Imre Pazsit

Professor at Department of Physics, Subatomic and Plasma Physics

Projects

2014–2016

Research in nuclear safeguards

Imre Pazsit Department of Applied Physics, Nuclear Engineering
Dina Chernikova Department of Applied Physics, Nuclear Engineering
Kåre Axell Department of Applied Physics, Nuclear Engineering
The Swedish Radiation Safety authority (SSM)

2013–2017

Preparing ESNII for HORIZON 2020 (ESNII PLUS)

Imre Pazsit Department of Applied Physics, Nuclear Engineering
Zsolt Elter Department of Applied Physics, Nuclear Engineering
EC, Seventh Framework program (FP7)

2011–2016

Fast Reactor Experiments for hYbrid Applications (FREYA)

Imre Pazsit Department of Applied Physics, Nuclear Engineering
Dina Chernikova Department of Applied Physics, Nuclear Engineering
Syed F Naeem Department of Applied Physics, Nuclear Engineering
EC, Seventh Framework program (FP7)

2012–2016

Core physics, diagnostics and instrumentation for enhanced safety of the sodium cooled fast reactor ASTRID

Imre Pazsit Department of Applied Physics, Nuclear Engineering
Zsolt Elter Department of Applied Physics, Nuclear Engineering
Swedish Research Council (VR)

There might be more projects where Imre Pazsit participates, but you have to be logged in as a Chalmers employee to see them.

Publications

2017

The inclusion of photofission, photonuclear, (n, xn), (n, n′ xγ), and (n, xγ) reactions in the neutron-gamma Feynman-alpha variance-to-mean formalism

Dina Chernikova, Imre Pázsit, Andrea Favalli et al
Nuclear science and engineering. Vol. 185 (1), p. 206-216
Scientific journal article - peer reviewed
2017

Fluctuations of the fission energy generated in a multiplying system

L. Pal, Imre Pázsit,
Annals of Nuclear Energy. Vol. 99, p. 116-123
Scientific journal article - peer reviewed
2016

Stochastic Theory of the Fission Chamber Current Generated by Non-Poissonian Neutrons

L. Pal, Imre Pázsit,
Nuclear science and engineering. Vol. 184 (4), p. 537-550
Scientific journal article - peer reviewed
2016

Multiplicity counting from fission chamber signals in the current mode

Imre Pázsit, L. Pal, L. Nagy et al
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 839, p. 92-101
Scientific journal article - peer reviewed
2016

Performance of Higher Order Campbell methods, Part II: calibration and experimental application

Zsolt Elter, G. De Izarra, P. Filliatre et al
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. Vol. 835, p. 86-93
Scientific journal article - peer reviewed
2016

First evidence of the pivotal motion ("tilting mode") of the core Barrel in the RINGHALS-4 PWR

C. Montalvo, Imre Pázsit, H. Nylén et al
Physics of Reactors 2016, PHYSOR 2016: Unifying Theory and Experiments in the 21st Century, p. 2571-2579
Conference paper - peer reviewed
2016

Self-monitoring fission chamber: Theoretical groundwork

Zsolt Elter, Imre Pázsit, P. Filliatre et al
Physics of Reactors 2016, PHYSOR 2016: Unifying Theory and Experiments in the 21st Century, p. 3660-3668
Conference paper - peer reviewed
2016

The effect of the correlation length on the "propagation" neutron noise generated inside a core in light water reactors

Victor Dykin, Imre Pázsit,
Physics of Reactors 2016, PHYSOR 2016: Unifying Theory and Experiments in the 21st Century. Vol. 2, p. 1186-1192
Conference paper - peer reviewed
2016

Performance of Higher Order Campbell methods, Part I: review and numerical convergence study

Zsolt Elter, M. Bakkali, C. Jammes et al
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 821, p. 66-72
Scientific journal article - peer reviewed
2016

The Molten Salt Reactor Point-Kinetic Component of Neutron Noise in Two-Group Diffusion Theory

Victor Dykin, Imre Pázsit,
Nuclear Technology. Vol. 193 (3), p. 404-415
Scientific journal article - peer reviewed
2016

Energy Correlation of Prompt Fission Neutrons

Zsolt Elter, Imre Pázsit,
EPJ Web of Conferences. 4th International Workshop on Nuclear Data Evaluation for Reactor Applications, WONDER 2015; Aix-en-Provence; France; 5-8 October 2015. Vol. 111, p. Art no 05003
Conference paper - peer reviewed
2016

Developments in Core-Barrel Motion Monitoring and Applications to the Ringhals PWR Units

Imre Pázsit, C. Montalvo, H. Nylen et al
Nuclear science and engineering. Vol. 182 (2), p. 213-227
Scientific journal article - peer reviewed
2016

On the concept of neutron multiplication

Imre Pázsit,
Annals of Nuclear Energy. Vol. 90, p. 480-481
Scientific journal article - peer reviewed
2016

Remark on the neutron noise induced by propagating perturbations in an MSR

Victor Dykin, Imre Pázsit, Richard Sanchez et al
Annals of Nuclear Energy. Vol. 90, p. 93-105
Scientific journal article - peer reviewed
2016

Remark on the applicability of Campbelling techniques for transient signals

Zsolt Elter, Imre Pázsit, C. Jammes et al
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 813, p. 10-12
Scientific journal article - peer reviewed
2015

The effect of capture gammas, photofission and photonuclear neutrons to the neutron-gamma Feynman variance-to-mean ratios (neutron, gamma and total)

Dina Chernikova, Imre Pázsit, S. Croft et al
Mathematics and Computations, Supercomputing in Nuclear Applications and Monte Carlo International Conference, M and C+SNA+MC 2015, Nashville, United States, 19-23 April 2015
Conference paper - peer reviewed
2015

The stability of boiling water reactors as a catastrophe phenomenon

Imre Pázsit, Victor Dykin, H. Konno et al
Mathematics and Computations, Supercomputing in Nuclear Applications and Monte Carlo International Conference, M and C+SNA+MC 2015, Nashville, United States, 19-23 April 2015. Vol. 1, p. 763-774
Conference paper - peer reviewed
2015

Energy correlations of prompt fission neutrons in the laboratory frame

Imre Pázsit, Zsolt Elter,
Mathematics and Computations, Supercomputing in Nuclear Applications and Monte Carlo International Conference, M and C+SNA+MC 2015, Nashville, United States, 19-23 April 2015. Vol. 2, p. 1158-1167
Conference paper - peer reviewed
2015

The dynamic adjoint as a Green's function

Imre Pázsit, Victor Dykin,
Annals of Nuclear Energy. Vol. 86 (Special Issue), p. 29-34
Scientific journal article - peer reviewed
2015

Campbelling-type theory of fission chamber signals generated by neutron chains in a multiplying medium

L. Pál, Imre Pázsit,
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 794, p. 90-101
Scientific journal article - peer reviewed
2015

The neutron-gamma Feynman variance to mean approach: Gamma detection and total neutron-gamma detection (theory and practice)

Dina Chernikova, Kåre Axell, S. Avdic et al
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. Vol. 782, p. 47-55
Scientific journal article - peer reviewed
2015

Investigation of the ex-core noise induced by fuel assembly vibrations in the Ringhals-3 PWR

Hoai Nam Tran, Imre Pázsit, Henrik Nylén et al
Annals of Nuclear Energy. Vol. 80, p. 434-446
Scientific journal article - peer reviewed
2015

The time dependence of the extinction probability with delayed neutrons

M. M. R. Williams, Imre Pázsit,
Annals of Nuclear Energy. Vol. 75, p. 107-115
Scientific journal article - peer reviewed
2015

Performance investigation of the pulse and Campbelling modes of a fission chamber using a Poisson pulse train simulation code

Zsolt Elter, C. Jammes, Imre Pázsit et al
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. Vol. 774, p. 60-67
Scientific journal article - peer reviewed
2014

Ringhals Diagnostics and Monitoring, Final Research Report 2012-2014

Victor Dykin, Cristina Montalvo, Henrik Nylén et al
Report
2014

Composite fractional time evolutions of cumulants in fractional generalized birth processes

H. Konno, Imre Pázsit,
Advanced Studies in Theoretical Physics (5), p. 195-213
Scientific journal article - peer reviewed
2014

