dc.contributor | Tokyo Metropolitan Univ | |
dc.contributor | Universidade Estadual Paulista (Unesp) | |
dc.contributor | Fermilab Natl Accelerator Lab | |
dc.date.accessioned | 2014-05-20T14:06:13Z | |
dc.date.accessioned | 2022-10-05T14:59:13Z | |
dc.date.available | 2014-05-20T14:06:13Z | |
dc.date.available | 2022-10-05T14:59:13Z | |
dc.date.created | 2014-05-20T14:06:13Z | |
dc.date.issued | 2002-11-01 | |
dc.identifier | Physical Review D. College Pk: American Physical Soc, v. 66, n. 9, 15 p., 2002. | |
dc.identifier | 0556-2821 | |
dc.identifier | http://hdl.handle.net/11449/23246 | |
dc.identifier | 10.1103/PhysRevD.66.093012 | |
dc.identifier | WOS:000179679400017 | |
dc.identifier | WOS000179679400017.pdf | |
dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/3896679 | |
dc.description.abstract | The measurement of the mixing angle theta(13), sign of Deltam(13)(2), and the CP or T violating phase delta is fraught with ambiguities in neutrino oscillation. In this paper we give an analytic treatment of the paramater degeneracies associated with measuring the nu(mu)-->nu(e) probability and its CP and/or T conjugates. For CP violation, we give explicit solutions to allow us to obtain the regions where there exist twofold and fourfold degeneracies. We calculate the fractional differences, (Deltatheta/(θ) over bar), between the allowed solutions which may be used to compare with the expected sensitivities of the experiments. For T violation we show that there is always a complete degeneracy between solutions with positive and negative Deltam(13)(2) which arises due to a symmetry and cannot be removed by observing one neutrino oscillation probability and its T conjugate. Thus there is always a fourfold parameter degeneracy apart from exceptional points. Explicit solutions are also given and the fractional differences are computed. The biprobability CP/T trajectory diagrams are extensively used to illuminate the nature of the degeneracies. | |
dc.language | eng | |
dc.publisher | American Physical Soc | |
dc.relation | Physical Review D | |
dc.rights | Acesso restrito | |
dc.source | Web of Science | |
dc.title | Parameter degeneracies in neutrino oscillation measurement of leptonic CP and T violation | |
dc.type | Artigo | |