GERDA

The GERmanium Detector Array
for the search of neutrinoless double beta decay in Ge-76
at the Laboratori Nazionali del Gran Sasso (LNGS)

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NEWS
6 April 17: Publication in Nature on 6 April

29 June 16: Presenta- tion of first Phase II results at LNGS.

17 June 16: Successful unblinding of the first Phase II data sets.

December 2015: Start of Phase II physics run with 7 strings of 35 (7) kg of enriched (natural) Ge detectors; the seven strings of semi-coaxial & BEGe detectors within their minishrouds and view from bottom on detector array & fiber assembly of the LAr veto.

3 Mar 15: Phase II commissioning: Th-228 calibration spectrum with LAr veto & pulse shape discrimination

24 Feb 14: GERDA's response to a letter in CERN Courier

16 July 13: GERDA phase I results released

11 July 13: Results from GERDA phase I will be presented in a seminar on July 16 at 14:30 at LNGS. The seminar will be streamed at this link.

9 July 13: Pulse shape discrimination for GERDA Phase I data

21 June 13: The back- ground in the neutrino- less double beta decay experiment GERDA

14 June 13: Successful unblinding of the phase I data set

06 Mar 13: The paper ``The GERDA experiment for the search of neutrinoless double beta decay in Ge-76'' has been published in The European Physical Journal C, 73:2330 (2013)

12 Feb 13: The paper ``Measurement of the half-life of the two-neutrino double beta decay of 76Ge with the GERDA experiment'' has been published in J. Phys. G: Nucl. Part. Phys. 40 035110 (2013)

17 Dec 12: The GERDA experiment for the search of neutrinoless double beta decay in Ge-76

13 Dec 12: Measurement of the half-life of the two-neutrino double beta decay of Ge-76 with the Gerda experiment

6 Jul 12: Five enriched BEGe Ge-76 diodes deployed (pict) ; Th-228 calibration spectra

1 Nov 11: Three strings with all eight enriched Ge-76 diodes (ANG1- ANG5, RG1-RG3) and one natural Ge diode (GTF112) deployed. Th-228 calibration spectra with indicated preliminary FWHM resolutions.

21 June 11: first string with 3 enriched Ge-76 diodes deployed;

GERDA Inauguration on 9 Nov 2010 at LNGS

GERDA Presentation
The collaboration - pics
The physics program
The construction
Looking ahead
Flyer
English (pdf, 3.7 MB)
Deutsch (pdf, 3.7 MB)
Italiano (pdf, 3.7 MB)
Video
mov (140 MB)
Poster
1 2 3 4 5 6 7

02 June 10: first string with 3 non-enriched Ge diodes deployed; Th-228 calibration spectra

News archive

The GERDA experiment has been proposed in 2004 as a new ⁷⁶Ge double-beta decay experiment at LNGS. The GERDA installation is a facility with germanium detectors made out of isotopically enriched material. The detectors are operated inside a liquid argon shield. The experiment is located in Hall A of LNGS.

Last modified: 04.11.2010

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