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<pre cols="72" style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><div style="background-color: rgb(255, 255, 255);"><div style=""><div style="margin: 0px; background-color: rgb(255, 255, 255);"><div style="margin: 0px; background-color: rgb(255, 255, 255);"><div style="margin: 0px; color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">*******</span></div><div style="margin: 0px; color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Cake seminar</span></div><div style="margin: 0px; color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">*******</span></div><div style="margin: 0px; color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Date and time: Wednesday, Feb 12, 1:00PM</span></div><div style="margin: 0px; color: rgb(34, 34, 34); background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Room: L102</span></div></div></div><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); display: inline !important;">Speaker: Tianbo Liu (JLab)</span></div><div style=""><span style="background-color: rgb(255, 255, 255); display: inline !important;"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Title: Power corrections in semi-inclusive deep inelastic scatterings at fixed target energies</span><div style="background-color: rgb(255, 255, 255);"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">Abstract: The COMPASS collaboration published precise data on production cross section of charged hadrons </span><br></div><div style="background-color: rgb(255, 255, 255);"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">in lepton-hadron semi-inclusive deep inelastic scattering, showing almost an order of magnitude larger</span></div><div style="background-color: rgb(255, 255, 255);"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> than next-to-leading order QCD calculations when $P_{hT}$ and $z_h$</span><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> are sufficiently large. </span></div><div style="background-color: rgb(255, 255, 255);"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">We explore the role of power corrections to the theoretical calculations, and quantitatively demonstrate </span></div><div style="background-color: rgb(255, 255, 255);"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">that the power corrections are extremely important for these data when the final-state multiplicity is low </span></div><div style="background-color: rgb(255, 255, 255);"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">and the production kinematics is near the edge of phase space. Our finding motivates more detailed studies </span></div><div style="background-color: rgb(255, 255, 255);"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">on power corrections for upcoming experiments at Jefferson Lab, as well as the future Electron-Ion Collider.</span></div></span><div style=""><br></div></div></div><div style="background-color: rgb(255, 255, 255);"><span><div style="background-color: rgb(255, 255, 255);"><span style="background-color: rgb(255, 255, 255); display: inline !important;"><div><span><br></span><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Bluej</span><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">eans connection: </span><span style="color: rgb(34, 34, 34);"><a href="https://bluejeans.com/610445877" target="_blank" style="color: rgb(17, 85, 204);"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">https://bluejeans.com/610445877</span><span style="color: rgb(12, 100, 192);"><wbr></span></a></span><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> </span></div></span></div></span></div></pre>
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