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GemX SIGNED

Towards a ton-scale Ge-76 observatory for neutrinoless double beta decay

Total Cost €

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EC-Contrib. €

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Partnership

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 GemX project word cloud

Explore the words cloud of the GemX project. It provides you a very rough idea of what is the project "GemX" about.

discrimination    energy    impurity    natural    groundbreaking    background    suitable    gemx    performance    ndbd    neutrinos    lngs    kg    shape    postulates    minimal    observation    character    questions    explanation    operate    tum    detector    experiments    1000    majorana    cutting    dominates    universe    asymmetry    crystals    italy    concentrations    flagship    practical    liquid    decisions    astrophysics    crystal    thereby    standard    edge    experimental    contaminations    worldwide    lowest    beta    search    argon    leadership    cosmology    leads    critical    double    alpha    conservation    physics    cosmic    experiment    pulse    violates    discovering    decay    sustain    superior    generation    resolution    discovery    material    highest    germanium    ton    200    mass    enriched    radiation    ge    potentially    76ge    lepton    deploy    pi    model    full    purity    particles    anti    activation    elected    net    legend    inform    detectors    usually    underground    exploration    sensitivity    spokesperson    surface    particle    amongst    hpge    neutrinoless    competition    designs    stand   

Project "GemX" data sheet

The following table provides information about the project.

Coordinator
TECHNISCHE UNIVERSITAET MUENCHEN 

Organization address
address: Arcisstrasse 21
city: MUENCHEN
postcode: 80333
website: www.tu-muenchen.de

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Total cost 3˙355˙460 €
 EC max contribution 3˙355˙460 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-ADG
 Funding Scheme ERC-ADG
 Starting year 2018
 Duration (year-month-day) from 2018-10-01   to  2023-09-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    TECHNISCHE UNIVERSITAET MUENCHEN DE (MUENCHEN) coordinator 3˙355˙460.00

Map

 Project objective

The observation that matter dominates over anti-matter in the Universe is one of the most critical open questions in physics. A natural explanation of this asymmetry postulates neutrinos as their own anti-particles, usually referred to as Majorana particles. The only practical way to establish the Majorana character of neutrinos is the experimental search for neutrinoless double-beta decay (NDBD). This decay violates lepton-number conservation and would establish new physics beyond the Standard Model of particle physics. The Germanium eXploration (GemX) project will focus on cutting-edge research towards a ton-scale NDBD decay experiment based on germanium detectors enriched in 76Ge, and thereby sustain a European leadership also in the next-generation worldwide experimental competition. With its superior energy resolution and lowest background, a one-ton 76Ge experiment has potentially the highest sensitivity for discovering NDBD decay amongst the next-generation experiments. A discovery would be groundbreaking in the fields of particle physics, astrophysics and cosmology. The goal of GemX is to develop and evaluate novel HPGe detectors enriched in 76Ge, test their performance in LEGEND-200 and inform the design decisions of the future flagship 1000-kg experiment LEGEND-1000, which the PI leads as elected European spokesperson. GemX will (1) investigate new Ge detector designs with increased mass and improved pulse shape discrimination to enhance background reduction; (2) develop a crystal growth process from germanium material enriched in 76Ge for large high-purity Ge crystals with suitable net-impurity concentrations in Europe; (3) develop the production of large Ge detectors enriched in 76Ge with minimal activation by cosmic radiation and with full control of surface contaminations from alpha contaminations; (4) deploy, test and operate the novel detectors in the TUM underground liquid argon test stand and in LEGEND-200 at the LNGS, Italy.

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The information about "GEMX" are provided by the European Opendata Portal: CORDIS opendata.

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