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SUMMARY:[NAPP Seminar] Probing BSM physics in the Structure of the Nucleon
  using lattice QCD
DTSTART;VALUE=DATE-TIME:20170524T070000Z
DTEND;VALUE=DATE-TIME:20170524T080000Z
DTSTAMP;VALUE=DATE-TIME:20261114T215849Z
UID:indico-event-32@sshep.snu.ac.kr
DESCRIPTION:*Speaker : Prof. Rajan Gupta (Los Alamos National Laboratory)
 \n\n*Abstract : This talk will survey the calculations of matrix elements 
 of quark bilinear operators between nucleon states using lattice QCD. A nu
 mber of exciting quantities\, at the intersection of nuclear and particle 
 physics\, are being probed using these calculations. The axial charge $g_A
 $ is a fundamental parameter encapsulating the weak interaction of nucleon
 s and serves to benchmark the efficacy of lattice QCD calculations of nucl
 eon structure.  The scalar and tensor charges\, g_S and g_T\, combined wi
 th precision neutron decay distribution probe novel scalar and tensor inte
 ractions at the TeV scale. Vector form factors are probed in electron scat
 tering\, while axial vector form factors are used in the calculation of th
 e cross-section of neutrinos on nuclear targets. These energy dependent cr
 oss-sections are needed to determine the neutrino flux\, an important syst
 ematic in neutrino oscillation experiments.  Flavor diagonal charges are 
 needed to quatify the contribution of the quark spin to the nucleon spin\,
  the tensor charge\, the interaction of dark matter with nuclear targets a
 nd for the nucleon sigma term. If there is time\, I will outline the calcu
 lation of matrix elements of novel CP violating operators\, the quark EDM 
 and the quark Chromo EDM\, that contribute to the electric dipole moment o
 f the neutron (nEDM).\n \n\nhttps://sshep.snu.ac.kr/event/32/
LOCATION:B56 521
URL:https://sshep.snu.ac.kr/event/32/
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