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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Production Yield of Muon-Induced Neutrons in Lead: Measured at the Modane Underground Laboratory

Production Yield of Muon-Induced Neutrons in Lead: Measured at the Modane Underground Laboratory

Kluck, Holger

Hardcover

Series: Springer Theses

Astronomy & SpaceGeneral SciencePhysics

ISBN10: 3319185268
ISBN13: 9783319185262
Publisher: Springer Nature
Published: Aug 7 2015
Pages: 382
Weight: 1.65
Height: 0.94 Width: 6.14 Depth: 9.21
Language: English
The work presented in this book is a major step towards understanding and eventually suppressing background in the direct search for dark matter particles scattering off germanium detectors. Although the flux of cosmic muons is reduced by many orders of magnitude in underground laboratories, the remaining energetic muons induce neutrons through various processes, neutrons that can potentially mimic a dark matter signal. This thesis describes the measurement of muon-induced neutrons over more than 3 years in the Modane underground laboratory. The data are complemented by a thorough modeling of the neutron signal using the GEANT4 simulation package, demonstrating the appropriateness of this tool to model these rare processes. As a result, a precise neutron production yield can be presented. Thus, future underground experiments will be able to reliably model the expected rate of muon-induced neutrons, making it possible to develop the necessary shielding concept to suppress this background component.

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