REFINED METHOD FOR SURVEILLANCE AND DIAGNOSTICS OF THE CORE BARREL VIBRATIONS OF THE RINGHALS PWRs

Imre Pázsit, Henrik Nylén, Cristina Montalvo Martín et al
PHYSOR 2014 – The Role of Reactor Physics Toward a Sustainable Future
Conference paper - peer reviewed
2014

Pulse shape discrimination of neutrons and gamma rays using Kohonen artificial neural networks

Tatiana Tambouratzis, Dina Chernikova, Imre Pázsit et al
Journal of Artificial Intelligence and Soft Computing Research. Vol. 3 (1), p. 77-88
Scientific journal article - peer reviewed
2014

A general analytical solution for the variance-to-mean Feynman-alpha formulas for a two-group two-point, a two-group one-point and a one-group two-point cases

Dina Chernikova, Wang Ziguan, Imre Pázsit et al
European Physical Journal Plus. Vol. 129 (11), p. Art. no. 259
Scientific journal article - peer reviewed
2014

Comments on the stochastic characteristics of fission chamber signals

L. Pal, Imre Pázsit, Zsolt Elter et al
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 763, p. 44-52
Scientific journal article - peer reviewed
2014

Calculation of the Neutron Noise Induced by Periodic Deformations of a Large Sodium-Cooled Fast Reactor Core

Florian Zylbersztejn, Hoai Nam Tran, Imre Pázsit et al
Nuclear Science and Engineering. Vol. 177 (2), p. 203-218
Scientific journal article - peer reviewed
2014

Nils Göran Sjöstrand (1925-2014)

Imre Pázsit,
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. Vol. 752, p. VII-VIII
Journal/newspaper article
2014

The point kinetic component of neutron noise in an MSR

Imre Pázsit, Victor Dykin,
Transactions of the American Nuclear Society. 2013 ANS Annual Meeting - Next Generation Nuclear Energy: Prospects and Challenges, Atlanta, United States, 16-20 June 2013. Vol. 108, p. 912-914
Conference paper - peer reviewed
2014

The point kinetic component of neutron noise in an MSR

Imre Pázsit, Victor Dykin, R. Sanchez et al
Annals of Nuclear Energy. Vol. 64, p. 344-352
Scientific journal article - peer reviewed
2014

Qualitative and quantitative investigation of the propagation noise in various reactor systems

Victor Dykin, Anders Jonsson, Imre Pázsit et al
Progress in Nuclear Energy. Vol. 70, p. 98-111
Scientific journal article - peer reviewed
2013

Ringhals Diagnostics and Monitoring, Annual Research Report 2013

Victor Dykin, Cristina Montalvo Martin, Henrik Nylén et al
Report
2013

Theory of particle detection and multiplicity counting with dead time effects

Lénárd I. Pál, Imre Pázsit,
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M and C 2013. Vol. 1, p. 475-486
Conference paper - peer reviewed
2013

A Comparison of Artificial Neural Network Performance: the Case of Neutron/Gamma Pulse Shape Discrimination

Tatiana Tambouratzis, Dina Chernikova, Imre Pázsit et al
IEEE Symposium on Computational Intelligence for Security and Defense Applications (CISDA), p. 88-95
Conference paper - peer reviewed
2013

Application of the two-group - one-region and two-region - one-group Feynman-alpha formulas in safeguards and accelerator-driven system (ADS)

Dina Chernikova, Imre Pázsit, Wang Ziguan et al
Proceeding of ESARDA meeting 2013
Conference paper - peer reviewed
2013

Testing a direct method for evaluating the concentration of boron in a fuel pool using scintillation detectors, and a 252Cf and an 241Am-Be source

Dina Chernikova, Kåre Axell, Imre Pázsit et al
Proceeding of ESARDA meeting 2013
Conference paper - peer reviewed
2013

Derivation of two-group two-region Feynman-alpha formulas and their application to Safeguards and accelerator-driven system (ADS)

Dina Chernikova, Imre Pázsit, L. Pál et al
Proceeding of INMM 54th Annual Meeting
Conference paper - peer reviewed
2013

