LaBr
In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The ma...
Ausführliche Beschreibung
Autor*in: |
Bettiol, M. [verfasserIn] Preziosi, E. [verfasserIn] Borrazzo, C. [verfasserIn] Polito, C. [verfasserIn] Cinti, M.N. [verfasserIn] Pellegrini, R. [verfasserIn] Pani, R. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2017 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Nuclear instruments & methods in physics research / A - Amsterdam : North-Holland Publ. Co., 1984, 912, Seite 154-157 |
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Übergeordnetes Werk: |
volume:912 ; pages:154-157 |
DOI / URN: |
10.1016/j.nima.2017.11.010 |
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Katalog-ID: |
ELV00125457X |
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520 | |a In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. | ||
650 | 4 | |a Scintillation detector | |
650 | 4 | |a SPECT | |
650 | 4 | |a Monolithic crystal | |
650 | 4 | |a Refractive index | |
650 | 4 | |a LaBr3:Ce | |
650 | 4 | |a NaI:Tl | |
700 | 1 | |a Preziosi, E. |e verfasserin |4 aut | |
700 | 1 | |a Borrazzo, C. |e verfasserin |4 aut | |
700 | 1 | |a Polito, C. |e verfasserin |4 aut | |
700 | 1 | |a Cinti, M.N. |e verfasserin |4 aut | |
700 | 1 | |a Pellegrini, R. |e verfasserin |4 aut | |
700 | 1 | |a Pani, R. |e verfasserin |4 aut | |
773 | 0 | 8 | |i Enthalten in |t Nuclear instruments & methods in physics research / A |d Amsterdam : North-Holland Publ. Co., 1984 |g 912, Seite 154-157 |h Online-Ressource |w (DE-627)266014666 |w (DE-600)1466532-3 |w (DE-576)074959743 |x 0168-9002 |7 nnns |
773 | 1 | 8 | |g volume:912 |g pages:154-157 |
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936 | b | k | |a 33.05 |j Experimentalphysik |
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2017 |
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33.05 33.07 33.40 |
publishDate |
2017 |
allfields |
10.1016/j.nima.2017.11.010 doi (DE-627)ELV00125457X (ELSEVIER)S0168-9002(17)31196-8 DE-627 ger DE-627 rda eng 530 DE-600 33.05 bkl 33.07 bkl 33.40 bkl Bettiol, M. verfasserin aut LaBr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. Scintillation detector SPECT Monolithic crystal Refractive index LaBr3:Ce NaI:Tl Preziosi, E. verfasserin aut Borrazzo, C. verfasserin aut Polito, C. verfasserin aut Cinti, M.N. verfasserin aut Pellegrini, R. verfasserin aut Pani, R. verfasserin aut Enthalten in Nuclear instruments & methods in physics research / A Amsterdam : North-Holland Publ. Co., 1984 912, Seite 154-157 Online-Ressource (DE-627)266014666 (DE-600)1466532-3 (DE-576)074959743 0168-9002 nnns volume:912 pages:154-157 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.05 Experimentalphysik 33.07 Spektroskopie 33.40 Kernphysik AR 912 154-157 |
spelling |
10.1016/j.nima.2017.11.010 doi (DE-627)ELV00125457X (ELSEVIER)S0168-9002(17)31196-8 DE-627 ger DE-627 rda eng 530 DE-600 33.05 bkl 33.07 bkl 33.40 bkl Bettiol, M. verfasserin aut LaBr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. Scintillation detector SPECT Monolithic crystal Refractive index LaBr3:Ce NaI:Tl Preziosi, E. verfasserin aut Borrazzo, C. verfasserin aut Polito, C. verfasserin aut Cinti, M.N. verfasserin aut Pellegrini, R. verfasserin aut Pani, R. verfasserin aut Enthalten in Nuclear instruments & methods in physics research / A Amsterdam : North-Holland Publ. Co., 1984 912, Seite 154-157 Online-Ressource (DE-627)266014666 (DE-600)1466532-3 (DE-576)074959743 0168-9002 nnns volume:912 pages:154-157 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.05 Experimentalphysik 33.07 Spektroskopie 33.40 Kernphysik AR 912 154-157 |
allfields_unstemmed |
