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First observation of the decay B s 0→K *0K *0
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LHCb Collaboration (Including:
). (2012) First observation of the decay B s 0→K *0K *0. Physics Letters B, Vol.709 (No.1-2). pp. 50-58. ISSN 0370-2693 Full text not available from this repository.
Official URL: http://dx.doi.org/10.1016/j.physletb.2012.02.001
Abstract
The first observation of the decay is reported using 35 pb−1 of data collected by LHCb in proton–proton collisions at a centre-of-mass energy of 7 TeV. A total of 49.8±7.5events are observed within ±50 MeV/c2 of the mass and 746 MeV/c2<mKπ<1046 MeV/c2, mostly coming from a resonant signal. The branching fraction and the CP-averaged K⁎0 longitudinal polarization fraction are measured to be and fL=0.31±0.12(stat.)±0.04(syst.).
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physics Letters B |
| Publisher: | Elsevier Science BV |
| ISSN: | 0370-2693 |
| Date: | 13 March 2012 |
| Volume: | Vol.709 |
| Number: | No.1-2 |
| Page Range: | pp. 50-58 |
| Identification Number: | 10.1016/j.physletb.2012.02.001 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/47042 |
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