Seminar by Prof. Drewsen, Friday 13th

[Infopoint]

I write as a PhD student of Prof. Bassi, to inform you that this Friday, 
May 13th, we will host Prof. Michael Drewsen from Denmark for a seminar 
on his current research. The seminar will be in Room D at ICTP at 14.00.

I copy the abstract here below (also in the Word file):

Speaker:
Prof. Michael Drewsen, Aarhus University, Denmark
Title:
Bounds to the coupling of bosons beyond the Standard Model to atoms 
through precise isotope shift measurements
Abstract
By combining high-resolution spectroscopy of the 3d 2D3/2 − 3d 2D5/2 
interval with an accuracy of ∼20 Hz using direct frequency-comb Raman 
spectroscopy with isotope shift measurements of the 4s 2S1/2 ↔ 3d 2D5/2 
transition in all stable even isotopes of ACa+ (A = 40, 42, 44, 46, and 
48), we have been able to carry out a King plot analysis with 
unprecedented sensitivity to coupling between electrons and neutrons by 
bosons beyond the Standard Model.
Furthermore, we estimate that by improved spectroscopic techniques 
available, King plots based on data from spectroscopy on either Ca+, Ba+ 
and Yb+ ions should be able to produce sensitivity to such potentially 
new bosons, which surpass other current methods in a broad mass range of 
10 to 108 eV/c2.

Info: Friday 13th May, at 14.00; Room D in ICTP.

Thank you,
Best regards,

Francesco Cesa