Cold and stable antimatter for fundamental physics

Y Yamazaki - Proceedings of the Japan Academy, Series B, 2020 - jstage.jst.go.jp
The field of cold antimatter physics has rapidly developed in the last 20 years, overlapping
with the period of the Antiproton Decelerator (AD) at CERN. The central subjects are CPT …

[HTML][HTML] Limits on antiproton-nuclei annihilation cross sections at∼ 125 keV

H Aghai-Khozani, D Barna, M Corradini… - Nuclear Physics A, 2021 - Elsevier
Some experimental limits on the annihilation cross sections σ ann of antiprotons on carbon,
palladium, and platinum targets were determined at the previously unexplored kinetic …

Large nuclear scattering effects in antiproton transmission through polymer and metal-coated foils

K Nordlund, M Hori, D Sundholm - Physical Review A, 2022 - APS
We simulate the deceleration and transmission of antiprotons with keV-scale kinetic
energies through polymer foils using a molecular dynamics approach, which includes a …

Theoretical analysis of antineutron-nucleus data needed for antineutron mirrors in neutron-antineutron oscillation experiments

KV Protasov, V Gudkov, EA Kupriyanova… - Physical Review D, 2020 - APS
The values of the antineutron-nucleus scattering lengths, and, in particular, their imaginary
parts, are needed to evaluate the feasibility of using neutron mirrors in laboratory …

[HTML][HTML] Injection and capture of antiprotons in a Penning–Malmberg trap using a drift tube accelerator and degrader foil

C Amsler, H Breuker, M Bumbar… - Nuclear Instruments and …, 2024 - Elsevier
Abstract The Antiproton Decelerator (AD) at CERN provides antiproton bunches with a
kinetic energy of 5.3 MeV. The Extra-Low ENergy Antiproton ring at CERN, commissioned at …

Exploring the detection of AQNs in large liquid detectors

I Lazanu, M Parvu - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
Recent work from the last years has raised the possibility that a portion of Dark Matter could
consist of exotic particles, such as axion (anti) quark nuggets (AQN, AQ̅N). After a brief …

Lead fluoride Cherenkov detector read out by avalanche photodiodes for measuring the intensities of pulsed antiproton beams

Y Murakami, H Aghai-Khozani, M Hori - Nuclear Instruments and Methods …, 2019 - Elsevier
A Cherenkov detector based on an array of five lead fluoride (β-PbF 2) crystals of size 30
mm× 30 mm× 160 mm read out by reverse-type avalanche photodiodes (APD's) of active …

Laser spectroscopy measurements of metastable pionic helium atoms at paul scherrer institute

M Hori, H Aghai-Khozani, A Sótér, A Dax, D Barna - Few-body systems, 2021 - Springer
We review recent experiments carried out by the PiHe collaboration of the Paul Scherrer
Institute (PSI) that observed an infrared transition of three-body pionic helium atoms by laser …

Radiation from cold molecular clouds and Sun chromosphere produced by antiquark nugget dark matter

VV Flambaum, IB Samsonov - Physical Review D, 2022 - APS
We study the astrophysical implications of the quark nugget model of dark matter and
propose observational techniques for detecting antiquark nuggets (anti-QNs) with modern …

The upgrade of the ASACUSA scintillating bar detector for antiproton annihilation measurements

G Costantini, L Giorleo, G Gosta, M Leali… - Journal of …, 2023 - iopscience.iop.org
Antiproton annihilations on matter nuclei are usually detected by tracking the charged pions
emitted in the process. A detector made of plastic scintillating bars have been built and used …