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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.

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

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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