setups (belen, monster d. cano-ott/ ciemat) implantation detector (simba, aida (>autumn 2010) )...
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• Setups (BELEN, MONSTER D. Cano-Ott/ CIEMAT)
• Implantation detector (SIMBA, AIDA (>autumn 2010))• Beams
N=50 (78Ni): 124Sn (?)N=82 (132Sn, 130Cd): 136Xe, 238U, others (150Nd,154Sm?)N=126: 238U, 208Pb, (197Au)
• Timeline for tests and experiments
Theme group for Theme group for -delayed neutron-delayed neutron
measurementsmeasurements
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(Near) Timeline(Near) Timeline
• Summer 2010: Neutron background test at S4 (5 single BELEN detectors): Implementation of BELEN and SIMBA into the GSI DAQ
• Spring 2011?: Setup and test of BELEN-30 at GSI, first parasitic in-beam tests, then min. 2 weeks break (no exp. @ S4)
• Early summer 2011?: Beamtime (6 days S323, 7 days S410)• >end of 2011- mid 2013: AGATA is coming, no BELEN measurements possible!
Move BELEN to other labs
• 2016(?): during construction of Super-FRS: experiments possible
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N=82: Approved experiment (S323)N=82: Approved experiment (S323)N=82
t1/2 exists identifiedGSI proposalPn (%) QRPA
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N=126: Approved experiment (S410)N=126: Approved experiment (S410)N=126
t1/2 exists identifiedGSI proposalPn (%) QRPA
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BEta deLayEd Neutron detector (BELEN)BEta deLayEd Neutron detector (BELEN)
20 counters
30 counters
NEUTRON ENERGY [MeV]
DE
TE
CT
ION
EF
FIC
IEN
CY
[%
]
Efficiency for setup at GSI 2011
New BELEN-30 for GSI
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Silicon IMplantation detector and Silicon IMplantation detector and Beta Absorber (SIMBA)Beta Absorber (SIMBA)
Constructed and developed atTU München
Pictures: K. Steiger
• 1 x and 1 y-detector, 60x60x0.3 mm3, 60fold segmented each• 2 SSSSD, 60x40x1 mm3, 7fold segmented in x • 3 DSSSD (implantation area), 60x40x0.7 mm3, 60fold segmented in x-, 40fold in y-direction • 2 SSSSD, 60x40x1 mm3, 7fold segmented in x
PhD thesis C. Hinke, TUM (2010)Diploma thesis K. Steiger, TUM (2009) to be replaced by AIDA in >2012
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• Similar proposals @ other labs?
• Upgrades of the setup (more 3He counters, +-det., AIDA...)
• New proposals
• Evaluation/ compilation of dn
• Workshop? (astrophysicists, reactor physicists, ...)
Possible future proposals:78Ni (N=50, Z=28)134In, ... (2n emitters, check GANIL, ALTO program)194W, 192Hf (deformed, Pn~10% predicted)
BELEN detector can/will be moved to other labs for experiments• Jyväskyla• ?GANIL?
FutureFuture
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• UPC Barcelona
• IFIC Valencia
• CIEMAT Madrid
• Santiago de Compostela
• Jyväskyla
• JINR Dubna
• GSI-Giessen
• Surrey
• ...
(Main) institutions(Main) institutions
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Setup: BELEN for DESPECSetup: BELEN for DESPEC
• 44 3He counters arranged in 3 crowns ~65% efficiency• 90cm90cm70cm PE block• 16cm hole for AIDA implantation detector• Triggerless DACQ: independent (t,E) for every counter, no ADC gate, minimum dead time, freedom to construct time correlations
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BEta deLayEd Neutron detector (BELEN)BEta deLayEd Neutron detector (BELEN)
Universidad Politecnica de Cataluna, Barcelona
CIEMAT Madrid
IFIC Valencia
BELEN-20 Collaboration
BELEN-30 Collaboration: additionally