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Related papers: Antimatter

200 papers

We review the physics of low-energy antiprotons, and its link with the nuclear forces. This includes: antinucleon scattering on nucleons and nuclei, antiprotonic atoms and antinucleon-nucleon annihilation into mesons.

Nuclear Theory · Physics 2020-02-06 Jean-Marc Richard

The cosmological origin of both dark and baryonic matter can be explained through a unified mechanism called hylogenesis where baryon and antibaryon number are divided between the visible sector and a GeV-scale hidden sector, while the…

High Energy Physics - Phenomenology · Physics 2012-12-04 Nikita Blinov , David E. Morrissey , Kris Sigurdson , Sean Tulin

The cosmological abundance of nucleons determined from considerations of Big Bang nucleosynthesis allegedly provides compelling evidence for non-nucleonic dark matter. Recent developments in measurements of primordial light element…

Astrophysics · Physics 2007-05-23 Subir Sarkar

Interactions of heavy Majorana neutrinos in the thermal phase of the early universe may be the origin of the cosmological matter-antimatter asymmetry. Successful baryogenesis, independent of initial conditions, is possible for neutrino…

High Energy Physics - Phenomenology · Physics 2016-09-06 Wilfried Buchmüller

A model concerning particle theory and cosmology is proposed. Matter field, dark matter and dark energy are created by an energy flow from space to primordial matter fields at the phase transition in the early universe.

General Physics · Physics 2024-10-08 Masayasu Tsuge

The existence of cosmological dark matter is in the bedrock of the modern cosmology. The dark matter is assumed to be nonbaryonic and to consist of new stable particles. However if composite dark matter contains stable electrically charged…

High Energy Physics - Phenomenology · Physics 2018-05-02 Maxim Yu. Khlopov

Antimatter nuclei in cosmic rays (CRs) are a promising tool for the indirect detection of dark-matter annihilation signatures. However, the search of new-physics signals in CRs relies on our knowledge of the astrophysical antimatter…

High Energy Astrophysical Phenomena · Physics 2018-07-31 Alberto Oliva , Nicola Tomassetti , Jie Feng

I review two different connections between particle theory and early-Universe cosmology: (1) Cosmic-microwave-background (CMB) tests of inflation and (2) particle dark matter. The inflationary predictions of a flat Universe and a nearly…

Astrophysics · Physics 2007-05-23 Marc Kamionkowski

We discuss selected topics in the field of particle- and astrophysics with neutrons. They have a direct link with our understanding of the history of the Universe and are related to recent, ongoing or future measurements. They deal with the…

High Energy Physics - Experiment · Physics 2012-05-14 Stephan Paul

Neutrino properties can play a crucial role in determining the matter-antimatter asymmetry of the universe if thermal leptogenesis is the correct solution to the baryogenesis problem. Owing to this, the study of neutrino models goes beyond…

High Energy Physics - Phenomenology · Physics 2009-01-12 Sandy S. C. Law

Underground laboratories host two kind of experiments at the frontier of our knowledge in Particle Physics, Astrophysics and Cosmology: the direct detection of the Dark Matter of the Universe and the search for the Neutrinoless Double Beta…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-17 Igor G. Irastorza

I give a review of the development of the concept of dark matter. The dark matter story passed through several stages from a minor observational puzzle to a major challenge for theory of elementary particles. Modern data suggest that dark…

Cosmology and Nongalactic Astrophysics · Physics 2013-08-13 Jaan Einasto

This paper reviews the new highly interdisciplinary research field studying the behavior of condensed matter systems exposed to radiation. The paper highlights several relevant examples of recent advances in the field and provides a roadmap…

With the advances in high resolution and spin-resolved scanning tunneling microscopy as well as atomic-scale manipulation, it has become possible to create and characterize quantum states of matter bottom-up, atom-by-atom. This is largely…

Mesoscale and Nanoscale Physics · Physics 2020-06-01 Alexander A. Khajetoorians , Daniel Wegner , Alexander F. Otte , Ingmar Swart

Although well established observations on cosmological, cluster, and galactic scales strongly suggest the existence of dark matter (DM), our understanding of its non-gravitational properties is still lacking. I review basic aspects of…

High Energy Physics - Phenomenology · Physics 2010-08-04 Marco Regis

Conventional thermodynamics, which is formulated for our world populated by radiation and matter, can be extended to describe physical properties of antimatter in two mutually exclusive ways: CP-invariant or CPT-invariant. Here we refer to…

Statistical Mechanics · Physics 2014-04-02 A. Y. Klimenko , U. Maas

The origin of dark matter is a driving question of modern physics. Low-energy antideuterons provide a "smoking gun" signature of dark matter annihilation or decay, essentially free of astrophysical background. Low-energy antiprotons are a…

The nature of dark matter and the origin of the baryon asymmetry are two of the deepest mysteries of modern particle physics. In the absence of hints regarding a possible solution to these mysteries, many approaches have been developed to…

High Energy Physics - Phenomenology · Physics 2013-12-19 S. M. Boucenna , S. Morisi

We suggest that the eventual gravitational repulsion between matter and antimatter may be a key for understanding of the nature of dark matter and dark energy. If there is gravitational repulsion, virtual particle-antiparticle pairs in the…

General Physics · Physics 2009-10-21 Dragan Slavkov Hajdukovic

Magnetism is very important in science and technology, from magnetic recording to energy generation to trapping cold atoms. Physicists have managed to master magnetism - to create and manipulate magnetic fields- almost at will.…

Superconductivity · Physics 2015-05-28 Alvaro Sanchez , Carles Navau , Jordi Prat , Du-Xing Chen