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Francesco Sannino
Swansea 2009
C P 3 - O r i g i n s
Particle Physics & Origins of Mass
Conformal Dynamics from LHC to Cosmology
Dynamical Electroweak Symmetry Breaking
Unparticle Physics
.....
Natural Asymmetric Dark Matter*
Electroweak Baryogenesis
* Decaying, Composite, ...
We can probe the dynamics of our extensions
Technicolor
Dynamical EW Breaking
Dynamical EW Breaking
L(H)→ −14F aµνF aµν + i Q̄γ
µDµQ + · · ·
Dynamical EW Breaking
Dots are partially fixed by Anomalies as well as other principles
L(H)→ −14F aµνF aµν + i Q̄γ
µDµQ + · · ·
Dynamical EW Breaking
Dots are partially fixed by Anomalies as well as other principles
L(H)→ −14F aµνF aµν + i Q̄γ
µDµQ + · · ·
· · · → L(New SM Fermions)
Technicolor
New Strong Interactions at ~ 250 GeV [Weinberg, Susskind]
Technicolor
New Strong Interactions at ~ 250 GeV [Weinberg, Susskind]
Natural to use QCD-like dynamics.
Technicolor
New Strong Interactions at ~ 250 GeV [Weinberg, Susskind]
Natural to use QCD-like dynamics.
Technicolor
New Strong Interactions at ~ 250 GeV [Weinberg, Susskind]
Natural to use QCD-like dynamics.
Large & Positive S from QCD-like Technicolor
1 TeV
SU(3) + 1 Fund. Doublet
S
T
Kennedy-Lynn, Peskin-Takeuchi, Altarelli-Barbieri, Bertolini- Sirlin, Marciano-Rosner
Weinberg, Susskind
Walking versus Running
Near Conformal Properties
Near Conformal Properties
Near Conformal Properties
Near Conformal Properties
Appelquist, Bowick, Chivukula, Cohen, Eichten, Georgi, Hill, Holdom, Karabali, Lane, Mahanta, Miransky, Shrock, Simmons, Terning, Wijewardhana, Yamawaki
S in Walking Technicolor
S in Walking Technicolor
Appelquist, F.S.SWTC < STC
S in Walking Technicolor
We will take as an estimate:
Appelquist, F.S.SWTC < STC
S in Walking Technicolor
We will take as an estimate:
Appelquist, F.S.SWTC < STC
SWTC ≈ Snaive =16π
Nf2
d(R)
Rule:
Find Walking Theories with EW embedding minimizing S
Viable Models
(Ultra) Minimal Walking Technicolor (MWT)
Higher Dimensional Representations
Beyond Minimal Walking Technicolor
Partially EW Gauged Technicolor
Split Technicolor
Additional Fermions in SM
Custodial TC
Dark Matter
ΩDMΩB
∼ 5
Technicolor is a natural example(TIMP)
Technibarion is similar to the nucleon
Technicolor is a natural example(TIMP)
Technibarion is similar to the nucleon
TB number like the B number
Technicolor is a natural example(TIMP)
Technibarion is similar to the nucleon
TB number like the B number
At most EW-type cross sections
Technicolor is a natural example(TIMP)
Technibarion is similar to the nucleon
TB number like the B number
At most EW-type cross sections
EW scale and interactions built in
Technicolor is a natural example(TIMP)
Technibarion is similar to the nucleon
TB number like the B number
At most EW-type cross sections
EW scale and interactions built in
Technicolor is a natural example(TIMP)
Nussinov, 86Barr - Chivukula - Farhi 90Sarkar 96Gudnason - Kouvaris - F.S. 06
Technibarion is similar to the nucleon
TB number like the B number
At most EW-type cross sections
EW scale and interactions built in
Technicolor is a natural example(TIMP)
Nussinov, 86Barr - Chivukula - Farhi 90Sarkar 96Gudnason - Kouvaris - F.S. 06
Ultra Minimal Technicolor is the first physical realization Ryttov - F.S. 08
PAMELA/ATIC Decaying Dark Matter + Unification, Nardi, F.S., Strumia, 08.
