Latest lattice results for baryon spectroscopy

D. G. Richards

doi:10.1088/1674-1137/34/9/024

Chinese Physics C> 2010, Vol. 34> Issue(9) : 1281-1285 DOI: 10.1088/1674-1137/34/9/024

Latest lattice results for baryon spectroscopy

D. G. Richards ^,

Jefferson Laboratory, 12000 Jefferson Avenue Suite #1, Newport News, VA 23606, USA

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Abstract：
Theoretical and computational advances have enabled not only the masses of the ground states, but also some of the low-lying excited states to be calculated using Lattice Gauge Theory. In this talk, I look at recent progress aimed at understanding the spectrum of baryon excited states, including both baryons composed of the light u and d quarks, and of the heavier quarks. I then describe recent work aimed at understanding the radiative transitions between baryons, and in particular the N-Roper transition. I conclude with the prospects for future calculations.

References

[1]

. Aznauryan I et al. 2009 (Preprint 0907.1901)2. Durr S et al. Science, 2008, 332: 1224-1227 (Preprint0906.3599)3. Michael C. Nucl. Phys. B, 1985, 259: 584. Luscher M, Wol U. Nucl. Phys. B, 1990, 339: 222-2525. Basak S et al. (Lattice Hadron Physics (LHPC)). Phys.Rev. D, 2005, 72: 074501 (Preprint hep-lat/0508018)6. Basak S et al. Phys. Rev. D, 2005, 72: 094506 (Preprinthep-lat/0506029)7. Morningstar C J, Peardon M J. Phys. Rev. D, 1997, 56:4043-4061 (Preprint hep-lat/9704011)8. Bulava J M et al. Phys. Rev. D, 2009, 79: 034505 (Preprint0901.0027)9. Basak S et al. Phys. Rev. D, 2007, 76: 074504 (Preprint0709.0008)10. Mahbub M S et al. Phys. Lett. B, 2009, 679: 418-422(Preprint 0906.5433)11. Mahbub M S et al. Phys. Rev. D, 2009, 80: 054507(Preprint 0905.3616)12. Mathur N et al. Phys. Lett. B, 2005, 605: 137-143(Preprint hep-ph/0306199)13. Engel G et al. 2009 (Preprint 0910.2802)14. LIU L, LIN H W, Orginos K, Walker-Loud A. 2009(Preprint 0909.3294)15. El-Khadra A X, Kronfeld A S, Mackenzie P B. Phys. Rev.D, 1997, 55: 3933-3957 (Preprint hep-lat/9604004)16. LIN H W, Cohen S D, Edwards R G, Richards D G. Phys.Rev. D, 2008, 78: 114508 (Preprint 0803.3020)17. Edwards R G, Joo B, LIN H W. Phys. Rev. D, 2008, 78:054501. (Preprint 0803.3960)18. LIN H W et al. (Hadron Spectrum). Phys. Rev. D, 2009,79: 034502 (Preprint 0810.3588)19. Peardon M et al. (Hadron Spectrum). Phys. Rev. D, 2009,80: 054506 (Preprint 0905.2160)20. Dudek J J, Edwards R G, Mathur N, Richards D G. Phys.Rev. D, 2008, 77: 034501 (Preprint 0707.4162)21. Dudek J J, Edwards R G, Peardon M J, Richards D G,Thomas C E. 2009 (Preprint 0909.0200)22. Thomas C E. These proceedings23. Borasoy B, Bruns P C, Meissner U G, Lewis R. Phys. Lett.B, 2006, 641: 294-300 (Preprint hep-lat/0608001)24. Bernard V, Meissner U G, Rusetsky A. Nucl. Phys. B, 2008,788: 1-20 (Preprint hep-lat/0702012)

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D. G. Richards. Latest lattice results for baryon spectroscopy[J]. Chinese Physics C, 2010, 34(9): 1281-1285. doi: 10.1088/1674-1137/34/9/024

D. G. Richards. Latest lattice results for baryon spectroscopy[J]. Chinese Physics C, 2010, 34(9): 1281-1285. doi: 10.1088/1674-1137/34/9/024 shu

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Received: 2010-04-20
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Latest lattice results for baryon spectroscopy

Corresponding author: D. G. Richards,

Jefferson Laboratory, 12000 Jefferson Avenue Suite #1, Newport News, VA 23606, USA

Received Date: 2010-04-20

Accepted Date: 1900-01-01

Available Online: 2010-09-05

Abstract: Theoretical and computational advances have enabled not only the masses of the ground states, but also some of the low-lying excited states to be calculated using Lattice Gauge Theory. In this talk, I look at recent progress aimed at understanding the spectrum of baryon excited states, including both baryons composed of the light u and d quarks, and of the heavier quarks. I then describe recent work aimed at understanding the radiative transitions between baryons, and in particular the N-Roper transition. I conclude with the prospects for future calculations.

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