conformal dynamics from lhc to cosmologypyweb.swan.ac.uk/~pybl/largentalks/sannino.pdfprogress in...

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


L(H)→ −14F aµνF aµν + i Q̄γ

µDµQ + · · ·


Dots are partially fixed by Anomalies as well as other principles


µDµQ + · · ·


Dots are partially fixed by Anomalies as well as other principles


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.

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

Appelquist, Bowick, Chivukula, Cohen, Eichten, Georgi, Hill, Holdom, Karabali, Lane, Mahanta, Miransky, Shrock, Simmons, Terning, Wijewardhana, Yamawaki

S in Walking Technicolor


Appelquist, F.S.SWTC < STC


We will take as an estimate:



We will take as an estimate:


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



TB number like the B number




At most EW-type cross sections





EW scale and interactions built in







Nussinov, 86Barr - Chivukula - Farhi 90Sarkar 96Gudnason - Kouvaris - F.S. 06






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


mTBmp

≈ 1 TeV1 GeV

= 103

TB

B∝ exp

[−mTB(T

∗)T ∗

]∼ 10−3


mTBmp

≈ 1 TeV1 GeV

= 103

TB

B∝ exp

[−mTB(T

∗)T ∗

]∼ 10−3 T ∗ ∼ 200 GeV


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


Matter Representation

Gauge Theory Knobs



# of Flavors per Representation

Gauge Theory Knobs




Temperature

Gauge Theory Knobs




Matter Density (i.e. Chemical Potential)

Temperature

Progress in Strong Dynamics


Analytically observed a universal picture


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



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


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.



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.



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:


Lattice


Lattice

Any Rep.


Lattice

Any Rep. Fund. Rep


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


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


Fund

2A

2S Adj

Ladder

γ = 1 γ = 2

SU(N) Phase Diagram


Fund

2A

2S Adj

LadderIwasaki et al.

γ = 1 γ = 2

SU(N) Phase Diagram


Fund

2A

2S Adj

LadderIwasaki et al.

Appelquist, Fleming, NeilDeuzeman, Lombardo, Pallante

γ = 1 γ = 2

SU(N) Phase Diagram


Fund

2A

2S Adj

Ladder

Catterall, SanninoDel Debbio, Patella,PicaCatterall, Giedt, Sannino, Schneible

Iwasaki et al.


γ = 1 γ = 2

SU(N) Phase Diagram


Fund

2A

2S Adj

Ladder


Iwasaki et al.


×

×

γ = 1 γ = 2

SU(N) Phase Diagram


Fund

2A

2S Adj

Ladder


Iwasaki et al.


×

×

γ = 1 γ = 2

Shamir, Svetitsky, DeGrand

SU(N) Phase Diagram


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


Compatible with precision measurements

MWT Features



Possible DM candidates and nice Unification

MWT Features




Can support 1st order Electroweak Phase Transition

MWT Features





Can support exotic electric charges

MWT Features





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

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


Smallest naive S-parameter & # of fermions

UMT Features



Asymmetric DM candidate visible at the LHC

UMT Features




Extra Electroweak PT (very exciting)

UMT Features




Extra Electroweak PT (very exciting)

Rich unexplored Collider Phenomenology

UMT Features

Summary

• DEWSB is very much alive

Summary


• DEWSB Cosmology is exciting

Summary


• DEWSB Cosmology is exciting

• 4D Non-SUSY CFT

Summary

Besides

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

)]

conformal dynamics from lhc to cosmologypyweb.swan.ac.uk/~pybl/largentalks/sannino.pdfprogress in...

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