Determination of the Cosmic Antideuteron Flux in a Monte Carlo approach

  title={Determination of the Cosmic Antideuteron Flux in a Monte Carlo approach},
  author={Alejandro Ibarra and Sebastian Wild},
  journal={Physical Review D},
We investigate in this paper the antideuteron flux produced in high energy collisions of cosmic rays with the interstellar matter. We employ the Monte Carlo generator DPMJET-III together with the coalescence model to simulate, in an event-by-event basis, the antideuteron production in cosmic ray collisions in our Galaxy. Then, we use a diffusion model to calculate the expected flux. We find a secondary antideuteron flux at the Earth which is approximately a factor of two smaller than in… 

Figures and Tables from this paper

Large-scale simulations of antihelium production in cosmic-ray interactions
The possibility of antihelium production in interaction of cosmic rays with the interstellar gas is studied using large-scale Monte Carlo simulations. For this purpose, an energy-dependent
This work calculates antiproton production in pp-, pA-, and AA-interactions using EPOS-LHC and QGSJET-II-04, two of the most advanced Monte Carlo (MC) generators tuned to numerous accelerator data including those from the Large Hadron Collider.
Deuteron and antideuteron production simulation in cosmic-ray interactions
The study of the cosmic-ray deuteron and antideuteron flux receives an increasing interest in current astrophysics investigations. For both cases an important contribution is expected from the
SM antideuteron background to indirect dark matter signals in galactic cosmic rays
Antideuteron production cross-sections estimated using EPOS-LHC with a coalescence afterburner, tuned to reproduce published experimental data over a wide range of energy were used here as input to
Status of cosmic-ray antideuteron searches
The precise measurement of cosmic-ray antiparticles serves as important means for identifying the nature of dark matter. Recent years showed that identifying the nature of dark matter with cosmic-ray
Production and acceleration of antinuclei in supernova shockwaves
We compute the energy spectra of antideuterons and antihelium in cosmic rays (CRs) in a scenario where hadronic interactions inside supernova remnants (SNRs) can produce a
Antideuterons in cosmic rays: sources and discovery potential
Antibaryons are produced in our Galaxy in collisions of high energy cosmic rays with the interstellar medium and in old supernova remnants, and possibly, in exotic sources such as primordial black
Dark matter searches with cosmic antideuterons: status and perspectives
The search for antideuterons in cosmic rays has been proposed as a promising channel for dark matter indirect detection, especially for dark matter particles with a low or intermediate mass. With the
Dark matter identification with cosmic-ray antideuterons
Recent years have seen increased theoretical and experimental effort towards the first-ever detection of cosmic-ray antideuterons, in particular as an indirect signature of dark matter annihilation
AAfrag 2.01: Interpolation routines for Monte Carlo results on secondary production including light antinuclei in hadronic interactions
Light antinuclei, like antideuteron and antihelium-3, are ideal probes for new, exotic physics because their astrophysical backgrounds are suppressed at low energies. In order to exploit fully the


Cosmic-ray secondary antiprotons - A closer look
Following a suggestion of Webber that early calculations underestimated the intensity of secondary anti-protons, three aspects of the calculation have been systematically reexamined: the
Search for cosmic-ray antideuterons.
A search for cosmic-ray antideuterons using data collected during four BESS balloon flights from 1997 to 2000 found no candidate and derived an upper limit of 1.9 x 10(-4) (m2s sr GeV/nucleon)(-1) for the differential flux at the top of the atmosphere.
Evidence for the existence of cosmic-ray antiprotons
A search for cosmic-ray antiprotons was recently performed with the use of a balloon-borne superconducting-magnet spectrometer. A total of 46 antiproton candidates were observed in the rigidity
New measurement of the antiproton-to-proton flux ratio up to 100 GeV in the cosmic radiation.
A new measurement of the cosmic-ray antiproton-to-proton flux ratio between 1 and 100 GeV is presented, which is a tenfold improvement in statistics with respect to all previously published data.
The Event Generator DPMJET-III at Cosmic Ray Energies
A new version of the Monte Carlo event generator DPMJET for air shower simulations is presented. It is a code system based on the Dual Parton Model and combines all features of the DTUNUC-2,
Measurement of 0.25-3.2 GeV antiprotons in the cosmic radiation.
The balloon-borne Isotope Matter-Antimatter Experiment was flown from Lynn Lake, Manitoba, Canada on 16–17 July 1992 and using velocity and magnetic rigidity to determine mass, the absolute flux of antiprotons and the antiproton/proton ratio are consistent with recent theoretical work.
Flux of light antimatter nuclei near Earth, induced by cosmic rays in the Galaxy and in the atmosphere
The fluxes of light antinuclei A� 4 induced near earth by Cosmic Ray interactions with the interstellar matter in the Galaxy and with the Earth atmosphere are calculated in a phenomenological
Precision measurement of cosmic-Ray antiproton spectrum
The peak spectrum is reproduced by theoretical calculations, implying that the propagation models are basically correct and that different cosmic-ray species undergo a universal propagation.
Cosmic antiprotons as a probe for supersymmetric dark matter
The flux of cosmic-ray antiprotons from neutralino annihilations in the Galactic halo is computed for a large sample of models in the minimal supersymmetric extension of the standard model (MSSM). We
The production of anti-matter in our galaxy