-
Leah Broussard (Oak Ridge National Laboratory)12/06/2018, 16:30
With precise determinations of the lifetime and angular correlations in the decay of the neutron, we can characterize the left-handed nature of the weak interaction and search for the influence of new interactions. The Nab experiment's primary goal is to determine the ratio of the hadronic axial-vector and vector form factors with a goal sensitivity of $\delta\lambda/\lambda\sim0.03\%$, which...
Go to contribution page -
Prof. Dan Melconian (Texas A&M University)12/06/2018, 16:50Talk
Nuclear beta decay has a long-standing history of shaping and testing the standard model of particle physics, and it continues to this day with elegant, ultra-precise low-energy nuclear measurements. Experiments observing the angular correlations between the electron, neutrino and recoil momenta following nuclear beta decay can be used to search for exotic currents contributing to the...
Go to contribution page -
Lorenz Willmann (University of Groningen/ NL)12/06/2018, 17:20Talk
Searches for violations of the fundamental discrete symmetries parity (P), time reversal (T) and charge conjugation (C) provide guidelines for model building beyond the Standard Model of the electroweak interactions (SM).
Go to contribution page
Measurements of atomic parity violation (APV) provide a test the electroweak interactions at low energies, while other experiments like searches for permanent electric... -
Dionysios Antypasa (Helmholtz-Institut Mainz, Mainz, Germany)12/06/2018, 17:50Talk
In the study of electroweak interactions, atomic parity violation (PV) experiments form a powerful tool, providing valuable information about the Standard Model and low-energy nuclear physics. Ytterbium (Yb) and dysprosium (Dy) are good systems for such studies, due to their strong PV effect (to be confirmed for Dy) and the availability of many stable isotopes. This brings within reach the...
Go to contribution page -
Frank Maas (H)13/06/2018, 09:00Talk
The P2 experiment aims for a new, high precision determination of the weak mixing angle
Go to contribution page
at low momentum transfer. The expected accuracy is around
0.15% which is comparable to the existing most precise measurements at the
Z pole. The experimental method is the measurement of the parity violating
asymmetry in the cross section of the elastic scattering of polarized electrons
off unpolarized... -
Christopher Crawford (University of Kentucky)13/06/2018, 09:30Talk
Parity violation (PV), first observed in semileptonic decays, has been determined precisely for quarks and leptons as part of the standard model. At the hadronic level, it offers a unique probe of nucleon structure and the underlying low-energy behavior of non-perturbative QCD. The hadronic weak interaction is characterized in terms of five spin and isospin dependent S-P transition...
Go to contribution page -
Dr Libertad Barrón-Palos (Universidad Nacional Autónoma de México)13/06/2018, 10:00Talk
NPDGamma is an experimental collaboration which for over 20 years has made an effort in research and development to measure the parity-violating gamma-ray asymmetry in the capture of polarized low-energy neutrons on hydrogen. This asymmetry is dominated by a $\Delta I=1$ ${}^{3}S_{1}-{}^{3}P_{1}$ parity-odd transition in the $n-p$ system. In the more traditional theoretical framework, the...
Go to contribution page -
Mark Pitt (Virginia Tech)14/06/2018, 14:00Talk
The Qweak experiment precisely measures the proton's weak charge using parity-violating elastic electron scattering from the proton at Jefferson Laboratory. The Standard Model makes a firm prediction for the proton's weak charge, thus providing a sensitive test for new physics beyond the Standard Model. This talk will cover the measurement methodology, key technical challenges, and the most...
Go to contribution page -
Dr Mukut Ranjan Kalita (TRIUMF)14/06/2018, 14:30Talk
We are developing experiments to study parity nonconservation effects in neutral francium atoms at the ISAC radioactive beam facility at TRIUMF. We are using laser cooling and trapping techniques to prepare the atoms for our measurements and our current effort is based on optical spectroscopy of Stark induced 7s-8s atomic transitions aiming at Standard Model test of the strength of the...
Go to contribution page -
Mr Ben Ohayon (Racah Institute of Physics)14/06/2018, 14:55Talk
In this talk I will review the current status of the radioisotopes trapping program at the Soreq Applied Research Accelerator Facility (SARAF), and prospects for measurements at the upgraded accelerator: SARAF-II.
In our new lab complex, situated above the SARAF target room, we utilize two systems: An electrostatic-ion-beam-trap,designed for trapping various radioactive ions, starting with...
Go to contribution page
Choose timezone
Your profile timezone: