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Test of Lorentz and CPT violation with short baseline neutrino oscillation excesses
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Test of Lorentz and CPT violation with short baseline neutrino oscillation excesses
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| dc.contributor.author | MiniBooNE Collaboration | |
| dc.contributor.author | Sorel, Michel | |
| dc.date.accessioned | 2014-04-08T07:38:47Z | |
| dc.date.available | 2014-04-08T07:38:47Z | |
| dc.date.issued | 2013 | |
| dc.identifier.citation | MiniBooNE Collaboration Sorel, Michel 2013 Test of Lorentz and CPT violation with short baseline neutrino oscillation excesses Physics Letters B 718 4-5 1303 1308 | |
| dc.identifier.uri | http://hdl.handle.net/10550/34470 | |
| dc.description.abstract | The sidereal time dependence of MiniBooNE nu(e) and (nu) over bar (e) appearance data is analyzed to search for evidence of Lorentz and CPT violation. An unbinned Kolmogorov-Smirnov (K-S) test shows both the nu(e) and (nu) over bar (e) appearance data are compatible with the null sidereal variation hypothesis to more than 5%. Using an unbinned likelihood fit with a Lorentz-violating oscillation model derived from the Standard Model Extension (SME) to describe any excess events over background, we find that the nu(e) appearance data prefer a sidereal time-independent solution, and the (nu) over bar (e) appearance data slightly prefer a sidereal time-dependent solution. Limits of order 10(-20) GeV are placed on combinations of SME coefficients. These limits give the best limits on certain SME coefficients for nu(mu) -> nu(e) and (nu) over bar (mu) -> (nu) over bar (e) oscillations. The fit values and limits of combinations of SME coefficients are provided. | |
| dc.relation.ispartof | Physics Letters B, 2013, vol. 718, num. 4-5, p. 1303-1308 | |
| dc.subject | Violació CP (Física nuclear) | |
| dc.subject | Partícules (Física nuclear) | |
| dc.title | Test of Lorentz and CPT violation with short baseline neutrino oscillation excesses | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-04-08T07:38:47Z | |
| dc.identifier.doi | 10.1016/j.physletb.2012.12.020 | |
| dc.identifier.idgrec | 094313 | |
| dc.rights.accessRights | open access | es_ES |
| dc.identifier.url | 10.1016/j.physletb.2012.12.020 |
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