ÚTEF - Ústav technické a experimentální fyziky ČVUT - České vysoké učení technické v Praze
Česky English
ÚTEF - Ústav technické a experimentální fyziky ČVUT - České vysoké učení technické v Praze
ČVUT - České vysoké učení technické v Praze
Publikace  > 'Influence of neutrons and γ-rays in the Fréjus underground laboratory on the NEMO experiment'
Influence of neutrons and γ-rays in the Fréjus underground laboratory on the NEMO experiment

Autor
Marquet Christine CENBG Bordeaux
Štekl Ivan, Doc. CSc. UTEF
Vála Ladislav, Ing.Ph.D. UTEF
Vorobel Vít, Ing. Ph.D. MFF UK
NEMO Collaboration  NEMO Collaboration

Rok
2001

Časopis
Nucl. Instr. and Meth. in Phys. Res. A457 (2001) pp. 487-498


Obsah
To be sensitive to an effective Majorana neutrino mass, 〈mν〉, on the order of 0.1 eV, the NEMO 3 double beta (ββ(0ν)) decay experiment requires precise knowledge and control of the backgrounds. The effect of neutrons and γ-rays from the Fréjus underground laboratory (LSM, Laboratoire Souterrain de Modane) has been studied during 10 700 h of data collection. The data were taken with a NEMO 2 prototype detector using different shield configurations. Monte Carlo calculations with GEANT/MICAP code and a new library of γ-rays from neutron captures are presented. The implied consequences for the NEMO 3 detector which is under construction are discussed. The neutrinoless double beta decay background induced by neutrons and γ-rays within the LSM will be suppressed to the very suitable level of 0.1 event in a life time of five years given the appropriate shield and magnetic field.

Příklad citace článku:
C. Marquet, I. Štekl, L. Vála, V. Vorobel, . NEMO Collaboration, "Influence of neutrons and γ-rays in the Fréjus underground laboratory on the NEMO experiment", Nucl. Instr. and Meth. in Phys. Res. A457 (2001) pp. 487-498 (2001)

Hledat
10th Anniversary of IEAP