Nucleon transverse momentumdependent parton distributions from domain wall fermion calculations at 297 MeV pion mass
Here, lattice QCD calculations of transverse momentumdependent parton distributions (TMDs) in a nucleon are performed based on a definition of TMDs via hadronic matrix elements of quark bilocal operators containing stapleshaped gauge connections. A parametrization of the matrix elements in terms of invariant amplitudes serves to cast them in the Lorentz frame preferred for the lattice calculation. Using a RBC/UKQCD domain wall fermion ensemble corresponding to a pion mass of 297 MeV, on a lattice with spacing 0.084 fm, selected TMD observables are accessed and compared to previous exploration at heavier pion masses on coarser lattices.
 Authors:

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 New Mexico State Univ., Las Cruces, NM (United States)
 Univ. Regensburg, Regensburg (Germany)
 Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
 Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
 Brookhaven National Lab. (BNL), Upton, NY (United States)
 Publication Date:
 Report Number(s):
 LAUR1429420
Journal ID: ISSN 18248039
 Grant/Contract Number:
 AC5206NA25396
 Type:
 Accepted Manuscript
 Journal Name:
 PoS Proceedings of Science
 Additional Journal Information:
 Journal Volume: 167; Conference: 32. International Symposium on Lattice Field Theory, New York, NY (United States), 2328 Jun 2014; Journal ID: ISSN 18248039
 Publisher:
 SISSA
 Research Org:
 Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
 Sponsoring Org:
 USDOE
 Country of Publication:
 United States
 Language:
 English
 Subject:
 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
 OSTI Identifier:
 1240435
Engelhardt, M., Musch, B., Bhattacharya, T., Gupta, R., Hagler, P., Negele, J., Pochinsky, A., Schafer, A., Syritsyn, S., and Yoon, B.. Nucleon transverse momentumdependent parton distributions from domain wall fermion calculations at 297 MeV pion mass. United States: N. p.,
Web.
Engelhardt, M., Musch, B., Bhattacharya, T., Gupta, R., Hagler, P., Negele, J., Pochinsky, A., Schafer, A., Syritsyn, S., & Yoon, B.. Nucleon transverse momentumdependent parton distributions from domain wall fermion calculations at 297 MeV pion mass. United States.
Engelhardt, M., Musch, B., Bhattacharya, T., Gupta, R., Hagler, P., Negele, J., Pochinsky, A., Schafer, A., Syritsyn, S., and Yoon, B.. 2014.
"Nucleon transverse momentumdependent parton distributions from domain wall fermion calculations at 297 MeV pion mass". United States.
doi:. https://www.osti.gov/servlets/purl/1240435.
@article{osti_1240435,
title = {Nucleon transverse momentumdependent parton distributions from domain wall fermion calculations at 297 MeV pion mass},
author = {Engelhardt, M. and Musch, B. and Bhattacharya, T. and Gupta, R. and Hagler, P. and Negele, J. and Pochinsky, A. and Schafer, A. and Syritsyn, S. and Yoon, B.},
abstractNote = {Here, lattice QCD calculations of transverse momentumdependent parton distributions (TMDs) in a nucleon are performed based on a definition of TMDs via hadronic matrix elements of quark bilocal operators containing stapleshaped gauge connections. A parametrization of the matrix elements in terms of invariant amplitudes serves to cast them in the Lorentz frame preferred for the lattice calculation. Using a RBC/UKQCD domain wall fermion ensemble corresponding to a pion mass of 297 MeV, on a lattice with spacing 0.084 fm, selected TMD observables are accessed and compared to previous exploration at heavier pion masses on coarser lattices.},
doi = {},
journal = {PoS Proceedings of Science},
number = ,
volume = 167,
place = {United States},
year = {2014},
month = {6}
}