Dark Matter search in the Milano Double Beta experiment and prospects for the CUORE project

被引：8

作者：

Giuliani, A

Arnaboldi, C

Brofferio, C

Bucci, C

Capelli, S

Cremonesi, O

Fiorini, E

Nucciotti, A

Pavan, M

Pedretti, M

Pessina, G

Pirro, S

Pobes, C

Previtali, E

Sisti, M

Vanzini, M

Zanotti, L

机构：

[1] Univ Insubria, Dipartimento Sci Chim Fis & Matemat, I-22100 Como, Italy

[2] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

[3] Univ Milano Bicocca, Dipartimento Fis G Occhialini, I-20126 Milan, Italy

[4] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Laquila, Italy

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2002年 / 110卷

关键词：

D O I：

10.1016/S0920-5632(02)80095-0

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

A Double Beta Decay experiment performed by the Milano group at the Laboratori Nazionali del Gran Sasso (Mi DBD experiment) consists of 20 TeO2 crystals operated as bolometers at T similar or equal to 10 mK. An 89-day low-threshold background spectrum, collected with two 340 g bolometers, was selected and analyzed to search for a possible WIMP signal. The exclusion plot in a WIMP mass - cross section plane was evaluated, assuming WIMP-nucleus spin-independent interaction. WIMP-nucleon cross sections larger than 10(-4) pb are excluded between 30 and 100 GeV WIMP masses. The planned expansions of the present experiment, named CUORICINO and CUORE, are presented in terms of sensitivity to WIMP search, considering also the seasonal modulation approach, made possible by the large masses of the future arrays (40 kg for CUORICINO and 760 kg for CUORE).

引用

页码：64 / 66

页数：3

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