Proton radius from electron-proton scattering and chiral perturbation theory

Marko Horbatsch; Eric A. Hessels; Antonio Pineda

doi:10.1103/PhysRevC.95.035203

Proton radius from electron-proton scattering and chiral perturbation theory

Marko Horbatsch, Eric A. Hessels, Antonio Pineda

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

24 Citations (Scopus)

Abstract

© 2017 American Physical Society. We determine the root-mean-square proton charge radius, Rp, from a fit to low-Q2 electron-proton elastic-scattering cross-section data with the higher moments fixed (within uncertainties) to the values predicted by chiral perturbation theory. We obtain Rp=0.855(11) fm. This number falls between the value obtained from muonic hydrogen analyses and the CODATA value (based upon atomic hydrogen spectroscopy and electron-proton scattering determinations).

Original language	English
Article number	035203
Journal	Physical Review C
Volume	95
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.95.035203
Publication status	Published - 13 Mar 2017

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title = "Proton radius from electron-proton scattering and chiral perturbation theory",

abstract = "{\textcopyright} 2017 American Physical Society. We determine the root-mean-square proton charge radius, Rp, from a fit to low-Q2 electron-proton elastic-scattering cross-section data with the higher moments fixed (within uncertainties) to the values predicted by chiral perturbation theory. We obtain Rp=0.855(11) fm. This number falls between the value obtained from muonic hydrogen analyses and the CODATA value (based upon atomic hydrogen spectroscopy and electron-proton scattering determinations).",

author = "Marko Horbatsch and Hessels, {Eric A.} and Antonio Pineda",

year = "2017",

month = mar,

day = "13",

doi = "10.1103/PhysRevC.95.035203",

language = "English",

volume = "95",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

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T1 - Proton radius from electron-proton scattering and chiral perturbation theory

AU - Horbatsch, Marko

AU - Hessels, Eric A.

AU - Pineda, Antonio

PY - 2017/3/13

Y1 - 2017/3/13

N2 - © 2017 American Physical Society. We determine the root-mean-square proton charge radius, Rp, from a fit to low-Q2 electron-proton elastic-scattering cross-section data with the higher moments fixed (within uncertainties) to the values predicted by chiral perturbation theory. We obtain Rp=0.855(11) fm. This number falls between the value obtained from muonic hydrogen analyses and the CODATA value (based upon atomic hydrogen spectroscopy and electron-proton scattering determinations).

AB - © 2017 American Physical Society. We determine the root-mean-square proton charge radius, Rp, from a fit to low-Q2 electron-proton elastic-scattering cross-section data with the higher moments fixed (within uncertainties) to the values predicted by chiral perturbation theory. We obtain Rp=0.855(11) fm. This number falls between the value obtained from muonic hydrogen analyses and the CODATA value (based upon atomic hydrogen spectroscopy and electron-proton scattering determinations).

U2 - 10.1103/PhysRevC.95.035203

DO - 10.1103/PhysRevC.95.035203

M3 - Article

VL - 95

JO - Physical Review C

JF - Physical Review C

SN - 2469-9985

IS - 3

M1 - 035203

ER -