E. S. Nikiforova, “Barometric effect in extensive air showers with energies of 1017–1019 eV”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2005, Volume 81, Issue 12,Pages 741

GRAVITY, ASTROPHYSICS

Barometric effect in extensive air showers with energies of 10¹⁷–10¹⁹ eV

E. S. Nikiforova

Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch, Russian Academy of Sciences

Abstract: Seasonal variations in extensive air showers (EASs) detected at the Yakutsk EAS array are analyzed. The atmospheric pressure dependence of variations is pronounced. As the pressure increases by 1 mm of mercury, the EAS intensity decreases by 2%. No temperature dependence is revealed.

PACS: 96.40.Pq, 96.85.Ry

Received: 28.04.2005
Revised: 16.05.2005