<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Reminder: Theory Seminar today at 1:00pm in L102 <div class="">A. Bacchetta: Effect of flavor-dependent partonic transverse momentum on the determination of the W boson mass in hadronic collisions.<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">Begin forwarded message:</div><br class="Apple-interchange-newline"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">From: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">Andrea Signori <<a href="mailto:asignori@jlab.org" class="">asignori@jlab.org</a>><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Subject: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><b class="">Theory Seminar - July 11 | A. Bacchetta</b><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Date: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">July 7, 2018 at 2:08:56 PM EDT<br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><a href="mailto:theory-seminars@jlab.org" class="">theory-seminars@jlab.org</a><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Cc: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">Alessandro Bacchetta <<a href="mailto:alessandro.bacchetta@unipv.it" class="">alessandro.bacchetta@unipv.it</a>><br class=""></span></div><br class=""><div class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><span class="" style="font-size: 14px;">Dear all,</span></div><div class=""><span class="" style="font-size: 14px;"><br class=""></span></div><div class=""><span class="" style="font-size: 14px;">next week there will be one Theory Seminar, on Wednesday July 11 at 1:00pm.</span></div><div class=""><span class="" style="font-size: 14px;">Details below:</span></div><div class=""><span class="" style="font-size: 14px;"><br class=""></span></div><div class=""><span class="" style="font-size: 14px;"><b class="">Wednesday, July 11</b> - </span><span class="" style="font-size: 14px;">1:00pm - CEBAF Center, Room L102</span></div><div class=""><span style="font-size: 14px;" class="">Alessandro Bacchetta (Pavia U. and INFN): </span></div><div class=""><span style="font-size: 14px;" class=""><span class="">"Effect of flavor-dependent partonic transverse momentum </span>on the determination of the W boson mass in hadronic collisions"</span></div><span class=""><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span class=""><br class=""></span></div></span><div class=""><span class="" style="font-size: 14px;">The link to attend the seminar remotely via Bluejeans is available at <a href="https://www.jlab.org/div_dept/theory/seminars/2018-spring-theory-seminar.html" class="">https://www.jlab.org/div_dept/theory/seminars/2018-spring-theory-seminar.html</a> </span></div><div class=""><span class="" style="font-size: 14px;">Looking forward to seeing you next week,</span><br class=""><br class=""><span class="" style="font-size: 14px;"> Alessandro, Andrea, Bipasha</span></div><div class=""><span class="" style="font-size: 14px;"><br class=""></span></div><div class=""><span style="font-size: 14px;" class="">---------------------------------------------- </span></div><span class="">Abstract: </span></div><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span class="">Within the framework of transverse-momentum-dependent factorization, we investigate for the first time the impact of a flavor-dependent intrinsic transverse momentum of quarks on the production of W^± bosons in proton-proton collisions at \sqrt{s} = 7 TeV. </span></div><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span class="">We estimate the shift in the extracted value of the W boson mass (M_W) induced by different choices of flavor-dependent parameters for the intrinsic quark transverse momentum by means of a template fit to the transverse-mass and the lepton transverse-momentum distributions of the W-decay products. </span></div><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span class="">We obtain − 11 ≤ ∆MW^+ ≤ 4MeV and−6 ≤ ∆MW^− ≤ 2 MeV with a statistical uncertainty of ± 4 MeV. </span></div><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span class="">These findings call for more detailed investigations of flavor-dependent nonperturbative effects linked to the proton structure at hadron colliders.</span></div></div></div></blockquote></div><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><pre class="moz-signature" cols="72" style="background-color: rgb(255, 255, 255);">--
Postdoctoral researcher
Theory Center - Jefferson Lab
12000 Jefferson Avenue,
Newport News, VA 23606 USA
CEBAF center, office A211
<span style="white-space: normal;" class="">Tel: +1 (757) 269-6735</span></pre><pre class="moz-signature" cols="72" style="background-color: rgb(255, 255, 255);"><br class=""></pre><pre class="moz-signature" cols="72" style="background-color: rgb(255, 255, 255);"><br class=""></pre></div></div></div><br class="Apple-interchange-newline"></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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