Plus sign minus signCDMS II Ge CombinedXENON10 2007 Projected superCDMS
Foadi, Frandsen, F.S. 08
(GeV)
10 50 100 500 1000 5000 1! 10410"45
10"44
10"43
10"42
10"41MΦ
Σnucleon!cm"
2 "
σnucleon =µ2
4π
[Z
A
8π α dBΛ2
+dM fmNM2HMφ
]2
µ = MφmN/(Mφ + mN )
MH = 300 GeV
dB = ±1Λ =3 TeV
dM = 1
Earth Based Constraints
Asymmetric DM Relic Density
mTBmp
≈ 1 TeV1 GeV
= 103
Asymmetric DM Relic Density
mTBmp
≈ 1 TeV1 GeV
= 103
TB
B∝ exp
[−mTB(T
∗)T ∗
]∼ 10−3
Asymmetric DM Relic Density
mTBmp
≈ 1 TeV1 GeV
= 103
TB
B∝ exp
[−mTB(T
∗)T ∗
]∼ 10−3 T ∗ ∼ 200 GeV
Asymmetric DM Relic Density
mTBmp
≈ 1 TeV1 GeV
= 103
TB
B∝ exp
[−mTB(T
∗)T ∗
]∼ 10−3 T ∗ ∼ 200 GeV
ΩTBΩB
=TB
B
mTBmp
∼ O(1)
Strong Dynamics
Gauge Theory Knobs
Gauge Theory Knobs
Gauge Group, i.e. SU, SO, SP
Gauge Theory Knobs
Gauge Group, i.e. SU, SO, SP
Matter Representation
Gauge Theory Knobs
Gauge Group, i.e. SU, SO, SP
Matter Representation
# of Flavors per Representation
Gauge Theory Knobs
Gauge Group, i.e. SU, SO, SP
Matter Representation
# of Flavors per Representation
Temperature
Gauge Theory Knobs
Gauge Group, i.e. SU, SO, SP
Matter Representation
# of Flavors per Representation
Matter Density (i.e. Chemical Potential)
Temperature
Progress in Strong Dynamics
Progress in Strong Dynamics
Analytically observed a universal picture
Progress in Strong Dynamics
F.S. and Tuominen 04Dietrich, F.S. 06
Ryttov, F.S. 07 Phase Diagrams for any representation
SU(N), SO(N) and Sp(2N)
F.S. 09
Analytically observed a universal picture
Progress in Strong Dynamics
F.S. and Tuominen 04Dietrich, F.S. 06
Ryttov, F.S. 07 Phase Diagrams for any representation
SU(N), SO(N) and Sp(2N)
F.S. 09
Analytically observed a universal picture
Chiral Gauge Theories
Georgi Glashow & Bars YankielowiczAppelquist, Duan, F.S. 99
Analytic methods
Analytic methods
Truncated Schwinger - Dyson (SD)(Higher Dim. Rep.)
F.S. and TuominenDietrich, F.S.
Analytic methods
SD for the Fund. Rep.
Appelquist, Chivukula, Cohen, Georgi, Holdom, KarabaliMahanta, Miransky, Terning, Wijewardhana, Yamawaki.
Truncated Schwinger - Dyson (SD)(Higher Dim. Rep.)
F.S. and TuominenDietrich, F.S.
Analytic methods
Conjectured all-orders beta function Ryttov, F.S.
SD for the Fund. Rep.
Appelquist, Chivukula, Cohen, Georgi, Holdom, KarabaliMahanta, Miransky, Terning, Wijewardhana, Yamawaki.
Truncated Schwinger - Dyson (SD)(Higher Dim. Rep.)
F.S. and TuominenDietrich, F.S.
Thermal Degree of Freedom Appelquist, Cohen, Schmaltz
Novel ‘t Hooft anomaly matching result.
