| dc.contributor.author | Counts, Ian Thomas Hunt | |
| dc.contributor.author | Ilten, Philip J | |
| dc.contributor.author | Williams, Michael | |
| dc.date.accessioned | 2015-02-19T19:27:50Z | |
| dc.date.available | 2015-02-19T19:27:50Z | |
| dc.date.issued | 2015-01 | |
| dc.date.submitted | 2014-12 | |
| dc.identifier.issn | 03702693 | |
| dc.identifier.uri | http://hdl.handle.net/1721.1/94652 | |
| dc.description.abstract | The difference in total widths between the B[superscript +][subscript c] and B[superscript +] mesons is measured using a data sample corresponding to an integrated luminosity of 3.0 fb[superscript −1] collected by the LHCb experiment in 7 and 8 TeV centre-of-mass energy proton–proton collisions at the LHC. Through the study of the time evolution of B[superscript +][subscript c] → [J over ψπ[superscript +]] and B[superscript +] → [J over ψK[superscript +]] decays, the width difference is measured to be
ΔΓ ≡ Γ[subscript B[superscript +][subscript c]] - Γ[subscript B[superscript +]] = 4.46 ± 0.14 ± 0.07 mm[superscript −1] c,
where the first uncertainty is statistical and the second systematic. The known lifetime of the B[superscript +] meson is used to convert this to a precise measurement of the B[superscript +][subscript c] lifetime,
τ[subscript B[superscript +][subscript c]] = 513.4 ± 11.0 ± 5.7 fs,
where the first uncertainty is statistical and the second is systematic. | en_US |
| dc.description.sponsorship | National Science Foundation (U.S.) | en_US |
| dc.language.iso | en_US | |
| dc.publisher | Elsevier | en_US |
| dc.relation.isversionof | http://dx.doi.org/10.1016/j.physletb.2015.01.010 | en_US |
| dc.rights | Creative Commons Attribution | en_US |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | en_US |
| dc.source | Elsevier | en_US |
| dc.title | Measurement of the lifetime of the B[superscript +][subscript c] meson using the B[superscript +][subscript c] → [J over ψπ[superscript +]] decay mode | en_US |
| dc.type | Article | en_US |
| dc.identifier.citation | “Measurement of the Lifetime of the B[superscript +][subscript c] meson using the B[superscript +][subscript c] → [J over ψπ[superscript +]] Decay Mode.” Physics Letters B 742 (March 2015): 29–37. | en_US |
| dc.contributor.department | Massachusetts Institute of Technology. Department of Physics | en_US |
| dc.contributor.department | Massachusetts Institute of Technology. Laboratory for Nuclear Science | en_US |
| dc.contributor.mitauthor | Counts, Ian Thomas Hunt | en_US |
| dc.contributor.mitauthor | Ilten, Philip James | en_US |
| dc.contributor.mitauthor | Williams, M. | en_US |
| dc.relation.journal | Physics Letters B | en_US |
| dc.eprint.version | Final published version | en_US |
| dc.type.uri | http://purl.org/eprint/type/JournalArticle | en_US |
| eprint.status | http://purl.org/eprint/status/PeerReviewed | en_US |
| dc.identifier.orcid | https://orcid.org/0000-0001-8285-3346 | |
| dc.identifier.orcid | https://orcid.org/0000-0002-4670-1334 | |
| dc.identifier.orcid | https://orcid.org/0000-0001-5534-1732 | |
| mit.license | PUBLISHER_CC | en_US |
| mit.metadata.status | Complete | |
