title: Beryllium-7 and solar activity.
abstract: A very low concentration of (7)Be in air at Thessaloniki, Northern Greece (40 degrees 38'N, 22 degrees 58'E) was recorded on November 9, 2003 following a strong event of solar wind that occurred on October 29, 2003.
authors.affiliation: Physics Department, Nuclear Physics and Elementary Particle Physics Division, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece. papstefanou@physics.auth.gr
authors.forename: C
authors.initials: C
authors.lastname: Papastefanou
authors.forename: A
authors.initials: A
authors.lastname: Ioannidou
mesh_terms: D000396:Air Pollutants, Radioactive / Q000032:analysis*; D001417:Background Radiation; D001608:Beryllium / Q000032:analysis*; D004784:Environmental Monitoring / Q000379:methods*; D006115:Greece; D011829:Radiation Dosage; D011868:Radioisotopes / Q000032:analysis*; D011874:Radiometry / Q000379:methods*; D019445:Solar Activity; D013997:Time Factors
chemical_list: D000396:Air Pollutants, Radioactive; D011868:Radioisotopes; D001608:Beryllium