Yale Postdoctoral Trainees

NPA Seminar, Isaac Mooney, Wayne State University, “Jet substructure measurements in proton-proton and proton-gold collisions at RHIC”

Measurements of the substructure of high-momentum jets produced in proton-proton (pp) collisions give insight into fundamental aspects of QCD, from the production of highly virtual partons, to their subsequent radiation and hadronization. Additionally, once the evolution of jets in vacuum is calibrated, it is possible to study potential modification to jet substructure due to interaction with the cold nuclear medium present in proton-gold (pAu) collisions.

NPA Seminar, Ben Kimelman, UC Davis, "Phase Transitions and Where to Find Them: Probing the QCD Phase Diagram with Heavy-Ion Collisions"

Abstract: Relativistic heavy-ion collisions are a unique tool that allow us to probe QCD and its fundamental interactions; of particular interest is the phase transition between a hadron gas and a quark-gluon plasma (QGP). Characterizing this phase transition and mapping out the QCD phase diagram have been some of the primary goals of relativistic heavy-ion collisions over the past two decades. This talk will cover the background of the QGP and discuss a selection of the important observations over the past 22 years of RHIC operations relating to the QCD phase diagram.

Dissertation Defense: Benjamin Foust, Yale University, “Precise Measurement of the U-235 Antineutrino Energy Spectrum”

Neutrino experimentation is an important pathway to physics beyond the standard model, raising questions on how neutrinos obtain their vanishingly small but non-zero mass, what that mass is, and if they are their own antiparticle. Antineutrinos, as an abundant product of nuclear decay chains, are also important to advancing our understanding of nuclear physics and verifying nuclear databases.

EHS Orientation for Wright Lab Shop Users - Summer 2022

Wright Lab will host 1-hour Environmental Health and Safety (EHS) Shop Orientations. The EHS shop orientation is offered each semester and is required to be taken once by anyone who would like to gain access and make use of the research and teaching shops at Wright Lab.
For more information on the shop facilities at Wright Lab see: https://wlab.yale.edu/facilities
Register here: https://forms.gle/MzVDERoSrtmwp8579

EHS Orientation for Wright Lab Shop Users - Summer 2022

Wright Lab will host 1-hour Environmental Health and Safety (EHS) Shop Orientations. The EHS shop orientation is offered each semester and is required to be taken once by anyone who would like to gain access and make use of the research and teaching shops at Wright Lab.
For more information on the shop facilities at Wright Lab see: https://wlab.yale.edu/facilities
Register here: https://forms.gle/MzVDERoSrtmwp8579

EHS Orientation for Wright Lab Shop Users - Summer 2022

Wright Lab will host 1-hour Environmental Health and Safety (EHS) Shop Orientations. The EHS shop orientation is offered each semester and is required to be taken once by anyone who would like to gain access and make use of the research and teaching shops at Wright Lab.
For more information on the shop facilities at Wright Lab see: https://wlab.yale.edu/facilities
Register here: https://forms.gle/MzVDERoSrtmwp8579

NPA Seminar, Simone Mazza, UCSC, "4D tracking technologies and R&D"

Precision Timing information at the level of 10-30ps is a game changer for detectors at future collider experiments. For example, the ability to assign a timestamp with 30ps precision to particle tracks will mitigate the impact of pileup at the High-Luminosity LHC (HL-LHC). With a time spread of the beam spot of approximately 180ps, a track time resolution of 30ps allows for a factor of 6 reduction in pileup. HL-LHC will only be the first in HEP experiments to exploit the concept of 4D tracking using time as one of the parameters.

NPA Seminar, Leticia Cunqueiro Mendez, Sapienza University, “Jet substructure: the Lund plane, the dead cone and other effects in QCD”

Jet declustering techniques have brought up the possibility to access the Lund plane of QCD emissions in jets. By scanning different areas of the Lund jet plane, sensitivity to different physics effects can be enhanced, including quark mass effects. In this talk I will discuss the techniques and the measurement by ALICE (Nature 605, 440-446 (2022)) of the first direct signature of the dead cone effect in QCD. I will also discuss the problematics of the Lund plane in heavy ion collisions and prospects.

NPA Seminar, Rene Bellwied, University of Houston, “From the Initial to the Final State - Quantum Entanglement in Relativistic Particle Collisions”

Collective quantum effects should play a significant role in the formation of hadrons from a deconfined and chirally symmetric state of matter. Yet most of our models ignore these effects or treat them as corrections after the dynamic calculation (e.g. color reconnection effects in PYTHIA). I will try to show that there is a direct connection between the entanglement entropy in the initial state and the thermodynamic entropy in the final state at least for elementary collisions where not too many decoherence effects are expected.

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