Author/Authors :
Koike، نويسنده , , K. Yuasa-Nakagawa، نويسنده , , M. and Koike، نويسنده , , C. and Chihara، نويسنده , , H. and Okada، نويسنده , , M. and Matsumura، نويسنده , , M. and Awata، نويسنده , , T. and Atobe، نويسنده , , K. and Takada، نويسنده , , J.، نويسنده ,
Abstract :
Interstellar and circumstellar matter is known to be strongly irradiated by cosmic radiation and several types of cosmic ray particles. The effects of irradiation on simulated interstellar and circumstellar matter such as CaCO 3 , MgCO 3 , SiO 2 and Al 2 O 3 are investigated. Especially, thermoluminescence (TL) spectra after γ -ray and neutron irradiation are compared carefully. It is shown that the thermoluminescence after neutron irradiation appears significantly in the wavelength of blue region. On the reflectance in infrared region, the irradiation effect appears scarcely.
