SO(10) Yukawa unification :

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Presentation transcript:

SO(10) Yukawa unification : gluinos at the LHC Stuart Raby PRISMA 2014 Gutenberg U. July 23, 2014

My background ’76, Ph.D. Tel Aviv University – advisor - Larry Horwitz ’76, Postdoc - Cornell University w/ John Kogut ’78, Assistant professor - Stanford University w/ Lenny Susskind ’81, LANL – Staff/ Group leader T-8 ’89, Ohio State University Worked on : Extended Technicolor Chiral gauge theories - “Tumbling Gauge Theories” “ Light Composite Fermions”

Worked on - continued: “Supercolor” Invisible axion in SUSY SUSY GUTs Proton decay- Dim. 5 ops. SUSY Flavor Problem Neutrino DM w/ magnetic moment ‘magnino’ Cosmological Polonyi problem Heterotic String - Mini-Landscape symmetry Global F-theory model Theories of Fermion Masses

Predictability in SUSY theories SO(10) Yukawa unification Outline Predictability in SUSY theories SO(10) Yukawa unification w/ Universal gaugino masses Third family analysis - predictions LHC bounds Three family analysis - more predictions Conclusions

Minimal SUSY spectrum

SM - Quark & lepton masses Eg. Suggests - Family symmetries to Predictability SM - Quark & lepton masses Eg. Suggests - Family symmetries to reduce no. arbitrary paras. Eg. SU(2) x U(1) 3rd family & Higgs special MSSM - R parity conservation reduce no. arbitrary couplings

Predictability & SUSY Too many arbitrary parameters ! FCNCs !!

SO(10) Grand Unification Georgi Fritzsch & Minkowski spinor repsn. of SO( 10 ) tensor product of 5 spin ½ w/even no. + signs Georgi & Glashow Title of talk

SUSY GUT + family symmetry

Yukawa Unification & Soft SUSY breaking Blazek, Dermisek & Raby PRL 88, 111804 (2002) PRD 65, 115004 (2002) Baer & Ferrandis, PRL 87, 211803 (2001) Auto, Baer, Balazs, Belyaev, Ferrandis & Tata JHEP 0306:023 (2003) Tobe & Wells NPB 663, 123 (2003) Baer, Kraml, Sekmen & Summy JHEP 0909 :005 (2009) Badziak, Olechowski & Pokorski JHEP 1108 :147 (2011) Gogoladze, Shafi & Saleh Un JHEP 1208 :028 (2012) Anandakrishnan, Raby & Wingerter arXiv:1212.0542 Anandakrishnan & Raby arXiv:1303.5125 Anandakrishnan, Bryant & Raby arXiv:1404.5628

Note, CANNOT predict top mass due to large SUSY threshold corrections to bottom and tau mass Hall, Rattazzi & Sarid Carena, Olechowski, Pokorski & Wagner So instead use Yukawa unification to predict soft SUSY breaking masses !!

Bottom mass corrections Needed to fit data

arXiv:1212.0542 Global c2 analysis Anandakrishnan, Raby & Wingerter PR D87 (2013) 055005 Anandakrishnan, Bryant & Raby arXiv:1404.5628 Global c2 analysis

w/ Universal gaugino masses Free parameters - w/ Universal gaugino masses

Radiative EWSB requires Roughly ½ comes From RG running from Blazek, Dermisek & Raby “Just so” = “NUHM2” Gogoladze, Shafi & Un universal Higgs mass - arXiv:1203.6082

Low energy observables Title of talk

Universal Gaugino Masses Yukawa Unification Universal Gaugino Masses Fit t,b,tau requires

Inverted scalar mass hierarchy Bagger, Feng, Polonsky & Zhang PLB473, 264 (2000) Third family scalars lighter than first two ! Suppresses flavor & CP violation

Heavy scalars Title of talk

Need Heavy scalars ! b s g Title of talk

Title of talk

arXiv: 1304.6325 Title of talk

tension between b  s g & b  s l+ l- Albrecht, Altmannshofer, Buras, Guadagnoli, & Straub JHEP 0710:055 (2007) Title of talk

Light Higgs SM-like Title of talk

Light Higgs mass

Light Higgs SM-like Br( Bs -> m+ m- ) : SM : 3 x 10-9 MSSM : ~ (tan b)6 /mA4

Gluino mass 2 TeV Title of talk

Gluino mass bound

Gluino mass bound m16 = 20 TeV, M1/2 varied -> 2 d.o.f.

m16 = 20 TeV Anandakrishnan, Bryant & Raby arXiv: 1404.5628 Title of talk

Title of talk

Title of talk

LSP bino - over-closes the universe Axion, axino DM ??? Dark Matter ? LSP bino - over-closes the universe Axion, axino DM ??? Or non-thermal DM ! Anandakrishnan & Sinha arXiv:1310.7579 Non- universal gaugino masses - “mirage mediation” Thermal DM ! Well tempered Title of talk

Most stringent signal region ATLAS-CONF-2013-061 final states with large missing transverse momentum, at least four, six, or seven jets, at least three jets tagged as b-jets, and either zero or at least one lepton. Title of talk

CMS & ATLAS data using CHECKMATE Title of talk

Three family model gives good fits to low energy data Title of talk

3 Family SO(10) + family symmetry Dermisek & Raby PLB 622:327 (2005). Dermisek, Harada & Raby PRD74, 035011 (2006) Albrecht, Altmannshofer, Buras, Guadagnoli & Straub JHEP 0710:055 (2007) Anandakrishnan, Raby & Wingerter arXiv:1212.0542

3 family SO10 SUSY Model D3 x [U(1) x Z2 x Z3 ] Family Symmetry Superpotential Yukawa couplings Global c2 analysis Charged fermion masses & mixing Neutrino masses & mixing

Yukawa couplings Superpotential for charged fermion Familon VEVs assumed Title of talk

Effective higher dimension operators Title of talk

SO(10) x [ D3 x U(1) family sym. ] Yukawa Unification for 3rd Family 7 real para’s + 4 phases + 3 real Majorana Neutrino masses Dermisek & Raby PLB 622:327 (2005). Title of talk

SO(10) x [ D3 x U(1) family sym. ] Yukawa Unification for 3rd Family Title of talk

Extend to neutrino sector Assume 3 new real para’s Title of talk

Title of talk

15 charged fermion & 5 neutrino low energy observables with Using c2 analysis, fit 15 charged fermion & 5 neutrino low energy observables with 11 arbitrary Yukawa & 3 Majorana mass parameters 4 & 2 d. o. f. or 6 predictions Title of talk

Global c2 analysis 24 parameters at GUT scale compared to SM - 27 parameters CMSSM - 32 parameters Title of talk

c2/dof= 2 Title of talk

Title of talk

Gluino mass bound – 3 fam. Title of talk

Gluino mass bound - 3rd fam. only

Title of talk

Title of talk

Conclusions SO(10) Yukawa unification Boundary conditions at MGUT ~ Universal or “Mirage” gaugino masses Light Higgs - SM-like Three family model fits low energy data !! SUSY at Run II of LHC ?? Optimistic !!