S. Su 1 from CPNSH website
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1 S. Su 1
2 S. Su 1 from CPNSH website
3 S. Su 1 from CPNSH website
4 S. Su 2
5 EWSB S. Su 3
6 EWSB with a S. Su 3
7 EWSB with a without a S. Su 3
8 EWSB with a without a fundamental scalar S. Su 3
9 EWSB with a without a fundamental scalar regular S. Su 3
10 EWSB with a without a fundamental scalar regular SUSY S. Su 3
11 EWSB with a without a fundamental scalar regular GB SUSY S. Su 3
12 EWSB with a without a fundamental scalar composite regular GB SUSY S. Su 3
13 EWSB with a without a fundamental scalar composite regular GB SUSY S. Su 3
14 EWSB with a without a fundamental scalar composite regular GB SUSY Technicolor S. Su 3
15 EWSB with a without a fundamental scalar composite regular GB SUSY ADD Technicolor S. Su 3
16 EWSB with a without a fundamental scalar composite regular GB SUSY ADD Little Technicolor S. Su 3
17 EWSB with a without a fundamental scalar composite regular GB SUSY ADD Little Twin Technicolor S. Su 3
18 EWSB with a without a fundamental scalar composite regular GB Ads/CFT SUSY ADD Little Twin RS Technicolor S. Su 3
19 EWSB with a without a fundamental scalar composite regular GB Ads/CFT SUSY ADD Little Twin RS Technicolor less S. Su 3
20 EWSB with a without a fundamental scalar composite regular GB Ads/CFT SUSY ADD Little Twin RS Technicolor less S. Su 3
21 TeV Scale New Physics and Their Collider Signatures Shufang Su U. of Arizona KITPC08 New Physics beyond the SM S. Su
22 Outline What I will and will not to cover EWSB scenarios and its signatures SUSY ADD Little Twin RS Technicolor less The difficult question S. Su 5
23 What I Will and Will Not Cover? Will not discuss Scenarios do not directly related to EWSB and (little) Hierarchy UED, split SUSY, GUT,... Indirect signatures: effects in precision measurements properties Will focus on Recent developments Direct search LHC try to be as model independent as possible particle directly related to the cancellation of quadratic divergence particles essential to the scenario SUSY ADD little twin Technicolor minimum (vanilla) model (might not be the best model) S. Su 6 RS less
24 New Particles at a Glance SUSY ADD Little Twin RS Technicolor less S. Su 7
25 New Particles at a Glance SUSY ADD Little Twin RS Technicolor less SM partners S. Su 7
26 New Particles at a Glance KK gravitons SUSY ADD Little Twin RS Technicolor less SM partners S. Su 7
27 New Particles at a Glance KK gravitons SUSY ADD Little Twin RS Technicolor less SM partners technipion, technirho,... S. Su 7
28 New Particles at a Glance KK gravitons massive vector bosons SUSY ADD Little Twin RS Technicolor less SM partners technipion, technirho,... S. Su 7
29 SUSY S. Su 8
30 SUSY Supersymmetry By now, everyone knows what usual SUSY signals are... you always hear people say If there is supersymmetry, we can observe it at the LHC. S. Su 9
31 SUSY Supersymmetry By now, everyone knows what usual SUSY signals are... you always hear people say If there is supersymmetry, we can observe it at the LHC. t ~ t... as stop can not be too heavy and it is strong interacting. S. Su 9
32 SUSY Supersymmetry By now, everyone knows what usual SUSY signals are... you always hear people say If there is supersymmetry, we can observe it at the LHC. t ~ t... as stop can not be too heavy and it is strong interacting. cancellation of ~~ Λ2 only need HHtt coupling relate to top Yukawa stop does NOT have to charge under the SM SU(3) c. S. Su 9
