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SUMMARY:Workshop on NREC 2026 (the second workshop on Nuclear Radius Extra
 ction Collaboration)
DTSTART:20260413T130000Z
DTEND:20260417T213000Z
DTSTAMP:20260513T091200Z
UID:indico-event-515@indico.cfnssbu.physics.sunysb.edu
CONTACT:cfnssbu@gmail.com\;jan.bernauer@stonybrook.edu\;ethan.cline@stonyb
 rook.edu\;vlakhach@iu.edu\;wenliang.b.li@gmail.com
DESCRIPTION:\nThe workshop presentations should be given IN PERSON\, and i
 n some specific cases ON ZOOM if the in-person participation is not possib
 le.\nThis event is a part of the CFNS workshop / ad-hoc meeting series. Se
 e the CFNS CONFERENCES AND WORKSHOPS webpage for other events.\nNote: The
  remote Zoom link is only visible to the registered participants. After re
 gistration\, the Zoom link will appear on the menu bar.\nDescription:  Th
 e extraction of the size and structure of hadrons/nuclei is an important a
 nd exciting research branch of modern nuclear\, particle and atomic physic
 s. In particular\, the "proton charge radius puzzle" was born about 15 yea
 rs ago\, when measurements of this radius based on the results obtained fr
 om three types of experiments differed by more than five standard deviatio
 ns. Two years ago\, Nuclear Radius Extraction Collaboration (NREC) was fou
 nded\, having one of the goals to help resolve this discrepancy and assist
  in developing the entire field. As such\, NREC being an experimental-theo
 retical 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 t
 o find synergies between various groups\, which carry out studies and extr
 actions of nucleon form factors\, radii and related quantities. Our focus 
 also goes to a wider field including weak/strong/gravitational form factor
 s\, other radii of particles beyond the nucleon\, including conventional/n
 on-conventional mesons\, baryons\, light and heavy nuclei\, etc..\nObjecti
 ves:  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 inaugur
 al 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) pro
 motion of physics simulations and phenomenological/theoretical calculation
 s in a broad effort\;  b) promotion and completion of the NREC White Pape
 r.\nTopics 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 f
 acilitate discussions incorporating the EIC physics and broader physics co
 vered by NREC\, the workshop will be multi-disciplinary. The primary topic
 s to be covered are    (i) hadronic (and light nuclei) radii and form f
 actors from lepton/neutrino scattering and electronic-/muonic-hydrogen spe
 ctroscopy\;    (ii) the associated radiative corrections for scattering
  and spectroscopy\;  (iii) nuclear radii and neutron skin from lepton sc
 attering experiments as well as from collinear laser spectroscopy\;   (i
 v) current and upcoming lepton/neutrino scattering experiments.\n \nThis 
 workshop is hosted at and supported by\n\n\nhttps://indico.cfnssbu.physics
 .sunysb.edu/event/515/
IMAGE;VALUE=URI:https://indico.cfnssbu.physics.sunysb.edu/event/515/logo-1
 993934319.png
LOCATION:CFNS\, C 120: Peter Paul Seminar Room\, Physics Building (Stony B
 rook University / Online)
URL:https://indico.cfnssbu.physics.sunysb.edu/event/515/
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