Simulation of in-core neutron noise measurements for axial void profile reconstruction in boiling water reactors

Victor Dykin, Imre Pázsit,
Nuclear Technology. Vol. 183 (3), p. 354-366
Scientific journal article - peer reviewed
2013

A direct method for evaluating the concentration of boric acid in a fuel pool using scintillation detectors for joint-multiplicity measurements

Dina Chernikova, Kåre Axell, Imre Pázsit et al
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 714, p. 90-97
Scientific journal article - peer reviewed
2013

On the dependence of the noise amplitude on the correlation length of inlet temperature fluctuations in PWRs

Florian Zylbersztejn, Hoai Nam Tran, Imre Pázsit et al
Annals of Nuclear Energy. Vol. 57, p. 134-141
Scientific journal article - peer reviewed
2012

Numerical simulation of the two phase flow and investigation of the induced neutron noise

Victor Dykin, Imre Pázsit,
Transactions of the American Nuclear Society. Vol. 106, p. 919-921
Conference paper - peer reviewed
2012

Testing of small detectors with glass rod light guides for multiplicity measurement purposes

Dina Chernikova, Imre Pázsit, Anders Nordlund et al
Proceedings of The 53nd Annual Meeting of the Institute of Nuclear Materials Management
Conference paper - non peer reviewed
2012

Ringhals Diagnostics and Monitoring, Annual Research Report 2012

Victor Dykin, Cristina Montalvo Martín, Henrik Nylén et al
Report
2012

Analytical solutions of the molten salt reactor equations

Imre Pázsit, Anders Jonsson, L. Pal et al
Annals of Nuclear Energy. Vol. 50, p. 206-214
Scientific journal article - peer reviewed
2012

On some problems in the counting statistics of nuclear particles Investigation of the dead time problems

L. Pal, Imre Pázsit,
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. Vol. 693, p. 26-50
Scientific journal article - peer reviewed
2012

Analytical investigation of the properties of the neutron noise induced by vibrating absorber and fuel rods

Anders Jonsson, Hoai Nam Tran, Victor Dykin et al
Kerntechnik. Vol. 77 (5), p. 371-380
Scientific journal article - peer reviewed
2012

Simulation of in-core neutron noise measurements for axial void profile reconstruction in boiling water reactors

Victor Dykin, Imre Pázsit,
International Conference on the Physics of Reactors 2012, PHYSOR 2012: Advances in Reactor Physics. Vol. 3, p. 2268-2281
Conference paper - peer reviewed
2012

Surveillance and diagnostics of the beam mode vibrations of the ringhals PWRs

C.M. Martín, Imre Pázsit, Henrik Nylén et al
International Conference on the Physics of Reactors 2012, PHYSOR 2012: Advances in Reactor Physics. Vol. 2, p. 1620-1631
Conference paper - peer reviewed
2012

Two-point theory for the differential self-interrogation Feynman-alpha method

Johan Anderson, Dina Chernikova, Imre Pázsit et al
European Physical Journal Plus. Vol. 127 (8)
Scientific journal article - peer reviewed
2012

Two-Group Theory of the Feynman-Alpha Method for Reactivity Measurement in ADS

L. Pál, Imre Pázsit,
Science and Technology of Nuclear Installations, p. Art. no. 620808
Scientific journal article - peer reviewed
2012

Derivation and quantitative analysis of the differential self-interrogation Feynman-alpha method

Johan Anderson, L. Pal, Imre Pázsit et al
European Physical Journal Plus. Vol. 127 (2)
Scientific journal article - peer reviewed
2011

Kinetic aspects of neutron noise in molten salt reactors, invited

Imre Pázsit, Anders Jonsson,
2011 ANS Annual Meeting; Hollywood, FL; United States; 26 June 2011 through 30 June 2011. Vol. 104, p. 850-851
Conference paper - non peer reviewed
2011

Application of noise analysis in nuclear safeguards and in the diagnostics of current and future reactor systems

Imre Pázsit,
3rd International Conference on Current Problems in Nuclear Physics and Atomic Energy, NPAE 2010; Kyiv; Ukraine; 7 June 2010 through 12 June 2010, p. 56-63
Conference paper - peer reviewed
2011

