Evidence of deep-blue photon emission at high efficiency by common plastic

H. Nakamura, Yoshiyuki Shirakawa, S. Takahashi, H. Shimizu

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Various scintillation devices are used in many countries and wide scientific fields. Key elements that determine the performance of a scintillation device are the number of photons emitted per incident radiation event and the emission of easy-to-measure blue photons. It is generally known that only materials with very complex compositions perform well as scintillators. However, we demonstrated that the scintillation performance of a newly developed plastic such as 100 percent pure polyethylene naphthalate exceeds that of conventional organic scintillators. By measuring the light output spectra and emission spectra of several samples, we revealed that the plastic emits a high number of photons per incident radiation event (∼10500 photons/MeV), and, surprisingly, deep-blue photons (425 nm). Even though the plastic has a simple composition, it could replace the expensive organic scintillators that have been used in many applications.

Original languageEnglish
Article number22001
JournalEPL
Volume95
Issue number2
DOIs
Publication statusPublished - 2011 Jul
Externally publishedYes

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plastics
scintillation counters
scintillation
photons
incident radiation
polyethylenes
emission spectra
output

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Evidence of deep-blue photon emission at high efficiency by common plastic. / Nakamura, H.; Shirakawa, Yoshiyuki; Takahashi, S.; Shimizu, H.

In: EPL, Vol. 95, No. 2, 22001, 07.2011.

Research output: Contribution to journalArticle

Nakamura, H. ; Shirakawa, Yoshiyuki ; Takahashi, S. ; Shimizu, H. / Evidence of deep-blue photon emission at high efficiency by common plastic. In: EPL. 2011 ; Vol. 95, No. 2.
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