ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR TESTS OF FUNDAMENTAL PHYSICS TESTS OF FUNDAMENTAL PHYSICS TESTS OF FUNDAMENTAL PHYSICS TESTS OF FUNDAMENTAL PHYSICS ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR TESTS OF FUNDAMENTAL PHYSICS TESTS OF FUNDAMENTAL PHYSICS TESTS OF FUNDAMENTAL PHYSICS TESTS OF FUNDAMENTAL PHYSICS 10th International Colloquium on 10th International Colloquium on Atomic Spectra and Oscillator Strengths Atomic Spectra and Oscillator Strengths for Astrophysical and Laboratory Plasmas for Astrophysical and Laboratory Plasmas August 5, 2010 MARIANNA SAFRONOVA MARIANNA SAFRONOVA MARIANNA SAFRONOVA MARIANNA SAFRONOVA MARIANNA SAFRONOVA MARIANNA SAFRONOVA MARIANNA SAFRONOVA MARIANNA SAFRONOVA
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ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR
TESTS OF FUNDAMENTAL PHYSICSTESTS OF FUNDAMENTAL PHYSICSTESTS OF FUNDAMENTAL PHYSICSTESTS OF FUNDAMENTAL PHYSICS
ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR ATOMIC CALCULATIONS FOR
TESTS OF FUNDAMENTAL PHYSICSTESTS OF FUNDAMENTAL PHYSICSTESTS OF FUNDAMENTAL PHYSICSTESTS OF FUNDAMENTAL PHYSICS
10th International Colloquium on10th International Colloquium on
Atomic Spectra and Oscillator StrengthsAtomic Spectra and Oscillator Strengths
for Astrophysical and Laboratory Plasmasfor Astrophysical and Laboratory Plasmas
PARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMS
IN THE NUCLEUS IN THE NUCLEUS IN THE NUCLEUS IN THE NUCLEUS
e
e
q
qZ0
a
Nuclear anapole
moment
Nuclear anapole
moment
PARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMS
(1) This is the most accurate to-date test of the low-energy electroweak sector of the SM.
(2) Confirms fundamental “running” (energy dependence) of the electroweak force: the interaction strength of particles depends on their relative collision energy E.
(3) Constraints are placed on a variety of new physicsscenarios beyond the SM (for example, limits the masses of extra Z-bosons predicted by models of grand unification and string theories).
PARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMSPARITY VIOLATION IN ATOMS
elementary particle or atom to possess a permanent
EDM.
S
d
S
dt t→ −
→ −
→
S S
d d
� �
� �
0
dS
d
=
=
Sd
�
�
EDM AND NEW PHYSICSEDM AND NEW PHYSICSEDM AND NEW PHYSICSEDM AND NEW PHYSICSEDM AND NEW PHYSICSEDM AND NEW PHYSICSEDM AND NEW PHYSICSEDM AND NEW PHYSICS
Many theories beyond the Standard Model predict EDM within or just beyond the present experimental capabilities.
10-40
10-39
10-34
10-33
10-32
10-31
10-30
10-29
10-28
10-27
10-26
10-25
de (e⋅cm)
Naïve SUSY
Multi-Higgs
Heavy sFermions
Standard Model
Left-Right Symmetric
Accidental Cancellations
ExtendedTechnicolor
Yale I(projected)
Yale II(projected)
~
Berkeley(2002)
ExactUniversality
Split SUSY
Seesaw Neutrino Yukawa Couplings
Lepton Flavor-Changing
Approx. Universality
Approx. CP
SO(10) GUT
Alignment
10-40
10-39
10-34
10-33
10-32
10-31
10-30
10-29
10-28
10-27
10-26
10-25
de (e⋅cm)
Naïve SUSY
Multi-Higgs
Heavy sFermions
Standard Model
Left-Right Symmetric
Accidental Cancellations
ExtendedTechnicolor
Yale I(projected)
Yale II(projected)
~
Berkeley(2002)
ExactUniversality
Split SUSY
Seesaw Neutrino Yukawa Couplings
Lepton Flavor-Changing
Approx. Universality
Approx. CP
SO(10) GUT
Alignment
David DeMille, Yale
PANIC 2005
ATOMIC CALCULATIONS AND SEARCH FOR EDM ATOMIC CALCULATIONS AND SEARCH FOR EDM ATOMIC CALCULATIONS AND SEARCH FOR EDM ATOMIC CALCULATIONS AND SEARCH FOR EDM ATOMIC CALCULATIONS AND SEARCH FOR EDM ATOMIC CALCULATIONS AND SEARCH FOR EDM ATOMIC CALCULATIONS AND SEARCH FOR EDM ATOMIC CALCULATIONS AND SEARCH FOR EDM
EDM effects are enhanced in some heavy atoms
and molecules.
