| Photon emission from massive projectile impacts on solids. | |
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MedLine Citation:
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PMID: 21603128 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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First evidence of photon emission from individual impacts of massive gold projectiles on solids for a number of projectile-target combinations is reported. Photon emission from individual impacts of massive Au(n) (+q) (1 ≤ n ≤ 400; q = 1-4) projectiles with impact energies in the range of 28-136 keV occurs in less than 10 ns after the projectile impact. Experimental observations show an increase in the photon yield from individual impacts with the projectile size and velocity. Concurrently with the photon emission, electron emission from the impact area has been observed below the kinetic emission threshold and under unlikely conditions for potential electron emission. We interpret the puzzling electron emission and correlated luminescence observation as evidence of the electronic excitation resulting from the high-energy density deposited by massive cluster projectiles during the impact. |
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Authors:
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F A Fernandez-Lima; V T Pinnick; S Della-Negra; E A Schweikert |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: Surface and interface analysis : SIA Volume: 43 ISSN: 0142-2421 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-5-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101479368 Medline TA: Surf Interface Anal Country: - |
Other Details:
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Languages: ENG Pagination: 53-57 Citation Subset: - |
Affiliation:
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Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA. |
Export Citation:
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Descriptor/Qualifier:
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| Grant Support | |
ID/Acronym/Agency:
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K99 RR030188-01//NCRR NIH HHS |
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