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Highlights from the Race to New Physics at the LHC. Scott Thomas Rutgers University. April 6, 2012. Search for New Physics: Higgs + SUSY + …. LHC has Opened up a Vast Landscape of Un-Explored Territory Many Opportunities to Explore this N ew Territory - PowerPoint PPT Presentation
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Highlights from the Race to New Physics at the LHC
Scott Thomas
Rutgers University
April 6, 2012
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LHC has Opened up a Vast Landscape of Un-Explored Territory
Many Opportunities to Explore this New Territory Not Static - Discovery Potential Continually Evolving
Strategy:
Wide Spectrum of Searches – Mow down Un-Cut Territory Adapt Searches to Exploit Rapidly Changing Discovery Potential
( Search First for What can be Discovered First – Match the Search to the Discovery Potential )
Search for New Physics: Higgs + SUSY + …
3
Simplified Model Topologies
CMS Highlights
New Physics Searches
Di-Jet Regge Resonances, Multi-Jets, Di-Photon + MET, OS Di-lepton, Multi-Lepton, Multi-Lepton + Kinematics
Higgs -> Multi-Leptons (Higgs -> Di-Photon, Higgs -> WW -> l n l n )
Consistent On-Shell Effective Theory
Coming Highlights for 2012
Outline:
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Underlying Theoretical Framework
Models Simulations Signatures
Experimental Signature Search
Generally No Single Definitive Prediction (SUSY) Just Hope that Some States (Super-Partners ) are Kinematically Accessible Make (Prioritized) List of Signatures and Do the Experimental Searches …
SUSYExperimental Searches
Decoupling Limits
Search for New Physics: Theory <-> Experiment
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Experiment - Signatures Most Important Metric
Production and Decay Topologies -> Final States -> Signatures
Relatively Narrow Intermediate States
Parameterized by
Mass Spectrum, Spins + Quantum Numbers (or Decay Distributions) (More later … )
Organize Mapping Theory <-> Experiment
G / m << 1
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(Dube, Glatzer, Somalwar, Sood, ST)
Factorized Mapping - Simplified Topologies
# Topologies # Decays in Each Topology
Acceptance for Topology t in Final State f Final State
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(Dube, Glatzer, Somalwar, Sood, ST)
Factorized Mapping - Simplified Topologies
# Topologies # Decays in Each Topology
Acceptance for Topology t in Final State f Final State
• Production s’s Factor Out of Problem • Cascade Br’s Factor Out of Problem• Acceptances Factor Out of Problem At = At(mi) Only Multiple Topologies + Multiple Channels Easily Combined • Good for Arbitrary Relations Among st,Brat,mit (No Assumptions) Can Add More Topologies Later (Incoherent) (Since Don’t Simulate Combinations of Topologies)• Report s.Br and s.Br.A(mi) or A(mi) for Each Topology
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(Dube, Glatzer, Somalwar, Sood, ST)
Factorized Mapping - Simplified Topologies
CDF Tri-Lepton Search Parameterization Becoming Standard for CMS + ATLAS Searches - Benchmarks Very Useful for Theory-Level Studies … (More later)
Production and Decay Topologies
Simulation
Experimental Signature Search
• Production s’s Factor Out of Problem • Cascade Br’s Factor Out of Problem• Acceptances Factor Out of Problem At = At(mi) Only Multiple Topologies + Multiple Channels Easily Combined • Good for Arbitrary Relations Among st,Brat,mit (No Assumptions) Can Add More Topologies Later (Incoherent) (Since Don’t Simulate Combinations of Topologies)• Report s.Br and s.Br.A(mi) or A(mi) for Each Topology
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Search for New Physics: Experiment
