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Search for the rare decays B -> pi l(+)l(-) and B-0 -> eta l(+)l(-)
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Search for the rare decays B -> pi l(+)l(-) and B-0 -> eta l(+)l(-)
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| dc.contributor.author | BABAR Collaboration | |
| dc.contributor.author | Martínez Vidal, Fernando | |
| dc.contributor.author | Oyanguren Campos, Arantza | |
| dc.contributor.author | Villanueva Pérez, Pablo | |
| dc.date.accessioned | 2014-04-01T11:49:21Z | |
| dc.date.available | 2014-04-01T11:49:21Z | |
| dc.date.issued | 2013 | |
| dc.identifier.citation | BABAR Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Villanueva Pérez, Pablo 2013 Search for the rare decays B -> pi l(+)l(-) and B-0 -> eta l(+)l(-) Physical Review D 88 3 032012-1 032012-16 | |
| dc.identifier.uri | http://hdl.handle.net/10550/33947 | |
| dc.description.abstract | We present the results of a search for the rare flavor-changing neutral-current decays B -> pi l(+)l(-) (pi = pi(+), pi(0) and l = e, mu) and B-0 -> eta l(+)l(-) using a sample of e(+)e(-) -> Upsilon(4S) -> B (B) over bar decays corresponding to 428 fb(-1) of integrated luminosity collected by the BABAR detector. No significant signal is observed, and we set an upper limit on the isospin and lepton-flavor averaged branching fraction of B(B -> pi l(+)l(-)) < 5.9 x 10(-8) and a lepton-flavor averaged upper limit of B(B-0 -> eta l(+)l(-)) < 6.4 x 10(-8), both at the 90% confidence level. We also report 90% confidence level branching fraction upper limits for the individual modes B+ -> pi(+)e(+)e(-), B-0 -> pi(0)e(+)e(-), B-0 -> pi(+)mu(+)mu(-), B-0 -> pi(+)mu(+)mu(-), B-0 -> pi(0)mu(+)mu(-), B-0 -> eta e(+)e(-), and B-0 ->eta mu(+)mu(-). | |
| dc.relation.ispartof | Physical Review D, 2013, vol. 88, num. 3, p. 032012-1-032012-16 | |
| dc.subject | Física nuclear | |
| dc.title | Search for the rare decays B -> pi l(+)l(-) and B-0 -> eta l(+)l(-) | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-04-01T11:49:21Z | |
| dc.identifier.doi | 10.1103/PhysRevD.88.032012 | |
| dc.identifier.idgrec | 091111 | |
| dc.rights.accessRights | open access | es_ES |
| dc.identifier.url | 10.1103/PhysRevD.88.032012 |
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