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<div dir="ltr" style="font-family: Aptos; font-size: 12pt; color: black;">Hi GAPS members!</div>
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<div dir="ltr" style="font-family: Aptos; font-size: 12pt; color: black;">A quick reminder that GAPS hosts a 30-minute chat with the colloquium speaker after each Thursday TRIUMF colloquium. These take place in the MOB Cafeteria, starting directly after the
colloquium. This is a great opportunity for informal chats with the speaker, related to their presentation or anything else you wish to discuss!</div>
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<div dir="ltr" style="font-family: Aptos; font-size: 12pt; color: black;">The first colloquium of the new year is today at 14:00 (GAPS chat will start at ~15:10). You can see the colloquium information below.</div>
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-GAPS Committee</div>
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<b>From: </b>Triumf-seminars <triumf-seminars-bounces@lists.triumf.ca> on behalf of TRIUMF Seminars <triumf-seminars@lists.triumf.ca><br>
<b>Date: </b>Thursday, January 8, 2026 at 06:30<br>
<b>To: </b>mis_alerts <mis_alerts@triumf.ca>, triumf-seminars@lists.triumf.ca <triumf-seminars@lists.triumf.ca><br>
<b>Subject: </b>[Triumf-seminars] TRIUMF Colloquium, Thu Jan 08 2026 at 14:00<br>
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<div class="ms-outlook-mobile-reference-message skipProofing">Date/Time: Thu Jan 08 2026 at 14:00<br>
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Location: Auditorium/Remote<br>
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Speaker: Ethan Cline (MIT)<br>
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Title: Understanding the Proton with MUSE<br>
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Abstract: The MUon Scattering Experiment (MUSE), which takes place in the Paul Scherrer Institute (PSI) at the PiM1 beamline, aims to simultaneously perform elastic ep and �p scattering in order to determine the proton charge radius. MUSE was originally motivated
by the proton charge radius puzzle. However with the beamline and kinematics available to the experiment, MUSE has a broad physics reach. As the experiment has access to both positively and negatively charged leptons, a precise two photon exchange measurement
can be performed for both electrons and muons in the 0.002 < Q2 < 0.08 GeV2 and 0.26 < e < 0.94 regime. The experiment has both a liquid hydrogen target and a carbon target, allowing for a variety of precise cross section measurements. Additionally with access
to p� in the beam it is also possible to measure absolute and relative pion-proton scattering cross sections to high precision with the MUSE detector. In this talk we will discuss the physics reach and the current status of MUSE and the projected uncertainties
for the measurements that will be made. -- Remote Connection: https://ubc.zoom.us/j/67534410622?pwd=R28zPbaFEyHGSkDJDReuH1u7FDFk7U.1 Meeting ID: 675 3441 0622 Passcode: 651088<br>
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bring your own mug!<br>
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Detailed information available can be found at https://www.triumf.ca/research-program/lectures-conferences/upcoming-seminars-lectures<br>
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