nTOF4 FAIR FAIR Daniel Cano Ott, nTOF4 FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010 Proyecto coordinado entre el Proyecto coordinado entre el CIEMAT CIEMAT , Universidad Politécnica de , Universidad Politécnica de Cataluña y la Universidad de Sevilla Cataluña y la Universidad de Sevilla Nuclear data for basic nuclear Nuclear data for basic nuclear physics and nuclear waste physics and nuclear waste management management “ “ n_ n_ T T O O F F 4 4 FAIR” FAIR” FPA2011-28770-C03-01 FPA2011-28770-C03-01
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nTOF4FAIR nTOF4FAIR Daniel Cano Ott, nTOF4FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010 Proyecto coordinado entre el CIEMAT,
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nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Proyecto coordinado entre elProyecto coordinado entre elCIEMATCIEMAT, Universidad Politécnica de Cataluña y la , Universidad Politécnica de Cataluña y la
Universidad de SevillaUniversidad de Sevilla
Nuclear data for basic nuclear physics and Nuclear data for basic nuclear physics and nuclear waste managementnuclear waste management
““n_n_TTOOFF44FAIR”FAIR”
FPA2011-28770-C03-01FPA2011-28770-C03-01
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
1 external researcher (postdoc of the group at CERN – n_TOF experiment)Carlos Guerrero Sánchez (CERN fellow – PhD)
1 additional technical engineer (not included in the project submission)Javier Tera Ruedas – dedicated fully to the activities of the group
CIEMAT research group (FPA grant application)CIEMAT research group (FPA grant application)
Total = 8.5 EDP
Scientific results during the last 3.5 years:-25 papers in international journals-45 contributions to international conferences-2 (+1) PhD theses-4 Diploma theses
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Neutron capture cross section measurements of minor actinides. World experts (together with FZK and Los Alamos) in Total Absorption Calorimetry in (n,γ) measurements.
Neutron detection. Considered now as one of the reference groups in Europe.
Neutron simulations. The group covers tasks as wide as design of nuclear reactors, design of neutron irradiation facilities, development of Monte Carlo codes (members of the GEANT4 collaboration).
Digital electronics. Long experience with the development of the n_TOF digital DAQ and nowadays designing and building our own digitisers.
CIEMAT group areas of expertiseCIEMAT group areas of expertise
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Plan nacional de Física de Partículas: 4+1 grants since the creation of the group
FPA2000-0269-C05-01 (5 institutions, CIEMAT as coordinator), 2000 – 2001FPA2001-0144-C05-01 (5 institutions, CIEMAT as coordinator), 2001 – 2004FPA2005-6918-C03-01 (3 institutions, CIEMAT as coordinator), 2005 – 2008CAC-2007-35 (complementary action), 2008FPAFPA2008-04972-c03-01 (3 institutions, CIEMAT as coordinator), 2009 – 2011
EU Framework Programmes (FPs): 7 projects in the last 3 FPs
Researchers of CIEMAT are members of various international expert groups on nuclear data (like the NEA-OECD WPEC Subgroup 31) and nuclear technologies (SNETP).
CIEMAT research grants and projectsCIEMAT research grants and projects
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Scientific motivation: procurement of nuclear data for basic nuclear physics and applications to nuclear technologies.
1.The continuity of the experimental programme on neutron capture cross section measurements of actinides at the n_TOF facility at CERN.
2.The development of neutron, γ-ray detectors and simulation tools for the DESPEC experiment at the FAIR facility.
3.The test of detectors and scientific exploitation of the equipment developed for FAIR at facilities already available.
4.The development of a fast data acquisition system based on high performance digitisers for neutron (and other type of) detectors.
Trigger the transfer of (some of the) the technologies developed in Spain to the Spanish Industry.
