Grup de Física de les Radiacions 24 th International Conference on Nuclear Tracks in Solids CALIBRATION OF THE UAB PADC BASED NEUTRON DOSEMETER Measurements.

Slides:

Advertisements

Similar presentations

Short-range, high-LET recoil tracks in CR-39 plastic nuclear track detector E. R. Benton 1, C. E. Johnson 1, J. DeWitt 1, N. Yasuda 2, and E. V. Benton.

Advertisements

Stefan Roesler SC-RP/CERN on behalf of the CERN-SLAC RP Collaboration

The LENS Facility at IUCF David V. Baxter Indiana University A. Bogdanov, J. M. Cameron, P. Chen (UIUC), V. P. Derenchuk, B. Jones (UIUC), H. Kaiser, C.

EAR2 simulation update Collaboration board meeting Christina Weiss & Vasilis Vlachoudis.

Calibration of extremity dosimeters for Tc-99m, Cs-137 and X-ray David Rawlings Regional Medical Physics Department Newcastle-upon-Tyne.

Neutron background measurements at LNGS Gian Luca Raselli INFN - Pavia JRA1 meeting, Paris 14 Feb

E. Bavarnegin,Yaser Kasesaz, H. Khalafi

Neutral Particles. Neutrons Neutrons are like neutral protons. –Mass is 1% larger –Interacts strongly Neutral charge complicates detection Neutron lifetime.

Study of the fragmentation of Carbon ions for medical applications Protons (hadrons in general) especially suitable for deep-sited tumors (brain, neck.

TRAINING COURSE ON RADIATION DOSIMETRY: Instrumentation 3 Passive detectors Part 1 Antonio PARRAVICINI, MI.AM Thu. 22/11/2012, 14:00 – 15:00 pm.

Design on Target and Moderator of X- band Compact Electron Linac Neutron Source for Short Pulsed Neutrons Kazuhiro Tagi.

Bologna 1st-5th September 1 Neutron dosimetry and spectrometry: problems, solutions, perspectives and the role of track detectors Carles Domingo Grup de.

Some fission yields for 235U (n,f), 239Pu (n,f), 238U (n,f) reactions in ΣΣ neutron spectrum Dr. Cristina Garlea National Institute for R&D of Physics.

24 th ICNTS, Bologna, 1-5 September 2008 Radiation Induced Damage Electron, Gamma Photon and Ion Irradiation Effects in PP/EPR/HDPE Christelle Bergeon.

Determination of gamma dose component in thermal column of Pavia Triga reactor by using alanine ESR detectors Saverio Altieri Department of Physics University.

RAD2012 Ultra-Thin 3D detectors Celeste FletaInstituto de Microelectrónica de Barcelona Celeste Fleta Instituto de Microelectrónica de Barcelona Centro.

Preliminarily results of Monte Carlo study of neutron beam production at iThemba LABS University of the western cape and iThemba LABS Energy Postgraduate.

P. Scampoli - 24th ICNTS Bologna, September 4,

G. Bartesaghi, 11° ICATPP, Como, 5-9 October 2009 MONTE CARLO SIMULATIONS ON NEUTRON TRANSPORT AND ABSORBED DOSE IN TISSUE-EQUIVALENT PHANTOMS EXPOSED.

Ion Beam Analysis Dolly Langa Physics Department, University of Pretoria, South Africa Blane Lomberg Physics Department, University of the Western Cape,

Monte Carlo Study to determine the Neutron Fluence spectrum for a water Phantom: Preliminary Results University of the Western Cape Energy Postgraduate.

16 th International Congress on Neutron Capture Therapy June 14-19, Helsinki, Finland Improvement of a PGNAA Facility for BNCT in THOR C. K. Huang 1, H.

OSL Albedo Neutron Dosimeter

Neutron autoradiography in nuclear track detectors: simultaneous observation of cells and nuclear tracks from BNC reaction by UV C sensitization of polycarbonate.

M. Manolopoulou 1, M. Fragopoulou 1, S. Stoulos 1, E. Vagena 1, W. Westmeier 2, M. Zamani 1 1 School of Physics, Aristotle University of Thessaloniki,

4th ANNUAL ARDENT WORKSHOP TRAINING COURSE Passive detectors Part 2 (Nuclear Track Detectors) Antonio PARRAVICINI, MI.AM Thu. 25/06/2015, 09:00.

Systematic studies of neutrons produced in the Pb/U assembly irradiated by relativistic protons and deuterons. Vladimír Wagner Nuclear physics institute.

Passive detectors (nuclear track detectors) – part 2: Applications for neutrons This research project has been supported by the Marie Curie Initial Training.

Track detector development for neutron and mixed field dosimetry Michele Ferrarini Fondazione CNAO.

1 Nuclear Activation Techniques to measure the energy distribution of laser-accelerated protons bunches T.Bonnet, M.Comet, D.Denis-petit, F. Gobet, F.

