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The deuteron-radius...
The deuteron-radius puzzle is alive: A new analysis of nuclear structure uncertainties
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- Hernandez, O. J. (författare)
- University of British Columbia (UBC),Johannes Gutenberg-Universität Mainz,Johannes Gutenberg University Mainz,TRIUMF
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- Ekström, Andreas, 1980 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Dinur, N. Nevo (författare)
- TRIUMF
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- Ji, C. (författare)
- Central China Normal University
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- Bacca, S. (författare)
- University of Manitoba,TRIUMF,Johannes Gutenberg-Universität Mainz,Johannes Gutenberg University Mainz
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- Barnea, N. (författare)
- The Hebrew University Of Jerusalem
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(creator_code:org_t)
- Elsevier BV, 2018
- 2018
- Engelska.
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Ingår i: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - : Elsevier BV. - 0370-2693. ; 778, s. 377-383
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- To shed light on the deuteron radius puzzle we analyze the theoretical uncertainties of the nuclear structure corrections to the Lamb shift in muonic deuterium. We find that the discrepancy between the calculated two-photon exchange correction and the corresponding experimentally inferred value by Pohl etal. [1] remain. The present result is consistent with our previous estimate, although the discrepancy is reduced from 2.6 sigma about 2 sigma. The error analysis includes statistic as well as systematic uncertainties stemming from the use of nucleon-nucleon interactions derived from chiral effective field theory at various orders. We therefore conclude that nuclear theory uncertainty is more likely not the source of the discrepancy. (c) 2018 The Authors. Published by Elsevier B.V.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
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