Goals of the Goals of the n_n_TTOOFF44FAIR FAIR projectproject
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
PS 20GeVPS 20GeVLinacLinac50 MeV50 MeV
BoosterBooster1.4 GeV1.4 GeV
n_TOF 185 mn_TOF 185 mflight pathflight path
Proton Beam20GeV/c
7x1012 ppp
Pb Spallation Target
Neutron Beam10o prod. angle
I. The n_I. The n_TTOOFF facility at CERN facility at CERN
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The Spanish participation amounts to 20%: CIEMAT, IFIC (CSIC – Universidad de Valencia), Universidad Politécnica de Cataluña, Universidad de Santiago de Compostela and Universidad de Sevilla.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
CIEMAT’s contributions to the n_TOF experimentCIEMAT’s contributions to the n_TOF experiment
•1 CIEMAT researcher (postdoc) has been permanently at CERN during the entire data taking periods since 2000.•Design of the neutron beam optics and collimators (2000)•Co-design of the high energy neutron shielding (2000).•Co-design of the Total Absorption Calorimeter (2001-2002).•Design of the digital DAQ concept (2000)•Programming and maintenance of the digital data software analysis: pulse shape analysis and data reduction (2001).•Conceptual design of the new spallation target (2008).•Responsible since 2000 of the operation of the total absorption calorimeter and of the (n,γ) cross section measurements of actinides. Spokespersons of the 3 accepted proposals on 237Np, 240Pu, 243Am, 241Am and 235U.•Development of new analysis techniques for the total absorption data (2003-2008).•Spanish spokesperson of n_TOF 2008 –2010: E.González Romero (CIEMAT)•Spanish chairman of the collaboration board since 2011: E. González Romero
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The n_TOF Total Absorption The n_TOF Total Absorption Calorimeter (TAC) for (n,Calorimeter (TAC) for (n,) ) measurementsmeasurements
•40 BaF2 crystals covering 95% of 4.
•98% detection efficiency for capture -ray cascades.
Its operation is responsibility of CIEMAT.
The TAC is a powerful instrument for measuring (n,γ) cross sections of radioactive isotopes like actinides.
C12H20O4(6Li)2
Neutron absorber10B doped carbon
fibre capsules
n beam
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
237237Np (n,Np (n,γγ) measurement with the TAC () measurement with the TAC (~1 MBq~1 MBq))
PhD thesis of C. Guerrero (CIEMAT)
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Information from (n,Information from (n,γγ) cascades with the n_TOF/TAC) cascades with the n_TOF/TACThe Total Absorption Calorimeter (TAC) :
4 detector made of 40 BaF2 crystals
Neutron energy MultiplicityDeposited energy
Protons (20 GeV)
Neutrons (meV-GeV)
Sweeping magnet
Collimators
Additional experimental information consists in:
Energy deposited (Ei) in each crystal as function of multiplicity (mcr)
Correlation between Ei, Ej within each cascade
Total energy in the TAC as function of multiplicity
CIEMAT will transfer the knowledge to UPC on this topic
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
NUSTARNUSTAR
SuperSuperFRSFRS
FAIRFAIRFAIRFAIR100 m100 mGSIGSIGSIGSI
SIS 100/300SIS 100/300
UNILACUNILAC
ESRESR
SIS 18SIS 18
RESRRESR
NESRNESR
II. The FAIR facilityII. The FAIR facility
Low energy branch. DESPEC & HISPEC experiments
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
GOAL: To measure neutron emission probabilities Pn and energies in coincidence with γ-rays for neutron rich isotopes with relevance to basic nuclear physics, nuclear astrophysics (r-process) and nuclear technologies (reactor kinetics and control).
Need of a high resolution and high efficiency neutron TOF spectrometer.
Physics motivationPhysics motivation
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
TOF spectrometer: array of liquid scintillators(BC501A)
The The MOMOdular dular NNeutron eutron SSpectrompectromTERTER - MONSTER - MONSTER
CIEMAT has designed and is leading the construction of a 200 cell neutron spectrometer for the DESPEC (56 institutions, 350 researchers) experiment at FAIR.
High intrinsic detection efficiency in the range of a few 100 keV up to tens of MeV.
For neutron energies below 100 keV, a complementary system is needed.
