- My research area is theoretical particle physics. My recent work focuses on deriving rigorous results for hadrons in QCD, the theory of the strong interactions. First principle calculations are difficult in this theory because the Lagrangian description is given in terms of quarks and gluons, not hadrons. Progress has been made by introducing new calculational methods based on approximate symmetries of QCD, such as chiral symmetry and heavy quark spin-flavor symmetry. The most exciting recent development is the use of an expansion in 1/Nc, where Nc is the number of colors, to show that static properties of baryons satisfy light quark spin-flavor symmetry relations to high accuracy. This development explains many of the successes of the phenomenological models, such as the non-relativistic quark model and chiral soliton model, directly in QCD.
Professor Elizabeth Jenkins has been elected a Fellow of the American Physical Society
Professor Elizabeth Jenkins has been elected a Fellow of the American Physical Society upon the recommendation of the Division of Nuclear Physics. As you may know, no more than one half of one percent of the membership are recognized by their peers for election to Fellowship in the American Physical Society.
The citation, which will appear on the Fellowship Certificate, will read as follows:
"For her contributions to the understanding of the realization of flavor and spin symmetries for Baryons, through innovative application of the large Nc expansion."
The citation will be published in the March 2007 issue of APS News as well as appear on the Fellowship Page of the APS Home Page. The presentation of the certificate will be at the divisional annual meeting.
- - Neutrino Physics in the Seesaw Model, Nucl. Phys. B672 (2003) 163-198
(with A. Broncano and M.B. Gavela).
- - Testing the Cosmic Coincidence Problem Problem and the Nature of Dark Energy, Phys. Rev. Lett. 87:141302 (2001) (with N. Dalal, K. Abazajian and A.V. Manohar)
- - Large-Nc Baryons, Annu. Rev. Nucl. Part. Sci. 48 (1998) 81-119
- - Baryon Mass Splittings in the 1/Nc Expansion, Phys. Rev. D52 (1995) 282-294
(with R.F. Lebed)
- - Spin-Flavor Structure of Large Nc Baryons, Phys. Rev. D51 (1995) 3697-3727
(with R.F. Dashen and A.V. Manohar)
- - 1/Nc Expansion for Baryons, Phys. Rev. D49 (1994) 4713-4738 (with R.F. Dashen and A.V. Manohar)
- - Baryon Masses in Chiral Perturbation Theory, Nucl. Phys. 368B (1992) 190-203
- - Baryon Chiral Perturbation Theory Using a Heavy Fermion Lagrangian, Phys. Lett. 255B (1991) 558-562 (with A.V. Manohar)