Impact of recent COMPASS data on polarized parton distributions and structure functions
Abstract
We perform a new extraction of polarized parton distribution functions (PPDFs) from the spin structure function experimental data in the fixed-flavor number scheme. In this analysis, we include recent proton and deuteron spin structure functions obtained by the COMPASS Collaboration. We examine the impact of the new COMPASS proton and deuteron data on the polarized parton densities and compare with results from our previous study (KATAO PPDFs), which used the Jacobi polynomial approach. We find the extracted PPDFs of the proton, neutron, and deuteron structure functions are in very good agreement with the experimental data. The results for extracted PPDFs are also compared with available theoretical models from the literature.
- Authors:
- Publication Date:
- Research Org.:
- Southern Methodist Univ., Dallas, TX (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1472204
- Alternate Identifier(s):
- OSTI ID: 1498842
- Grant/Contract Number:
- SC0010129; sc0010129
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 5; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Salimi-Amiri, M., Khorramian, A., Abdolmaleki, H., and Olness, F. I. Impact of recent COMPASS data on polarized parton distributions and structure functions. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.98.056020.
Salimi-Amiri, M., Khorramian, A., Abdolmaleki, H., & Olness, F. I. Impact of recent COMPASS data on polarized parton distributions and structure functions. United States. doi:10.1103/PhysRevD.98.056020.
Salimi-Amiri, M., Khorramian, A., Abdolmaleki, H., and Olness, F. I. Mon .
"Impact of recent COMPASS data on polarized parton distributions and structure functions". United States. doi:10.1103/PhysRevD.98.056020.
@article{osti_1472204,
title = {Impact of recent COMPASS data on polarized parton distributions and structure functions},
author = {Salimi-Amiri, M. and Khorramian, A. and Abdolmaleki, H. and Olness, F. I.},
abstractNote = {We perform a new extraction of polarized parton distribution functions (PPDFs) from the spin structure function experimental data in the fixed-flavor number scheme. In this analysis, we include recent proton and deuteron spin structure functions obtained by the COMPASS Collaboration. We examine the impact of the new COMPASS proton and deuteron data on the polarized parton densities and compare with results from our previous study (KATAO PPDFs), which used the Jacobi polynomial approach. We find the extracted PPDFs of the proton, neutron, and deuteron structure functions are in very good agreement with the experimental data. The results for extracted PPDFs are also compared with available theoretical models from the literature.},
doi = {10.1103/PhysRevD.98.056020},
journal = {Physical Review D},
number = 5,
volume = 98,
place = {United States},
year = {2018},
month = {9}
}
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DOI: 10.1103/PhysRevD.98.056020
DOI: 10.1103/PhysRevD.98.056020
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