Hadronic spectroscopy at a ≈ 0.15 fm.

Khalil M. Bitar, R. Edwards, U. M. Heller, A. D. Kennedy, Thomas A. DeGrand, Steven Gottlieb, A. Krasnitz, J. B. Kogut, R. L. Renken, C. Liu, Pietro Rossi, Michael C. Ogilvie, D. K. Sinclair, K. C. Wang, R. L. Sugar, Michael Teper, D. Toussaint

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

We discuss some aspects of the hadron spectrum with two flavors of Kogut-Susskind dynamical quarks at 6/g2 = 5.6 and amq = 0.01 and 0.025, using both Kogut-Susskind and Wilson valence quarks. Our high statistics simulations allow us to study systematic errors. Among the problematic features of our results are a dip in the pion effective mass which we ascribe to replicating the lattice in the time direction and large finite size effects in the baryon masses. We also compare the full QCD results to a quenched simulation at similar lattice spacing and quark masses to test whether the effects of dynamical fermions can be absorbed into renormalization of the lattice parameters.

Original languageEnglish (US)
Pages (from-to)362-369
Number of pages8
JournalNuclear Physics B (Proceedings Supplements)
Volume20
Issue numberC
DOIs
StatePublished - May 20 1991

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

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    Bitar, K. M., Edwards, R., Heller, U. M., Kennedy, A. D., DeGrand, T. A., Gottlieb, S., Krasnitz, A., Kogut, J. B., Renken, R. L., Liu, C., Rossi, P., Ogilvie, M. C., Sinclair, D. K., Wang, K. C., Sugar, R. L., Teper, M., & Toussaint, D. (1991). Hadronic spectroscopy at a ≈ 0.15 fm. Nuclear Physics B (Proceedings Supplements), 20(C), 362-369. https://doi.org/10.1016/0920-5632(91)90942-8