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<span style="font-family:Arial, sans-serif;color:black">Hall B – Postdoctoral Research Fellow opening</span><span style="font-family:Arial, sans-serif;color:rgb(102, 102, 102)"><o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black">Job Description<o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black">Jefferson Lab, located in Newport News, Virginia, USA, is a world-class scientific laboratory managed for the U.S. Department of Energy by Jefferson Science Associates, LLC. Its core is the Continuous
Electron Beam Accelerator Facility (CEBAF). Since the commissioning of the upgraded machine and the experimental facilities for 12 GeV operations, Jefferson Lab scientists and the large, international user community are engaged in a research program addressing
fundamental questions in hadronic, nuclear, and electroweak physics.<span class="Apple-converted-space"> </span><span> </span></span><span style="font-family:Arial, sans-serif;color:rgb(102, 102, 102)"><o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black">The 12 GeV program in all four experimental halls (A, B, C, and D) is now in full swing. We are currently seeking a Postdoctoral Research Fellow to be involved in the activities of Hall B.<o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black">The Hall B physics program covers a broad range of topics, the central focus being the three-dimensional imaging of the quark structure of the nucleon, one of the flagships of the Jefferson Lab 12 GeV
scientific program. Other topics include experiments to measure the spectrum of excited states of the nucleon and their transition form factors, meson spectroscopy and a search for exotic states, the characterization of nucleon-nucleon correlations in nuclear
matter, and a search for physics beyond the Standard Model.<o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black">CLAS12, a modern large-acceptance spectrometer designed to withstand high luminosity operation with electron beams up to 10<sup>35</sup><span class="Apple-converted-space"> </span>cm<sup>-2</sup>s<sup>-1</sup>,
is being used as the main detector in Hall B. The spectrometer allows the full reconstruction and characterization of nuclear reactions with multiple particles in the final state. It is instrumented with specialized tracking and particle identification systems,
some of which are on the cutting edge of technology. Other dedicated detectors optimized for specific measurements, such as the proton charge radius and detection of physics beyond the Standard Model, extend the Hall B rich physics program.<o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black">The high-luminosity operations and the growing demands of experiments require constant improvements of operational characteristics, upgrades to the detectors, and the calibration and data reconstruction
software (including AI-supported algorithms).<span class="Apple-converted-space"> </span><o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black">Working under the supervision of the Hall B staff scientists, the incumbent will be involved in:<o:p> </o:p></span></p>
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<li><span style="font-family:Arial, sans-serif;color:black">Conducting an original research project within the Hall B physics program;<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Designing and implementing simulation and reconstruction algorithms for new detectors and upgrades of the current equipment;<span class="Apple-converted-space"> </span><o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Supporting the development of existing reconstruction and calibration tools (tracking, particle identification, etc.);<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Supporting the development of a high-level data analysis framework;<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Supporting Hall B users in data calibration and analysis;<span class="Apple-converted-space"> </span><o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Documenting activities and providing regular updates to Hall B and CLAS12 leadership.<o:p> </o:p></span></li></ol>
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<span style="font-family:Arial, sans-serif;color:rgb(102, 102, 102)"><o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black">Position requirements<o:p> </o:p></span></p>
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<span style="font-family:Arial, sans-serif;color:black"><o:p> </o:p></span></p>
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<li><span style="font-family:Arial, sans-serif;color:black">Ph.D. degree in nuclear or particle physics;<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Up-to-date knowledge in related scientific data collection, data management, and data analysis concepts;<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Good programming skills (JAVA/Python/C++/…);<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Knowledge or interest in high energy physics and/or nuclear physics detector simulation tools;<span class="Apple-converted-space"> </span><o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Knowledge or interest in AI techniques;<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Knowledge or interest in charged particle tracking;<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Excellent communication and interpersonal skills to be able to interact effectively with a diverse group of scientists;<o:p> </o:p></span></li><li><span style="font-family:Arial, sans-serif;color:black">Self-motivated and able to work in a team environment.<o:p> </o:p></span></li></ul>
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<span style="font-family:Arial, sans-serif"><o:p> </o:p></span></p>
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