N. Gubanova 1, V. Kanygin 2, A. Kichigin 3, S. Taskaev 4 1 Institute of Cytology and Genetics, Novosibirsk, Russia 2 Novosibirsk State Medical University,

Production & Measurement of Thermal Neutron at RCNP Chhom Sakborey Nguyen Thi Duyen An Tran Hoai Nam Li Chunjuan Wang Mian.

Studies of Helium proportional counters response on fast neutrons, at NCSR “Demokritos” M. Zamani, M. Manolopoulou, S. Stoulos, M. Fragopoulou School of.

The improvement of the energy resolution in epi-thermal region of Bonner sphere using boric acid solution moderator H. Ueda1, H. Tanaka2, Y. Sakurai2.

Experimental Studies of Spatial Distributions of Neutrons Produced by Set-ups with Thick Lead Target Irradiated by Relativistic Protons Vladimír Wagner.

Assessment of radiation shielding materials for protection of space crews using CR-39 plastic nuclear track detector J. M. DeWitt 1, E. R. Benton 1, Y.

Geant4 User Workshop, Catania, Italy, 15th October, 2009

The Use of Accelerator Beams for Calibration and Characterization of Solid State Nuclear Track Detectors Eric Benton Department of Physics Oklahoma State.

Neutron Capture Cross Sections from 1 MeV to 2 MeV by Activation Measurements Korea Institutes of Geoscience and Mineral Resource G.D.Kim, T.K.Yang, Y.S.Kim,

20 November, TRAINING COURSE ON NEUTRON DOSIMETRY, RADIOBIOLOGY AND INSTRUMENTATION: Passive detectors: activation detectors and superheated emulsions.

Contribution of the GFR-UAB group to neutron dosimetry and spectrometry C. Domingo, K. Amgarou, T. Bouassoule, M.J. García-Fusté, E. Morales, J. Castelo.

Several Techniques for Improving Neutron-Energy Dependence of PADC Track Detector K. Oda 1, D. Hayano 1, H. Ohguchi 1,2, T. Yamauchi 1, T. Yamamoto 2 1.

M.Moll, M.Silari, H.Vincke – 3.April Mixed field irradiation -- Who answered ?  In total 36 forms filled / 34 persons answered: 38% 62% CERN:

Karolina Danuta Pągowska

NEEP 541 – Neutron Damage Fall 2002 Jake Blanchard.

1 Giuseppe G. Daquino 26 th January 2005 SoFTware Development for Experiments Group Physics Department, CERN Background radiation studies using Geant4.

Neutron Dosimetry and Spectrometry in Complex Radiation Fields using CR-39 detectors This research project has been supported by the Marie Curie Initial.

Photoneutron Distributions around 18 MV X-ray Radiotherapy Accelerators using Nuclear Track Detectors Fazal-ur-Rehman, H. Al-Ghamdi, M. I. Al-Jarallah.

24 th ICNTS Design and test of an albedo personal neutron dosemeter based on PADC detectors R. Bedogni a, A. Esposito a, G. Gualdrini b, R. Mishra c, S.

Stochastic wake field particle acceleration in Gamma-Ray Bursts Barbiellini G., Longo F. (1), Omodei N. (2), Giulietti D., Tommassini P. (3), Celotti A.

4th International Summer School « Nuclear Physics Methods and Accelerators in Biology and Medicine » Monte-Carlo simulations : FLUKA vs. MCNPX Maxime ODEN.

Three years of cross-section measurements of (n,xn) threshold reactions at TSL Uppsala and NPI Řež O. Svoboda, A. Krása, A. Kugler, M. Majerle, J. Vrzalová,

RadMon thermal neutron cross-section calibration D.Kramer for the RadMon team L.Viererbl, V.Klupak NRI Rez 1.

EVIDOS: Optimisation of Individual Monitoring in Mixed Neutron/Photon Fields at Workplaces of the Nuclear Fuel Cycle EVIDOS: Optimisation of Individual.

TPC for ILC and application to Fast Neutron Imaging L. An 2, D. Attié 1, Y. Chen 2, P. Colas 1, M. Riallot 1, H. Shen 2, W. Wang 1,2, X. Wang 2, C. Zhang.

Studies of (n,xn) reaction cross-sections and also cross-sections of relativistic deuteron reactions obtained by the activation method Vladimír Wagner.

Monte Carlo methods in spallation experiments Defense of the phD thesis Mitja Majerle “Phasotron” and “Energy Plus Transmutation” setups (schematic drawings)

Solar gamma-ray and neutron registration capabilities of the GRIS instrument onboard the International Space Station Yu. A. Trofimov, Yu. D. Kotov, V.

