Physics of fundamental Symmetries and Interactions - PSI2013

Session

Th - 1

12 Sept 2013, 08:45

Conveners

Th - 1

• Session Chair: Kazimierz Bodek (Jagiellonian University, Institute of Physics)

99. CP violation and precision measurement of CKM parameters at LHCb

Dr Fred Blanc (EPFL)

12/09/2013, 08:50

Oral

Heavy-flavour hadrons allow the study of discrete symmetries, most notably of CP violation, but also T, CPT, as well as lepton and hadron flavour symmetries. The LHCb experiment is a general purpose forward spectrometer operating at the Large Hadron Collider, optimised for the study of B and D hadrons. LHCb has collected an integrated luminosity of 3fb-1, which provides an unprecedented large...

70. Low-energy precision tests of spacetime symmetries

Ralf Lehnert (Indiana University Center for Spacetime Symmetries)

12/09/2013, 09:10

Oral

Recent experimental advances have opened an avenue for the study of spacetime symmetries at distance scales beyond the Planck length. This talk provides some theoretical motivations for such investigations, discusses the prediction of experimental effects, and reviews some low-energy tests in this research field.

4. Limit on Lorentz and CPT Violation of the Bound Neutron Using a Free Precession 3He/129Xe Co-magnetometer

Prof. Werner Heil (Institute of Physics)

12/09/2013, 09:30

Oral

W. Heil_1, F. Allmendinger_3, M. Burghoff_2, S. Karpuk_1, W. Kilian_2,S. Knappe-Grueneberg_2, U. Schmidt_3, A. Schnabel_2, F. Seifert_2, Yu. Sobolev_1, L. Trahms_2, K. Tullney_1 1-Institut für Physik, Johannes Gutenberg-Universität, 55099 Mainz, Germany 2-Physikalische-Technische-Bundesanstalt Berlin, 10587 Berlin, Germany 3-Physikalisches Institut, Universiät Heidelberg, 69120 Heidelberg,...

77. Search for axion like pseudo scalar spin interaction with a 3He-129Xe clock comparison experiment.

Dr Ulrich Schmidt (Physikalisches Institut der Uni Heidelberg)

12/09/2013, 09:50

Oral

We search for a spin-dependent P- and T-violating nucleon-nucleon interaction mediated by light pseudoscalar bosons such as axions or axion-like particles. While axions are originally invented to solve the strong CP-problem, nowadays interest in axions is boosted by the fact, the axion is a candidate for dark matter. We performed an ultra-sensitive clock comparison experiment based on the...

5. Tests of Lorentz symmetry in neutron decay

Jorge S Diaz (Indiana University)

12/09/2013, 10:05

Oral

Lorentz invariance is a cornerstone of modern physics. As the spacetime symmetry of special relativity, Lorentz symmetry is a basic component of the standard model of particle physics and general relativity, which to date constitute our most successful descriptions of nature. In this talk, I will describe how Lorentz invariance can be tested in the decay of polarized and unpolarized neutrons.