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Hybrid meson decay from the lattice

McNeile, C.; Michael, C. and Pennanen, P (2002) Hybrid meson decay from the lattice. Physical Review D, 65 . Article Number: 094505. ISSN 1550-2368 (online); 1550-7998 (print)

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Official URL: http://link.aps.org/abstract/PRD/v65/e094505

Abstract

We discuss the allowed decays of a hybrid meson in the heavy quark limit. We deduce that an important decay will be into a heavy quark non-hybrid state and a light quark meson, in other words, the de-excitation of an excited gluonic string by emission of a light quark-antiquark pair. We discuss the study of hadronic decays from the lattice in the heavy quark limit and apply this approach to explore the transitions from a spin-exotic hybrid to $\chi_b \eta$ and $\chi_b S$ where $S$ is a scalar meson. We obtain a signal for the transition emitting a scalar meson and we discuss the phenomenological implications.

Item Type:Article
Additional Information:LTH 531. arXiv Number: arXiv:hep-lat/0201006v1. Additional citation information: PHYSICAL REVIEW D, VOLUME 65, 094505; 0556-2821/2002/65(9)/094505(9). 9 pages. Published 18 April 2002. Issue: May 2002.
Uncontrolled Keywords:QUANTUM-FIELD THEORIES; VOLUME DEPENDENCE; ENERGY-SPECTRUM; FINITE-VOLUME; GAUGE-THEORY; STATES; MATRIX
Subjects:Q Science > QC Physics
Departments, Research Centres and Related Units:Academic Faculties, Institutes and Research Centres > Faculty of Science > Department of Mathematical Sciences
DOI:10.1103/PhysRevD.65.094505
Publisher's Statement:©2002 The American Physical Society
Related URLs:
Refereed:Yes
Status:Published
ID Code:554
Deposited On:31 Oct 2008 13:45
Last Modified:20 May 2011 12:13

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