organic scintillators from PROTEUS

excellence in scintillators

organic scintillation crystals

to add to inorganic scintillation crystals, also key organic crystals, anthracene, p-terphenyl and stilbene are available for particular applications at PROTEUS.

anthracene
chemical structure:	C₁₄H₁₀
molecular weight:	178	emission spectrum and chemical formula
specific gravity:	1.25
H:C ratio:	0.714
melting point:	216°C
reflactive index:	1.62
light output: ( photoelectrons / Mev )	2.0 x 10⁴
decay time:	30 nSec
working temp. [ °C ]	+15 ~ +35

p-terphenyl
chemical structure:	C₁₄H₁₀
molecular weight:	230	emission spectrum and chemical formula
specific gravity:	1.23
H:C ratio:	0.778
melting point:	214°C
reflactive index:	1.65
light output: ( photoelectrons / Mev )	2.7 x 10⁴
decay time:	3.0 nSec
working temp. [ °C ]	-60 ~ +80

stilbene (trans)

chemical formula
and
emission spectrum

chemical structure:

C₁₄H₁₂

molecular weight:

180

specific gravity:

1.22

H:C ratio:

0.857

melting point:

124°C

reflactive index:

1.64

light output:
( photoelectrons / Mev )

1.4 x 10⁴

decay time:

3.5 nSec

working temp. [ °C ]

-60 ~ +80


stilbene single crystal
right photographs show some examples of stilbene single crystal, 50mm (dia) x 5mm (t) disc, and 5mm cube shape element 2 inch cubic shape or 2 inch dia x 2 inch tall cylinder shape is the available maximum size


stilbene in PVT matrix
custom made stilbene element, which is crashed stilbene particles suspended in PVT base plastic scintillator matrix, is available a couple of examples are shown in right photographs

stilbene
matrix
ref. data [1]

n/gamma peak- tail pulse gated spectrum comparison of single crystal stilebene, stilbene distributed in PVT matrix and EJ-309 liquid scintillator

data provided by the courtecy of Dr. Masashi Takada of NIRS

stilbene
matrix
ref. data [2]

PHR comaprison of single crystal stilebene, stilbene distributed in PVT matrix and EJ-309 liquid scintillator

data provided by the courtecy of Dr. Masashi Takada of NIRS

sorry! this page is still under the construction . . . .


			Local distributor in Japan
PROTEUS, Inc.
	PO.Box.747, 120 Senlac Hills Drive, Chagrin Falls, Ohio 44022 U.S.A.			365-1, Sayamagahara, Iruma-shi, Saitama, 358-0032
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