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Author Correction: Measurement of the neutron charge radius and the role of its constituents.

ABSTRACT:

SUBMITTER: Atac H

PROVIDER: S-EPMC8159971 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature

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Author Correction: Measurement of the neutron charge radius and the role of its constituents.

Atac H H Constantinou M M Meziani Z-E ZE Paolone M M Sparveris N N

Nature communications 20210527 1

PMID: 34045468

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Measurement of the neutron charge radius and the role of its constituents.

Project description:The neutron is a cornerstone in our depiction of the visible universe. Despite the neutron zero-net electric charge, the asymmetric distribution of the positively- (up) and negatively-charged (down) quarks, a result of the complex quark-gluon dynamics, lead to a negative value for its squared charge radius, [Formula: see text]. The precise measurement of the neutron's charge radius thus emerges as an essential part of unraveling its structure. Here we report on a [Formula: see text] measurement, based on the extraction of the neutron electric form factor, [Formula: see text], at low four-momentum transfer squared (Q2) by exploiting the long known connection between the N → Δ quadrupole transitions and the neutron electric form factor. Our result, [Formula: see text], addresses long standing unresolved discrepancies in the [Formula: see text] determination. The dynamics of the strong nuclear force can be viewed through the precise picture of the neutron's constituent distributions that result into the non-zero [Formula: see text] value.

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