Final Report on the Research Project Ringhals Diagnostics and Monitoring Stage 14

Imre Pázsit, Cristina Montalvo Martín, Victor Dykin et al
Report
2011

On the Feynman-alpha formula for fast neutrons

Johan Anderson, Pal Lenard, Imre Pázsit et al
Proceedings 33rd ESARDA 16-20 May, Budapest, Hungary (2011)
Conference paper - peer reviewed
2011

Derivation and quantitative analysis of the differential self-interrogation Feynman-alpha method

Johan Anderson, Pal Lenard, Imre Pázsit et al
Proceedings 52nd INMM Conference 17-21 July, Palm Desert, CA, USA (2011)
Conference paper - peer reviewed
2011

Stochastic Invariant Imbedding Theory for a Distributed Internal Source

S. B. Degweker, Imre Pázsit,
Nuclear Science and Engineering. Vol. 168 (3), p. 248-264
Scientific journal article - peer reviewed
2011

Two-group theory of neutron noise in Molten Salt Reactors

Anders Jonsson, Imre Pázsit,
Annals of Nuclear Energy. Vol. 38 (6), p. 1238-1251
Scientific journal article - peer reviewed
2011

A special branching process with two particle types

L. Pal, Imre Pázsit,
European Physical Journal Plus. Vol. 126 (2)
Scientific journal article - peer reviewed
2011

Neutron noise calculations using the Analytical Nodal Method and comparisons with analytical solutions

Viktor Larsson, Christophe Demazière, Imre Pázsit et al
Annals of Nuclear Energy. Vol. 38 (4), p. 808-816
Scientific journal article - peer reviewed
2011

Reactor Kinetics, Dynamic Response, and Neutron Noise in Molten Salt Reactors

Imre Pázsit, Anders Jonsson,
Nuclear Science and Engineering. Vol. 167, p. 61-76
Scientific journal article - peer reviewed
2010

Theory of the Feynman- and Rossi-alpha methods in two energy groups

L. Pál, Imre Pázsit,
2010 ANS Annual Meeting and Embedded Topical Meeting: Isotopes for Medicine and Industry, Las Vegas, United States, 7-11 November 2010. Vol. 103, p. 321-322
Conference paper - peer reviewed
2010

Final Report on the Research Project Ringhals Diagnostics and Monitoring Stage 13

Imre Pázsit, Cristina Montalvo Martín, Victor Dykin et al
Report
2010

Diagnostics of core barrel and fuel assembly vibrations in the Swedish Ringhals PWRs

Imre Pázsit, C. Montalvo-Martín, Augusto Hernández-Solís et al
7th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies 2010, NPIC and HMIT 2010, Las Vegas, NV; 7 November 2010 through 11 November 2010. Vol. 2, p. 833-844
Conference paper - peer reviewed
2010

Investigation of the space-dependent noise induced by propagating density fluctuations

Victor Dykin, Imre Pázsit,
International Conference on the Physics of Reactors 2010, PHYSOR 2010 . Vol. 2, p. 963-978
Conference paper - non peer reviewed
2010

Reactor kinetics, dynamic response and neutron noise in molten salt reactors

Imre Pázsit, Anders Jonsson,
International Conference on the Physics of Reactors 2010, PHYSOR 2010. Vol. 2, p. 979-999
Conference paper - non peer reviewed
2010

A fuzzy inference system for two-phase flow regime identification from radiography images

Tatiana Tambouratzis, Imre Pázsit,
International Journal of Nuclear Energy Science and Technology. Vol. 5 (4), p. 321-334
Scientific journal article - peer reviewed
2010

Noise Techniques in Nuclear Systems

Imre Pázsit, Christophe Demazière,
Handbook of Nuclear Engineering, p. 1629-1737
Chapter in monograph, book
2010

Investigation of the space-dependent noise induced by propagating perturbations

Imre Pázsit, Victor Dykin,
Annals of Nuclear Energy. Vol. 37 (10), p. 1329-1340
Scientific journal article - peer reviewed
2010