An-Najah National University New Campus, Nablus, Palestine

GEANT4 Simulations of a Beam Shaping Assembly Design and Optimization for Thermal/Epithermal Neutrons Vahagn Ivanyan Yerevan Physics Institute, Armenia.

P. Buffa, S. Rizzo, E. Tomarchio

Measurements and FLUKA Simulations of Bismuth and Aluminum Activation at the CERN Shielding Benchmark Facility(CSBF) E. Iliopoulou, R. Froeschl, M. Brugger,

Cross-section Measurements of (n,xn) Threshold Reactions

for collaboration “Energy plus transmutation”

Fragmentation cross sections of Fe26+, Si14+ and C6+ ions of 0

Design of A New Wide-dynamic-range Neutron Spectrometer for BNCT with Liquid Moderator and Absorber S. Tamaki1, I. Murata1 1. Division of Electrical,

O. Svoboda, A. Krása, A. Kugler, M. Majerle, J. Vrzalová, V. Wagner

Intercomparison on Personal Dose Equivalent (Hp(10))

PERFORMANCE OF THE METAL RADIATION MONITORING SYSTEMS

Presentation transcript:

Grup de Física de les Radiacions 24 th International Conference on Nuclear Tracks in Solids CALIBRATION OF THE UAB PADC BASED NEUTRON DOSEMETER Measurements in quasi-monoenergetic neutron beams at the EC-IRMM Van der Graaf accelerator C. Domingo. M.J. García-Fusté. K. Amgarou. E. Morales and J. Castelo

24 th ICNTS Overview 1.The UAB PADC neutron dosimetry system 2.Dosemeter response 3.Measurements at EC-IRMM Van der Graaf facility 4.Results 5.Conclusions

24 th ICNTS The UAB PADC neutron dosimetric system PADC neutron detector: CR-39 Converters:  Rich in H. fast neutron interaction  Nylon rich in N. high cross section for thermal neutrons Wrapped in Climafol pouches Dosemeter configuration 6 cm Methacrylate (5 mm) Makrofol (300 μm) Polyethylene (3 mm) CR-39 (500 μm) Nylon (100 μm)

24 th ICNTS The UAB PADC neutron dosimetric system Process after irradiation 6 cm Cutting Electrochemical Etching

24 th ICNTS The UAB PADC neutron dosimetric system Typical track diameters of 100 μm Semi-automatic counting system  Sony camera  ImageJ analysis software Scanned area: 0.53 cm 2 Track density determination

24 th ICNTS Dosemeter response Expected behaviour  NRPB Report W25  R.J. Tanner et al.. Radit. Meas. 34 (2001)

24 th ICNTS Dosemeter response Calibration with ISO neutron sources and realistic fields at IRSN Cadarache (France) Source Type of field Mean Energy R Φ (neutron -1 ) R H p (10) (cm -2 ·mSv - 1 ) 241 Am-BeISO4.15 MeV(1.82 ± 0.13)× ± 33 Bare 252 CfISO2.13 MeV(2.01 ± 0.13)× ± 39 ( 252 Cf + D 2 O)/CdISO539 keV(5.55 ± 0.27)× ± Cf + D 2 OISO539 keV(5.17 ± 0.23)× ± 23 SIGMARealistic79 keV(1.422 ± 0.064)× ± 26

24 th ICNTS Dosemeter fluence response

24 th ICNTS Dosemeter H p (10.0º) response

24 th ICNTS Measurements at EC-IRMM Van der Graaf facility EC NUDAME program Quasi-monoenergetic neutron fields from few hundreds keV to 20 MeV New energies for dosemeter calibration

24 th ICNTS Measurements at EC-IRMM Van der Graaf facility Neutron energies used: 300 keV. 800 keV. 7.5 MeV and 16 MeV Methacrylate phantom used BSS spectrometry for determination of neutron spectrum and H*(10) reference value at each irradiation point Neutron beams and methods

24 th ICNTS Measurements at EC-IRMM Van der Graaf facility

24 th ICNTS Results 4 dosemeters per energy Background determined with 4 extra non-irradiated dosemeters Nominal Energy Target Mean Energy with BSS R Φ (neutron -1 ) R H p (10) (cm -2 ·mSv -1 ) 300 keVT(p.n) 3 He269 keV(4.13 ± 0.53)× ± keVT(p.n) 3 He662 keV(1.24 ± 0.16)× ± MeVD(d.n) 3 He7.53 MeV(8.95 ± 0.16)× ± MeVT(d.n) 4 He12.66 MeV(1.19 ± 0.15)× ± 25

24 th ICNTS Results – Fluence response

24 th ICNTS Results – Dose response

24 th ICNTS Conclusions The knowledge of the dosemeter response have been expanded with new energies An important decrease of the response in the epithermal region has been confirmed … to be done New values at thermal and low epithermal regions should be obtained to complete the dosemeter response function

24 th ICNTS Thanks for your attention!