Identified a potential QCD DualF.S. posted on the arXiv yesterday
Thermal Degree of Freedom Appelquist, Cohen, Schmaltz
Method Fund-Rep Higher Rep. Multiple Rep. γ Susy‘t Hooft AMC
BF + + + + + +
SD + + - + - -
Thermal + - - - + -
Applicability
Method Fund-Rep Higher Rep. Multiple Rep. γ Susy‘t Hooft AMC
BF + + + + + +
SD + + - + - -
Thermal + - - - + -
Note:
SU(2) Fund.Thermal prediction is not close to SD F.S. 09
Applicability
Progress in Strong Dynamics II:
Progress in Strong Dynamics II:
Lattice
Progress in Strong Dynamics II:
Lattice
Any Rep.
Progress in Strong Dynamics II:
Lattice
Any Rep. Fund. Rep
Progress in Strong Dynamics II:
Catterall, F.S. 07Catterall, Giedt, F.S., Schneible 08Del Debbio, Frandsen, Panagopoulos, F.S. 08Del Debbio, Patella, Pica. 08Hietanen, Rantaharju, Rummukainen, Tuominen 08DeGrand, Shamir, Svetitsky, 08Del Debbio, Patella, Pica, 08
Lattice
Any Rep. Fund. Rep
Progress in Strong Dynamics II:
Catterall, F.S. 07Catterall, Giedt, F.S., Schneible 08Del Debbio, Frandsen, Panagopoulos, F.S. 08Del Debbio, Patella, Pica. 08Hietanen, Rantaharju, Rummukainen, Tuominen 08DeGrand, Shamir, Svetitsky, 08Del Debbio, Patella, Pica, 08
Lattice
Appelquist, Fleming, Neil 07 Deuzman, Lombardo, Pallante 08Fodor, Holland, Kuti, Nogradi, Schroeder, 08
Any Rep. Fund. Rep
Universal Picture
Fund
2A
2S Adj
Ladder
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
Fund
2A
2S Adj
Ladder
γ = 1
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
Fund
2A
2S Adj
Ladder
γ = 1 γ = 2
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
Fund
2A
2S Adj
LadderIwasaki et al.
γ = 1 γ = 2
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
Fund
2A
2S Adj
LadderIwasaki et al.
Appelquist, Fleming, NeilDeuzeman, Lombardo, Pallante
γ = 1 γ = 2
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
Fund
2A
2S Adj
LadderIwasaki et al.
Appelquist, Fleming, NeilDeuzeman, Lombardo, Pallante
γ = 1 γ = 2
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
Fund
2A
2S Adj
Ladder
Catterall, SanninoDel Debbio, Patella,PicaCatterall, Giedt, Sannino, Schneible
Iwasaki et al.
Appelquist, Fleming, NeilDeuzeman, Lombardo, Pallante
γ = 1 γ = 2
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
Fund
2A
2S Adj
Ladder
Catterall, SanninoDel Debbio, Patella,PicaCatterall, Giedt, Sannino, Schneible
Iwasaki et al.
Appelquist, Fleming, NeilDeuzeman, Lombardo, Pallante
×
×
γ = 1 γ = 2
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
Fund
2A
2S Adj
Ladder
Catterall, SanninoDel Debbio, Patella,PicaCatterall, Giedt, Sannino, Schneible
Iwasaki et al.
