Development of a New Detector for Solar Neutrino Detection

DAI Chang-Jiang; HE Hui-Lin; YE Zi-Piao; SHENG Xiang-Dong

Chinese Physics C> 2004, Vol. 28> Issue(5) : 526-531

Development of a New Detector for Solar Neutrino Detection

Astroparticle Physics Center,Institute of High Energy Physics,CAS,Beijing 100039,China

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Abstract：
The research and development of a new type detector for solar neutrino detection is introduced. The detector uses two types of scintillators: one is the gadolinium(Gd) loaded liquid scintillator with the concentration of 5%, for which the light attenuation length is ≥150cm and the energy resolution is 21%(standard deviation) for 60keV Gamma-ray; the other is a 1cm×3cm GSO:Ce crystal, which has the light yield 20% with respect to the NaI:Tl, the light decay time 60ns and the energy resolution 9.2%(standard deviation) for 662keV Gamma-ray. The characters of the detector composed by both scintillators for solar neutrino detector and the methods to suppress the backgroud are discussed. A simulation for such detector with the size 10cm×50cm shows the light collection efficiency can reach 20%.

References

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. Davis R et al. Phys. Rev. Lett. , 1968, 2012052. Hampel W et al ( GALLEX Collab. ) . Phys. Lett. , 1999, B447: 1273. Abdurashitov J J N et al (SAGE Collab. ) . hep- ph/02042454. Smy M B et al (Super Kamiokand. Collab. ) . hep-ex/02020205. DAI Chang-Jiang et al. Chinese High Energy Physics Development andStragem Conference, May 2000(戴长江等,中国高能物理发展占率研讨会报告文集非加速器物理分册, 2000年5月)6. Ahmad Q R et al ( SNO Collab. ) . Phys. Rev. Lett . , 2002, 89( 1) :011301, 0113027. Eguchi K et al ( KamLAND Collab. ) . hep-ex/02120218. Bahcall J N et al. hep-ph/02121479. Back H O et al ( BOREXINO Collab. ) . Phys. Lett . , 2002, B525: 2910. LENS Collaboration. Proposal to Laboratori Nazionali del Gran Sasso( LNGS ) , 199911. Raghavan R S. Phys. Rev. Lett . , 1997, 78: 361812. Yamanaka T et al. LENCSE Workshop May 1998 in Paris13. DAI C J et al . Development of new Detectors for Measurement of pp and 7Be Solar neutrino, Talk at the Workshop. 98 in Oulu of Finland14. Michel Cribier. DAPNIA-SPP 99-09, Saclay, April 22, 1999

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DAI Chang-Jiang, HE Hui-Lin, YE Zi-Piao and SHENG Xiang-Dong. Development of a New Detector for Solar Neutrino Detection[J]. Chinese Physics C, 2004, 28(5): 526-531.

DAI Chang-Jiang, HE Hui-Lin, YE Zi-Piao and SHENG Xiang-Dong. Development of a New Detector for Solar Neutrino Detection[J]. Chinese Physics C, 2004, 28(5): 526-531. shu

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Received: 2003-08-19
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Development of a New Detector for Solar Neutrino Detection

Corresponding author: DAI Chang-Jiang,

Astroparticle Physics Center,Institute of High Energy Physics,CAS,Beijing 100039,China

Received Date: 2003-08-19
Accepted Date: 1900-01-01
Available Online: 2004-05-05

Abstract: The research and development of a new type detector for solar neutrino detection is introduced. The detector uses two types of scintillators: one is the gadolinium(Gd) loaded liquid scintillator with the concentration of 5%, for which the light attenuation length is ≥150cm and the energy resolution is 21%(standard deviation) for 60keV Gamma-ray; the other is a 1cm×3cm GSO:Ce crystal, which has the light yield 20% with respect to the NaI:Tl, the light decay time 60ns and the energy resolution 9.2%(standard deviation) for 662keV Gamma-ray. The characters of the detector composed by both scintillators for solar neutrino detector and the methods to suppress the backgroud are discussed. A simulation for such detector with the size 10cm×50cm shows the light collection efficiency can reach 20%.