Journal
NUCLEAR PHYSICS B
Volume 818, Issue 1-2, Pages 17-27Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysb.2009.03.019
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Funding
- US Department of Energy [DEFG03-97ER41014]
- Taiwanese National Science Council [96-2112-M-009-020-MY3]
- CTS-North, Taiwan
- NERSC (Office of Science of the US Department of Energy) [DE-AC02-05CH11231]
- National Science Foundation
- Higher Education Funding Council for England
- Science and Technology Facilities Council [ST/G000581/1] Funding Source: researchfish
- STFC [ST/G000581/1] Funding Source: UKRI
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Dynamical 2 + 1 flavour lattice QCD is used to calculate the splittings between the masses of mesons and baryons containing a single static heavy quark and domain-wall light and strange quarks. Our calculations are based on the dynamical domain-wall gauge field configurations generated by the RBC and UKQCD Collaborations at a spatial Volume of (2.7 fm)(3) and a range of quark masses with a lightest value corresponding to a (partially-quenched) pion mass of 275 MeV. When extrapolated to the physical values of the light quark masses, the results Of Our calculations are generally in good agreement with experimental determinations in the bottom sector. However, the static limit splittings between the Omega(-)(b) baryon and other bottom hadrons tend to slightly underestimate those obtained using the recent D empty set measurement of the Omega(-)(b) (C) 2009 Elsevier B.V. All rights reserved.
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