Theory is needed to calculate enhancement factors
and search for new systems for EDM detection.
Recent new limit on the EDM of 199Hg
Phys. Rev. Lett. 102, 101601 (2009)
| d(199Hg) | < 3.1 x 10-29 e cm
ATOMIC CALCULATIONS AND VARIATION OF ATOMIC CALCULATIONS AND VARIATION OF ATOMIC CALCULATIONS AND VARIATION OF ATOMIC CALCULATIONS AND VARIATION OF
FUNDAMENTAL CONSTANTS FUNDAMENTAL CONSTANTS FUNDAMENTAL CONSTANTS FUNDAMENTAL CONSTANTS
ATOMIC CALCULATIONS AND VARIATION OF ATOMIC CALCULATIONS AND VARIATION OF ATOMIC CALCULATIONS AND VARIATION OF ATOMIC CALCULATIONS AND VARIATION OF
FUNDAMENTAL CONSTANTS FUNDAMENTAL CONSTANTS FUNDAMENTAL CONSTANTS FUNDAMENTAL CONSTANTS
(1) Astrophysical constraints on variation of α:Study of quasar absorption spectra
Blackbody Radiation Shifts and Theoretical Contributions to Atomic Clock Research, M. S. Safronova, Dansha Jiang, Bindiya Arora, Charles W. Clark, M. G. Kozlov, U. I. Safronova, and W. R. Johnson, in press, Special Issue of IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control (2010).
MOTIATION: NEXT MOTIATION: NEXT MOTIATION: NEXT MOTIATION: NEXT
THEORY: EVALUATION OF THE THEORY: EVALUATION OF THE THEORY: EVALUATION OF THE THEORY: EVALUATION OF THE
UNCERTAINTYUNCERTAINTYUNCERTAINTYUNCERTAINTY
THEORY: EVALUATION OF THE THEORY: EVALUATION OF THE THEORY: EVALUATION OF THE THEORY: EVALUATION OF THE
UNCERTAINTYUNCERTAINTYUNCERTAINTYUNCERTAINTY
HOW TO ESTIMATE WHAT YOU DO NOT KNOW?HOW TO ESTIMATE WHAT YOU DO NOT KNOW?
I. Ab initio calculations in different approximations:
(a) Evaluation of the size of the correlation corrections
(b) Importance of the high-order contributions(c) Distribution of the correlation correction
II. Semi-empirical scaling: estimate missing terms
EXAMPLE:EXAMPLE:EXAMPLE:EXAMPLE:
QUADRUPOLEQUADRUPOLEQUADRUPOLEQUADRUPOLE MOMENT OF MOMENT OF MOMENT OF MOMENT OF
3D3D3D3D5/25/25/25/2 STATE IN CSTATE IN CSTATE IN CSTATE IN Ca++++
EXAMPLE:EXAMPLE:EXAMPLE:EXAMPLE:
QUADRUPOLEQUADRUPOLEQUADRUPOLEQUADRUPOLE MOMENT OF MOMENT OF MOMENT OF MOMENT OF
3D3D3D3D5/25/25/25/2 STATE IN CSTATE IN CSTATE IN CSTATE IN Ca++++
Electric quadrupole moments of metastable states of Ca+, Sr+, and Ba+, Dansha Jiang and Bindiya Arora and
M. S. Safronova, Phys. Rev. A 78, 022514 (2008)
Coupled-cluster SD (CCSD)
1.822
All order (SDpT)
1.837
All order (SD)
1.785
Third order
1.610
Lowest order
2.451
3D3D3D3D5/25/25/25/2 QUADRUPOLE MOMENT IN CAQUADRUPOLE MOMENT IN CAQUADRUPOLE MOMENT IN CAQUADRUPOLE MOMENT IN CA++++3D3D3D3D5/25/25/25/2 QUADRUPOLE MOMENT IN CAQUADRUPOLE MOMENT IN CAQUADRUPOLE MOMENT IN CAQUADRUPOLE MOMENT IN CA++++
Estimateomittedcorrections
All order (SD), scaled 1.849All-order (CCSD), scaled 1.851All order (SDpT) 1.837All order (SDpT), scaled 1.836
Third order
1.610
Final results: 3d5/2 quadrupole momentFinal results: 3d5/2 quadrupole moment
Lowest order
2.454
1.849 (13)1.849 (13)
Experiment1.83(1)
Experiment1.83(1)
Experiment: C. F. Roos, M. Chwalla, K. Kim, M. Riebe, and R. Blatt, Nature 443, 316 (2006).