Stochastic aspects of neutron slowing down processes

L. Pal, Imre Pázsit,
Physica Scripta. Vol. 82 (1)
Scientific journal article - peer reviewed
2010

Calculation of the light pulse distributions induced by fast neutrons in organic scintillation detectors

Andreas Enqvist, Imre Pázsit,
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. Vol. 618 (1-3), p. 266-274
Scientific journal article - peer reviewed
2010

A general regression artificial neural network for two-phase flow regime identification

Tatiana Tambouratzis, Imre Pázsit,
Annals of Nuclear Energy. Vol. 37 (5), p. 672-680
Scientific journal article - peer reviewed
2010

Determination of the subcriticality level using the Cf-252 source-detector method

P. Baeten, A. Lafuente, J. Janssens et al
Annals of Nuclear Energy. Vol. 37 (5), p. 740-752
Scientific journal article - peer reviewed
2010

Sample characterization using both neutron and gamma multiplicities

Andreas Enqvist, Imre Pázsit, S. Avdic et al
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. Vol. 615 (1), p. 62-69
Scientific journal article - peer reviewed
2010

Initial Evaluation for a Combined Neutron and Gamma 1 Ray Multiplicity Counter

Andreas Enqvist, S. A. Pozzi, M. Flaska et al
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 621 (1-3), p. 493-497
Scientific journal article - peer reviewed
2009

Non-invasive on-line two-phase flow regime identification employing artificial neural networks

Tatiana Tambouratzis, Imre Pázsit,
Annals of Nuclear Energy. Vol. 36 (4), p. 464 - 469
Scientific journal article - peer reviewed
2009

Stochastic equations in the invariant imbedding formulation of particle transport

Shashikant Degweker, Imre Pázsit,
Annals of Nuclear Energy. Vol. 36 (8), p. 1108-1119
Scientific journal article - peer reviewed
2009

Unfolding sample parameters from neutron and gamma multiplicities using artificial neural networks.

Senada Avdic, Andreas Enqvist, Imre Pázsit et al
ESARDA Bulletin (43), p. 21-29
Scientific journal article - peer reviewed
2009

The Detection Statistics of Neutrons and Photons Emitted from a Fissile Sample.

Andreas Enqvist, Sara Pozzi, Imre Pázsit et al
Nuclear Instruments and Methods in Physics Research A. Vol. 607, p. 451-457
Scientific journal article - peer reviewed
2009

A note on the multiplicity expressions in nuclear safeguards.

Imre Pázsit, Andreas Enqvist, Lénárd Pál et al
Nuclear Instruments and Methods in Physics Research A. Vol. 603, p. 541-544
Scientific journal article - peer reviewed
2009

Remark on the role of the driving force in BWR instability

Victor Dykin, Imre Pázsit,
Annals of Nuclear Energy. Vol. 36 (10), p. 1544–1552
Scientific journal article - peer reviewed
2009

The fast fission factor revisited

Lénárd Pál, Imre Pázsit,
Nuclear Science and Engineering. Vol. 161 (1), p. 111 - 118
Scientific journal article - peer reviewed
2009

Numerical tools applied to power reactor noise analysis

Christophe Demazière, Imre Pázsit,
Progress in nuclear energy. Vol. 51 (1), p. 67 - 81
Scientific journal article - peer reviewed
2008

Final Report on the Research Project Ringhals Diagnostics and Monitoring, Stage 12

Imre Pázsit, Christophe Demazière, Carl Sunde et al
Report
2008

Neutron Fluctuations - A Treatise on the Physics of Branching Processes

Lénárd Pál, Imre Pázsit,
Monograph, book
2008

Some properties of zero power neutron noise in a time-varying medium with delayed neutrons

Yasunori Kitamura, Lénárd Pál, Imre Pázsit et al
Annals of Nuclear Energy. Vol. 35 (9), p. 1621-1627
Scientific journal article - peer reviewed
2007

Theory of neutron noise in a temporally fluctuating multiplying medium

Lénárd Pál, Imre Pázsit,
Nuclear Science and Engineering. Vol. 155 (3), p. 425-440
Scientific journal article - peer reviewed
2007

Invariant-embedding and cognate kinetic descriptions of particle reflection/emission from surfaces

