<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr"> <font size="2"><span style="font-size:11pt"></span></font>Dear users of Herwig and ThePEG,<br> <div style="color: rgb(0, 0, 0);"> <div dir="ltr"> <div id="x_divtagdefaultwrapper" dir="ltr" style="font-size:12pt; color:#000000; font-family:Calibri,Helvetica,sans-serif"> <div style="color:rgb(0,0,0)"> <div class="x_BodyFragment"><font size="2"><span style="font-size:11pt"> <div class="x_PlainText"><br> we're happy to announce a new incremental release in the Herwig 7<br> series, Herwig 7.1.3, with the matching release of ThePEG 2.1.3.<br> <br> The latest version of the bootstrap script at<br> <br> <a href="https://herwig.hepforge.org/herwig-bootstrap" id="LPlnk925250" previewremoved="true"> https://herwig.hepforge.org/herwig-bootstrap</a><br> <br> will update ThePEG and Herwig in an existing bootstrap installation.<br> <br> As always, contact <herwig@projects.hepforge.org> with any questions or<br> comments, or use our newly re-opened bug tracker at<br> <br> <a href="https://herwig.hepforge.org/trac/" id="LPlnk869738" previewremoved="true"> https://herwig.hepforge.org/trac/</a><br> <br> with user name "new" and password "ticket". Don't forget your email<br> address in the CC field!<br> <br> With best regards,<br> <br> The Herwig developers<br> <br> ===============<br> List of changes<br> ===============<br> <br> <div><br> * ThePEG-2.1.3 release: 2018-04-05<br> <br> ** Use std::array<> where suitable <div><br> * Herwig 7.1.3 release: 2018-04-05<br> <br> ** Dipole Shower<br> *** Changed default phase space limits<br> *** g -> gg splitting function asymmetrized<br> *** Initial retune supplied, given the visible changes <br> to LEP observables<br> <br> ** Added new Baryonic colour reconnection model <br> (arXiv 1710:10906)<br> <br> ** Added Schuler-Sjostrand Photon PDFs<br> <br> ** Handling of massless taus from external sources<br> <br> ** various minor fixes<br> <br> ** use std::array<> where possible</div> </div> <br> </div> </span></font></div> </div> </div> </div> </div> </div> </body> </html>