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<b><span style="font-size:48.0pt">Physics Seminar</span></b></p>
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<span><b><span style="font-size:24.0pt">David Flay</span></b></span></p>
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<b><span style="font-size:24.0pt;mso-fareast-font-family:"Times New Roman"">University of Massachusetts, Amherst</span></b></p>
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<b><span style="font-size:14.0pt;font-family:"Times New Roman",serif;mso-bidi-font-family:
"Arial Unicode MS""><o:p> </o:p></span></b></p>
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<i><span style="font-size:20.0pt;font-family:
"Times New Roman",serif;mso-bidi-font-family:"Arial Unicode MS";mso-bidi-font-weight:
bold">High-Precision Measurements of Muon g-2 at Fermilab</span></i><i><span style="font-size:20.0pt;font-family:
"Times New Roman",serif;mso-fareast-font-family:"Times New Roman";mso-bidi-font-weight:
bold"></span></i></p>
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<span style="font-size:14.0pt;font-family:"Times New Roman",serif;mso-bidi-font-family:
"Arial Unicode MS""><o:p> </o:p></span></p>
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<b><span style="font-size:18.0pt;font-family:
"Times New Roman",serif;mso-bidi-font-family:"Arial Unicode MS"">Abstract:</span></b></p>
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<b><span style="font-size:14.0pt;font-family:
"Times New Roman",serif;mso-fareast-font-family:"Times New Roman""><o:p> </o:p></span></b></p>
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<span style="font-size:14.0pt;font-family:"Times New Roman",serif;mso-bidi-font-family:
"Arial Unicode MS"">The anomalous magnetic moment of the muon, characterized as the anomaly a<sub>$B&L(B
</sub>$B"a(B (g-2)/2, remains a compelling hint of physics beyond the Standard Model (BSM) in light of the Brookhaven E821 measurement from the early 2000s, which differs with theoretical predictions by >3$B&R(B.<span style="mso-spacerun:yes">
</span>To address this discrepancy, the Muon g-2 Experiment at Fermilab (E989) has been designed to determine a<sub>$B&L(B</sub> to a precision of 140 parts per billion, a four-fold improvement over the E821 measurement.<span style="mso-spacerun:yes">
</span>This improved precision presents an excellent opportunity to uncover BSM physics, and at minimum constrain BSM prescriptions.</span><span style="font-size:14.0pt;font-family:
"Times New Roman",serif;mso-fareast-font-family:"Times New Roman""></span></p>
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<span style="font-size:14.0pt;font-family:"Times New Roman",serif;mso-fareast-font-family:
"Times New Roman""><o:p> </o:p></span></p>
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<span style="font-size:14.0pt;font-family:"Times New Roman",serif;mso-bidi-font-family:
"Arial Unicode MS"">To date, the E989 experiment has completed its first two physics runs, recording more than 3 times the statistics recorded in the E821
</span><span style="font-size:14.0pt;font-family:"Times New Roman",serif;mso-bidi-font-family:
"Arial Unicode MS";mso-ansi-language:PT" lang="PT">experiment.<span style="mso-spacerun:yes">
</span></span><span style="font-size:14.0pt;
font-family:"Times New Roman",serif;mso-bidi-font-family:"Arial Unicode MS"">A third physics run started in November 2019, with the goal of accumulating a factor of three more data than the previous runs combined,
resulting in an order of magnitude more statistics than the Brookhaven measurement.<span style="mso-spacerun:yes">
</span>An overview of the experimental technique will be discussed, along with a summary of the physics operations running to date.<span style="mso-spacerun:yes">
</span>Additionally, an update on the analysis of the Run 1 data will be presented.</span></p>
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<b><span style="font-size:18.0pt">Thursday, January 16, 2020</span></b></p>
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<b><span style="font-size:18.0pt">9:00am</span></b></p>
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<b><span style="font-size:18.0pt">CEBAF Center L102</span></b></p>
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