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Type: Journal article
Title: Spin-3/2 baryons in lattice QCD
Author: Zanotti, J.
Choe, S.
Leinweber, D.
Melnitchouk, W.
Williams, A.
Zhang, J.
Citation: Nuclear Physics B-Proceedings Supplements, 2003; 119:299-301
Publisher: Elsevier Science BV
Issue Date: 2003
ISSN: 0920-5632
Statement of
J.M. Zanotti, S. Choe, D.B. Leinweber, W. Melnitchouk, A.G. Williams, and J.B. Zhang
Abstract: We present first results for masses of spin-3/2 baryons in lattice QCD, using a novel fat-link clover fermion action in which only the irrelevant operators are constructed using fat links. In the isospin-1/2 sector, we observe, after appropriate spin and parity projection, a strong signal for the J^P=3/2^- state, and find good agreement between the 1/2^+ mass and earlier nucleon mass simulations with a spin-1/2 interpolating field. For the isospin-3/2 Delta states, clear mass splittings are observed between the various 1/2^+/- and 3/2^+/- channels, with the calculated level orderings in good agreement with those observed empirically.
Description: Copyright © 2003. Elsevier. Printed in U.S.A. Submitted to Cornell University’s online archive in 2003 by James Zanotti. Post-print sourced from
RMID: 0020030175
DOI: 10.1016/S0920-5632(03)01544-5
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