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<span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: black; background-color: white;">Dear all, </span></div>
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</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36); background-color: white;">Tomorrow, at 1pm<span> </span></span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36); background-color: rgb(255, 255, 255);">EST</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36); background-color: white;">,
we will have a<span> </span></span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36); background-color: rgb(255, 255, 255);">hybrid</span><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(0, 0, 0); background-color: white;"> seminar
given by<span> </span></span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(32, 32, 32); background-color: rgb(255, 255, 255);">Peter Blunden of Manitoba University</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> in
CC L102 and</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36); background-color: white;"> </span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36); background-color: rgb(255, 255, 255);">on
the Zoom for Government link: </span></div>
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<span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: black;">Please see below for the title and abstract. </span></div>
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<div style="text-align: left; margin: 0px; background-color: white;"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(0, 0, 0);"><br>
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<p style="margin: 0px; text-align: left; background-color: white;"><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(0, 0, 0);"><b><u>Theory Seminar</u></b>:<b> </b></span><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 14.6667px; line-height: 1.5; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">February
5<sup>th</sup></span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(0, 0, 0);">, 1pm<span> </span></span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36); background-color: rgb(255, 255, 255);">EST</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(0, 0, 0);"> (</span><span style="font-family: Calibri, sans-serif; font-size: 14.6667px; line-height: 1.5; color: rgb(36, 36, 36); background-color: rgb(255, 255, 255);">hybrid</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(0, 0, 0);">)</span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);"><b><u><br>
</u></b></span></p>
<p style="margin: 0px; text-align: left; background-color: white;"><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);"><b><u>Speaker</u></b>:<span> </span></span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 14.6667px; line-height: 1.5; color: rgb(32, 32, 32); background-color: rgb(255, 255, 255);">Peter Blunden</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);"> (</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 14.6667px; line-height: 1.5; color: rgb(32, 32, 32); background-color: rgb(255, 255, 255);">Manitoba
University</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);">) </span></p>
<p style="margin: 0px; text-align: left; font-family: Calibri, sans-serif; font-size: 10pt; line-height: 1.5; background-color: white;">
<span style="font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);"><b><u><br>
</u></b></span></p>
<p style="margin: 0px; text-align: left; background-color: white;"><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);"><b><u>Title</u></b>:</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: black;"><b> </b></span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(32, 32, 32); background-color: rgb(255, 255, 255);">A
Novel Approach to the Global Analysis of Proton Form Factors in Elastic Electron-Proton Scattering</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> </span></p>
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<span style="color: rgb(36, 36, 36);"><b><u><br>
</u></b></span></p>
<p style="margin: 0px; text-align: left; background-color: white;"><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);"><b><u>Abstract</u></b>:</span><span style="font-family: Calibri, sans-serif; font-size: 11pt; line-height: 1.5; color: black;"> </span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(32, 32, 32); background-color: rgb(255, 255, 255);">A
global analysis of elastic electron-proton scattering requires combining data sets from experiments with different overall normalization uncertainties. In this talk, I will discuss a novel Monte Carlo approach to such problems that is a modification of one
employed by the NNPDF collaboration in the fitting of parton-distribution data. This method is an alternative to the “penalty trick” method traditionally employed in global fits to proton electric and magnetic form factors, while avoiding the statistical biases
inherent in that approach.</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(55, 65, 81); background-color: rgb(255, 255, 255);"><br>
<br>
</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; line-height: 1.5; color: rgb(32, 32, 32); background-color: rgb(255, 255, 255);">As a proof of concept, the method is applied to elastic scattering data with Q2 > 1 GeV2, for
which there is a recent traditional analysis by the GMp12 Experiment. Implications for the well-known discrepancy between the form factor ratio GE/GM extracted from the Rosenbluth and polarization transfer techniques will be discussed, as will prospects for
extending this approach to low Q2 data and the extraction of the proton charge radius.</span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);">See you tomorrow. </span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);"><br>
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<span style="font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);">Best regards, </span></p>
<p style="margin: 0px; text-align: left; font-family: Calibri, sans-serif; font-size: 10pt; line-height: 1.5; background-color: white;">
<span style="font-size: 11pt; line-height: 1.5; color: rgb(36, 36, 36);">Caroline, Joe, and Zheng-Yang</span></p>
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