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Title: Pion distribution amplitude from lattice QCD

Journal Article · · Physical Review D
 [1];  [2];  [3];  [4];  [5]
  1. Univ. of Regensburg (Germany). Inst. for Theoretische Physik
  2. National Taiwan Univ., Taipei (Taiwan); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  3. Shanghai Jiao Tong Univ. (China); Univ. of Maryland, College Park, MD (United States)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States)
  5. Michigan State Univ., East Lansing, MI (United States)

Here, we introduce the first lattice-QCD calculation of the pion distribution amplitude using the large-momentum effective field theory (LaMET) approach, which allows us to extract light cone parton observables from a Euclidean lattice. The mass corrections needed to extract the pion distribution amplitude from this approach are calculated to all orders in $$m^{2}_{π}$$/$$P^{2}_{z}$$. Furthermore, we implement the Wilson-line renormalization which is crucial to remove the power divergences in this approach, and find that it reduces the oscillation at the end points of the distribution amplitude. Our exploratory result at 310-MeV pion mass favors a single-hump form broader than the asymptotic form of the pion distribution amplitude.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC02-05CH11231; FG02-93ER-40762; SC0012704; 11DZ2260700
OSTI ID:
1544390
Alternate ID(s):
OSTI ID: 1360999
Report Number(s):
MIT-CTP/4876; MSUHEP-17-003; PRVDAQ
Journal Information:
Physical Review D, Vol. 95, Issue 9; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 109 works
Citation information provided by
Web of Science

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Improved quasi parton distribution through Wilson line renormalization text January 2016

Cited By (36)

$$N^*$$ N ∗ Structure and Strong QCD journal May 2018
Gaussian-weighted parton quasi-distribution (Lattice Parton Physics Project (LP3)) journal April 2019
The pion: an enigma within the Standard Model journal May 2016
Symmetry properties of nonlocal quark bilinear operators on a Lattice (LP 3 Collaboration) journal September 2019
Pion and kaon structure at the electron-ion collider journal October 2019
Two-hadron saturation for the pseudoscalar–vector–vector correlator and phenomenological applications journal December 2015
A Guide to Light-Cone PDFs from Lattice QCD: An Overview of Approaches, Techniques, and Results journal June 2019
Systematic uncertainties in parton distribution functions from lattice QCD simulations at the physical point text January 2019
Nucleon and $${\Delta}$$ Δ Elastic and Transition Form Factors journal October 2014
Gluon quasidistribution function at one loop journal February 2018
Parton distribution functions from reduced Ioffe-time distributions text January 2018
Power corrections and renormalons in parton quasidistributions text January 2019
Symmetry properties of nonlocal quark bilinear operators on a Lattice (LP3 Collaboration) text January 2019
Radiative leptonic decay B → γℓνℓ with subleading power corrections text January 2018
Pion distribution amplitude from Euclidean correlation functions: Exploring universality and higher-twist effects text January 2018
Parton distribution function with nonperturbative renormalization from lattice QCD text January 2018
Complete matching for quasidistribution functions in large momentum effective theory text January 2019
Nucleon generalized form factors from two-flavor lattice QCD text January 2019
Accessing Gluon Parton Distributions in Large Momentum Effective Theory text January 2019
Unpolarized isovector quark distribution function from lattice QCD: A systematic analysis of renormalization and matching text January 2020
Matching the Quasi Parton Distribution in a Momentum Subtraction Scheme conference March 2018
The role of the Euclidean signature in lattice calculations of quasi-distributions and other non-local matrix elements text January 2017
Gluon quasidistribution function at one loop text January 2017
Matching the Quasi Parton Distribution in a Momentum Subtraction Scheme text January 2017
Parton distribution functions from reduced Ioffe-time distributions text January 2018
Factorization Theorem Relating Euclidean and Light-Cone Parton Distributions text January 2018
Renormalization of Wilson-line operators in the presence of nonzero quark masses text January 2018
Pion and kaon valence quark distribution functions from Dyson-Schwinger equations text January 2018
Unpolarized isovector quark distribution function from Lattice QCD: A systematic analysis of renormalization and matching text January 2018
Pion distribution amplitude from Euclidean correlation functions: Exploring universality and higher-twist effects text January 2018
Mass-dependence of pseudoscalar meson elastic form factors text January 2018
A guide to light-cone PDFs from Lattice QCD: an overview of approaches, techniques and results text January 2018
Unravelling High-Energy Hadron Structures with Lattice QCD text January 2018
Pion and Kaon Structure at the Electron-Ion Collider text January 2019
Matching generalized parton quasidistributions in the RI/MOM scheme text January 2019
Transverse momentum dependent parton quasidistributions text January 2019

Figures / Tables (4)


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