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Workshop on NREC 2026 (the second workshop on Nuclear Radius Extraction Collaboration)
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America/New_York
CFNS, C 120: Peter Paul Seminar Room, Physics Building (Stony Brook University / Online)
CFNS, C 120: Peter Paul Seminar Room, Physics Building
Stony Brook University / Online
Description
The workshop presentations should be given IN PERSON, and in some specific cases ON ZOOM if the in-person participation is not possible.
This event is a part of the CFNS workshop / ad-hoc meeting series. See the CFNS CONFERENCES AND WORKSHOPS webpage for other events.
Note: The remote Zoom link is only visible to the registered participants. After registration, the Zoom link will appear on the menu bar.
Description: The extraction of the size and structure of hadrons/nuclei is an important and exciting research branch of modern nuclear, particle and atomic physics. In particular, the "proton charge radius puzzle" was born about 15 years ago, when measurements of this radius based on the results obtained from three types of experiments differed by more than five standard deviations. Two years ago, Nuclear Radius Extraction Collaboration (NREC) was founded, having one of the goals to help resolve this discrepancy and assist in developing the entire field. As such, NREC being an experimental-theoretical alliance may have an indispensable role in the future, related to the developments in phenomenology, theory, and experiment.
One of the other NREC's goals is to provide a platform for information exchange to find synergies between various groups, which carry out studies and extractions of nucleon form factors, radii and related quantities. Our focus also goes to a wider field including weak/strong/gravitational form factors, other radii of particles beyond the nucleon, including conventional/non-conventional mesons, baryons, light and heavy nuclei, etc..
Objectives: The proposed workshop will assess the current status and prospects in studies of some of the key topics related to hadronic and nuclear size/structure, which has only been partially covered during the first inaugural NREC workshop held at CFNS in May of 2024 in cooperation with PREN and μASTI: NREC first workshop. In addition, we will also focus on
a) promotion of physics simulations and phenomenological/theoretical calculations in a broad effort;
b) promotion and completion of the NREC White Paper.
Topics to be discussed: Some of the research areas to be covered by NREC are highly relevant in the context of the Electron-Ion Collider. To facilitate discussions incorporating the EIC physics and broader physics covered by NREC, the workshop will be multi-disciplinary. The primary topics to be covered are
(i) hadronic (and light nuclei) radii and form factors from lepton/neutrino scattering and electronic-/muonic-hydrogen spectroscopy;
(ii) the associated radiative corrections for scattering and spectroscopy;
(iii) nuclear radii and neutron skin from lepton scattering experiments as well as from collinear laser spectroscopy;
(iv) current and upcoming lepton/neutrino scattering experiments.
This workshop is hosted at and supported by
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