10.1016/j.nima.2017.11.010 doi (DE-627)ELV00125457X (ELSEVIER)S0168-9002(17)31196-8 DE-627 ger DE-627 rda eng 530 DE-600 33.05 bkl 33.07 bkl 33.40 bkl Bettiol, M. verfasserin aut LaBr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. Scintillation detector SPECT Monolithic crystal Refractive index LaBr3:Ce NaI:Tl Preziosi, E. verfasserin aut Borrazzo, C. verfasserin aut Polito, C. verfasserin aut Cinti, M.N. verfasserin aut Pellegrini, R. verfasserin aut Pani, R. verfasserin aut Enthalten in Nuclear instruments & methods in physics research / A Amsterdam : North-Holland Publ. Co., 1984 912, Seite 154-157 Online-Ressource (DE-627)266014666 (DE-600)1466532-3 (DE-576)074959743 0168-9002 nnns volume:912 pages:154-157 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.05 Experimentalphysik 33.07 Spektroskopie 33.40 Kernphysik AR 912 154-157 |
allfieldsGer |
10.1016/j.nima.2017.11.010 doi (DE-627)ELV00125457X (ELSEVIER)S0168-9002(17)31196-8 DE-627 ger DE-627 rda eng 530 DE-600 33.05 bkl 33.07 bkl 33.40 bkl Bettiol, M. verfasserin aut LaBr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. Scintillation detector SPECT Monolithic crystal Refractive index LaBr3:Ce NaI:Tl Preziosi, E. verfasserin aut Borrazzo, C. verfasserin aut Polito, C. verfasserin aut Cinti, M.N. verfasserin aut Pellegrini, R. verfasserin aut Pani, R. verfasserin aut Enthalten in Nuclear instruments & methods in physics research / A Amsterdam : North-Holland Publ. Co., 1984 912, Seite 154-157 Online-Ressource (DE-627)266014666 (DE-600)1466532-3 (DE-576)074959743 0168-9002 nnns volume:912 pages:154-157 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.05 Experimentalphysik 33.07 Spektroskopie 33.40 Kernphysik AR 912 154-157 |
allfieldsSound |
10.1016/j.nima.2017.11.010 doi (DE-627)ELV00125457X (ELSEVIER)S0168-9002(17)31196-8 DE-627 ger DE-627 rda eng 530 DE-600 33.05 bkl 33.07 bkl 33.40 bkl Bettiol, M. verfasserin aut LaBr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. Scintillation detector SPECT Monolithic crystal Refractive index LaBr3:Ce NaI:Tl Preziosi, E. verfasserin aut Borrazzo, C. verfasserin aut Polito, C. verfasserin aut Cinti, M.N. verfasserin aut Pellegrini, R. verfasserin aut Pani, R. verfasserin aut Enthalten in Nuclear instruments & methods in physics research / A Amsterdam : North-Holland Publ. Co., 1984 912, Seite 154-157 Online-Ressource (DE-627)266014666 (DE-600)1466532-3 (DE-576)074959743 0168-9002 nnns volume:912 pages:154-157 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.05 Experimentalphysik 33.07 Spektroskopie 33.40 Kernphysik AR 912 154-157 |
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Enthalten in Nuclear instruments & methods in physics research / A 912, Seite 154-157 volume:912 pages:154-157 |
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530 DE-600 33.05 bkl 33.07 bkl 33.40 bkl LaBr Scintillation detector SPECT Monolithic crystal Refractive index LaBr3:Ce NaI:Tl |
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Bettiol, M. Preziosi, E. Borrazzo, C. Polito, C. Cinti, M.N. Pellegrini, R. Pani, R. |
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In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. |
abstractGer |
In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. |
abstract_unstemmed |
In this work, an experimental comparison of the capabilities of a scintillation detector based on a NaI:Tl and a LaBr 3 :Ce monolithic crystals is presented. The main advantage of LaBr 3 :Ce respect to NaI:Tl is its very high light yield (i.e. 63photons/keV versus 38photons/keV), allowing a considerable improvement of the statistical factor affecting light collection and, consequently, Spatial Resolution (SR) and Energy Resolution (ER). Nevertheless, the following results show that the improvement of the SR with the LaBr 3 :Ce is smaller than expected. As analyzed, it could be due to the LaBr 3 :Ce refractive index higher than the NaI:Tl one, that leads to a loss of scintillation light. In fact, the measurements produce similar imaging results (SR at crystal center is about 1.1mm for both crystals), while the ER is slightly better for the LaBr 3 :Ce, as expected (7.6% and 8.8% for LaBr 3 :Ce and NaI:Tl, respectively). This work encourages a further and more specific analysis about how the refractive index affects the amount and the shape of crystal light distribution. |
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