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修士論文 位置分解能とエネルギー分解能に優れた ピクセル型CdTe ...

修士論文 位置分解能とエネルギー分解能に優れた ピクセル型CdTe ...

修士論文 位置分解能とエネルギー分解能に優れた ピクセル型CdTe ...

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15<br />

3<br />

CdTe<br />

<br />

5 mm CdTe <br />

137 Cs 662 keV <br />

20 keV(3 %) <br />

<br />

<br />

<br />

<br />

3.1 <br />

CdTe/CdZnTe <br />

µ τ <br />

<br />

µτ µτ <br />

28<br />

<br />

<br />

N<br />

<br />

µτ <br />

Hecht (2.10) <br />

z = Z <br />

zi = (Z/L) · N 2.12 2.4 <br />

η =<br />

N∑<br />

i=zi<br />

(<br />

exp − i − zi )<br />

(φ[i + 1] − φ[i]) +<br />

λ e<br />

1∑<br />

i=zi<br />

(<br />

exp − zi − i )<br />

(φ[i] − φ[i − 1]) (3.1)<br />

λ h<br />

<br />

3.1 2.10 3.1 <br />

(∆z = (L/N)) ∆t <br />

∆t = ∆z<br />

µE<br />

2.10 3.1 <br />

3.1 <br />

<br />

<br />

THM CdTe µ<br />

(3.2)

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