FLAVOR VIOLATION IN A MINIMAL SO(10) x A4 SUSY GUT

被引：2

作者：

Albaid, Abdelhamid ^{[1
]}

机构：

[1] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2012年 / 27卷 / 01期

关键词：

Supersymmetry; flavor violation; grand unification; MSSM; mass insertion parameter; mixing; A(4) flavor symmetry; superpotential; fermion masses; exotic fields; universality boundary conditions; soft masses; LEPTON-FLAVOR; DECAYS; CP; SUPERGRAVITY; UNIFICATION; MODELS; MASSES; NUMBER; MU;

D O I：

10.1142/S0217751X12500054

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Flavor violating processes in the quark and lepton sectors are investigated within a realistic supersymmetric SO(10) x A(4) grand unification model. By employing exotic heavy fermion fields, this model successfully describes various features of the fermion masses and mixings including large neutrino mixings accompanied by small quark mixings. In this model the flavor violation is induced at GUT scale, at which A4 flavor symmetry is broken, as a consequence of the large mixings of the light fermion fields with these exotic heavy fields. The stringent experimental constraint from mu --> e gamma decay rate necessitates a high degree of degeneracy of the supersymmetry breaking soft scalar masses of the exotic heavy fields and supersymmetric scalar partners of the light fermion fields. The choice of slepton masses of order 1 TeV is found to be consistent with the constraints from branching ratio of mu --> e gamma and with all other flavor changing neutral current processes being sufficiently suppressed.

引用

页数：24

共 48 条

[1] Calibration and monitoring of the MEG experiment by a proton beam from a Cockcroft-Walton accelerator [J].

Adam, J. ;

Bai, X. ;

Baldini, A. ;

Baracchini, E. ;

Bemporad, C. ;

Boca, G. ;

Cattaneo, P. W. ;

Cavoto, G. ;

Cei, F. ;

Cerri, C. ;

Corbo, M. ;

Curalli, N. ;

de Bari, A. ;

De Gerone, M. ;

Doke, T. ;

Dussoni, S. ;

Egger, J. ;

Fratini, K. ;

Fujii, Y. ;

Galli, L. ;

Gallucci, G. ;

Gatti, F. ;

Golden, B. ;

Grassi, M. ;

Grigoriev, D. N. ;

Haruyama, T. ;

Hildebrandt, M. ;

Ignatov, F. ;

Iwamoto, T. ;

Kettle, P. -R. ;

Khazin, B. I. ;

Kiselev, O. ;

Korenchenko, A. ;

Kravchuk, N. ;

Maki, A. ;

Mihara, S. ;

Molzon, W. ;

Mori, T. ;

Mzavia, D. ;

Natori, H. ;

Nicolo, D. ;

Nishiguchi, H. ;

Nishimura, Y. ;

Ootani, W. ;

Panareo, M. ;

Papa, A. ;

Pazzi, R. ;

Piredda, G. ;

Popov, A. ;

Renga, F. .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2011, 641 (01) :19-32

[2] Fermion masses and mixings in a minimal SO(10)xA4 supersymmetric grand unified theory [J].

Albaid, Abdelhamid .

PHYSICAL REVIEW D, 2009, 80 (09)

[3] MINIMAL LOW-ENERGY SUPERGRAVITY [J].

ALVAREZGAUME, L ;

POLCHINSKI, J ;

WISE, MB .

NUCLEAR PHYSICS B, 1983, 221 (02) :495-523

[4] Review of particle physics [J].

Amsler, C. ;

Doser, M. ;

Antonelli, M. ;

Asner, D. M. ;

Babu, K. S. ;

Baer, H. ;

Band, H. R. ;

Barnett, R. M. ;

Bergren, E. ;

Beringer, J. ;

Bernardi, G. ;

Bertl, W. ;

Bichsel, H. ;

Biebel, O. ;

Bloch, P. ;

Blucher, E. ;

Blusk, S. ;

Cahn, R. N. ;

Carena, M. ;

Caso, C. ;

Cecccci, A. ;

Chakraborty, D. ;

Chen, M. -C. ;

Chivukula, R. S. ;

Cowan, G. ;

Dahl, O. ;

D'Ambrosio, G. ;

Damour, T. ;

de Gouvea, A. ;

DeGrand, T. ;

Dobrescu, B. ;

Drees, M. ;

Edwards, D. A. ;

Eidelman, S. ;

Elvira, V. D. ;

Erler, J. ;

Ezhela, V. V. ;

Feng, J. L. ;

Fetscher, W. ;

Fields, B. D. ;

Foster, B. ;

Gaisser, T. K. ;

Garren, L. ;

Gerber, H. -J. ;

Gerbier, G. ;

Gherghetta, T. ;

Giudice, G. F. ;

Goodman, M. ;

Grab, C. ;

Gritsan, A. V. .

PHYSICS LETTERS B, 2008, 667 (1-5) :1-+

[5] Flavor violation in supersymmetric Q6 model [J].

Babu, K. S. ;

Meng, Yanzhi .

PHYSICAL REVIEW D, 2009, 80 (07)

[6] Lepton flavor violation within a realistic SO(10)/G(224) framework [J].

Babu, KS ;

Pati, JC ;

Rastogi, P .

PHYSICS LETTERS B, 2005, 621 (1-2) :160-170

[7] Lepton flavor violation and the origin of the seesaw mechanism [J].

Babu, KS ;

Dutta, B ;

Mohapatra, RN .

PHYSICAL REVIEW D, 2003, 67 (07)

[8] Realistic quark and lepton masses through SO(10) symmetry [J].

Babu, KS ;

Barr, SM .

PHYSICAL REVIEW D, 1997, 56 (05) :2614-2631

[9] Up-down unification, neutrino masses, and rare lepton decays [J].

Babu, KS ;

Dutta, B ;

Mohapatra, RN .

PHYSICS LETTERS B, 1999, 458 (01) :93-101

[10] Muon anomalous magnetic moment, lepton flavor violation, and flavor changing neutral current processes in supersymmetric grand unified theory with right-handed neutrinos [J].

Baek, S ;

Goto, T ;

Okada, Y ;

Okumura, K .

PHYSICAL REVIEW D, 2001, 64 (09)

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