Appelquist, Fleming, NeilDeuzeman, Lombardo, Pallante
×
×
γ = 1 γ = 2
Shamir, Svetitsky, DeGrand
SU(N) Phase Diagram
Ryttov and F.S. 07All Orders Beta Function
5 6 7 8 9 100
5
10
15
20
N
Nf
A.F.B.F. & γ= 2 SD
SO(N)
SO(N) Phase Diagram
F.S. 09All Orders Beta Function
Sp(2N) Phase Diagram
F.S. 09All Orders Beta Function2 3 4 5 60
5
10
15
20
25
30
35
N
N Wf
A.F. B.F. & γ= 2 SD
SP(2N)
Sensible Models of DEWSB
Minimal Walking Technicolor
SU(3)
SU(2)
U(1)
F.S. + Tuominen 04Dietrich, F.S., Tuominen 05
SU(3)
SU(2)
U(1)
U
D
Gt-up
t-down
t-glue SU(2)
NExtraNeutrino
EExtra Electron
U and D: Adj of SU(2)
F.S. + Tuominen 04Dietrich, F.S., Tuominen 05
MWT Features
The most economical WT theory
MWT Features
The most economical WT theory
Compatible with precision measurements
MWT Features
The most economical WT theory
Compatible with precision measurements
Possible DM candidates and nice Unification
MWT Features
The most economical WT theory
Compatible with precision measurements
Possible DM candidates and nice Unification
Can support 1st order Electroweak Phase Transition
MWT Features
The most economical WT theory
Compatible with precision measurements
Possible DM candidates and nice Unification
Can support 1st order Electroweak Phase Transition
Can support exotic electric charges
MWT Features
The most economical WT theory
Compatible with precision measurements
Possible DM candidates and nice Unification
Can support 1st order Electroweak Phase Transition
Can support exotic electric charges
Lattice studies have begun
MWT Features
MWT effective lagrangian
L(Composites) + L(Mixing with SM) + L(New Leptons) + L(SM−Higgs)
R. Foadi, M. T. Frandsen, Ryttov, F.S. 07
Appelquist, F.S. 99
MWT effective lagrangian
L(Composites) + L(Mixing with SM) + L(New Leptons) + L(SM−Higgs)
R. Foadi, M. T. Frandsen, Ryttov, F.S. 07
Appelquist, F.S. 99
Drell-Yan production of heavy vectors
Vector Boson Fusion production of heavy vectors
Light Composite Higgs can be studied via HW and HZ production
MWT effective lagrangian
L(Composites) + L(Mixing with SM) + L(New Leptons) + L(SM−Higgs)
LHC - Signals
A. Belyaev, R. Foadi, M. T. Frandsen, M. O. Jarvinen, A. Pukhov, F.S. 08
R. Foadi, M. T. Frandsen, Ryttov, F.S. 07
Appelquist, F.S. 99
Ultra Minimal Walking Technicolor
SU(3)
SU(2)
U(1)
Ryttov and F.S. 08
SU(3)
SU(2)
U(1)
U
D
Gt-up
t-down
t-glue SU(2)
λ2λ1t-lambda
U and D: Fund of SU(2)
t-lambdas: Adj of SU(2) Singlet of SM
Weyl FermionsRyttov and F.S. 08
UMT Features
The most economical “2 rep” WT theory
UMT Features
The most economical “2 rep” WT theory
Smallest naive S-parameter & # of fermions
UMT Features
The most economical “2 rep” WT theory
Smallest naive S-parameter & # of fermions
Asymmetric DM candidate visible at the LHC
UMT Features
The most economical “2 rep” WT theory
Smallest naive S-parameter & # of fermions
Asymmetric DM candidate visible at the LHC
Extra Electroweak PT (very exciting)
UMT Features
The most economical “2 rep” WT theory
Smallest naive S-parameter & # of fermions
Asymmetric DM candidate visible at the LHC
Extra Electroweak PT (very exciting)
Rich unexplored Collider Phenomenology
UMT Features
Summary
• DEWSB is very much alive
Summary
• DEWSB is very much alive
• DEWSB Cosmology is exciting
Summary
• DEWSB is very much alive
• DEWSB Cosmology is exciting
• 4D Non-SUSY CFT
Summary
Besides
Besides
S = S(W )TC + SNS
Besides
S = S(W )TC + SNS
Besides
S = S(W )TC + SNS
Offset the first term
Besides
S = S(W )TC + SNS
Offset the first term
SLeptons =16π
[1− 2Y ln
(M1M2
)2+
1 + 8Y20
(mZM1
)2+
1− 8Y20
(mZM2
)2+ O
(m4ZM4i
)]