Objectelectron
photon jet
b-jet
muontau
Searching for Extremely Rare Processes (Approaching part per 1015 level )
Control of “Fake” Objects Crucial !! (An example later)
Reconstructed Physics Objects
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Search for New Physics: Experiment
Signature Space - Physics Objects
MET , …
Leptons , taus , Photons , …
Jets , b-jets
Searches are Built Around SM (+fake) Backgrounds –
Design Searches Away from “Origin” of Signature Space Along Some Axis or Axes
s (fb) 7 TeV
W 100,000,000 Z 30,000,000tt 150,000
WW 40,000WZ 17,000ZZ 6,500
H inclusive 17,900
ttW 150ttZ 100WWW 60
ttWW 2
ww (400 GeV ) 10gg (1 TeV) 10
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Search for New Physics: Experiment
Signature Space - Physics Objects
MET , …
Leptons , taus , Photons , …
Jets , b-jets
s (fb) 7 TeV
W 100,000,000 Z 30,000,000tt 150,000
WW 40,000WZ 17,000ZZ 6,500
H inclusive 17,900
ttW 150ttZ 100WWW 60
ttWW 2
ww (400 GeV ) 10gg (1 TeV) 10
Searches are Built Around SM (+fake) Backgrounds –
Design Searches Away from “Origin” of Signature Space Along Some Axis or Axes
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Search for New Physics
Highlights: CMS – Rutgers
Di-Jet Regge Resonances Multi-Jet Resonances Di-Photon + MET Multi-Lepton Multi-Lepton + Kinematics Higgs -> Di-photon
Multi-Jets (CDF) Di-Jet Extinction Boosted top-top-jet …
Highlights: CMS
Higgs -> WW -> l n l n OS Di-Lepton … Phenomenology:
COSET Higgs -> Multi-Leptons Higgs -> WW -> l n l n Kinematic Reconstruction Testing Higgs Mechanism New Physics with Higgs …
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Search for New Physics
Highlights: CMS – Rutgers
Di-Jet Regge Resonances Multi-Jet Resonances Di-Photon + MET Multi-Lepton Multi-Lepton + Kinematics Higgs -> Di-photon
Multi-Jets (CDF) Di-Jet Extinction Boosted top-top-jet …
Spare Experimental Realities: Triggers, Cuts, Data Analysis, Characterize Backgrounds, Fake Rates, Data Driven Closure Tests, …
Highlights: CMS
Higgs -> WW -> l n l n OS Di-Lepton … Phenomenology:
COSET Higgs -> Multi-Leptons Higgs -> WW -> l n l n Kinematic Reconstruction Testing Higgs Mechanism New Physics with Higgs …
High pT: s(pp jj) Largest – First Place to Look for New Physics String Scale a0
-1 = ms2 Could be O(TeV)
SU(3)
SU(2)
Quark
W-Boson
Gluon Quarks, Gluons = Open String Modes on D-Branes
Open String Regge Excitations - Any D-Brane Realization String Theory - Observable for ms = O(TeV) - Significant Modification of QCD
Open String Di-Jet Regge Resonances
Tower of Excitations for Gluon, All Quarks, … g* , q*
mn
2 = n ms2 n = 1,2,3,… Equally Space in m2
Degenerate (up to small finite corrections) Regge Excitation Spins J = 0,…,n
Previous Work:
Cullen, Perlestein, Peskin e+e- Collider Anchordoqui, Goldberg, Lust Di-Jets Interesting SignatureNawata, Stieberger, Taylor (Only some channels, Color Averaged Only, Estimate of Incoherent Widths, No Interference Effects, ... )
String-String Scattering
= n or nnn
Veneziano Form Factor
Crossing Symmetry: x <-> y s-Channel Resonances in Many Color and Flavor Channels ms = O(TeV) - Significant Modification of Di-Jets
Regge Level Spin
Open String Di-Jet Regge Resonances (Kilic, ST)
QCD 2 -> 2 Scattering Amplitudes with Veneziano Form Factor
All Spin and Most Color Channels …
Open String Di-Jet Regge Resonances (Kilic, ST)
Singular on s-channel Regge poles - Improve Scattering Amplitudes for Leading Re-scattering Effects - Finite Width of Resonances
Modified Optical Theorem:
Includes Effects of Coherence Quantum Interference Among Regge Resonances of Different Spin and Intereference with Continuum
2 = =
2Res2
Res1
Open String Di-Jet Regge Resonances (Kilic, ST)
