# Presentation: 775734

## Probing the Fundamental Symmetriesof the Early Universe

- PANIC 05	Sante Fe

*The Low Energy Frontier*

*J. Erler & M. R-M, Prog Nucl. Part. Phys. ****54****, 351 (2005). *

## Fundamental Symmetries & Cosmic History

-  *What were the fundamental symmetries **	**that governed the microphysics of **	**	**the early universe?*
* **What insights can low energy (E << M**Z**) **	**precision electroweak studies**	**	**	**provide?*

## Fundamental Symmetries & Cosmic History

***Fundamental Symmetries & Cosmic History***

## Fundamental Symmetries & Cosmic History

***Fundamental Symmetries & Cosmic History***

## Fundamental Symmetries & Cosmic History

***Fundamental Symmetries & Cosmic History***

## Fundamental Symmetries & Cosmic History

***Fundamental Symmetries & Cosmic History***

## Fundamental Symmetries & Cosmic History

***What is the origin of matter ?***

*Thanks to M. Trodden*

## Fundamental Symmetries & Cosmic History

***What is the origin of matter ?***

***Fundamental Symmetries & Cosmic History***

## Fundamental Symmetries & Cosmic History

***What is the origin of matter ?***

## There must have been additional symmetries in the earlier Universe to

-  **Unify all matter, space, & time**
** ****Stabilize the weak scale**
** ****Produce all the matter that exists**

** ****Account for neutrino properties**
** ****Give self-consistent quantum gravity**

## What are the new fundamental symmetries?

**Two frontiers in the search**

- Collider experiments (pp, e+e-, etc) at higher energies (E >> MZ)

- Indirect searches at lower energies (E < MZ)  but high precision

**High energy physics**

**Particle, nuclear & atomic physics**

## What are the new fundamental symmetries?

*Why is there more matter than antimatter in the present universe?*
*What are the unseen forces that disappeared from view as the universe cooled? *
*What are the masses of neutrinos and how have they shaped the evolution of the universe?*

*Electric dipole moment searches*

*Precision electroweak: weak decays, scattering, LFV*

*Neutrino oscillations, 0****-decay, ****13** , ...*

*Tribble report*

## EDMs & Baryogenesis

- Sakharov Criteria

-  B violation
-  C & CP violation
-  Nonequilibrium 		dynamics

*Sakharov, 1967*

## Baryogenesis: New Electroweak Physics

- Unbroken phase

- CP Violation

*90’s: **	**Cohen, Kaplan, Nelson**                    **	**Joyce, Prokopec,  Turok*

## EDM Probes of New CP Violation

## Present n-EDM limit

**Present n-EDM limit**

**Proposed n-EDM limit**

**“****n-EDM has killed more theories than any other single experiment”**

** **

** **

** **

*M. Pendlebury  B. Filippone*

**Matter-Antimatter**
**Asymmetry in **
** ****the Universe**

**?**

*Riotto; Carena et al.;    Lee, Cirigliano, R-M, Tulin*

## EDM constraints & SUSY CPV

*Non-equilibrium QFT*

## Leptogenesis

## Weak decays

## Weak decays & new physics

## Weak decays

## Weak decays

## Weak decays

## Weak decays

## Weak decays

## CKM Summary: PDG04

**UCNA**

## CKM Summary: New Vus & n ?

**New ********n**** !!**

**UCNA**

## Muon Decay: Michel Parameters

## Muon Decay: Michel Parameters

*Model Independent Analysis*

*Model Dependent Analysis*

*2005 Global fit: Gagliardi et al.*

## Lepton Flavor & Number Violation

- MEG: *B****!**e**** ~ *5 x 10-14

- MECO: *B****!**e** ~ *5 x 10-17

*Also PRIME*

## Lepton Flavor & Number Violation

- MEG: *B****!**e**** ~ *5 x 10-14

- MECO: *B****!**e** ~ *5 x 10-17

- Logarithmic enhancements of *R*

*Raidal, Santamaria; **	**Cirigliano, Kurylov, R-M, Vogel*

## Lepton Scattering & New Symmetries 

- Parity-Violating electron scattering

## Weak Mixing Angle: Scale Dependence

**Weak Mixing Angle: Scale Dependence**

- Czarnecki, Marciano Erler, Kurylov, R-M

- SLAC E158 (ee)

## Comparing Qwe and QWp

*****SUSY dark matter*

- Kurylov, R-M, Su

## Comparing Qwe and QWp

*****SUSY dark matter*

- Kurylov, R-M, Su

## Conclusions

* **Precision tests of fundamental symmetries and **	**	**studies of neutrino properties -- together with **	**	**careful theoretical analysis -- are providing a **	**	**powerful probe of the fundamental symmetries **	**	**of the early universe*
* **The information obtained from these studies **	**	**	**complements what we learn from high energy **	**	**collider experiments*
* **We can look forward to many interesting experimental**	**results and theoretical developments*

## Ke3 decays: current status

*G. Isidori, CKM 2005*

## Ke3 decays: current status

*G. Isidori, CKM 2005*