19th Patras Workshop on Axions, WIMPs and WISPs

Session

Morning 4

19 Sept 2024, 09:00

Conveners

Morning 4: Session 4

• Mihaela Parvu (Faculty of Physics, University of Bucharest)

101. Quantum Sensor for dark matter and GW searches

Michael Doser (CERN)

19/09/2024, 09:00

Overview lecture

TBA

77. Recent results and future perspective in the search for Axion dark matter with QUAX

Dr Alessio Rettaroli (Istituto Nazionale di Fisica Nucleare)

19/09/2024, 09:45

Talk

In recent years, we witnessed an increasing growth in the research of light Dark Matter (DM) candidates, addressing in particular axions and axion-like particles (ALPs).
The axion observation technique is based upon its in- verse Primakoff conversion into one photon, stimulated by a static magnetic field.

Here, recent results of the QUAX experiment are presented.
In particular, the...

60. From concept to reality: Advancements in the MADMAX Axion Experiment

Juan P.A. Maldonado (Max Planck Institute for Physics)

19/09/2024, 10:05

Talk

MADMAX, the MAgnetized Disc and Mirror Axion eXperiment, is a novel dielectric haloscope concept to detect the axion in the mass range 40-400 ueV through enhancement of the inverse Primakoff process. In this overview talk, I will review the experiment's design concept and discuss the status of ongoing research on the critical path of the experiment, including advancements in magnet...

93. First NA62 search for long-lived new physics particle hadronic decays

Samet Lezki

19/09/2024, 10:25

Talk

The NA62 experiment at CERN, designed to measure the highly-suppressed decay $K^{+} \rightarrow \pi^{+}\nu\bar{\nu}$, has the capability to collect data in a beam-dump mode, where 400GeV protons are dumped on an absorber. In this configuration, New Physics (NP) particles, including dark photons, dark scalars and axion-like particles, may be produced and reach a decay volume beginning 80m...

92. First stars and galaxies in fuzzy dark matter universe

Prof. Anastasia Fialkov (IoA, Cambridge University)

19/09/2024, 10:45

Talk

Ultra-light axions is one of the most widely considered models of dark matter. In my talk, I will focus on the formation of cosmic web, first structures, stars and galaxies in a fuzzy dark matter universe. We model star and galaxy formation using a hydrodynamical code AREPO coupled to the ultra-light dark matter component solved using Schrodinger-Poisson code. We explore properties of the...

94. A search for axionlike dark matter with the CASPEr-gradient Low-Field experiment

Julian Walter (Helmholtz-Institut, GSI Helmholtzzentrum für Schwerionenforschung, 55128 Mainz, Germany // Johannes Gutenberg-Universität Mainz, 55128 Mainz, Germany)

19/09/2024, 11:30

Talk

Axions and other light pseudoscalar bosons with masses below $1\,\mathrm{eV}/c^2$, collectively referred to as axionlike particles (ALPs), are among the most well-motivated dark matter (DM) candidates.
The Cosmic Axion Spin Precession Experiment (CASPEr)\,[1] aims at detecting axionlike DM with nuclear magnetic resonance techniques.
CASPEr-Gradient in Mainz probes the coupling of nuclear...

61. Status and Recent Results from the BREAD Gigahertz Pilot Experiment

Gabe Hoshino (University of Chicago)

19/09/2024, 11:50

Talk

We present the status and recent results of the room temperature BREAD gigahertz pilot experiment (GigaBREAD) which is looking for axion-like particles in the $\sim 50 \ \mu\mathrm{eV}$ range. Reflector-based searches allow for wave-like dark matter searches at higher mass regimes where resonant cavity searches lose sensitivity due to scaling limitations. BREAD is a novel reflector concept...

30. Cosmology and terrestrials signals of sexaquark dark matter

Marianne Moore (MIT)

19/09/2024, 12:10

Talk

The sexaquark, a hypothetical stable and neutral six-quark state, has been recently proposed as a dark matter candidate. Here, I argue it is very unlikely sexaquarks could consistently compose more than a billionth of the dark matter abundance for a wide range of scattering cross sections and annihilation rates. To draw these conclusions, I connect the sexaquark freeze-out abundance to...

87. New techniques to Search for wave-like dark matter and test fundamental physics using precision low-energy measurements.

Prof. Michael Tobar (Department of Physics, UWA)

19/09/2024, 12:30

Talk

In this presentation I will provide an update on research at the Quantum Technologies and Dark Matter Laboratories at the University of Western Australia to develop new techniques to search for wave-like dark matter candidates and to test fundamental physics using precision low-energy metrology.

In particular we will focus on techniques which utilize low-loss and low-noise electromagnetic...