33 SUSY Supersymmetry By now, everyone knows what usual SUSY signals are... you always hear people say If there is supersymmetry, we can observe it at the LHC. t ~ t... as stop can not be too heavy and it is strong interacting. cancellation of ~~ Λ2 only need HHtt coupling relate to top Yukawa stop does NOT have to charge under the SM SU(3) c. folded SUSY Burdman, Chacko, Goh and Harnik, hepph/ S. Su 9
34 folded SUSY Signatures Collider signature Fsquark Fsquark S. Su 10
35 folded SUSY Signatures Collider signature soft photon Fsquark soft photon soft photon Fsquark soft photon S. Su 10
36 folded SUSY Signatures Collider signature soft photon Fsquark soft photon soft photon Fsquark soft photon S. Su 10
37 folded SUSY Signatures Collider signature soft photon W/Z/γ Fglueball soft photon soft photon W/Z/γ Fglueball soft photon S. Su 10
38 ADD S. Su 11
39 ADD Large Extra Dimensions ArkaniHamed, Dimopopulos, Dvali, hepph/ M n+2 R n = Mpl 2 TeV GeV δm 2 H 3y2 t 4π 2 Λ2 log(λ/m t ) 2 EW scale M* TeV δ=1 δ=2 δ=3 δ=4 δ=5 δ=6 R (m) 3E13 2E3 1E8 2E11 5E13 4E14 1/R (GeV) 6E30 8E14 2E8 9E6 4E4 4E3... gravity live in δ+4 dimensions massless mode: 4D graviton massive mode: KK tower of graviton mg KK = n/r, n=1,2,... small mass splitting S. Su 12
40 ADD Single Jet/Photon + MET KK graviton: appear as missing E T Signatures: Single gluon/photon + large missing E T Vacavant and Hinchliffe, 2001 PT miss gluon radiation MD=79 TeV for L=100fb 1 PT jet PT miss S. Su 13
41 ADD 2 2 Scattering Virtual Graviton Exchange in 2 2 scattering deviations in SM process with difermions new production process absent in SM at tree level, e.g. gg l+ l G (n) M S reach, TeV ADD Discovery Limit fb n = fb n = dimuon CMSTDR Integrated Luminosity, fb 1 S. Su 14
42 ADD Black Hole Production Semiclassical approach: rameter is smaller th σ(m BH ) = πr 2 s(4+n) oduction cross sectio MD 2 TeV, σ pb from Albert De Roeck =.D;()$.4*#4"##)##F()+,#%4(&# S. Su 15
43 ADD Black Hole Production Signatures: high multiplicity of final state particles spherical distribution Dominant background: QCD jets, top, boson+jets, CMSTDR Events M(4+n) 23 TeV MBH: up to 4 TeV n: 26 Signal Backgrounds (a) M(4+n) TeV MBH: 4 TeV 14 TeV n: 3 Signal Backgrounds (b) Invariant Mass (GeV/c^2) sphericity S. Su 16
44 Little S. Su 17
45 Little Little Models for review, see Perelstein, hepph/ ; is a Goldstone boson of spontaneous global symmetry breaking obtain mass from interactions explicitly breaking global symmetry gauge interaction, Yukawa interaction 1loop quadratic divergence protected via collective symmetry breaking Schmaltz and TuckerSmith, hepph/ ; e.g. Littlest model global symmetry: SU(5) SO(5) gauge symmetry: [SU(2)XU(1)] 2 [SU(2)XU(1)]SM mass is zero if either of the gauge coupling is zero. One loop contribution is at most logarithmically divergent. Good for Λ up to about 10 TeV S. Su 18
46 Little Little Models t T Cancellation of Λ 2 by partners of the same spin. New particles: New gauge bosons: W H, ZH, AH New heavy quarks: T,... Extra es masses TeV S. Su 19
47 Little Heavy Top in Littlest Model Heavy top production Han, McElrath, Logan, Wang, hepph/ S. Su 20
48 Little Signatures in the LH Models Γ(T tz) = Γ(T t h) = 1 2 Γ(T bw ) = κ2 T 32π M T κ T = λ 2 1 / λ λ2 2 1 Events/40 GeV/300 fb T t Z l + l lνb ATLAS Invariant Mass (GeV) Azuelos et. al., hepph/ S. Su 21
49 Little Signatures in the LH Models Γ(T tz) = Γ(T t h) = 1 2 Γ(T bw ) = κ2 T 32π M T κ T = λ 2 1 / λ λ Events/40 GeV/300 fb T t Z l + l lνb ATLAS T Wb lνb Invariant Mass (GeV) Azuelos et. al., hepph/ S. Su 21
50 Little Signatures in the LH Models Γ(T tz) = Γ(T t h) = 1 2 Γ(T bw ) = κ2 T 32π M T κ T = λ 2 1 / λ λ2 2 1 Events/40 GeV/300 fb T t Z l + l lνb ATLAS T Wb lνb 50 T t h bbblν ATLAS Invariant Mass (GeV) Events/30 GeV/300 fb Azuelos et. al., hepph/ Mass(jjje!) (GeV) S. Su 21