Funding is requested for the acquisition of a few doped (6Li, 10B) neutron detectors, efficient a energies below 100 keV.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Status of the projectStatus of the project
CIEMAT has completed the scintillator cell design:-Monte Carlo simulations (Diploma theses of E. Reillo and A. García).-Design of the light guide and optimisation of the light collection (Diploma thesis of A. García)-Characterisation of the prototype cell at the metrology laboratory PTB Braunschweig (E. Reillo and A. García)
CIEMAT has completed the design of a low efficiency and low resolution 30 cell demonstrator (compatible with the future array). The demonstrator will be ready by the end of 2011 and used in experiments at the cyclotron of the University of Jyvaskyla in 2012.
CIEMAT leads the international collaboration that will build MONSTER: Spain (CIEMAT, Instituto de Física Corpuscular), Finland (University of Jyvaskyla ), Sweden (University of Uppsala), India (VECC, University of Calcatta).
CIEMAT has established a strong collaboration with the European research groups developing neutron detectors for SPIRAL-2: LPC – Caen (France) and Laboratori Nazionali di Legnaro (Italy) – NEDA project
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
CIEMAT is coordinating the neutron detector working group of the entire NUSTAR collaboration: 158 institutions and over 900 members.
CIEMAT has an accepted scientific programme with the MONSTER demonstrator. One accepted proposal at the Cyclotron Laboratory of the University of Jyvaskyla and participation to another 4 accepted proposals at Jyvaskyla and GSI together with IFIC and UPC.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Facilities for the FAIR detector assembly at CIEMAT (February 2011)
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The 30 cell elements are being assembled and optimised at CIEMAT’s neutron laboratory.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The mechanical structure has been designed entirely by CIEMAT and made at CIEMAT’s workshops.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
First part of the structure completed at CIEMAT’s workshops (May 2011)
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The MONSTER demonstratorThe MONSTER demonstrator
CIEMAT is currently building the 30 cell demonstrator of MONSTER.-Low energy resolution-Low efficiency
Request: 10 more cells (+10 from IFIC) are necessary for reaching the target efficiency of 10% at 1 m flight path.
Additional funding will be necessary for extending the structure to a larger number of modules.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
We aim at manufacturing the Spanish in-kind contribution to MONSTER in Spain. Scientifica International has expressed strong interest and made a preliminary cost evaluation of an individual cell. The price is competitive with detectors available commercially (St. Gobain or SCIONIX).
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The combined neutron and γ-ray spectrometry requires high simultaneous detection efficiencies:Largest efficiency of the neutron spectrometer (including solid angle) ~ 25%Largest efficiency of the γ-ray spectrometer based on Ge ~ 10%Neutron- γ coincidence detection efficiency ~ 2% For exotic isotopes, the Qβ and Pn values (neutron emission probabilities) become large. There are cases for which alternative γ-ray detectors like inorganic scintillators become a more reasonable choice.
Improving the n-Improving the n-γγ coincidence detection efficiency coincidence detection efficiency
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Geometry simulated for the LaBr3, NaI and BaF2 clovers, four crystals of 5.5 x 5.5 x 11cm.
Clover Germanium detector: 4 crystals of ~4.1 x 4.1 x 7cm.
γγ-ray detectors for combined neutron and -ray detectors for combined neutron and γγ-ray spectrometry-ray spectrometry
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
“Recently” developed inorganic scintillators like LaBr3(Ce) do offer excellent energy resolution (better than NaI) and can be grown in large sizes (>3”x3”). They are a reasonable choice for combined neutron and γ-ray spectrometry when high efficiency is required.
The request is part of CIEMAT’s R&D to the Total Absorption Spectrometer for DESPEC.
Additional uses:-Photon strength function measurements at n_TOF.-Use as “neutron detectors” with neutron to γ-ray converters (R&D done by CIEMAT) thanks to its good energy resolution.
