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

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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