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Prospects for the measurement of the unitarity triangle angle gamma from B-0 -> DK+pi(-) decays
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Gershon, T. J. and Williams, M. (Mike). (2009) Prospects for the measurement of the unitarity triangle angle gamma from B-0 -> DK+pi(-) decays. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.80 (No.9). article no. 092002. ISSN 1550-7998
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Official URL: http://dx.doi.org/10.1103/PhysRevD.80.092002
Abstract
The potential for a precise measurement of the unitarity triangle angle gamma in future experiments from the decay B-0 -> DK*0 is well known. It has recently been suggested that the sensitivity can be significantly enhanced by analyzing the B-0 -> DK+pi(-) Dalitz plot to extract amplitudes relative to those of the flavor-specific decay B-0 -> D2*-K+. An extension to this method which includes the case where the neutral D meson is reconstructed in suppressed final states is presented. The sensitivity to gamma is estimated using this method and compared to that obtained using the B-0 -> DK*0 decay alone. Experimental effects, such as background contamination, are also considered. This approach appears to be a highly attractive addition to the family of methods that can be used to determine gamma.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | CP violation (Nuclear physics), Quarks, Mesons -- Decay |
| Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) |
| Publisher: | American Physical Society |
| ISSN: | 1550-7998 |
| Date: | November 2009 |
| Volume: | Vol.80 |
| Number: | No.9 |
| Number of Pages: | 12 |
| Page Range: | article no. 092002 |
| Identification Number: | 10.1103/PhysRevD.80.092002 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | Science and Technology Facilities Council (Great Britain) (STFC) |
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| URI: | http://wrap.warwick.ac.uk/id/eprint/5989 |
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