Request: an array of 4 LaBr3(Ce) detectors
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The R&D and scientific roadmap towards FAIRThe R&D and scientific roadmap towards FAIR
RISING
Spain
signs
RIS
ING M
oU 2
006
Start
of P
RESPEC MoU
200
8
Signat
ure
of F
AIR 2
010
PRESPEC @ GSI PRESPEC @ FAIR
First p
arts
of th
e Sup
er F
RS com
plete
d
DESPEC
2016
/ 20
17
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Budapest Research Reactor
PTB Braunschweig – Reference neutron beams
Cyclotron Laboratoryat the University of Jyvaskyla
GANIL/SPIRAL
Centro Nacional de Aceleradores
IRMM – GeelMol Research Reactors
GSI - FAIR
Facilities where CIEMAT is performing experiments/testsFacilities where CIEMAT is performing experiments/tests
LNL Legnaro
YALINA research reactor
n_TOF facilityISOLDE
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
CIEMAT’s high performance digitiser:•Resolution: 12 bits @ 1 Gsample/s (1 GHz bandwith)•FPGA for trigger decision and pre-processing.•DSP for pulse shape analysis.•2 Gbytes DDR2 for waveform storage.
A fully digital data acquisition systemA fully digital data acquisition system
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Funding is requested for the construction of a fully digital DAQ demonstrator, that will serve to take data with virtually any detector.•Scalable•High data throughput (in oscilloscope mode), allowing to store the digital waveforms.•Low data throughput (in pulse shape analysis mode, made on board).•Based on Spanish technology (CIEMAT’s boards)•To be used at FAIR (but also at n_TOF and wherever it is requested).
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Coordination between the different subprojectsCoordination between the different subprojects
CIEMAT(coordinator)
Universidad Politécnica de Cataluña
Universidad de Sevilla
Instituto de Física Corpuscular
(FPA2011-24553)
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
CIEMAT(coordinator)
Universidad Politécnica de Cataluña
Instituto de Física Corpuscular
(FPA2011-24553)
n_TOF (CIEMAT + UPC + IFIC + University of Prague)Analysis of the TAC data for the determination of the nuclear structure properties of actinides (photon strength functions). 1 PhD student from UPC, co-directed by CIEMAT and UPC.
FAIR (CIEMAT + UPC + IFIC)Common experiments at Jyvaskyla and GSI with the BELEN detector (3He neutron detector of UPC), MONSTER (CIEMAT) and the Total Absorption spectrometer (IFIC). The first experiments will use the data acquisition system GASIFIC developed by IFIC. Later on, the CIEMAT flash ADC system will be used as well.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
CIEMAT(coordinator)
Universidad de Sevilla
n_TOF. Simulation and design of a new C6D6 detector for n_TOF.Participation in the 32S(n,α) measurement proposed by the University of Sevilla.
GEANT4. Maintenance of the hadronic physics packages for GEANT4. Both University of Sevilla and CIEMAT are members of the GEANT4 collaboration and responsible for this task inside the GEANT collaboration.
CNA. Development of neutron beam lines at the CNA tandem and cyclotron. Characterisation of the neutron beams with the detectors of CIEMAT and CNA.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Small equipment:4 micromegas detectors for the construction of active targets of 235U.1 Oscilloscope2 computers for data analysis, as replacement of actual computers + portable hard disk drives.
17.660€
Consumables:Borated polyethylene shielding.One container for the micromegas detectors.4 targets of 235U made at IRMM.
34.220€
Travelling expenses:-Shifts and experiments-International conferences-Regular meetings
100.800€
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
FAIR (high energy neutrons) Amount
Small equipment:CAEN HV board 12 channels2 NIM Crates2 PCs2 MESYTEC amplifiersStabilised LED + fiber optics + pulserElectronic modules10x Hamamatsu tubes R4144 + VD10x BC501A neutron detectors for the demonstrator (to be built by Scientifica International in Spain or by St. Gobain)
199.436€
Consumables:Radioactive sources: Cf-252 (2.6 a) and Y-88 (106 d)Aluminum profiles for the detector structureCablesConnectorsCadmium layers (neutron shielding)Borated polyethylene (neutron shielding)
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
FAIR (low energy neutrons) Amount
Small equipment:- 4 PMT for the low energy neutron detectors- Low energy neutron detectors: materials doped with neutron absorbers like 10B or 6Li.
