D-0-(D)over-bar(0) mixing in the standard model and beyond from N-f=2 twisted mass QCD
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D-0-(D)over-bar(0) mixing in the standard model and beyond from N-f=2 twisted mass QCD

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D-0-(D)over-bar(0) mixing in the standard model and beyond from N-f=2 twisted mass QCD

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dc.contributor.author Carrasco Vela, Nuria
dc.contributor.author Ciuchini, M.
dc.contributor.author Dimopoulos, P.
dc.contributor.author Frezzotti, R.
dc.contributor.author Giménez Gómez, Vicente
dc.contributor.author Lubicz, V.
dc.contributor.author Rossi, G.C.
dc.contributor.author Sanfilippo, F.
dc.contributor.author Silvestrini, L.
dc.contributor.author Simula, S.
dc.contributor.author Tarantino, C.
dc.date.accessioned 2014-09-25T11:10:06Z
dc.date.available 2014-09-25T11:10:06Z
dc.date.issued 2014
dc.identifier.uri http://hdl.handle.net/10550/38967
dc.description.abstract We present the first unquenched lattice QCD results for the bag parameters controlling the short distance contribution to D meson oscillations in the standard model and beyond. We have used the gauge configurations produced by the European Twisted Mass collaboration with N-f = 2 dynamical quarks, at four lattice spacings and light meson masses in the range 280-500 MeV. Renormalization is carried out nonperturbatively with the regularization-independent momentum subtraction method. The bag-parameter results have been used to constrain new physics effects in D-0 ¿ (D) over bar (0) mixing, to put a lower bound to the generic new physics scale and to constrain off-diagonal squark mass terms for TeV-scale supersymmetry.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2014, vol. 90, num. 1, p. 014502-1-014502-9
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Carrasco Vela, Nuria Ciuchini, M. Dimopoulos, P. Frezzotti, R. Giménez Gómez, Vicente Lubicz, V. Rossi, G.C. Sanfilippo, F. Silvestrini, L. Simula, S. Tarantino, C. 2014 D-0-(D)over-bar(0) mixing in the standard model and beyond from N-f=2 twisted mass QCD Physical Review D 90 1 014502-1 014502-9
dc.subject Física
dc.title D-0-(D)over-bar(0) mixing in the standard model and beyond from N-f=2 twisted mass QCD
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-09-25T11:10:07Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.90.014502
dc.identifier.idgrec 099206

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