Adelaide Research & Scholarship
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https://hdl.handle.net/2440/138318
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| Type: | Journal article |
| Title: | Moments and power corrections of longitudinal and transverse proton structure functions from lattice QCD |
| Author: | Batelaan, M. Can, K.U. Hannaford-Gunn, A. Horsley, R. Nakamura, Y. Perlt, H. Rakow, P.E.L. Schierholz, G. Stüben, H. Young, R.D. Zanotti, J.M. |
| Citation: | Physical Review D, 2023; 107(5):054503-1-054503-11 |
| Publisher: | American Physical Society (APS) |
| Issue Date: | 2023 |
| ISSN: | 2470-0010 2470-0029 |
| Statement of Responsibility: | M. Batelaan, K. U. Can, A. Hannaford-Gunn, R. Horsley, Y. Nakamura, H. Perlt, P. E. L. Rakow, G. Schierholz, H. Stüben, R. D. Young, and J. M. Zanotti, (QCDSF/UKQCD/CSSM Collaborations) |
| Abstract: | We present a simultaneous extraction of the moments of F2 and FL structure functions of the proton for a range of photon virtuality, Q2. This is achieved by computing the forward Compton amplitude on the lattice utilizing the second-order Feynman-Hellmann theorem. Our calculations are performed on configurations with two different lattice spacings and volumes, all at the SUð3Þ symmetric point. We find the moments of F2 and FL in good agreement with experiment. Power corrections turn out to be significant. This is the first time the Q2 dependence of the lowest moment of F2 has been quantified. |
| Rights: | Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3. |
| DOI: | 10.1103/physrevd.107.054503 |
| Grant ID: | http://purl.org/au-research/grants/arc/DP190100297 http://purl.org/au-research/grants/arc/DP220103098 |
| Published version: | http://dx.doi.org/10.1103/physrevd.107.054503 |
| Appears in Collections: | Physics publications |
Files in This Item:
| File | Description | Size | Format | |
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| hdl_138318.pdf | Published version | 1.67 MB | Adobe PDF | View/Open |
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