skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Zero-range effective field theory for resonant wino dark matter. Part II. Coulomb resummation

Abstract

Near a critical value of the wino mass where there is a zero-energy S-wave resonance at the neutral-wino-pair threshold, low-energy winos can be described by a zero-range effective field theory (ZREFT) in which the winos interact nonperturbatively through a contact interaction and charged winos also have electromagnetic interactions. At energies near the wino-pair thresholds, the Coulomb interaction from photon exchange between charged winos must also be treated nonperturbatively. The parameters of ZREFT can be determined by matching wino-wino scattering amplitudes calculated by solving the Schrödinger equation for winos interacting through a potential due to the exchange of electroweak gauge bosons. As a result with Coulomb resummation, ZREFT at leading order gives a good description of the low-energy two-body observables for winos.

Authors:
 [1]; ORCiD logo [1];  [1]
  1. The Ohio State Univ., Columbus, OH (United States). Dept. of Physics
Publication Date:
Research Org.:
The Ohio State Univ., Columbus, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1499183
Grant/Contract Number:  
SC0011726
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Volume: 2018; Journal Issue: 2; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Supersymmetry Phenomenology

Citation Formats

Braaten, Eric, Johnson, Evan, and Zhang, Hong. Zero-range effective field theory for resonant wino dark matter. Part II. Coulomb resummation. United States: N. p., 2018. Web. doi:10.1007/jhep02(2018)150.
Braaten, Eric, Johnson, Evan, & Zhang, Hong. Zero-range effective field theory for resonant wino dark matter. Part II. Coulomb resummation. United States. doi:10.1007/jhep02(2018)150.
Braaten, Eric, Johnson, Evan, and Zhang, Hong. Fri . "Zero-range effective field theory for resonant wino dark matter. Part II. Coulomb resummation". United States. doi:10.1007/jhep02(2018)150. https://www.osti.gov/servlets/purl/1499183.
@article{osti_1499183,
title = {Zero-range effective field theory for resonant wino dark matter. Part II. Coulomb resummation},
author = {Braaten, Eric and Johnson, Evan and Zhang, Hong},
abstractNote = {Near a critical value of the wino mass where there is a zero-energy S-wave resonance at the neutral-wino-pair threshold, low-energy winos can be described by a zero-range effective field theory (ZREFT) in which the winos interact nonperturbatively through a contact interaction and charged winos also have electromagnetic interactions. At energies near the wino-pair thresholds, the Coulomb interaction from photon exchange between charged winos must also be treated nonperturbatively. The parameters of ZREFT can be determined by matching wino-wino scattering amplitudes calculated by solving the Schrödinger equation for winos interacting through a potential due to the exchange of electroweak gauge bosons. As a result with Coulomb resummation, ZREFT at leading order gives a good description of the low-energy two-body observables for winos.},
doi = {10.1007/jhep02(2018)150},
journal = {Journal of High Energy Physics (Online)},
issn = {1029-8479},
number = 2,
volume = 2018,
place = {United States},
year = {2018},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Save / Share: