Production of light antinuclei in pp collisions by dynamical coalescence and their fluxes in cosmic rays near earth
@article{Shao2022ProductionOL, title={Production of light antinuclei in pp collisions by dynamical coalescence and their fluxes in cosmic rays near earth}, author={Tianhao Shao and Jinhui Chen and Yugang Ma and Zhang-bu Xu}, journal={Physical Review C}, year={2022} }
Light antinucleus yields are calculated in a multiphase transport model (AMPT) coupled with a dynamical coalescence model. The model is tuned to reproduce the transverse momentum and rapidity distributions of antiproton in pp collisions at √ s = 7.7 GeV to 7 TeV. By applying a widely used cosmic ray propagation model, the antinucleus fluxes near the earth are estimated over a broad range of kinetic energies. Our result on the antideuteron flux is consistent with the calculations in the…
References
SHOWING 1-10 OF 72 REFERENCES
Prospects of detecting dark matter through cosmic-ray antihelium with the antiproton constraints
- PhysicsJournal of Cosmology and Astroparticle Physics
- 2019
Cosmic-ray (CR) antihelium is an important observable for dark matter (DM) indirect searches due to extremely low secondary backgrounds towards low energies. In a given DM model, the predicted CR…
Production of light (anti)nuclei in pp collisions at $\sqrt{s}~=~5.02$ TeV
- Physics
- 2021
The study of the production of nuclei and antinuclei in pp collisions has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic…
Implication of two-baryon azimuthal correlations in pp collisions at LHC energies on the QGP
- PhysicsPhysics Letters B
- 2022
Voyager 2 Measurements in the Outer Heliosphere of the Energy Spectra of Cosmic-Ray Nuclei from Less than 100 MeV Nucleon–1 to More than 1.0 GeV Nucleon–1
- Physics
- 2003
We have made a new analysis of cosmic-ray data from the CRS experiment on the Voyager 2 (V2) spacecraft. This analysis, which includes both penetrating and stopping particles in the HET telescope,…
Cosmic-ray antinuclei as messengers of new physics: status and outlook for the new decade
- PhysicsJournal of cosmology and astroparticle physics
- 2020
A second dedicated Antideuteron Workshop was organized at UCLA in March 2019, bringing together a community of theorists and experimentalists to review the status of current observations of cosmic-ray antinuclei, the theoretical work towards understanding these signatures, and the potential of upcoming measurements to illuminate ongoing controversies.
Observation of the antimatter helium-4 nucleus
- PhysicsNature
- 2011
The observation of the antimatter helium-4 nucleus, the heaviest observed antinucleus to date, is reported, providing an indication of the production rate of even heavier antimatter nuclei and a benchmark for possible future observations of in cosmic radiation.
Measurement of the cosmic ray proton spectrum from 40 GeV to 100 TeV with the DAMPE satellite
- PhysicsScience Advances
- 2019
The measurement of the cosmic ray proton fluxes with kinetic energies from 40 GeV to 100 TeV, with 2 1/2 years of data recorded by the DArk Matter Particle Explorer (DAMPE), suggests the existence of a new spectral feature of cosmic rays at energies lower than the so-called knee and sheds new light on the origin of Galactic cosmic rays.
Observation of an Antimatter Hypernucleus
- PhysicsScience
- 2010
The observation of antihypertritons—comprising an antiproton, an antineutron, and an antilambda hyperon—produced by colliding gold nuclei at high energy, have implications spanning nuclear and particle physics, astrophysics, and cosmology.