GERDA
The GERManium Detector Arrayfor the search of neutrinoless double beta decay in Ge-76
at the Laboratori Nazionali del Gran Sasso (LNGS)
|
Home The Physics of GERDA Institutions Contacts & Organigram Publications Meetings Internals Useful Links Impressum |
GERDA News Archive
13 Feb 18: Improved Phase II limit - accepted for publication in Physical Review Letters6 April 17: Publication in Nature on 6 April
29 June 16: Presentation 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 background 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
Cryostat filled 17 Dec 09
Transfer of clean bench to GERDA 29 Nov 2009
First LAr 09 Nov 09
03 Nov: Start of cryostat cooldown, photo 1 & 2
Summer 2009
Installation cryogenic infrastructure
August 2009
PMT installation finished
Works resumed May 05: PM rigging in water tank, lock test set up in HdM
2009 April 06 earthquake info: INGV , USGS
Clean room construction started 02 Feb 09
Status Feb 4 , 9
GERDA bldg construction started 08 July 08
11.7.08: photo 1 & 2 18.7.08: photo 1 & 2 & 3
Water tank construction started 28 April 08
Status 7.5.08 & 12.6.08
Cryostat arrived 6 Mar 08
Pictures Movie