Table 1 CTR achieved with Broadcom NUV-MT SiPMs and the HF readout circuit and different back-end electronics at optimum bias settings and trigger threshold settings

TAC LYSO:Ce,Ca

2\(\times\)2\(\times\)3 mm\(^{3}\)

1

58 ± 1

128 ± 2

3\(\times\)3\(\times\)19 mm\(^{3}\)

1

95 ± 2 [3]

157 ± 1 [3]

2\(\times\)2\(\times\)3 mm\(^{3}\)

1 of 16^‡

n.a.

120 ± 1

3.88\(\times\)3.88\(\times\)19 mm\(^{3}\)

16

n.a.

219 ± 24

EPIC BGO

2\(\times\)2\(\times\)3 mm\(^{3}\)

1

117\(^{\circ }\)

480

101 (57 %) / 285 (43 %)

342 (30 %) / 921 (70 %)

TAC LYSO:Ce,Ca

2\(\times\)2\(\times\)3 mm\(^{3}\)

1

20

70 ± 1

n.a.

2\(\times\)2\(\times\)3 mm\(^{3}\)

1

40

70 ± 1

118 ± 6

2\(\times\)2\(\times\)3 mm\(^{3}\)

1

90

78 ± 1

121 ± 6

2\(\times\)2\(\times\)3 mm\(^{3}\)

1

200

90 ± 1

126 ± 6

3\(\times\)3\(\times\)19 mm\(^{3}\)

1

40

n.a.

161 ± 3

3\(\times\)3\(\times\)19 mm\(^{3}\)

1

90

n.a.

165 ± 3

3\(\times\)3\(\times\)19 mm\(^{3}\)

1

200

n.a.

182 ± 2

2\(\times\)2\(\times\)3 mm\(^{3}\)

1 of 16^‡

40^*

79 ± 3

175 ± 5

2\(\times\)2\(\times\)3 mm\(^{3}\)

1 of 16^‡

40^†

n.a.

131 ± 2

2\(\times\)2\(\times\)3 mm\(^{3}\)

1 of 16^‡

90^†

n.a.

134 ± 2

3.88\(\times\)3.88\(\times\)19 mm\(^{3}\)

1 of 16^‡

40^*

137 ± 2

n.a.

3.88\(\times\)3.88\(\times\)19 mm\(^{3}\)

16

40^*

173 ± 4^x

242 ± 27^xx

3.88\(\times\)3.88\(\times\)19 mm\(^{3}\)

16

40^†

n.a.

223 ± 17^xx

3.88\(\times\)3.88\(\times\)19 mm\(^{3}\)

16

90^†

n.a.

235 ± 16^xx

3.88\(\times\)3.88\(\times\)19 mm\(^{3}\)

16

90

n.a.

240 ± 14^xx

EPIC BGO

2\(\times\)2\(\times\)3 mm\(^{3}\)

1

50

542

447 (33 %) / 939 (67 %)

2\(\times\)2\(\times\)3 mm\(^{3}\)

1 of 16^‡

40^*

359

n.a.