Test of CsI(Tl) crystals for the Dark Matter Search

Kim, H.J.; Ahn, H.J.; Kim, S.K.; Won, E.; Kim, T.Y.; Kim, Y.D.; Lee, M.H.; Chai, J.S.; Ha, J.H.

Test of CsI(Tl) crystals for the Dark Matter Search

H.J. Kim
(
- Seoul Natl. U. and
- Louisiana State U.
)
,
H.J. Ahn
(
- Seoul Natl. U.
)
,
S.K. Kim
(
- Seoul Natl. U.
)
,
E. Won
(
- Seoul Natl. U. and
- KEK, Tsukuba
)
,
T.Y. Kim
(
- Seoul Natl. U.
)

Oct, 1999

14 pages

e-Print:

physics/9910044 [physics.ins-det]

Report number:

SNUHEP-99-1

View in:

ADS Abstract Service

pdf

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Abstract:

Searches for weakly interacting massive particles(WIMP) can be based on the dete ction of nuclear recoil energy in CsI(Tl) crystals. We demonstrate that low energy gamma rays down to few keV is detected with CsI(Tl) crystal detector. A clear peak at 6 keV is observed using X-ray source. Good energy resolution and linearity have been achieved down to X-ray region. In addition, we also show that alpha particles and gamma rays can be clearly separated using the different time characteristics of the crystal.

Note:

14 pages(7 figures), Latex, submitted to Nuclear Instruments and Methods A •
Submitted to Nucl.Instrum.Meth.A

astrophysics: missing-mass
WIMP: search for
scintillation counter: crystal
cesium: iodine
nucleus: recoil
photon: background
energy resolution

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