NPA Seminar, Jay Hyun Jo, Yale University, “First search for an excess of electron neutrinos in MicroBooNE”

We present a measurement of electron-neutrino interactions from the Fermilab Booster Neutrino Beam using the MicroBooNE liquid argon time projection chamber to address the nature of the excess of low-energy interactions observed by the MiniBooNE collaboration. Three independent electron-neutrino searches are performed across multiple single-electron final states, including an exclusive search for two-body scattering events with a single proton, a semi-inclusive search for pionless events, and a fully inclusive search for events containing all hadronic final states.

Dissertation Defense: David Stewart, Yale University, "Jet to Event Activity Correlations in Small System Collisions at STAR"

Heavy ion collisions at the LHC and RHIC produce a quark gluon plasma (QGP), in which quarks and gluons are deconfined into an extended medium. This “fourth phase” of matter is also believed to have been the first material phase of the universe following the Big Bang. In experiment, high energy partons scatter at short time scales and may subsequently lose energy, or are “quenched”, via interactions with the QGP.

NPA Seminar, Lee Hagaman & Giacomo Scanavini, Yale University, "First Test of the MiniBooNE Low Energy Excess Under a Single-Photon Hypothesis in the MicroBooNE Experiment"

Abstract TBA
In-person attendance will be capped at 20 people on a first-come, first-served basis, according to the current Yale policies.
More Information: https://covid19.yale.edu/campus-life/events-gatherings-meetings

Introduction to the Advanced Prototyping Center: Designing for rapid prototyping

In this workshop we will cover the equipment available at the Wright Lab Advanced Prototyping Center and how to get started designing parts. Basics of CNC laser and abrasive water jet cutting will be included, as well as an introduction to 3D printing. No prior experience is required, but having an idea for a project that you may want to get started on would be great. We will start off with a classroom presentation and then have a quick tour of the facilities. Attendance will be limited to 15, but additional sessions will be arranged if the session fills.

WIDG Seminar, Jorge Torres, Yale University, “Tuning into neutrinos on the radio with the Askaryan Radio Array”

Neutrino Astronomy allows us to observe the distant, high-energy universe. It was born when the IceCube experiment reported the first observation of neutrinos with energies in the PeV regime. Neutrinos with higher energies, called ultra-high energy (UHE) neutrinos, are predicted to exist, but they have not been observed yet due to their extremely low flux, requiring immense detection volume.

WIDG Seminar, Claire Laffan, Yale University, "Implementing Experimental Blinding on HAYSTAC"

Dark matter is one of the most intriguing problems in physics today, and axions have become a popular dark matter candidate in recent years. HAYSTAC is a quantum-enhanced dark matter experiment which uses novel techniques to search for axions. In this talk I will give an introduction to dark matter, axions, and the HAYSTAC experiment. Then I will discuss a blinding technique called “salting” and my progress with implementing a salting analysis on the HAYSTAC.

NPA Seminar, Fernando Flor, University of Houston, "Flavor, Energy and System Size Dependence of the Chemical Freeze-out in Relativistic Particle Collisions from RHIC-BES to LHC energies via Statistical Hadronization"

The validity of the Statistical Hadronization Model (SHM) has been successfully tested to adequately reproduce hadronic particle abundances over nine orders of magnitude in high energy collisions of heavy ions. Assuming a thermally equilibrated system, experimental particle yields at RHIC and the LHC serve as an anchor for the determination of common freeze-out parameters in the QCD phase diagram – namely, the baryo-chemical potential (µB) and the chemical freeze-out temperature (Tch) - via thermal fits in the SHM framework.

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