Baryon structure from Lattice QCD
نویسندگان
چکیده
منابع مشابه
Decuplet baryon structure from lattice QCD.
The electromagnetic properties of the SU(3)-flavor baryon decuplet are examined within a lattice simulation of quenched QCD. Electric charge radii, magnetic moments, and magnetic radii are extracted from the E0 and M1 form factors. Preliminary results for the E2 and M3 moments are presented giving the first model independent insight to the shape of the quark distribution in the baryon ground st...
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Experiments show that many excited-state hadrons exist, and there are significant experimental efforts to map out the QCD resonance spectrum, such as Hall B and the proposed Hall D at Jefferson Lab, ELSA associated with the University of Bonn, COMPASS at CERN, PANDA at GSI, and BESIII in Beijing. Hence, there is a great need for ab initio determinations of such states in lattice QCD. To extract...
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Zachary S. Brown, William Detmold, Stefan Meinel, and Kostas Orginos Department of Physics, College of William and Mary, Williamsburg, Virginia 23187, USA Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA Department of Physics, University of Arizona, Tucson,...
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We review recent developments in the study of excited baryon spectroscopy in lattice QCD. After introducing the basic methods used to extract masses from correlation functions, we discuss various interpolating fields and lattice actions commonly used in the literature. We present a survey of results of recent calculations of excited baryons in quenched QCD, and outline possible future direction...
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Recent advances in lattice field theory, in computer technology and in chiral perturbation theory have enabled lattice QCD to emerge as a powerful quantitative tool in understanding hadron structure. I describe recent progress in the computation of the nucleon form factors and moments of parton distribution functions, before proceeding to describe lattice studies of the Generalized Parton Distr...
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ژورنال
عنوان ژورنال: Chinese Physics C
سال: 2009
ISSN: 1674-1137
DOI: 10.1088/1674-1137/33/12/008