Power corrections in semi-inclusive deep inelastic scatterings at fixed target energies
Abstract
The COMPASS collaboration published precise data on production cross section of charged hadrons in lepton-hadron semi-inclusive deep inelastic scattering, showing almost an order of magnitude larger than next-to-leading order QCD calculations when $$P_{h_T}$$ and $$z_h$$ are sufficiently large. We explore the role of power corrections to the theoretical calculations, and quantitatively demonstrate that the power corrections are extremely important for these data when the final-state multiplicity is low and the production kinematics is near the edge of phase space. Our finding motivates more detailed studies on power corrections for upcoming experiments at Jefferson Lab, as well as the future Electron-Ion Collider.
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1591694
- Alternate Identifier(s):
- OSTI ID: 1591756
- Report Number(s):
- JLAB-THY-19-2997; DOE/OR/23177-4751; arXiv:1907.06136
Journal ID: ISSN 2470-0010; PRVDAQ; 014008
- Grant/Contract Number:
- AC05-06OR23177; FG02-03ER41231
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 101 Journal Issue: 1; 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
Liu, Tianbo, and Qiu, Jian-Wei. Power corrections in semi-inclusive deep inelastic scatterings at fixed target energies. United States: N. p., 2020.
Web. doi:10.1103/PhysRevD.101.014008.
Liu, Tianbo, & Qiu, Jian-Wei. Power corrections in semi-inclusive deep inelastic scatterings at fixed target energies. United States. https://doi.org/10.1103/PhysRevD.101.014008
Liu, Tianbo, and Qiu, Jian-Wei. Tue .
"Power corrections in semi-inclusive deep inelastic scatterings at fixed target energies". United States. https://doi.org/10.1103/PhysRevD.101.014008.
@article{osti_1591694,
title = {Power corrections in semi-inclusive deep inelastic scatterings at fixed target energies},
author = {Liu, Tianbo and Qiu, Jian-Wei},
abstractNote = {The COMPASS collaboration published precise data on production cross section of charged hadrons in lepton-hadron semi-inclusive deep inelastic scattering, showing almost an order of magnitude larger than next-to-leading order QCD calculations when $P_{h_T}$ and $z_h$ are sufficiently large. We explore the role of power corrections to the theoretical calculations, and quantitatively demonstrate that the power corrections are extremely important for these data when the final-state multiplicity is low and the production kinematics is near the edge of phase space. Our finding motivates more detailed studies on power corrections for upcoming experiments at Jefferson Lab, as well as the future Electron-Ion Collider.},
doi = {10.1103/PhysRevD.101.014008},
journal = {Physical Review D},
number = 1,
volume = 101,
place = {United States},
year = {2020},
month = {1}
}
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https://doi.org/10.1103/PhysRevD.101.014008
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