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| 7 | +<title>Post-doctoral researcher - US CMS Software and Computing</title> |
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| 24 | + U.S. CMS Software and Computing |
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| 55 | + <a class="nav-link" href="/postdocs">Research Initiative</a> |
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| 76 | + <div> |
| 77 | + <br> |
| 78 | + <center><h1>USCMS Researcher: Matteo Marchegiani</h1> |
| 79 | + |
| 80 | + <img src="/assets/images/team/Matteo-Marchegiani.jpeg" width="150px"> |
| 81 | + <br> |
| 82 | + <br> |
| 83 | + <b> Postdoc dates: </b> |
| 84 | + Jul 2025 - Jun 2026<br/> |
| 85 | + |
| 86 | + <br> |
| 87 | + <b> Home Institution:</b> Carnegie Mellon University |
| 88 | + <br> |
| 89 | + <br> |
| 90 | + </center> |
| 91 | + |
| 92 | + <br> |
| 93 | + <h3>Project: GNN-based End-to-End Reconstruction in the CMS Phase 2 High-Granularity Calorimeter</h3> |
| 94 | + |
| 95 | + The goal of the project is to develop new machine learning based algorithms for fast and efficient reconstruction of the High-Granularity Calorimeter at the High-Luminosity LHC. |
| 96 | + |
| 97 | + <br> |
| 98 | + <br> |
| 99 | + More information: <a href = "/assets/pdfs/Matteo-Marchegiani_proposal_2025.pdf">My project proposal</a><br> |
| 100 | + |
| 101 | + <br> |
| 102 | + <b>Mentors: </b> <br> |
| 103 | + <ul> |
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| 180 | + |
| 181 | + <p>Matteo Cremonesi - (Carnegie Mellon University)</p> |
| 182 | + |
| 183 | + |
| 184 | + </li> |
| 185 | + |
| 186 | + </ul> |
| 187 | + |
| 188 | + |
| 189 | + |
| 190 | + <b>Presentations</b> |
| 191 | + <ul> |
| 192 | + |
| 193 | + </ul> |
| 194 | + <hr> |
| 195 | + |
| 196 | + <b>Current Status</b> |
| 197 | + <br> |
| 198 | + <p><br /> <b>2025 Q3 </b> <br /></p> |
| 199 | +<ul> |
| 200 | + <li>Progress |
| 201 | + <ul> |
| 202 | + <li>Learned how to train the GNN employing GravConv layers in combination with the object condensation loss for the reconstruction of energy clusters in the HGCAL</li> |
| 203 | + <li>Studied the performance and energy resolution of the GNN-based reconstruction in zero-pileup environments, considering simulated photons, pions and tau leptons</li> |
| 204 | + <li>Ported the training datasets production to CMSSW_15_1_X, making use of the FineCalo simulation</li> |
| 205 | + </ul> |
| 206 | + </li> |
| 207 | +</ul> |
| 208 | + |
| 209 | + <br> |
| 210 | + <br> |
| 211 | + |
| 212 | + <b>Contact me:</b><br> |
| 213 | + <ul> |
| 214 | + |
| 215 | + <li> |
| 216 | + <i class=" fas fa-envelope-square" ></i><a href = " mailto:[email protected]" > Send me an email </a><br> |
| 217 | + </li> |
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| 223 | + </ul> |
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