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Title: QED self-energies from lattice QCD without power-law finite-volume errors

Abstract

Using the infinite-volume photon propagator, we develop a method which allows us to calculate electromagnetic corrections to stable hadron masses at leading order in α QED with only exponentially suppressed finite-volume effects. The key idea is that the infinite-volume hadronic current-current correlation function with large time separation between the two currents can be reconstructed by its value at modest time separation, which can be evaluated in finite volume with only exponentially suppressed errors. This approach can be extended to many other possible applications such as QED corrections to (semi)leptonic decays and some rare decays.

Authors:
; ORCiD logo
Publication Date:
Research Org.:
Univ. of Connecticut, Storrs, CT (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1575831
Alternate Identifier(s):
OSTI ID: 1596008
Grant/Contract Number:  
SC0010339
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 9; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Feng, Xu, and Jin, Luchang. QED self-energies from lattice QCD without power-law finite-volume errors. United States: N. p., 2019. Web. doi:10.1103/PhysRevD.100.094509.
Feng, Xu, & Jin, Luchang. QED self-energies from lattice QCD without power-law finite-volume errors. United States. doi:10.1103/PhysRevD.100.094509.
Feng, Xu, and Jin, Luchang. Tue . "QED self-energies from lattice QCD without power-law finite-volume errors". United States. doi:10.1103/PhysRevD.100.094509.
@article{osti_1575831,
title = {QED self-energies from lattice QCD without power-law finite-volume errors},
author = {Feng, Xu and Jin, Luchang},
abstractNote = {Using the infinite-volume photon propagator, we develop a method which allows us to calculate electromagnetic corrections to stable hadron masses at leading order in α QED with only exponentially suppressed finite-volume effects. The key idea is that the infinite-volume hadronic current-current correlation function with large time separation between the two currents can be reconstructed by its value at modest time separation, which can be evaluated in finite volume with only exponentially suppressed errors. This approach can be extended to many other possible applications such as QED corrections to (semi)leptonic decays and some rare decays.},
doi = {10.1103/PhysRevD.100.094509},
journal = {Physical Review D},
number = 9,
volume = 100,
place = {United States},
year = {2019},
month = {11}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.100.094509

Citation Metrics:
Cited by: 4 works
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Works referenced in this record:

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