Nuclear Physics & Astrophysics at CERN - NuPAC

Session

Standard model tests

StandardMod

11 Oct 2005, 13:30

503-1-001: SALLE DU CONSEIL (CERN)

18. Superallowed Nuclear Beta Decays and CKM Unitarity

Dr William Marciano (BNL)

11/10/2005, 13:30

Standard model tests

Invited oral contribution

A new method for computing hadronic effects on electroweak radiative corrections to low energy semileptonic weak interaction processes is described. Applying this approach to the extraction of the quark mixing matrix element Vud, Alberto Sirlin and I find from superallowed nuclear beta decay Vud = 0.97377(27). Combining that result with recent determinations of Vus from kaon decays...

19. Precision mass measurements, experimental aspects

Dr Klaus Blaum (Univeristy of Mainz)

11/10/2005, 14:00

Standard model tests

Invited oral contribution

Like few other parameters, the mass of an atom, and its inherent connection with the atomic and nuclear binding energy is a fundamental property, a unique fingerprint of the atomic nucleus. Each nuclide comes with its own mass value different from all others. For short-lived exotic atomic nuclei the importance of its mass ranges from the verification of nuclear models to a test of the...

20. Beta-decay correlation measurements

Dr Oscar Naviliat-Cuncic (LPC)

11/10/2005, 14:20

Standard model tests

Invited oral contribution

Precision measurements of correlation observables in nuclear beta decay constitute a sensitive tool to search for signatures of new physics beyond the standard electroweak model. Over the past decade, measurements in nuclear and neutron decays provided new constraints on the possible presence of exotic weak couplings as well as new tests of maximal parity violation and time reversal...