Direct Probe of String Theory
Constructive Interference
Destructive Interference
1st Resonance BIG –
Many Quark and Gluon Color and Flavor Channels, Multiple Spins – Add (In)Coherently
mn2 Spacing
Gn Grow Rapidly with n
7 Tev Parton Level
Incorporate Improved Veneziano Amplitudes into Veneziano Monte Carlo (VMC) (Reduces to Pythia 2->2 Scattering for ms -> large)
Open String Di-Jet Regge Resonances (Kilic, ST)
ms > 2.4 TeV (3 pb-1)
(Eventually - Contact Interaction)
Open String Di-Jet Regge Resonances (Kilic, ST, Harris, …, CMS)
ms > 4.0 TeV (1 fb-1)
(Eventually - Contact Interaction)
Open String Di-Jet Regge Resonances (Kilic, ST, Harris, …, CMS)
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SUSY Topologies Produce Super-Partners in Pairs or Possibly Resonantly if R-Sym Violation
SM Particles Emitted in Cascade Decays of Super-Partners
R-Symmetry Conserved Violated
Lightest Stable Un-Stable Super-Partner
Generic Non-Degenerate Spectrum - High pT Isolated Objects:
Jets, b-Jets, Electrons, Muons, Taus, Z-Bosons, Photons, MET, Top Quarks + Lightest Super-Partner(s) SUSY Great Signature Generator
Detect Passage Through Detector
Lepton
Jets
Jets
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The Scale of Super-Symmetry Breaking
Possible Decay to Goldstino (component of gravitino) Provides a Natural Classification of Inclusive Signatures
SM Particle
Goldstino
Lightest SM Super-Partner Meta-Stable
• Prompt Decay < O(100) TeV
• Decay Within Detector O(100) TeV • Effectively Stable in > O(100) TeV Detector
Finite Gap Emitted SM Particle - High pT
Blunt Inclusive Analyses that Capture Final Decays to Goldstino are Robust … (No Softening from Compressed Spectrum)
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SUSY Inclusive Signature Classification (RPC)
Run II Workshop: hep-ph/0008070
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SUSY Inclusive Signature Classification (RPC)
Run II Workshop: hep-ph/0008070
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LHC SUSY Production
Irreducible Super-Partner Pair Production
Rapidly Beyond Tevatron in Relatively Low Background Final States
Strong Production > O(pb-1) (2010 – 2011 ½ -> )
Weak Production > O(fb-1) (2011 ½ – 2012 -> )
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Di-Photon + Jets + MET Signature
Bino
Goldstino
Photon
Gluino, Squarks
Jets
(Gershtein, ST, Zhao, Park, … , CMS)
Neutralino -> Photon + Goldstino (Prompt) with Strong Production
Necessarily Extra Jet(s) - Reduces Background - …
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Di-Photon + Jets + MET Signature
Bino
Goldstino
Photon
Gluino, Squarks
Jets
(Gershtein, ST, Zhao, Park, … , CMS)
Significant SM BackgroundNear Origin of Di-photon + MET Space
Neutralino -> Photon + Goldstino (Prompt) with Strong Production
Necessarily Extra Jet(s) - Reduces Background - …
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Di-Photon + Jets + MET Signature
Gluino, Squarks
Bino
Goldstino
Photon
Jets
(Gershtein, ST, Zhao, Park, … , CMS)
Neutralino -> Photon + Goldstino (prompt) with Strong Production
Necessarily Extra Jet(s) - Reduces Background - …
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Opposite Sign Di-Leptons + Jets + MET Signature
Wino
Lepton
Gluino
Jets
Squarks
Bino
Jets
SleptonLepton
Neutralino -> Neutralino + Di-Lepton with Strong Production
Top-Top Irreducible Background Significant ! (t -> Wb -> l n b)
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Opposite Sign Di-Leptons + Jets + MET Signature
Top-Top Irreducible Background Significant ! (t -> Wb -> l n b)
(Park, Lath, ST)
Average MET Distribution = Average pT(ll) Distribution
In-Situ Data Driven MET Characterization
Dominant Background is Self-Calibrating !
MET or pT(ll) (GeV)
Blue METGreen Vector Sum ll
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Opposite Sign Di-Leptons + Jets + MET Signature
Wino
Lepton
Gluino
Jets
Squarks
Bino
Jets
SleptonLepton
Neutralino -> Neutralino + Di-Lepton with Strong Production
Top-Top Irreducible Background Significant ! (t -> Wb -> l n b)
(CMS)
HT = S |pT | Jets
Relatively Low Backgrounds (WZ + Di-Leptons + fakes)
Tri-Leptons + MET Signature Chargino -> Neutralino + Lepton Neutralino -> Neutralino + Di-Lepton
Tevatron – Narrowly Focussed on Classic Tri-Lepton Signature (Flavor + Charge + MET)
LHC – Considerably Expanded Scope + Intrinsic Sensitivity …
Wino
Lepton Bino
SleptonLepton
Backgrounds Closely Correlate with Type of Di-Lepton Pairs within Set of Multi-leptons
Multi-Lepton Signatures (Somalwar, Gray, Zhao, Park, ST)
Classify All Multi-Leptons Channels: Defines a Multi-Channel Hierarchy of Backgrounds
Multi-Lepton Signatures (Somalwar, Gray, Zhao, Park, ST)
Multi-Lepton Signatures
Classify All Multi-Leptons Channels: Defines a Multi-Channel Hierarchy of Backgrounds
(Somalwar, Gray, Zhao, Park, ST)
Multi-Lepton Signatures
Classify All Multi-Leptons Channels: Defines a Multi-Channel Hierarchy of Backgrounds
(Somalwar, Gray, Zhao, Park, ST)
Use Classification Along with NDY > 0 On/Off Z to Make Hierarchical Ordering of Multi-Lepton Channels According to Background Events -> Channels Lowest to Highest Background Exclusively
Maximizes Sensitivity (Given Signal may Overlap with Low Background Channels)
Exclusive Combination of All Channels
Multi-Lepton Signatures
Classify All Multi-Leptons Channels: Defines a Multi-Channel Hierarchy of Backgrounds
(Somalwar, Gray, Zhao, Park, ST)
(CMS)
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Multi-Lepton Signatures (Somalwar, Gray, Lath, ST, Walker, Arora, Panwalker, Contreras-Campana, … CMS)157 Exclusive Channels ->
ST Analysis 4.7 fb-1
ST = S |pT | All Objects
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Multi-Lepton Signatures (Somalwar, Gray, Lath, ST, Walker, Arora, Panwalker, Contreras-Campana, … CMS)157 Exclusive Channels ->
MET + HT Analysis 4.7 fb-1
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Multi-Lepton Signatures
Wino
Goldstino
Lepton
Gluino
Jets
Squarks
Bino
SleptonR
Lepton
Jets
mq = 0.8 mg , mlR = 0.3 mC , mN = 0.5 mC
Slepton Co-NLSP - Prompt Decay to Goldstino with Strong Production
Leptonic RPV and No-MET Hadronic RPVTopologies also …
(Somalwar, Gray, Lath, ST, Walker, Arora, Panwalker, Contreras-Campana, … CMS)
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The Variables Object pT’ , MET, HT, ST, meff, …
Very Blunt Instruments
Useful Far Out Along Axes in the Signature Space where SM Backgrounds are Low
Low “Temperature” Regions of Signature + Phase Space
Searches are Effectively Thermal in these Low “Temperature” Regions
Kinematic Correlations are Required for More Refined Measurements Closer to the Origin of Signature Space (Less Inclusive)
Signal Might be Buried There Under SM Background Low ST, MET, … , Top, Bottom, or Tau Enriched
MET , …
Leptons , taus , Photons , …
Jets , b-jets
High pT: s(pp Multi-jets) Large
Multi-Jet Signature
jet
jet jetjet
jetjet
Purely Hadronic Final States Very Difficult – Prodigious QCD Background … Axis Un-explored Great Discovery Potential to Strong New Physics
QCD Fills Up Phase Space
Standard Techniques Fail
(Lath, Halkiadakis, Essig, ST)
Boosted Tri-Jet Resonance
Focus on Resolved Individual Jets Rather Than Giant Merged Jets
mje
t-jet
-jet
pT,jet-jet-jet
Cut
Accept
Combinatoric Confusion
Boosted Resonance
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Multi-Jet Signature
QCD Fills Up Phase Space
Approximately Scale Invariant
j j j
j j j
pp QQ
SUSY – Hadronic RPV
(Lath, Halkiadakis, Essig, ST)
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Multi-Jet Signature
Boosted Tri-Jet Resonance
Focus on Resolved Individual Jets Rather Than Giant Merged Jets
j j j
j j j
pp QQ
SUSY – Hadronic RPV
(Lath, Halkiadakis, Seitz, Dugan, Hidas, ST, … , CMS)
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Multi-Jet Signature
Boosted Tri-Jet Resonance
Focus on Resolved Individual Jets Rather Than Giant Merged Jets
j j j
j j j
pp QQ
SUSY – Hadronic RPV
(Lath, Halkiadakis, Seitz, Dugan, Hidas, ST, … , CMS)
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Multi-Jet Signature
Boosted Tri-Jet Resonance
Focus on Resolved Individual Jets Rather Than Giant Merged Jets
(Lath, Halkiadakis, Seitz, Dugan, Hidas, ST, … , CMS)
CDF Search First Observation of Boosted Tops pt>300 GeV (Tri-Jet Resonance) Excess !