L. G. Glazov, Imre Pázsit,
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms. Vol. 256 (2), p. 638-658
Scientific journal article - peer reviewed
2007

Monte Carlo and analytical models of neutron detection with organic scintillation detectors

S. A. Pozzi, M. Flaska, Andreas Enqvist et al
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. Vol. 582 (2), p. 629-637
Scientific journal article - peer reviewed
2007

Investigation of the validity of the point-kinetic approximation and of the break-frequency method in 2-D subcritical systems

Carl Sunde, Christophe Demazière, Imre Pázsit et al
Proc. Joint Int. Topl. Mtg. Mathematics & Computation and Supercomputing in Nuclear Applications (M & C + SNA 2007)
Conference paper - peer reviewed
2007

Calculation of higher moments of the neutron multiplication process in a time-varying medium

Yasunori Kitamura, Imre Pázsit, A Yamamoto et al
Annals of Nuclear Energy. Vol. 34 (5), p. 385-395
Scientific journal article - peer reviewed
2007

Wavelet techniques for the determination of the decay ratio in boiling water reactors

Carl Sunde, Imre Pázsit,
Kerntechnik. Vol. 72 (1-2), p. 7-19
Scientific journal article - peer reviewed
2007

Final Report on the Research Project Ringhals Diagnostics and Monitoring Stage 11

Carl Sunde, Christophe Demazière, Imre Pázsit et al
Report
2007

Investigation of the validity of the point-kinetic approximation and of the break-frequency method in 2-D subcritical systems

Carl Sunde, Christophe Demazière, Imre Pázsit et al
Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications, Monterey April 15-19, 2007
Conference paper - non peer reviewed
2006

Numerical tools applied to power reactor noise analysis

Christophe Demazière, Imre Pázsit,
Proc. 5th Int. Topl. Mtg. Nuclear Plant Instrumentation, Controls, and Human Machine Interface Technology (NPIC&HMIT 2006), Albuquerque, New Mexico, USA, November 12-16, 2006, American Nuclear Society
Conference paper - peer reviewed
2006

Benchmarking the invariant embedding method against analytical solutions in model transport problems

Malin Wahlberg, Imre Pázsit,
Nuclear Technology and Radiation Protection. Vol. 21 (2), p. 3 - 13
Scientific journal article - peer reviewed
2006

The Number Distribution and Factorial Moments of Neutrons and Gamma Photons Generated in a Multiplying Sample

Andreas Enqvist, Imre Pázsit, Sara Pozzi et al
Journal of Nuclear Material Management . Vol. XXXV (1), p. 29 - 35
Scientific journal article - peer reviewed
2006

Neutron Slowing Down in a Detector with Absorption

Sara Pozzi, Imre Pázsit,
Nuclear Science and Engineering. Vol. 154 (3), p. 367 - 373
Scientific journal article - peer reviewed
2006

The number distribution of neutrons and gamma photons generated in a multiplying sample

Andreas Enqvist, Imre Pázsit, Sara Pozzi et al
Nuclear Instruments and Methods in Physics Research A. Vol. 566 (2), p. 598-608
Scientific journal article - peer reviewed
2006

Neutron fluctuations in a multiplying medium randomly varying in time

Lénárd Pál, Imre Pázsit,
Physica Scripta. Vol. 74 (1), p. 62-70
Scientific journal article - peer reviewed
2006

The Statistics of the Number of Neutron Collisions prior to Absorption

Sara A. Pozzi, Imre Pázsit,
Nuclear Science and Engineering. Vol. 153 (1), p. 60 - 68
Scientific journal article - peer reviewed
2006

Calculation of the Neutron Noise Induced by Shell-Mode Core-Barrel Vibrations in a 1-D, Two-Group, Two-Region Slab Reactor Model

Carl Sunde, Christophe Demazière, Imre Pázsit et al
Nuclear Technology. Vol. 154 (2), p. 129-141
Scientific journal article - peer reviewed
2006

Neutron kinetics in subcritical cores with application to the source modulation method

Johanna Wright, Imre Pázsit,
Annals of Nuclear Energy. Vol. 33 (2), p. 149-158
Scientific journal article - peer reviewed
2006

