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SUMMARY:Imaging Nuclei Through Exclusive Vector Meson Production
DTSTART:20260707T150000Z
DTEND:20260707T170000Z
DTSTAMP:20260702T232300Z
UID:indico-event-33315@indico.bnl.gov
CONTACT:ptribedy@bnl.gov
DESCRIPTION:Speakers: Maci Kesler (Kent State University)\n\nOne of the ma
 jor goals of modern nuclear experiments is to study the distributions of g
 luons inside\nnuclei at high energy. A key measurement is exclusive vector
  meson (VM) production in diffractive\nelectron-nucleus collisions (e+A). 
 In coherent production\, the gluon spatial distribution inside the\nnucleu
 s can be obtained through a Fourier transform of the momentum transfer dis
 tribution (|t|).\nThis research aims to overcome the two main obstacles of
  the |t| measurement: limited precision\narising from the momentum resolut
 ion of the outgoing electron and the overwhelming incoherent\nbackground. 
 We demonstrate that by measuring the projected |t| distribution along the 
 direction\nperpendicular to the electron scattering plane\, the effect of 
 the outgoing electron’s momentum\nresolution can be effectively mitigate
 d\, and the diffractive pattern is largely restored. Furthermore\,\nwe pro
 pose to measure the angular distribution of the VM’s decay daughters to 
 statistically remove\nthe incoherent background. This study provides a pos
 sible solution to overcome the challenges met\nby utilizing the diffractiv
 e VM production for imaging gluon distributions in nuclei at the Electron-
 \nIon Collider (EIC)\n\nhttps://indico.bnl.gov/event/33315/
LOCATION:Small seminar room
URL:https://indico.bnl.gov/event/33315/
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