Results 31 to 40 of about 2,554 (118)

Beta-decay spectroscopy of r-process nuclei around N = 126

open access: yesEPJ Web of Conferences, 2016
KEK Isotope Separation System (KISS) has been developed at RIKEN to study the β-decay properties of neutron-rich isotopes with neutron numbers around N = 126 to understand the astrophysical site of r-process.
Hirayama Y.   +15 more
doaj   +1 more source

The Primordial Particle Accelerator of the Cosmos

open access: yesUniverse, 2022
In a previous paper we have shown that superluminal particles are allowed by the general relativistic theory of gravity provided that the metric is locally Euclidean. Here we calculate the probability density function of a canonical ensemble of superluminal particles as function of temperature.
openaire   +3 more sources

Excellent Timing Cherenkov Light Detection for Dual-readout High-granularity Calorimetry [PDF]

open access: yesEPJ Web of Conferences
We are developing a Cherenkov detector aiming for applications in the next-generation calorimetry. It is a calorimetry that combines dual-readout and high-granularity with excellent timing capability.
Li Weiyuan   +9 more
doaj   +1 more source

Neutrino oscillations in matter using the adjugate of the Hamiltonian

open access: yesEuropean Physical Journal C: Particles and Fields
We revisit neutrino oscillations in constant matter density for a number of different scenarios: three flavors with the standard Wolfenstein matter potential, four flavors with standard matter potential and three flavors with non-standard matter ...
Asli Abdullahi, Stephen J. Parke
doaj   +1 more source

Semiclassical geons at particle accelerators [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2014
25 single-column pages, 2 figures, final version to appear in ...
Olmo, Gonzalo J., Rubiera-Garcia, D.
openaire   +4 more sources

Particle acceleration in astrophysical jets [PDF]

open access: yesNew Astronomy Reviews, 2020
In this chapter, we review some features of particle acceleration in astrophysical jets. We begin by describing four observational results relating to the topic, with particular emphasis on jets in active galactic nuclei and parallels between different sources.
Matthews, JH, Bell, AR, Blundell, KM
openaire   +5 more sources

Strip-based Scintillation Detector for Dual-readout High-granularity Calorimetry [PDF]

open access: yesEPJ Web of Conferences
New calorimeter technology is being developed for future collider experiments. We are developing a calorimeter that integrates two technologies, a high-granularity calorimeter and a dual-readout calorimeter, and has high time resolution at a picosecond ...
Ogawa Hiroyasu   +9 more
doaj   +1 more source

Particle Accelerator Physics [PDF]

open access: yes, 1993
This book by Helmut Wiedemann is a well-established, classic text, providing an in-depth and comprehensive introduction to the field of high-energy particle acceleration and beam dynamics. The present 4th edition has been significantly revised, updated and expanded.
openaire   +3 more sources

Challenges of Future Accelerators for Particle Physics Research

open access: yesFrontiers in Physics, 2022
For over half a century, high-energy particle accelerators have been a major enabling technology for particle and nuclear physics research as well as sources of X-rays for photon science research in material science, chemistry and biology.
Stephen Gourlay   +2 more
doaj   +1 more source

Safety for Particle Accelerators [PDF]

open access: yes, 2021
The use of non-standard technologies such as superconductivity, cryogenics and radiofrequency pose challenges for the safe operation of accelerator facilities that cannot be addressed using only best practice from occupational safety in conventional industry. This book introduces readers to different occupational safety issues at accelerator facilities
openaire   +2 more sources

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