NPA Seminar: Carlos Peña Garay, Laboratorio Subterraneo de Canfranc, "Science in an Underground Lab"

Nuclear, particle and astrophysics are the themes of experiments hosted in underground labs. I will discuss, after motivated by fundamental questions, recent work done in Canfranc. Most of my talk will be concentrated on the exploration of neutrinos’ fundamental properties in nuclear and particle physics, astrophysics and cosmology, but I will also discuss current work on dark matter searches. Our cells are ionized by cosmic muons and radioactivity and I will briefly close with research on life processes in cosmic silence.

2023 Summer Student Research Symposium

Please join us to hear what our student researchers have been doing this summer.
Forrest Hutchison (Charlie Baltay),”Magnitude Calibration of Supernovae from the LSQ/LCO Collaboration”
Florence Polak (David Rabinowitz),”Coadding QUEST Data in Search of Treasure in the Sky”
Selma Mazioud (Helen Caines),”Statistical Hadronization Model Calculations of Charm Hadron Production in Relativistic Heavy Ion Collisions at the LHC”
Joshua Kerner & Mary Zhang Remote (Helen Caines),”ePIC LFHCal R&D”

NPA Seminar: Jonghee Yoo, Seoul National University, "Searching for invisible axion dark matter with an 18T magnet haloscope"

Astrophysical observation indicates that 68% of the Universe is made up of dark energy, 27% is dark matter, and the rest 5% is ordinary matter. Therefore, probing the dark components of the Universe is the most prominent subject in modern particle physics. One of the strong candidates of dark matter is the hypothetical particle called axions. The axion has been postulated to solve the strong-CP problem in quantum chromodynamics. The axion is also an ideal dark matter candidate who would have been produced during the Big Bang.

NPA Seminar: Karl van Bibber, UC Berkeley, "ALPHA – A Search for the Post-Inflation Axion"

The axion represents both the most natural solution to the Strong-CP problem and a compelling candidate to constitute the dark matter of the Universe. The most sensitive experiments searching for axion dark matter are based on the resonant conversion of axions to photons within a microwave cavity permeated by a magnetic field.

Dissertation Defense: Sumita Ghosh, Yale University, "Harnessing HAYSTAC for Hidden Photons and Advancing Rydberg Atom-based Axion Detection"

Dark matter is the name that we give to the 85% of matter in the universe that interacts via gravity but negligibly with any of the other known forces. One compelling model for dark matter is the axion, as it simultaneously solves the existence of dark matter and the strong CP problem in QCD. Axions can interact with a strong magnetic field through the Primakoff effect, wherein the axion can spontaneously convert into a photon in the presence of a strong magnetic field.

YQI Seminar: Oriol Romero-Isart, Institute for the Quantum Optics and Quantum Information, "Levitated Nanoparticles in Macroscopic Quantum Superpositions: Pushing the Boundaries of Quantum Mechanics"

In recent years, advancements in optically levitated nanoparticles have enabled the cooling of their center-of-mass motion to the quantum ground state. As a result, a nanoparticle, which comprises billions of atoms, becomes delocalized over picometer scales. This talk aims to explore the challenges and requirements of achieving a macroscopic quantum superposition of a nanoparticle, in which the center-of-mass position is delocalized over orders of magnitude larger scales.

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