NEXT-100 Technical Design Report (TDR). Executive summary

被引：90

作者：

Alvarez, V. ^{[1
,2
]}

Borges, F. I. G. M. ^{[3
]}

Carcel, S. ^{[1
,2
]}

Carmona, J. M. ^{[4
]}

Castel, J. ^{[4
]}

Catala, J. M. ^{[5
]}

Cebrian, S. ^{[4
]}

Cervera, A. ^{[1
,2
]}

Chan, D. ^{[6
]}

Conde, C. A. N. ^{[3
]}

Dafni, T. ^{[4
]}

Dias, T. H. V. T. ^{[3
]}

Diaz, J. ^{[1
,2
]}

Egorov, M. ^{[6
]}

Esteve, R. ^{[5
]}

Evtoukhovitch, P. ^{[7
]}

Fernandes, L. M. P. ^{[3
]}

Ferrario, P. ^{[1
,2
]}

Ferreira, A. L. ^{[8
]}

Ferrer-Ribas, E. ^{[9
]}

Freitas, E. D. C. ^{[3
]}

Gehman, V. M. ^{[6
]}

Gil, A. ^{[1
,2
]}

Giomataris, I. ^{[9
]}

Goldschmidt, A. ^{[6
]}

Gomez, H. ^{[4
]}

Gomez-Cadenas, J. J. ^{[1
,2
]}

Gonzalez, K. ^{[1
,2
]}

Gonzalez-Diaz, D. ^{[4
]}

Gutierrez, R. M. ^{[10
]}

Hauptman, J. ^{[11
]}

Hernando Morata, J. A. ^{[12
]}

Herrera, D. C. ^{[4
]}

Herrero, V. ^{[5
]}

Iguaz, F. J. ^{[9
]}

Irastorza, I. G. ^{[4
]}

Kalinnikov, V. ^{[7
]}

Kiang, D. ^{[6
]}

Labarga, L. ^{[13
]}

Liubarsky, I. ^{[1
,2
]}

Lopes, J. A. M. ^{[3
]}

Lorca, D. ^{[1
,2
]}

Losada, M. ^{[10
]}

Luzon, G. ^{[4
]}

Mari, A. ^{[5
]}

Martin-Albo, J. ^{[1
,2
]}

Martinez, A. ^{[1
,2
]}

Miller, T. ^{[6
]}

Moiseenko, A. ^{[7
]}

Monrabal, F. ^{[1
,2
]}

机构：

[1] CSIC, Inst Fis Corpuscular IFIC, Valencia 46980, Spain

[2] Univ Valencia, Valencia 46980, Spain

[3] Univ Coimbra, Dept Fis, P-3004516 Coimbra, Portugal

[4] Univ Zaragoza, Lab Fis Nucl & Astroparticulas, E-50009 Zaragoza, Spain

[5] Univ Politecn Valencia, I3M, Valencia 46022, Spain

[6] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[7] Joint Inst Nucl Res, Dubna 141980, Russia

[8] Univ Aveiro, i3N, P-3810193 Aveiro, Portugal

[9] CEA Saclay, IRFU, F-91191 Gif Sur Yvette, France

[10] Univ Antonio Narino, Ctr Invest Ciencias Basicas & Aplicadas, Bogota, Colombia

[11] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[12] Univ Santiago de Compostela, IGFAE, Santiago De Compostela 15782, Spain

[13] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain

[14] Univ Politecn Valencia, Dpto Mecan Medios Continuos & Teor Estruct, E-46071 Valencia, Spain

[15] UAM CSIC, IFT, Madrid 28049, Spain

[16] Univ Girona, Escola Politecn Super, Girona 17071, Spain

[17] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA

来源：

JOURNAL OF INSTRUMENTATION | 2012年 / 7卷

基金：

欧洲研究理事会;

关键词：

Detector design and construction technologies and materials; Time projection chambers; DOUBLE-BETA DECAY; SPECTROMETRY;

D O I：

10.1088/1748-0221/7/06/T06001

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this Technical Design Report (TDR) we describe the NEXT-100 detector that will search for neutrinoless double beta decay (beta beta 0v) in Xe-136 at the Laboratorio Subterraneo de Canfranc (LSC), in Spain. The document formalizes the design presented in our Conceptual Design Report (CDR): an electroluminescence time projection chamber, with separate readout planes for calorimetry and tracking, located, respectively, behind cathode and anode. The detector is designed to hold a maximum of about 150 kg of xenon at 15 bar, or 100 kg at 10 bar. This option builds in the capability to increase the total isotope mass by 50% while keeping the operating pressure at a manageable level. The readout plane performing the energy measurement is composed of Hamamatsu R11410-10 photomultipliers, specially designed for operation in low-background, xenon-based detectors. Each individual PMT will be isolated from the gas by an individual, pressure resistant enclosure and will be coupled to the sensitive volume through a sapphire window. The tracking plane consists in an array of Hamamatsu S10362-11-050P MPPCs used as tracking pixels. They will be arranged in square boards holding 64 sensors (8 x 8) with a 1-cm pitch. The inner walls of the TPC, the sapphire windows and the boards holding the MPPCs will be coated with tetraphenyl butadiene (TPB), a wavelength shifter, to improve the light collection.

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