5 fb-1 Results Soon
Extended Other Searches tt+jet Leptons …
47
Cascade Decay Correlations
S-matrix = f( mijk…2 ) (Unpolarized,
T- Invariant Spins Unobserved)f( mijk…
2 ) = f( mij2 )
Probability Distribution in Generalized Dalitz Space mij2
i,j = All Pairs
True of Sub-processes Also
Exploit (Sub-Process) Correlations in Searches
3-Point Interaction
Amplitude (Almost) Uniquely Determined by Lorentz Invariance up to Momentum Dependent Form Factor
f(p12,p2
2,p32)
J = ½, ½, 0
J = ½, ½, 1
……
Near Mass Shell
Form Factor Nearly Constant G/m << 1
Cascade Decay Correlations
Consistent On-Shell Effective Theory for Cascade Decay Correlations (COSET)
Develop Effective Field Theory - Calculate Cascade Decay Correlations
Systematic Expansion in G/m , m/M
Provides Framework to Consider Wide Range Standard Model + New Physics Processes Correlations in Generalized Multi-Dimensional Dalitz Spaces of Invariants
Leading Order in COSET Expansion: Sequential Two Body Cascade Decays Invariant Mass Distributions in Generalized Dalitz Space Spin 0, ½ (SUSY) No Arbitrary Couplings
(Graesser, ST Shelton, Park)
COSET – Sequential Two-Body Cascade Decay Correlations
½
0½
½ ½
0
0½
½
0
0½
½
Triangle Hump Half-Cusp
Chiral Insertion
Chiral Structure Unique - Independent of Majorana/Weyl, Dirac, PseudoDirac, …
(1 / G
)( d
G /
dx)
(1 / G
)( d
G /
dx)
(1 / G
)( d
G /
dx)
x x x
Only Possibilities for Adjacent Branch Correlations with J=0, ½ (Almost) Complete List of Correlations - Three Sequential Decays J <= 1
(Graesser, ST Shelton, Park)
x = mll / mllmax
Discerning SUSY - Cascade Decay Correlations
(Template) Search for Correlations in Data
Limited Set of Possible Adjacent Branch Correlations : J=0, ½ Adjacent Di-Lepton Distributions – All Possible SUSY Spectra
SUSY Distinctive Patterns
(Graesser, ST Shelton, Park)
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Opposite Sign Di-Leptons + Jets + MET Signature
Wino
Lepton
Gluino
Jets
Squarks
Bino
Jets
SleptonLepton
Neutralino -> Neutralino + Di-Lepton with Strong Production
Top-Top Irreducible Background Significant ! (t -> Wb -> l n b)
(CMS)
Low “Temperature”Region of Phase Space
53
Opposite Sign Di-Leptons + Jets + MET Signature
Wino
Lepton
Gluino
Jets
Squarks
Bino
Jets
SleptonLepton
Neutralino -> Neutralino + Di-Lepton with Strong Production
Top-Top Irreducible Background Significant ! (t -> Wb -> l n b)
(CMS)
Low “Temperature”Region of Phase Space
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Opposite Sign Di-Leptons + Jets + MET Signature
Wino
Lepton
Gluino
Jets
Squarks
Bino
Jets
SleptonLepton
Neutralino -> Neutralino + Di-Lepton with Strong Production
Top-Top Irreducible Background Significant ! (t -> Wb -> l n b)
(CMS)
Low “Temperature”Region of Phase Space
OS Di-Lepton Edge
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Opposite Sign Di-Leptons + Jets + MET Signature
Wino
Lepton
Gluino
Jets
Squarks
Bino
Jets
SleptonLepton
Neutralino -> Neutralino + Di-Lepton with Strong Production
Top-Top Irreducible Background Significant ! (t -> Wb -> l n b)
(CMS)
Low “Temperature”Region of Phase Space
Triangle, Hump, Half Cusp …
Next To Nearest OnShell Mass Extraction Technique (NNOMET)
Correlations Uniquely Determined by Masses and Spins - COSET (SUSY) Three Sequential Cascade Decays
Jets+ Leptons+MET
Includes Combinatoric “Non-Confusion” for Lepton1,2
Distribution In 3D Dalitz Space Uniquely Determined in Terms of 4 Mass Parameters 4 Sparticle Masses in Cascade Decay Tree
