Performance of updated shielding system in CANDLES | Zendy

K. Nakajima | Zendy; T. Batpurev | Zendy; W. M. Chan | Zendy; F. Dokaku | Zendy; K. Fushimi | Zendy; R. Hazama | Zendy; H. Hiraoka | Zendy; T. Hiyama | Zendy; T. Iida | Zendy; Masahiro Ishikawa | Zendy; K. Kanagawa | Zendy; S. Katagiri | Zendy; K. Kawasaki | Zendy; B. T. Khai | Zendy; H. Kino | Zendy; E. Kinoshita | Zendy; T. Kishimoto | Zendy; X. Li | Zendy; T. Maeda | Zendy; K. Matsuoka | Zendy; Michael Möser | Zendy; M. Nomachi | Zendy; Izumi Ogawa | Zendy; Toshihiro Ohata | Zendy; H. Sato | Zendy; Yuki Sato | Zendy; K. Shamoto | Zendy; Miho Shimada | Zendy; M. Shokati | Zendy; N. Takahashi | Zendy; Y. Takemoto | Zendy; Y. Takihira | Zendy; Y. Tamagawa | Zendy; K. Teranishi | Zendy; K. Tetsuno | Zendy; M. Tozawa | Zendy; V. T. T. Trang | Zendy; M. Tsuzuki | Zendy; S. Umehara | Zendy; W. Wang | Zendy; S. Yoshida | Zendy; N. Yotsunaga | Zendy

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Performance of updated shielding system in CANDLES

Author(s) -

K. Nakajima,

T. Batpurev,

W. M. Chan,

F. Dokaku,

K. Fushimi,

R. Hazama,

H. Hiraoka,

T. Hiyama,

T. Iida,

Masahiro Ishikawa,

K. Kanagawa,

S. Katagiri,

K. Kawasaki,

B. T. Khai,

H. Kino,

E. Kinoshita,

T. Kishimoto,

X. Li,

T. Maeda,

K. Matsuoka,

Michael Möser,

M. Nomachi,

Izumi Ogawa,

Toshihiro Ohata,

H. Sato,

Yuki Sato,

K. Shamoto,

Miho Shimada,

M. Shokati,

N. Takahashi,

Y. Takemoto,

Y. Takihira,

Y. Tamagawa,

K. Teranishi,

K. Tetsuno,

M. Tozawa,

V. T. T. Trang,

M. Tsuzuki,

S. Umehara,

W. Wang,

S. Yoshida,

N. Yotsunaga

Publication year - 2018

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.5018999

Subject(s) - electromagnetic shielding , detector , neutron , nuclear physics , neutrino , natural rubber , double beta decay , physics , nuclear engineering , optics , materials science , engineering , composite material , quantum mechanics

CANDLES aims to measure the very rare neutrino-less double beta decays using 48Ca which has the highest value among all isotope candidates. Low background techniques are the key to observe such rare phenomena. The largest background was found to be the high energy gamma rays from neutron captures on abundant material near the detector. The shielding system consisted of lead and B-contained rubber sheet was constructed to reduce the background. Performance of the constructed shielding system were described in this paper.CANDLES aims to measure the very rare neutrino-less double beta decays using 48Ca which has the highest value among all isotope candidates. Low background techniques are the key to observe such rare phenomena. The largest background was found to be the high energy gamma rays from neutron captures on abundant material near the detector. The shielding system consisted of lead and B-contained rubber sheet was constructed to reduce the background. Performance of the constructed shielding system were described in this paper.

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