51 Little Heavy Guage Bosons in LH Signatures: DrellYan production Decays into dilepton, dijets, dibosons ZH l + l WH l + ν S. Su 22 Azuelos et. al., hepph/
52 Little Heavy Gauge Bosons in LH Diboson signals 1 Events/40 GeV/300 fb cotθ=0.5 ATLAS Signal Background 1 Events/40 GeV/300 fb ATLAS Signal Background ZH Zh llbb WH Wh lνbb M(Z H ) (GeV) M(W H ) (GeV) S. Su 23
53 Little Little with Tparity EWPT f large Tparity (similar to Rparity in SUSY) contribution to SM process only appears at loop level, allow small f Todd partners for SM particles (Tquarks, Tleptons,...) lightest Todd particle: stable, most likely, A H SUSYlike signals even odd New gauge bosons New heavy quarks T+ T AH (LTP) WH, ZH q,l S. Su 24
54 Twin S. Su 25
55 Twin Twin mechanism as pseudogoldstone boson of a global symmetry Its mass is protected against radiative correction via discrete symmetry Chacko, Goh, Harnik, hepph/ Chacko, Nomura, Papucci, Perez, hepph/ Chacko, Goh, Harnik, hepph/ e.g., leftright Twin Models Global U(4), with subgroup SU(2) L SU(2) R U(1) BL gauged Leftright symmetry: g L =g R (y L =y R ) SM doublet 3 eaten by heavy gauge bosons U(4) U(3) 7 GB SU(2) L SU(2) R U(1) BL SU(2) L U(1) Y S. Su 26
56 Little Twin mechanism Quadratic divergence forbidden by leftright symmetry g L =g R =g U(4) invariant, does not contribute to the mass of GB Log contribution: m H g 2 f / (4 π), natural for f TeV S. Su 27
57 Little New particles Heavy top: t H Single production thj Heavy gauge bosons: W H, Z H 3 b th + 1 j bφ + 1 ± bbt bbblν lepton + missing E T b j b th φ ± l t W b ν DrellYan production Decays into dilepton, dijets (similar to LR model) Z H tt, WH tb,... S. Su 28
58 Little New particles Heavy top: t H Single production thj Heavy gauge bosons: W H, Z H! / 20GeV b th + 1 j bφ + 1 ± bbt bbblν lepton + missing E T b j b 0.1 th φ ± t b W l signal background ν DrellYan production Decays into dilepton, dijets (similar to LR model) Z H tt, WH tb, M T,T S. Su 28
59 RS S. Su 29
60 RS RandallSundrum Scenario Planck TeV ds 2 = e 2ky η µν dx µ dx ν dy 2 AdS 5 Λ π M Pl e kr cπ gravity SM Λπ TeV for krc 1112 New particles: KK tower of graviton Interactions: L = 1 M P l T µν (x)h (0) µν (x) 1 Λ π T µν (x) n=1 h (n) µν (x). Ads/CFT dual: in TeV S. Su 30
61 RS RS Graviton Collider signature: resonance in dilepton, dijet, diboson, tt jj k/mpl=1, 0.5, 0.1, 0.005, WW ZZ ll tt hh Davoudiasl, Hewett and Rizzo, S. Su 31
62 RS RS graviton (Variation) Planck TeV gravity SM S. Su 32
63 RS RS graviton (Variation) Planck TeV GKK gravity SM S. Su 32
64 RS RS graviton (Variation) Planck SM TeV GKK gravity S. Su 32
65 RS RS graviton (Variation) Planck SM TeV GKK gravity S. Su 32
66 RS RS graviton (Variation) Planck SM TeV gaugekk GKK gravity S. Su 32
67 RS RS graviton (Variation) Planck SM TeV tr gaugekk GKK gravity S. Su 32
68 RS RS graviton (Variation) Planck SM TeV light fermion tr gaugekk GKK gravity S. Su 32
69 RS RS graviton (Variation) Planck SM TeV light fermion tr gaugekk GKK gravity Agashe, Delgado, May and Sundrum, hepph/ S. Su 32
70 RS RS graviton (Variation) Planck SM TeV light fermion tr gaugekk GKK gravity Agashe, Delgado, May and Sundrum, hepph/ KK graviton couple strongly to H, t R, VKK (composite fields) less to light quarks, leptons (fundamental fields) S. Su 32
71 RS RS graviton Signatures: resonance in tt, diboson tt q q > q q G g g > G BR(G>X) G > Z L,W L, h G > tt G > t 1 t! (fb) 10 1 gg G1 0.2 t 1 t WW, ZZ, hh ! tr M G (GeV) S. Su 33 Agashe, Davoudiasl, Perez and Soni, hepph/ VBF Fitzpatrick, Kaplan, Randall and Wang, hepph/ gg G 1 ZZ 4l, L=300 fb 1 c k/ M P m G 1 (TeV) < S/ B
