[Theory-seminars] Fw: Physics Colloquium Friday, October 27 "Searching for Symmetry Violation with Molecular Ions" - Prof. Matt Grau - Old Dominion University

[Mary Fox]

________________________________
From: Wilkinson, Ellie V <evwilk at wm.edu>
Sent: Monday, October 23, 2023 10:51 AM
To: physics2017 at physics.wm.edu <physics2017 at physics.wm.edu>
Subject: [EXTERNAL] Physics Colloquium Friday, October 27 "Searching for Symmetry Violation with Molecular Ions" - Prof. Matt Grau - Old Dominion University


[A person with a beard and glasses  Description automatically generated]Physics Colloquium
Friday, October 27, 2023
4:00 PM
Small Hall 111



Prof. Matt Grau [Host: S. Aubin]
Old Dominion University

“Searching for Symmetry Violation with Molecular Ions”







Abstract: Molecules have emerged as powerful instruments for conducting precise tests of fundamental symmetries, such as the search for the electron electric dipole moment (eEDM). However, molecules are generally difficult to trap and cool, making it challenging to perform narrow linewidth measurements with long interrogation times without a complicated laser-cooling setup capable of repumping multiple rovibrational levels. Our approach harnesses molecular ions, which offer distinct advantages. They can be readily stored in ion traps for prolonged durations and sympathetically cooled by laser-cooled atomic ions. Notably, atomic lutetium ions are amenable to direct laser cooling, making them ideal candidates to serve as sympathetic coolants and to form pre-cooled molecular ions. Furthermore, Lu-176 boasts one of the largest nuclear electric quadrupole moments of any long-lived isotope, rendering it exceptionally sensitive to the CP-violating nuclear magnetic quadrupole moment (nMQM). I will describe how we can harness these properties in molecular ions containing lutetium, such as LuOH⁺, to probe new physics through the simultaneous investigation of nMQM and eEDM.

Coffee & Cookies will be served in Small Hall 122 at 3:30 p.m.

Open to the public


 Thanks,

Ellie Wilkinson

Administrative Coordinator, Physics

(757) 221-3503

evwilk at wm.edu<mailto:evwilk at wm.edu>

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