Transcript SuperNEMO management

SuperNEMO management
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
The NEMO3 detector
(France, Finlande, Japon, Maroc, République tchèque, R-U, Russie,Ukraine, USA.)
@ Frejus Underground Laboratory : 4800 m.w.e.
Source: 10 kg of  isotopes
20 sectors
cylindrical, S = 20 m2, 60 mg/cm2
Tracking detector:
99.5 %
cellschamber
ON
Drift
wire
in Geiger mode
Vertexcells)
resolutions :
(6180
sethyl
(DVertex)
= 0.6
Gas: He + 4%
alcohol+
1%cm
Ar + 0.1% H2O
s// (DVertex) = 1.3 cm
(Z=0)
Calorimeter:
3m
1940
scintillators
97% plastic
PM+scintillators
ON
TDC resolution
250 ps @ 1MeVPMTs
coupled
to low:radioactivity
FWHM (1 MeV)
B (25 G)
17% (PM 3”)
Magnetic field: 25 Gauss
Gamma shield: Iron (18 cm)
Neutron shield: borated water + wood
Identification e-, e+, g and a
17 July, 2015
14% (PM 5”)
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
Possible SuperNEMO module
Plane and modular: ~ 5 kg of enriched isotopes by module (20 modules)
1 module: Source (40 mg/cm2) 4 x 3 m2
Tracking : wire chamber in Geiger mode ~ 3000 cells
Calorimeter: scintillators + PM ~1 000 PM if scint. blocs
~ 100 PM if scint. bars
4m
1m
5m
Top view
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
1m
Side view
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
2 mBq/kg in 208Tl
10 mBq/kg in 214Bi
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
BiPo DETECTOR
To measure the purity in 208Tl and 214Bi of the  source foils before the installation in SuperNEMO
Goal: To measure 5 kg of foils (12 m2, 40 mg/cm2) in 1 month with a sensitivity of:
208Tl
< 2 mBq/kg and
Bi-Po Process
238U

214Po
(164 ms)
a
214Bi
(19.9 mn)
0.021%
210Pb
214Bi
< 10 mBq/kg
Q (212Bi) = 2.2 MeV
e- prompt
Scintillator + PMT
e-
Tracking
(wire chamber)
22.3 y
210Tl
(1.3 mn)
a
232Th

212Bi
36%
(60.5 mn)
208Tl
mn)
17 July, (3.1
2015
212Po
(300 ns)
a
208Pb
(stable)
Delay a
T1/2 ~ 300 ns Edeposited ~ 1 MeV
2 modules 23 m2 → 12 m2
Background < 1 event / month
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
Source foil
(40 mg/cm2)
Shield
radon, neutron,g
0.9m + 0.9m
ISO 5
(10000)
ISO 3
(100)
11 m
ISO 3 (100)
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
15 m
ISO 5
(10000)
BiPo Schedule must fit the SuperNEMO Schedule
2009
2010
2006 2007
2008
2011
2012
NEMO3 Running
R&D SuperNEMO
BiPo1
LSM
BiPo1
Canfranc
BiPo
construction
BiPo
BiPo
installation
Running @ Canfranc
SuperNEMO 1st
module
construction
Preparation
of the site
construction of
20 modules
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator
SuperNEMO modules
installation & running
START
RUNNING
Full
detector
Thank you
17 July, 2015
Dominique Lalanne, SuperNEMO
Technical Co-ordinator