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Title: Probing transverse-momentum distributions with groomed jets

Abstract

We present the transverse momentum spectrum of groomed jets in di-jet events for $e^+e^–$ collisions and semi-inclusive deep inelastic scattering (SIDIS). The jets are groomed using a soft-drop grooming algorithm which helps in mitigating effects of non-global logarithms and underlying event. At the same time, by reducing the final state hadronization effects, it provides a clean access to the non-perturbative part of the evolution of transverse momentum dependent (TMD) distributions. In SIDIS experiments we look at the transverse momentum of the groomed jet measured w.r.t. the incoming hadron in the Breit frame. Because the final state hadronization effects are significantly reduced, the SIDIS case allows to probe the TMD parton distribution functions. We discuss the sources of non-perturbative effects in the low transverse momentum region including novel (but small) effects that arise due to grooming. We derive a factorization theorem within SCET and resum any large logarithm in the measured transverse momentum up to NNLL accuracy using the ζ-prescription as implemented in the artemide package and provide a comparison with simulations.

Authors:
 [1]; ORCiD logo [2];  [2];  [1];  [3]
  1. Univ. Complutense de Madrid (UCM) (Spain)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Amsterdam (Netherlands); Nikhef, Theory Group, Amsterdam (Netherlands)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA); Education Ministry of Spain (MECD); European Union (EU); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); European Research Council (ERC)
OSTI Identifier:
1597366
Report Number(s):
[LA-UR-19-31102]
[Journal ID: ISSN 1029-8479]
Grant/Contract Number:  
[89233218CNA000001; FPA2016-75654-C2-2-P; 824093; AC52-06NA25396; ERC-STG-2015-677323]
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
[Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2019; Journal Issue: 8]; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Jets; QCD Phenomenology

Citation Formats

Gutierrez-Reyes, Daniel, Makris, Yiannis, Vaidya, Varun, Scimemi, Ignazio, and Zoppi, Lorenzo. Probing transverse-momentum distributions with groomed jets. United States: N. p., 2019. Web. doi:10.1007/JHEP08(2019)161.
Gutierrez-Reyes, Daniel, Makris, Yiannis, Vaidya, Varun, Scimemi, Ignazio, & Zoppi, Lorenzo. Probing transverse-momentum distributions with groomed jets. United States. doi:10.1007/JHEP08(2019)161.
Gutierrez-Reyes, Daniel, Makris, Yiannis, Vaidya, Varun, Scimemi, Ignazio, and Zoppi, Lorenzo. Wed . "Probing transverse-momentum distributions with groomed jets". United States. doi:10.1007/JHEP08(2019)161. https://www.osti.gov/servlets/purl/1597366.
@article{osti_1597366,
title = {Probing transverse-momentum distributions with groomed jets},
author = {Gutierrez-Reyes, Daniel and Makris, Yiannis and Vaidya, Varun and Scimemi, Ignazio and Zoppi, Lorenzo},
abstractNote = {We present the transverse momentum spectrum of groomed jets in di-jet events for $e^+e^–$ collisions and semi-inclusive deep inelastic scattering (SIDIS). The jets are groomed using a soft-drop grooming algorithm which helps in mitigating effects of non-global logarithms and underlying event. At the same time, by reducing the final state hadronization effects, it provides a clean access to the non-perturbative part of the evolution of transverse momentum dependent (TMD) distributions. In SIDIS experiments we look at the transverse momentum of the groomed jet measured w.r.t. the incoming hadron in the Breit frame. Because the final state hadronization effects are significantly reduced, the SIDIS case allows to probe the TMD parton distribution functions. We discuss the sources of non-perturbative effects in the low transverse momentum region including novel (but small) effects that arise due to grooming. We derive a factorization theorem within SCET and resum any large logarithm in the measured transverse momentum up to NNLL accuracy using the ζ-prescription as implemented in the artemide package and provide a comparison with simulations.},
doi = {10.1007/JHEP08(2019)161},
journal = {Journal of High Energy Physics (Online)},
number = [8],
volume = [2019],
place = {United States},
year = {2019},
month = {8}
}

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