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26 papers · 2 filters
Operator Analysis of L=1 Baryon Masses in Large N_c QCD
Carl E. Carlson, Christopher D. Carone, Jose L. Goity +1
We consider in detail the mass operator analysis for the nonstrange L=1 excited baryons in large N_c QCD. We present a straightforward procedure for constructing the large N_c bary…
Factorization and high-energy effective action
Ian Balitsky
I demonstrate that the amplitude for high-energy scattering can be factorized as a convolution of the contributions due to fast and slow fields. The fast and slow fields interact b…
Interpreting the Neutron's Electric Form Factor: Rest Frame Charge Distribution or Foldy Term?
Nathan Isgur
The neutron's electric form factor contains vital information on nucleon structure, but its interpretation within many models has been obscured by relativistic effects. I demonstra…
Sudakov suppression in the soft heavy to light meson transition form factor
Adam P. Szczepaniak, Anatoly Radyushkin
We calculate hard gluon contribution to the decay vertex that determines the heavy-to-light meson transition form factor at large recoil. It is found that resulting Sudakov suppres…
Duality-Violating 1/m_Q Effects in Heavy Quark Decay
Nathan Isgur
I identify a source of Λ_{QCD}/m_Q corrections to the assumption of quark-hadron duality in the application of heavy quark methods to inclusive heavy quark decays. These correction…
Spin Structure of the Proton and Large p_T Processes in Polarized pp Collisions
L. E. Gordon, G. P. Ramsey
QCD motivated polarized parton distributions, evolved directly in x-space, are used to predict rates for prompt photon and Jet production at RHIC and HERA-N center of mass energies…