activity
19962022
most citedObservation of a Large-scale Anisotropy in the Arrival Directions of Cosmic Rays above eV

409 citations · 6.9k across the 81 of their papers we have counts for

collaborators
Showing astro-phShow all

10 papers · 1 filter

astro-ph2007★ 374 cited

Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei

The Pierre Auger Collaboration

Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival directions of the cosmic rays with the highest energies, which are correlated with the…

astro-ph2007

Formation of molecular hydrogen on amorphous silicate surfaces

Ling Li, Giulio Manico, Emanuele Congiu +8

Experimental results on the formation of molecular hydrogen on amorphous silicate surfaces are presented and analyzed using a rate equation model. The energy barriers for the relev…

astro-ph2007★ 65 cited

Molecular Hydrogen Formation on Amorphous Silicates Under Interstellar Conditions

Hagai B. Perets, Adina Lederhendler, Ofer Biham +8

Experimental results on the formation of molecular hydrogen on amorphous silicate surfaces are presented for the first time and analyzed using a rate equation model. The energy bar…

astro-ph2005★ 33 cited

Formation of molecular hydrogen on analogues of interstellar dust grains: experiments and modelling

Gianfranco Vidali, Joe Roser, Giulio Manico +3

Molecular hydrogen has an important role in the early stages of star formation as well as in the production of many other molecules that have been detected in the interstellar medi…

astro-ph2004★ 106 cited

Molecular Hydrogen Formation on Ice Under Interstellar Conditions

Hagai B. Perets, Ofer Biham, Giulio Manico +4

The results of experiments on the formation of molecular hydrogen on low density and high density amorphous ice surfaces are analyzed using a rate equation model. The activation en…

astro-ph2000★ 200 cited

Master Equation for Hydrogen Recombination on Grain Surfaces

Ofer Biham, Itay Furman, Valerio Pirronello +1

Recent experimental results on the formation of molecular hydrogen on astrophysically relevant surfaces under conditions similar to those encountered in the interstellar medium pro…

astro-ph1999★ 333 cited

Molecular Hydrogen Formation on Astrophysically Relevant Surfaces

N. Katz, I. Furman, O. Biham +2

Recent experimental results about the formation of molecular hydrogen on astrophysically relevant surfaces under conditions close to those encountered in the interstellar medium ar…

astro-ph1998★ 48 cited

H2 Formation on Interstellar Grains in Different Physical Regimes

O. Biham, I. Furman, N. Katz +2

An analysis of the kinetics of H2 formation on interstellar dust grains is presented using rate equations. It is shown that semi-empirical expressions that appeared in the literatu…

astro-ph1997★ 183 cited

Efficiency of Molecular Hydrogen Formation on Silicates

V. Pirronello, O. Biham, C. Liu +2

We report on laboratory measurements of molecular hydrogen formation and recombination on an olivine slab as a function of surface temperature under conditions relevant to those en…

astro-ph1996★ 175 cited

Laboratory Synthesis of Molecular Hydrogen on Surfaces of Astrophysical Interest

V. Pirronello, Chi Liu, Liyong Shen +1

We report on the first results of experiments to measure the recombination rate of hydrogen on surfaces of astrophysical interest. Our measurements give lower values for the recomb…