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ANAIS-112: A test of DAMA/LIBRA dark matter signal at the Canfranc Underground Laboratory

24 Jul 2018, 15:10
20m
Room C

Room C

Speaker

Maria Martinez (Universidad de Zaragoza)

Description

For more than 20 years the DAMA/LIBRA collaboration has reported a positive annual modulation in the low-energy detection rate of their NaI(Tl) detectors with very high C.L., that has been recently updated to 12.9$\sigma$. The interpretation of this result as a WIMP signal in standard models is, however, in strong tension with the null results of other experiments. Therefore there is an urge to verify the DAMA result independently, using the same target and technique.
This is the goal of the ANAIS experiment, in operation at the Canfranc Underground Laboratory with 112 kg of NaI(Tl) scintillators. After a commissioning period, the dark matter data taking started in August 2017. Here we present details of the detectors performance (light collection, low energy calibration, event selection, stability..) and a detailed background model. We will also discuss the physics potential of the experiment.

Parallel Session Dark Matter, Astroparticle Physics

Primary authors

Maria Martinez (Universidad de Zaragoza) Dr Julio Amaré (Universidad de Zaragoza) Mr Ivan Coarasa (Universidad de Zaragoza) Susana Cebrian (Universidad de Zaragoza) Dr Eduardo García (Universidad de Zaragoza) Dr Miguel Ángel Oliván (Universidad de Zaragoza) Dr Ysrael Ortigoza (Universidad de Zaragoza) Mr Alfonso Ortiz de Solórzano (Universidad de Zaragoza) Dr Jorge Puimedón (Universidad de Zaragoza) Dr Ana Salinas (Universidad de Zaragoza) Dr Maria Luisa Sarsa (Universidad de Zaragoza) Dr José Ángel Villar (Universidad de Zaragoza) Dr Patricia Villar (Universidad de Zaragoza)

Presentation materials