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<p class="MsoNormal"><span style="font-size:12.0pt;color:black;background:white">Hello All,<span class="apple-converted-space"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Tomorrow, Monday, January 23rd,
<span style="background:yellow;mso-highlight:yellow">at 9:00 AM (EST),</span> M. Padmanath will give our first (virtual) theory seminar of the new year.<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Padmanath's seminar will be held virtually on our usual ZoomGov link:<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><a href="https://jlab-org.zoomgov.com/j/1611179843?pwd=M09CNTFpbFVZSW1IQlhIMGp3RUVHUT09" title="https://jlab-org.zoomgov.com/j/1611179843?pwd=M09CNTFpbFVZSW1IQlhIMGp3RUVHUT09">https://jlab-org.zoomgov.com/j/1611179843?pwd=M09CNTFpbFVZSW1IQlhIMGp3RUVHUT09</a><span class="apple-converted-space"> </span><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Please see below for the title and abstract.<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><b><u><span style="font-size:12.0pt;color:black">Theory Seminar</span></u></b><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Monday, January 23rd at 9:00 AM<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><b><u><span style="font-size:12.0pt;color:black">M. Padmanath</span></u></b><span class="apple-converted-space"><span style="font-size:12.0pt;color:black"> </span></span><span style="font-size:12.0pt;color:black">(Institute
of Mathematical Sciences - Chennai)<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">will discuss "S-wave scattering of triply bottom baryons from lattice QCD"<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><b><u><span style="font-size:12.0pt;color:black">Abstract:</span></u></b><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">I will present our recent lattice investigation of scattering of triply bottom<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">baryons in the S-wave. After giving a brief motivation for our study, I will discuss<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">our methodology and strategy in determining the ground state of dibaryon composed of two<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">$\Omega_{bbb}$ baryons. Following this, the details of and the results from the scattering<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">analysis in the $^1S_0$ channel will be presented. Our study indicates the existence of <o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">a sub-threshold pole, which signifies an unambiguous evidence for a deeply bound<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">$\Omega_{bbb}-\Omega_{bbb}$ dibaryon. The binding energy of such a state as dictated by<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">this pole singularity is found to be -81($^{+14}_{-16}$) MeV. I quantify various<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">systematic uncertainties involved in this determination, including those related to<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">the excited state contamination and Coulomb repulsion between the bottom quarks.<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Towards the end, I give a brief outline of our ongoing efforts in mapping the quark mass<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">dependence of the S-wave amplitude in triply flavored baryons scattering, focussing<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">the heavy quark mass regime.<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">See you tomorrow!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black;background:white">Caroline, Colin & Patrick</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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