Results 71 to 80 of about 77,712 (368)

Modular flavour symmetry and orbifolds

Journal of High Energy Physics, 2023
We develop a bottom-up approach to flavour models which combine modular symmetry with orbifold constructions. We first consider a 6d orbifold 𝕋2 /ℤ N , with a single torus defined by one complex coordinate z and a single modulus field τ, playing the role
Francisco J. de Anda, Stephen F. King
doaj   +1 more source

Correlation Functions of Conserved Currents in N = 2 Superconformal Theory [PDF]

, 1999
Using a manifestly supersymmetric formalism, we determine the general structure of two- and three- point functions of the supercurrent and the flavour current of N = 2 superconformal field theories.
Aharony O, Aharony O, Aharony O, Aharony O, Aharony O, Alvarez-Gaume L, Alvarez-Gaume L, Anselmi D, Banks T, Blau M, Blau M, Buchbinder I L, Claus P, de Wit B, Douglas M R, Dragon N, Eden B, Eden B, Eden B, Erdmenger J, Erdmenger J, Erdmenger J, Fayyazuddin A, Galperin A, Galperin A, Galperin A, Galperin A, Galperin A, Giveon A, Howe P S, Howe P S, Maldacena J, Maldacena J, Müller M, Osborn H, Osborn H, Park J-H, Park J-H, Park J-H, Park J-H, Petkou A, Rivelles V O, Sen A, Sergei M Kuzenko, Siegel W, Stefan Theisen, Wess J, West P, West P, West P, Zupnik B M, Zupnik B M   +51 more
core   +3 more sources

Confronting grand unification with lepton flavour violation, dark matter and LHC data [PDF]

Journal of High Energy Physics, 2020
We explore possible signatures for charged lepton flavour violation (LFV), sparticle discovery at the LHC and dark matter (DM) searches in grand unified theories (GUTs) based on SU(5), flipped SU(5) (FSU(5)) and SU(4)c×SU(2)L×SU(2)R (4-2-2).
J. Ellis, M. Gómez, S. Lola, R. R. Austri, Q. Shafi   +4 more
semanticscholar   +1 more source

Yukawa textures from non-invertible symmetries

Journal of High Energy Physics
Phenomenological aspects of non-invertible symmetries, in particular the flavor structure of quarks and leptons, are studied. We start with a ℤ M discrete symmetry and gauge ℤ2 so as to obtain a non-invertible symmetry. We study which Yukawa textures can
Tatsuo Kobayashi, Hajime Otsuka, Morimitsu Tanimoto   +2 more
doaj   +1 more source

A 4 modular flavour model of quark mass hierarchies close to the fixed point τ = i∞

Journal of High Energy Physics, 2023
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.
S. T. Petcov, M. Tanimoto
doaj   +1 more source

Lepton Electric Dipole Moments from Heavy States Yukawa Couplings

, 2003
In supersymmetric theories the radiative corrections due to heavy states could leave their footprints in the flavour structure of the supersymmetry breaking masses.
Abel, Aysto, Babu, Babu, Barbieri, Barbieri, Barbieri, Blazek, Bolton, Borzumati, Branco, Brax, Brooks, Buchmuller, Buchmuller, Carvalho, Carvalho, Casas, Chin, Commins, Davidson, Ellis, Ellis, Ellis, Ellis, Ellis, Feng, Feng, Gabbiani, Gell-Mann, Goto, Hall, Hinchliffe, Hisano, Hudson, Ibrahim, Ibrahim, Ibrahim, Ibrahim, Ibrahim, Ibrahim, Iltan, Isabella Masina, Kalinowski, Lamoreaux, Lavignac, Lavignac, Lebedev, Masiero, Masina, Masina, Masina, Mohapatra, Moroi, Moroi, Pascoli, Pati, Petcov, Pokorski, Raby, Regan, Romanino, Romanino, Romanino, Sato, Semertzidis, Yanagida   +66 more
core   +1 more source

Moving in the Dark: Enlightening the Spatial Population Ecology of European Cave Salamanders

Population Ecology, EarlyView.
We assessed individual interactions, movement ecology and activity patterns of a subterranean population of Speleomantes strinatii, applying spatial capture–recapture modeling to a photographic dataset of 104 individuals. ABSTRACT Space use and movement are fundamental aspects of organisms' ecology, mirroring individual fitness, behavior, and life ...
Giacomo Rosa, Andrea Costa, Sebastiano Salvidio   +2 more
wiley   +1 more source

More about quark Yukawa textures from selection rules without group actions

Journal of High Energy Physics
We study the coupling selection rules associated with non-group symmetries, i.e., ℤ2 gauging of ℤ M symmetries. We clarify which Yukawa textures can be derived by our selection rules for M = 3, 4, and 5, and obtain various textures including the nearest ...
Tatsuo Kobayashi, Yume Nishioka, Hajime Otsuka, Morimitsu Tanimoto   +3 more
doaj   +1 more source

Flavor structures of quarks and leptons from flipped SU(5) GUT with A 4 modular flavor symmetry

Journal of High Energy Physics, 2023
We propose to generate the flavor structures of the Standard Model plus neutrinos from flipped SU(5) GUT with A 4 modular flavor symmetry. Possible way to assign different moduli values for quarks and leptons in modular GUT scheme is discussed.
Xiao Kang Du, Fei Wang
doaj   +1 more source

SUSY Seesaw and FCNC

, 2004
After a quarter of century of intense search for new physics beyond the Standard Model (SM), two ideas stand out to naturally cope with (i) small neutrino masses and (ii) a light higgs boson : Seesaw and SUSY.
Abdullin, Abe, Abe, Akama, Altarelli, Antonio Masiero, Antusch, Antusch, Apollonio, Aubert, Babu, Babu, Babu, Baek, Baek, Baer, Baer, Baer, Baer, Barbieri, Barbieri, Barbieri, Barr, Bi, Blazek, Blazek, Borzumati, Borzumati, Borzumati, Borzumati, Brignole, Brignole, Brooks, Buchmuller, Buchmuller, Campbell, Cao, Carena, Carvalho, Casas, Casas, Chakraverty, Chang, Chankowski, Chankowski, Ciuchini, Ciuchini, Ciuchini, Davidson, Davidson, Dedes, Degrassi, Deppisch, Deppisch, Dimopoulos, Dutta, Dutta, Ellis, Ellis, Ellis, Ellis, Falcone, Feng, Fukuyama, Gabbiani, Gell-Mann, Georgi, Glashow, Gonzalez Felipe, Goodman, Haba, Hall, Hamaguchi, Harnik, Hisano, Hisano, Hisano, Hisano, Hisano, Hisano, Hisano, Hisano, Hisano, Huang, Ibarra, Ibe, Illana, Illana, Illana, Kageyama, Kageyama, Kane, Khalil, King, King, King, Kitano, Kitano, Langacker, Lavignac, Masiero, Masiero, Masiero, Masiero, Masina, Masina, Mohapatra, Mohapatra, Moroi, Moroi, O. Vives, Pascoli, Pascoli, Petcov, Romanino, Ross, Rossi, Sato, Sato, Smirnov, Spergel, Sudhir K. Vempati, Tobe   +122 more
core   +1 more source