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<b><span style="font-size:28.0pt;font-family:"Times New Roman",serif" class="ContentPasted1">Hybrid Physics Division Seminar<o:p class="ContentPasted1"> </o:p></span></b></p>
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<b><span style="font-size:22.0pt;font-family:"Times New Roman",serif;mso-fareast-font-family:"Times New Roman"" class="ContentPasted1">Shawn Dubey<o:p class="ContentPasted1"> </o:p></span></b></p>
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<b><span style="font-size:22.0pt;font-family:"Times New Roman",serif;mso-fareast-font-family:"Times New Roman"" class="ContentPasted1">University of Hawaii<o:p class="ContentPasted1"> </o:p></span></b></p>
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<i><span style="font-size: 18pt; color: rgb(36, 36, 36);" class="ContentPasted1">Machine Learning for New Physics in B → K</span></i><i><span style="font-size: 18pt; font-family: "Cambria Math", serif; color: rgb(36, 36, 36);" class="ContentPasted1">∗</span></i><i><span style="font-size: 18pt; color: rgb(36, 36, 36);" class="ContentPasted1">μ+μ−
Decays</span></i><b><i><span style="font-size:18.0pt;mso-fareast-font-family:"Times New Roman"" class="ContentPasted1">
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<b><span style="font-size:18.0pt;mso-fareast-font-family:"Times New Roman"" class="ContentPasted1">Abstract:</span></b><o:p class="ContentPasted1"> </o:p></p>
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<span style="font-size: 16pt; font-family: "Times New Roman", serif; color: rgb(36, 36, 36);" class="ContentPasted1">We report the status of a neural network regression<br class="ContentPasted1">
model trained to extract new physics (NP) parame-<br class="ContentPasted1">
ters in Monte Carlo (MC) data. We utilize a new<br class="ContentPasted1">
EvtGen NP MC generator to generate B → K</span><span style="font-size: 16pt; font-family: "Cambria Math", serif; color: rgb(36, 36, 36);" class="ContentPasted1">∗</span><span style="font-size: 16pt; font-family: "Times New Roman", serif; color: rgb(36, 36, 36);" class="ContentPasted1">μ+μ−<br class="ContentPasted1">
events according to the deviation of the Wilson Co-<br class="ContentPasted1">
efficient C9 from its SM value, δC9, for different δC9<br class="ContentPasted1">
values. We train a three-dimensional ResNet regres-<br class="ContentPasted1">
sion model, using images built from the the angular<br class="ContentPasted1">
observables and the square of the invariant mass of<br class="ContentPasted1">
the di-muon system, to extract values of δC9 directly<br class="ContentPasted1">
from MC data samples. This work is intended for fu-<br class="ContentPasted1">
ture analyses at the Belle II experiment but may also<br class="ContentPasted1">
find applicability at other experiments.<o:p class="ContentPasted1"> </o:p></span></p>
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<span style="font-size:20.0pt;font-family:"Times New Roman",serif" class="ContentPasted1">May 15<sup class="ContentPasted1">th</sup> @ 11 AM – 12 PM<o:p class="ContentPasted1"> </o:p></span></p>
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<span style="font-size:20.0pt;font-family:"Times New Roman",serif" class="ContentPasted1">CEBAF Center Auditorium
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<a href="https://jlab-org.zoomgov.com/j/1600656386?pwd=L2NYbWlITkZzSjc4NGl0eXFsTURLdz09" class="ContentPasted1"><b><span style="font-size:16.0pt">Zoom Link Here</span></b></a><b><span style="font-size:16.0pt"><o:p class="ContentPasted1"> </o:p></span></b></p>
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<span style="font-size: 10pt; font-family: Corbel, sans-serif; margin: 0px; color: black;">Jennifer McAllister</span><span style="font-family: Calibri, sans-serif; margin: 0px; color: black;"></span></p>
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<p style="font-size:12pt;font-family:"Times New Roman", serif;margin:0px"><i><span style="font-size:10pt;font-family:"Calibri Light", sans-serif;margin:0px">Administrative Support - Physics Division</span></i></p>
<p style="font-size:12pt;font-family:"Times New Roman", serif;margin:0px"><b><span style="font-size: 10pt; font-family: "Calibri Light", sans-serif; margin: 0px; color: black;">Thomas Jefferson National Accelerator Facility<span> </span></span></b><a href="https://www.jlab.org/" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" title="https://www.jlab.org/" data-linkindex="0" style="margin:0px"><b><span style="font-size:10pt;font-family:"Calibri Light", sans-serif;margin:0px">www.jlab.org</span></b></a><span style="font-family: Calibri, sans-serif; margin: 0px; color: black;"></span></p>
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