<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div><p style="text-align: center; border: medium none; padding: 0in; margin: 0px;" data-mce-style="text-align: center; padding: 0in; margin: 0px;"><strong><span style="font-size: 48.0pt; line-height: 107%; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 48.0pt; line-height: 107%; font-family: 'Times New Roman',serif;">Physics Seminar</span></strong></p><p style="margin: 0px; text-align: center; line-height: normal;" data-mce-style="margin: 0px; text-align: center; line-height: normal;"><strong><span style="font-size: 24.0pt; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 24.0pt; font-family: 'Times New Roman',serif;">Mark Pitt</span></strong></p><p style="margin: 0px; text-align: center; line-height: normal;" data-mce-style="margin: 0px; text-align: center; line-height: normal;"><strong><span style="font-size: 24.0pt; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 24.0pt; font-family: 'Times New Roman',serif;">Virginia Polytechnic Institute</span></strong></p><p style="margin: 0px; text-align: center; line-height: normal;" data-mce-style="margin: 0px; text-align: center; line-height: normal;"><strong><span style="font-size: 24.0pt; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 24.0pt; font-family: 'Times New Roman',serif;"> </span></strong></p><p style="text-align: center; margin: 0px;" data-mce-style="text-align: center; margin: 0px;"><em><span style="font-size: 18.0pt; line-height: 107%; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 18.0pt; line-height: 107%; font-family: 'Times New Roman',serif;">“Final Results from the Qweak Experiment: A Search for New Physics via a Measurement of the Proton’s Weak Charge"</span></em></p><p style="text-align: center; margin: 0px;" data-mce-style="text-align: center; margin: 0px;"><em><span style="font-size: 18.0pt; line-height: 107%; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 18.0pt; line-height: 107%; font-family: 'Times New Roman',serif;"><br data-mce-bogus="1"></span></em></p><p style="margin: 0px; text-align: center; line-height: normal;" data-mce-style="margin: 0px; text-align: center; line-height: normal;"><strong><span style="font-size: 18.0pt; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 18.0pt; font-family: 'Times New Roman',serif;">Abstract:</span></strong></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><br> <br> <span style="font-size: 14.0pt; line-height: 107%; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 14.0pt; line-height: 107%; font-family: 'Times New Roman',serif;">The Qweak experiment precisely measures the proton's weak charge using parity-violating elastic electron scattering from the proton. The Standard Model makes a firm prediction for the proton's weak charge, thus providing a sensitive test for new physics beyond the Standard Model. This talk will cover the measurement methodology, key technical challenges, and the most significant aspects of the data analysis. Final results for the proton's weak charge and resulting extracted values of the weak mixing angle and vector weak quark couplings will be presented along with the implications for new beyond-the-Standard-Model physics.</span></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><span style="font-size: 12.0pt; line-height: 107%; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 12.0pt; line-height: 107%; font-family: 'Times New Roman',serif;"> </span></p><p style="text-align: center; line-height: normal; margin: 0px;" data-mce-style="text-align: center; line-height: normal; margin: 0px;"><strong><span style="font-size: 22.0pt; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 22.0pt; font-family: 'Times New Roman',serif;">Friday, September 8, 2017</span></strong></p><p style="text-align: center; line-height: normal; margin: 0px;" data-mce-style="text-align: center; line-height: normal; margin: 0px;"><strong><span style="font-size: 22.0pt; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 22.0pt; font-family: 'Times New Roman',serif;">11:30 pm</span></strong></p><p style="text-align: center; line-height: normal; margin: 0px;" data-mce-style="text-align: center; line-height: normal; margin: 0px;"><strong><span style="font-size: 22.0pt; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 22.0pt; font-family: 'Times New Roman',serif;">CEBAF Auditorium</span></strong></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><span style="font-size: 12.0pt; line-height: 107%; font-family: 'Times New Roman',serif;" data-mce-style="font-size: 12.0pt; line-height: 107%; font-family: 'Times New Roman',serif;"> </span></p></div><div><br></div><div data-marker="__SIG_POST__">-- <br></div><div>Stephanie Tysor<br>Hall A Administrative Assistant<br>Thomas Jefferson National Accelerator Facility<br>(office)757-269-6005 (fax)757-269-5235</div></div></body></html>