Zobrazeno 1 - 10
of 429
pro vyhledávání: '"Petcov, S T"'
We present the first combined analysis of quark and lepton observables in flavour models based on modular invariance. The analysis is performed within a specific model with modular $2O$ symmetry. Unlike previous studies, which analyzed observables in
Externí odkaz:
http://arxiv.org/abs/2409.15823
In the formalism of the non-supersymmetric modular invariance approach to the flavour problem the elements of the Yukawa coupling and fermion mass matrices are expressed in terms of polyharmonic Maa{\ss} modular forms of level $N$ in addition to the
Externí odkaz:
http://arxiv.org/abs/2408.15988
Autor:
Petcov, S. T.
We investigate the implications of the constraints following from the precise knowledge of the total Earth mass, $M_\oplus$, and moment of inertia, $I_\oplus$, and from the requirement that Earth be in hydrostatic equilibrium (EHE), in the neutrino t
Externí odkaz:
http://arxiv.org/abs/2406.13727
Autor:
Penedo, J. T., Petcov, S. T.
Recently, it was shown that modular symmetry may solve the strong CP problem without axions, by producing a vanishing QCD angle while generating a large quark CP violation phase. We extend this framework to finite modular groups, systematically ident
Externí odkaz:
http://arxiv.org/abs/2404.08032
Autor:
Petcov, S. T., Tanimoto, M.
We present simple effective theory of quark masses, mixing and CP violation with level $N=3$ ($A_4$) modular symmetry, which provides solution to the strong CP problem without the need for an axion. The vanishing of the strong CP-violating phase $\ba
Externí odkaz:
http://arxiv.org/abs/2404.00858
Autor:
Petcov, S. T.
The problem of normalisation of the modular forms in modular invariant lepton and quark flavour models is discussed. Modular invariant normalisations of the modular forms are proposed.
Comment: 21 pages, LATEX, equations (3.28) and (3.29) and ty
Comment: 21 pages, LATEX, equations (3.28) and (3.29) and ty
Externí odkaz:
http://arxiv.org/abs/2311.04185
We analyse the possibility of describing quark masses, mixing and CP violation in $S'_4$ modular flavour models without flavons. We focus on the case where the closeness of the modulus to the point of residual $\mathbb{Z}^{ST}_3$ symmetry (the cusp)
Externí odkaz:
http://arxiv.org/abs/2307.14410
Autor:
Petcov, S. T., Tanimoto, M.
We study the possibility to generate the quark mass hierarchies as well as the CKM quark mixing and CP violation without fine-tuning in a quark flavour model with modular $A_4$ symmetry. The quark mass hierarchies are considered in the vicinity of th
Externí odkaz:
http://arxiv.org/abs/2306.05730
Autor:
Antel, C., Battaglieri, M., Beacham, J., Boehm, C., Buchmüller, O., Calore, F., Carenza, P., Chauhan, B., Cladè, P., Coloma, P., Crivelli, P., Dandoy, V., Darmé, L., Dey, B., Deppisch, F. F., De Roeck, A., Drewes, M., Echenard, B., Flambaum, V. V., Foldenauer, P., Gatti, C., Giannotti, M., Golutvin, A., Gonzalez-Garcia, M. C., Gori, S., Goudzovski, E., Granelli, A., Grote, H., Guellati-Khelifa, S., Hajer, J., Harris, P., Hearty, C., Heuchel, D., Hostert, M., Junius, S., Kahlhoefer, F., Klaric, J., Kling, F., Klose, P., Knolle, J., Kopp, J., Kwon, O., Lantwin, O., Lanfranchi, G., Li, L., Lindner, A., Lopez-Pavon, J., Marocco, J., Martin, J. W., Middleton, S., Milstead, S., Oceano, I., O'Hare, C. A. J., Paoloni, A., Pascoli, S., Petcov, S. T., Pospelov, M., Pöttgen, R., Raggi, M., Ripellino, G., Samsonov, I. B., Sandner, S., Söldner-Rembold, S., Shelton, J., Song, N., Sun, C., Stadnik, Y. V., Tastet, J. L., Toro, N., Tran, N., Trevisani, N., Ulmer, S., Urrea, S., Velghe, B., Wallisch, B., Wong, Y. Y. Y., Zorbilmez, C., Zurek, K.
Particle physics today faces the challenge of explaining the mystery of dark matter, the origin of matter over anti-matter in the Universe, the origin of the neutrino masses, the apparent fine-tuning of the electro-weak scale, and many other aspects
Externí odkaz:
http://arxiv.org/abs/2305.01715
Publikováno v:
Phys. Rev. D 107, 075037 2023-04-26
We discuss a left-right (L-R) symmetric model with the double seesaw mechanism at the TeV scale generating Majorana masses for the active left-handed (LH) flavour neutrinos $\nu_{\alpha L}$ and the heavy right-handed (RH) neutrinos $N_{\beta R}$, $\a
Externí odkaz:
http://arxiv.org/abs/2302.14538