Experimental limit to interstellar {sup 244}Pu abundance

Short-lived nuclides, now extinct in the solar system, are expected to be present in the interstellar medium (ISM). Grains of ISM origin were recently discovered in the inner solar system and at Earth orbit and may accrete onto Earth after ablation in the atmosphere. A favorable matrix for detection...

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Veröffentlicht in:	The Astrophysical journal 2001-09, Vol.558 (2, Pt. 2 ; Sep. 10, 2001)
Hauptverfasser:	Paul, M., Valenta, A., Ahmad, I., Berkovits, D., Bordeanu, C., Ghelberg, S., Hashimoto, Y., Hershkowitz, A., Jiang, S., Nakanishi, T., Sakamoto, K., Physics, Hebrew Univ, Univ. of Vienna, Soreg NRC, Weizmann Inst. of Science, Kanazawa Univ
Format:	Artikel
Sprache:	eng
Schlagworte:	ABLATION ABUNDANCE ATOMS DETECTION EARTH PLANET FALLOUT INTERSTELLAR GRAINS ISOTOPES NUCLEAR PHYSICS AND RADIATION PHYSICS ORIGIN PACIFIC OCEAN PLUTONIUM 244 SEA BED SEDIMENTS SOLAR SYSTEM
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