Physics Colloquium, "New opportunities in dark matter at accelerators"

Presented by: Nhan Tran, Fermilab

Abstract: The program to search for dark matter in the past couple of decades has mostly focused on the WIMP (weakly interacting massive particle) at the GeV - TeV scale. It has made impressive strides in sensitivity but has yet to unearth the particle nature of dark matter. Recently there have been many new initiatives to broaden the search for dark matter, many of them smaller scale experiments. Recently, within the US, there has been an effort to organize and contrast various experimental techniques and their sensitivity. One of the main thrusts of this dark matter initiative is to extend searches for dark matter below a GeV using accelerator techniques. I will discuss the status of this dark matter initiative and focus on the opportunities for dark matter at accelerators. I will lay out the various accelerator approaches to look for sub-GeV dark matter including beam dump and fixed target missing momentum techniques. As a specific example, I will go into detail on the missing momentum technique effort in which I am involved. 

Host: Keith Ulmer

Coffee, tea, and cookies will be available starting at 3:45 p.m., in DUAN G1B31.

Wednesday, April 10 at 4:00pm to 5:00pm


Duane Physics and Astrophysics, G1B20
2000 Colorado Avenue, Boulder, CO 80309

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