07-08T18:04:05Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/135394 en 10.1103/PHYSREVD.102.014511 Physical Review D Creative Commons Attribution 4.0 International license https://creativecommons.org/licenses/by/4.0/ application/pdf American Physical Society (APS) APS |
| spellingShingle | Shanahan, Phiala Wagman, Michael Zhao, Yong Collins-Soper kernel for TMD evolution from lattice QCD |
| title | Collins-Soper kernel for TMD evolution from lattice QCD |
| title_full | Collins-Soper kernel for TMD evolution from lattice QCD |
| title_fullStr | Collins-Soper kernel for TMD evolution from lattice QCD |
| title_full_unstemmed | Collins-Soper kernel for TMD evolution from lattice QCD |
| title_short | Collins-Soper kernel for TMD evolution from lattice QCD |
| title_sort | collins soper kernel for tmd evolution from lattice qcd |
| url | https://hdl.handle.net/1721.1/135394 |
| work_keys_str_mv | AT shanahanphiala collinssoperkernelfortmdevolutionfromlatticeqcd AT wagmanmichael collinssoperkernelfortmdevolutionfromlatticeqcd AT zhaoyong collinssoperkernelfortmdevolutionfromlatticeqcd |