72 RS KK Gluon New particles: KK gluon Signatures: resonance in tt TeV 3 TeV 5 TeV 7 TeV BG 10 6 pb/gev M tt (GeV) Lillie, Randall and Wang, hepph/ S. Su 34
73 Technicolor S. Su 35
74 Technicolor Technicolor Similar to QCD chiral symmetry breaking... new nonabelian gauge symmetry: Technicolor additional massless fermions: technifermion formation of techifermion condensate break electroweak symmetry New particles color singlet sector: spin 0 π TC, spin 1 ρtc, etc. S. Su 36
75 Technicolor Technicolor Signature diboson resonance ρtc WZ 3lν ρtc πtz bqll 50 ATLAS detector and physics performance Volume II Technical Design Report 25 May 1999 Kreuzer, CMS notes 2006/ cos )! cos )! 10 enhanced W LWL scattering for heavy ρtc cos )! cos )! ρtc πtw bblν S. Su 37 Figure 215! ± T " W ± # 0 T " l + $ b b: Distribution of cos)ˆ lvbb for cases (b) and (c) as well for the tt and W+jets backgrounds. ATLAS TDR Figure 216 Reconstructed mass of the! T candidates vs mass of the p T candidates for the channel! " W ± # 0 " l + $ bb. From lightest to darkest: W +
76 less S. Su 38
77 less less Csaki, Grojean, Murayama, Pilo, Terning Chivukula, He, Kurachi, Simmons, Tanabashi, Matsuzaki; Foadi, Gopalkrishna, Schmidt (deconstruction) Georgi Inspired by deconstruction, warped extra dimension... Unitarity No E < 8πv 1.2 TeV SM S. Su 39 From S. Chivukula
78 less RS less Csaki, Grojean, Murayama, Pilo, Terning Planck TeV SU(2)L SU(2)R U(1)BL dual to walking technicolor model AdS 5 SU(2)R U(1)BL U(1)Y SU(2)L SU(2)R SU(2)D electroweak symmetry is broken by boundary conditions Unitarity fixed by exchange of KK tower of gauge boson S. Su 40 From S. Chivukula
79 less 3site Model less Chivukula, He, Kurachi, Simmons, Tanabashi, Matsuzaki SU(2) SU(2) U(1) ψ R1 t R2, b R2 " $ # $ %!!! " # %! ψ L0 ψ L1 Unitarity fixed by exchange of extra gauge boson S. Su 41
80 less Signatures of less models New particles: Massive gauge bosons Signatures: VBF diboson resonance W V ± i W VBF W (1) WZ 3lν from A. Belyaev Z (d) Z S. Su 42
81 less Signatures of less models New particles: Massive gauge bosons Signatures: VBF diboson resonance W V ± i W VBF W (1) WZ 3lν from A. Belyaev Z (d) Z S. Su 42
82 SUSY ADD little twin RS Technicolor less missing Et resonance dilepton, dijets, diboson, tx, bx,... nonresonance Exotic S. Su 43
83 SUSY ADD little twin RS Technicolor less missing Et resonance dilepton, dijets, diboson, tx, bx,... nonresonance Exotic S. Su 43
84 SUSY ADD missing Et Rich signatures little resonance dilepton, dijets, diboson, tx, bx,... twin RS nonresonance Technicolor Exotic less S. Su 43
85 EASY SUSY ADD missing Et Rich signatures little resonance dilepton, dijets, diboson, tx, bx,... twin RS nonresonance Technicolor Exotic less S. Su 43
86 EASY SUSY ADD missing Et Rich signatures little resonance dilepton, dijets, diboson, tx, bx,... twin RS nonresonance Which new physics? Technicolor Exotic less S. Su 43
87 EASY SUSY ADD missing Et Rich signatures little resonance dilepton, dijets, diboson, tx, bx,... twin RS nonresonance Which new physics? Technicolor Exotic DIFFICULT less S. Su 43
88 Spring S. Su
89 Spring S. Su
90 Spring SUSY less little ADD twin RS Technicolor S. Su
91 Spring Summer SUSY less little ADD twin RS Technicolor S. Su
92 Spring Summer SUSY less you ADD RS little twin KITPC S. Su
93 Spring Summer SUSY less you ADD RS little twin KITPC Fall S. Su
94 Spring less SUSY ADD little Summer twin you KITPC Technicolor Fall S. Su
95 Spring less SUSY ADD little Summer twin you KITPC Technicolor Fall Winter Let s hope it never come... S. Su
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