m2jl
d G
/ d
mjl
m2jl
Does Not Use Measurent of MET
m2ll
m2jl
(Park,ST )
Next To Nearest OnShell Mass Extraction Technique (NNOMET) LM1 Benchmark TDR Cuts 14 TeV , 100 pb-1
Red – SUSY Decay Sequence Blue – SUSY “Combinatoric” Decay Sequence Green – Top Background
Likelihood Entropy Kinematic Mass Parameters
(S+S)/B = 1/3
O(50) SUSY Events
Form an Ensemble of All Jets pT > 60 GeV + 2 Leptons Multiple Entries per Event
B (GeV)
A (
GeV)
Deploy at Discovery Level …
(Park,ST )
Multi-Lepton Signatures Sensitive to Extremely Rare Processes
Un-anticipated Background – “fake” lepton
Largest Source: Z -> l l g* -> l l l (l) (Others)
(Somalwar, Gray, Lath, ST, Walker, Arora, Panwalker, Contreras-Campana, … CMS; Kilic, Park)
Asymmetric Internal Conversion g* -> e(e) , m(m)
Compare External Conversion in Material g* -> e(e)
Standard MC’s Don’t Capture IR Singular Region of Phase Space
Developed Special Purpose AIC MC
First Observed in Multi-Dimensional Dalitz Distribution O(few) Events
First Observation of Z -> lll(l), llll
59
Multi-Lepton Signature + Kinematics Build Searches Around Backgrounds
Tri-Leptons – Dominant Irreducible Background = WZ
(Somalwar, Gray, Lath, ST, Walker, Arora, Panwalker, Contreras-Campana, … CMS)
mll (GeV)
mT
l’MET
(Ge
V)
5 fb-1 WZ
60
Multi-Lepton Signature + Kinematics Build Searches Around Backgrounds
Tri-Leptons – Dominant Irreducible Background = WZ
(Somalwar, Gray, Lath, ST, Walker, Arora, Panwalker, Contreras-Campana, … CMS)
mll (GeV)
mT
l’MET
(Ge
V)
Wino
Lepton Bino
SleptonLepton
Kinematic Sub-Division of Appropriate Channels
Further Enhances Sensitivity
5 fb-1 WZ + Wino-Slepton-Bino
61
All Blunt “Thermal” Searches Can be Improved With Refined Kinematics …
But Generally Become Less Inclusive …
Price of Digging Towards Origin in Signature Space
62
Multi-Lepton Signals of Higgs (Craig, Gray, Park, Kilic, Somalar, ST)
Higgs Final States Will Eventually Contaminate Multi-lepton Search …
Turn Around – Multi-Leptons as Search for Higgs
Decay:
h -> ZZ -> l l t t -> l l l t h -> WW -> l n l n h -> t t -> t l
Production:
Wh -> l n h Zh -> t t h -> t l h tth -> WbWb h ->b l n b l n h
Signal Spread Out over Many Channels Minimal Significance in Any Given Channel
63
Multi-Lepton Signals of Higgs (Craig, Gray, Park, Kilic, Somalar, ST)
Higgs Final States Will Eventually Contaminate Multi-lepton Search …
Turn Around – Multi-Leptons as Search for Higgs (No Kinematic Optimization)
Decay:
h -> ZZ -> l l t t -> l l l t h -> WW -> l n l n h -> t t -> t l
Production:
Wh -> l n h Zh -> t t h -> t l h tth -> WbWb h ->b l n b l n h
Estimated s / sSM Limit 5 fb-1
Calculated A(mh) for 11 SimpleTopologies Exclusive Combination - (extrapolation)
Illustrates Power of Multi-Channel Multi-Lepton Search
Signal Spread Out over Many Channels Minimal Significance in Any Given Channel
64
Inclusive Blunt “Thermal” Analyses have Mowed Down a Lot of Territory
More Refined Analyses Have Begun to Dig Down Towards the Origin of Signature Space (Kinematic Refinements + Other Reconstruction Techniques)
Many Signatures Well Probed – Some Low Scale SUSY Breaking Scenarios , … , Many more , …
Lot’s of Uncut Territory to Explore Particularly O(few) 100 GeV scale !! *
2012 Will be the Year of Discovery at the LHC Expect First Definite Results for the EWSB Sector … *
The Search for New Physics
65
No Definitive Discovery to Report Quite Yet
The Race is Still On
So Stayed Tuned …
66
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