35.400 €
FAIR (γ-ray setup) Amount
Small equipment:Four LaBr3(Ce) crystals of 5.5 x 5.5 x 11cm 118.000 €
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Digital data acquisition system Amount
Small equipment:Chasis for the disk drives for the DAQ + controller3 industrial PCs for the DAQ3 power supplies for the crates
18.523 €
Consumables:3 PCI express cards24 Hard disk drives (2TBytes)Electronic components for the digitisers
86.794 €
Travelling expenses:Meetings and conferences.
10.780 €
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Summary of the RequestsSummary of the Requests
Direct costs Amount
Small equipment: 389.019 €
Consumables: 180.124 €
Travelling expenses: 203.656 €
Other expenses: 39.690 €
Total: 812.489 €
Personnel: 88.000 €
Complementos salariales 53.550 €
Grand Total: 954.039 €
Direct and indirect costs: 1.154.387 €
1 FPI fellowship (critical)
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
AppendicesAppendices
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
FAIR will be an excellent place where to study the decay properties of heavy neutron rich nuclei. Purpose of the DESPEC experiment. The high energy ion beams from the SuperFRS will be slowed down and implanted in active stoppers.
The DESPEC experimentThe DESPEC experiment
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Evaluate the performance of the DESPEC TOF spectrometer at a reduced scale (starting configuration with 30 detectors, to be upgraded soon).
Reduced flight path: ~75cm distance from the implantation position.ΔΩ/Ω ~13%
Coincident β-n and β-γ-n events (for the most intense transitions).
Start signal: plastic β-detector in close geometry.Stop signal: liquid scintillator.
The MONSTER demonstrator (CIEMAT)The MONSTER demonstrator (CIEMAT)
γ-ray detectors
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The total neutron detection efficiency of the setup has been computed by Monte Carlo simulation with the GEANT4 code: 6.6% at 1 MeV to 2.9% at 10 MeV. One reference cell will be calibrated in with calibrated neutron beams at PTB-Braunschweig.
Δt ~ 1ns, which corresponds to an energy resolution the spectrometer of 16% at 1 MeV and 30% at 10 MeV.
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
Nuevos materiales centelleantes orgánicos para calorímetrosNuevos materiales centelleantes orgánicos para calorímetros
Nuevos materiales como el LaCl3 (o LaBr3). Análisis en el banco de pruebas del CIEMAT:•Detector de 3” x 3” (más grande en el momento de adqusición)•Fuentes , y de neutrones (252Cf y Am/Be UPM)•Sistema de adqusición de datos digital Acqiris (n_TOF)•Irradiación en PTB-Braunschweig en 2008 con patrones calibrados (proyecto EFNUDAT)
Excelente resolución temporal
Excelente resolución energética
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
The 437 nuclear reactors in operation worldwide generate about 5800 tons/GWe/year of waste:
•Uranium and structural materials (94% of the mass) . Can be considered as waste (like in Spain) or as valuable resources that should be reprocessed (like in France.•Short lived fission fragments (5%). Decay in 300 years.•Transuranic elements (1%): Pu, Np, Am, Cm… Highly radioactive and long lived. Difficult to handle over long periods (10.000 to 100.000 years).
Uranium and structural materials
Short lived fission
fragments
Transuranic elements
Motivation: the problem of the nuclear wasteMotivation: the problem of the nuclear waste
nnTTOOFF44FAIRFAIRDaniel Cano Ott, nnTTOOFF44FAIR FAIR – Proyecto Coordinado Plan Nacional I+D+i 2008, 18 de Mayo de 2010
I. Temporary storage. Short term (2010 ).II. Partitioning and transmutation of the transuranic elements. Mid- and long-term
(2030 ). The transmutation can take place in both ADS and Generation IV critical reactors (with fast neutron spectrum).