![Page 1: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/1.jpg)
Grand Unified Theories, Nucleon Decay and
Flavor Physics
K.S. Babu
Oklahoma State University
GIAN Course on Electrowak Symmetry Breaking, Flavor Physics and BSM
IIT Guwahati, Guwahati, Assam, India
December 18 -- 22, 2017
![Page 2: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/2.jpg)
2
Unification of Forces and Matter
![Page 3: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/3.jpg)
3
Evolution of gauge couplings with energy
![Page 4: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/4.jpg)
4
Gauge coupling unification without supersymmetry
From: KSB, Bajc, Saad (2017)
![Page 5: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/5.jpg)
5
Gauge coupling unification: Non-SUSY SO(10)
![Page 6: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/6.jpg)
6
More Hints in favor of Unification
![Page 7: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/7.jpg)
7
Unifying Forces and Matter
Marshak, Mohapatra (1980)
![Page 8: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/8.jpg)
8
Unification in SU(5)
![Page 9: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/9.jpg)
9
Symmetry Breaking in SU(5)
![Page 10: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/10.jpg)
10
Fermion Masses in SU(5)
![Page 11: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/11.jpg)
11
B-Tau Mass Unification in SU(5)
![Page 12: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/12.jpg)
Standard Model
SO(10)
12
Matter Fields in SO(10)
Georgi (1975);
Fritzsch, Minkowski (1975)
![Page 13: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/13.jpg)
Pati-Salam symmetry
Rizzo, Senjanovic (1980)
Mohapatra, Parida (1993)
Deshpande, Keith, Pal (1995)
Lee, Mohapatra, Parida, Rani (1995)
Bertolini, Luzio, Malinsky (2012)
Altarelli, Meloni (2013)
Babu, Khan (2015) 13
SO(10) Unification (without SUSY)
![Page 14: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/14.jpg)
KSB, S. Khan (2015)
Gauge coupling evolution in non-SUSY SO(10)
14
![Page 15: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/15.jpg)
15
Nucleon Decay in non-SUSY SO(10)
Aoki, Izubuchi, Shintani, Soni (2017)
![Page 16: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/16.jpg)
Proton lifetime versus intermediate scale
16KSB, S. Khan (2015)
![Page 17: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/17.jpg)
17
Proton decay branching ratios
![Page 18: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/18.jpg)
Model has only 11 real parameters plus 7 phases to fit 18 observables
Babu, Mohapatra (1993)
Bajc, Melfo, Senjanovic, Vissani (2002, 2004)
Fukuyama, Okada (2002)
Fukuyama, Ilakovac, Kikuchi, Meljanac, Okada (2004)
Aulakh et al (2004)
Bertolini, Frigerio, Malinsky (2004)
Babu, Macesanu (2005)
Bertolini, Malinsky, Schwetz (2006)
Dutta, Mimura, Mohapatra (2007)
Bajc, Dorsner, Nemevsek (2009)
Joshipura, Patel (20121
Dueck, Rodejohann (2013)
Minimal SO(10) Model
18
![Page 19: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/19.jpg)
Specific Example: Type I Seesaw
19
![Page 20: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/20.jpg)
Theta(13) in Minimal SO(10)
20
![Page 21: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/21.jpg)
21
Alternative Minimal Yukawa sector for SO(10)
KSB, Bajc, Saad (2017)
![Page 22: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/22.jpg)
22
Best fit values for fermion masses and mixings
22
![Page 23: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/23.jpg)
23
Proton Decay Branching Ratios
KSB, Bajc, Saad (2017)
![Page 24: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/24.jpg)
Hisano, Murayama, Yanagida (1993)
Nath, Perez, Phys. Rept. (2007)
24
Nucleon Decay in SUSY GUTs
![Page 25: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/25.jpg)
Sakai, Yanagida (1982)
Weinberg (1982)
Murayama, Pierce (2002) 25
Supersymmetric nucleon decay mode
![Page 26: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/26.jpg)
26
Proton decay tension in minimal SUSY SU(5)
![Page 27: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/27.jpg)
Babu, Bajc, Tavartkiladze (2012) 27
Proton Lifetime in Realistic SUSY SU(5)
![Page 28: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/28.jpg)
28
Proton Lifetime in Realistic SUSY SU(5)
Babu, Bajc, Tavartkiladze (2012)
![Page 29: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/29.jpg)
(Dimopoulos-Wilczek mechanism)Dimopoulos, Wilczek (1981)
Babu, Barr (1993)
Barr, Raby (2000)
Babu, Pati, Tavartkiladze (2010)
29
SUSY SO(10) with Natural Doublet-Triplet Splitting
![Page 30: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/30.jpg)
30
Correlation between proton decay modes
![Page 31: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/31.jpg)
31
Proton Lifetime Predictions
![Page 32: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/32.jpg)
32
Proton Lifetime Expectations
![Page 33: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/33.jpg)
Kuzmin (1970), Glashow (1979), Marshak, Mohapatra (1980)
Neutron-antineutron Oscillations
33
![Page 34: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/34.jpg)
Neutron-antineutron Oscillations Phenomenology
34D.G. Phillips II et. al, Phys. Rept. (2016)
![Page 35: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/35.jpg)
35
Friedman, Gal (2008)
![Page 36: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/36.jpg)
K.S. Babu, R.N. Mohpatra (2012)
Baryogenesis and n-nbar oscillations in SO(10)
36
Kadastik, Kannike, Raidal (2009);
Mambrini, Nagata, Olive, Quivillon, Zheng (2015)
![Page 37: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/37.jpg)
TeV-scale Color Sextet scalar and unification
37K.S. Babu, R.N. Mohpatra (2012)
![Page 38: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/38.jpg)
Baryongenesis via Color sextet decay
38
![Page 39: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/39.jpg)
Baryongenesis via Color sextet decay (cont.)
39
![Page 40: Oklahoma State University...Best fit values for fermion masses and mixings 22 23 Proton Decay Branching Ratios KSB, Bajc, Saad (2017) Hisano, Murayama, Yanagida (1993) Nath, Perez,](https://reader033.vdocuments.mx/reader033/viewer/2022060917/60aa36f5d3b7d73a242e8ed4/html5/thumbnails/40.jpg)
Baryogenesis and n-nbar oscillations
40