Calculation of the stochastic pulsed Rossi-alpha formula and its experimental verification

Yasunori Kitamura, K. Taguchi, T. Misawa et al
Progress in Nuclear Energy. Vol. 48 (1), p. 37-50
Scientific journal article - peer reviewed
2006

Investigation of detector tube impacting in the BWR Ringhals-1

Carl Sunde, Imre Pázsit,
International Journal of Nuclear Energy Science and Technology. Vol. 2 (3), p. 189-208
Scientific journal article - peer reviewed
2005

Gamma Multiplicities in a Multiplying Sample for the Assay of Nuclear Materials

Imre Pázsit, Sara A. Pozzi,
Nuclear Instruments and Methods. Vol. 555 A (1-2), p. 340-346
Scientific journal article - peer reviewed
2005

Analysis of heartbeat data with spectral and fractal techniques

Imre Pázsit,
Fluctuation and Noise Letters . Vol. 5 (3), p. L357-L363
Scientific journal article - peer reviewed
2005

Final Report on the Research Project Ringhals Diagnostics and Monitoring, Stage 10

Carl Sunde, Johanna Wright, Christophe Demazière et al
Report
2005

Final Report on the Research Project Ringhals Diagnostics and Monitoring, Stage 9

Christophe Demazière, Carl Sunde, Imre Pázsit et al
Report
2005

Investigation of the validity of the point-kinetic approximation for subcritical heterogeneous systems in 2-group diffusion theory for measurement of the reactivity in ADS

Christophe Demazière, Imre Pázsit, Johanna Wright et al
Proc. Int. Conf. Nuclear Energy Systems for Future Generation and Global Sustainability (GLOBAL2005)
Conference paper - peer reviewed
2005

Investigation of the neutron noise induced by shell-mode core-barrel vibrations

Carl Sunde, Christophe Demazière, Imre Pázsit et al
Proceeding of International Topical Meeting on Mathematics and Computation, Supercomputing, Reactor Physics and Nuclear and Biological Applications, American Nulcear Society, Avignon, France, September 12-15, 2005
Conference paper - peer reviewed
2005

On the possibility of the space-dependence of the stability indicator (decay ratio) of a BWR

Christophe Demazière, Imre Pázsit,
Annals of Nuclear Energy. Vol. 32 (12), p. 1305-1322
Scientific journal article - peer reviewed
2005

Calculation of the pulsed Feynman-alpha formulae and their experimental verification

Imre Pázsit, Yasunori Kitamura, Johanna Wright et al
Annals of Nuclear Energy. Vol. 32 (9), p. 986-1007
Scientific journal article - peer reviewed
2005

Classification of two-phase flow regimes via image analysis and a neuro-wavelet approach

Carl Sunde, Senada Avdic, Imre Pázsit et al
Progress in Nuclear Energy. Vol. 46 (3-4), p. 348-358
Scientific journal article - peer reviewed
2005

Derivation of pulsed Feynman- and Rossi-alpha formulae including delayed neutrons

Yasunori Kitamura, Imre Pázsit, Johanna Wright et al
Annals of Nuclear Energy. Vol. 32 (7), p. 671-692
Scientific journal article - peer reviewed
2004

Classification of Two-Phase Flow Regimes via Image Analysis by a Neuro-Wavelet Approach

Carl Sunde, Senada Avdic, Imre Pázsit et al
Applied Computational Intelligence, Proceedings of the 6th International FLINS Conference, p. 236-239
Conference paper - peer reviewed
2004

Development of a method for measuring the MTC by noise analysis and its experimental verification in Ringhals-2

Christophe Demazière, Imre Pázsit,
Nuclear Science and Engineering. Vol. 148 (1), p. 1-29
Scientific journal article - peer reviewed
2003

Determination of the MTC by noise analysis methods

Christophe Demazière, Imre Pázsit,
Proc. Annual Mtg. Nuclear Technology 2003 (JK2003)
Conference paper - peer reviewed
2003

A phenomenological model for the explanation of a strongly space-dependent Decay Ratio

Christophe Demazière, Imre Pázsit,
Proc. Int. Mtg. Nuclear Mathematical and Computational Sciences (M&C2003)
Conference paper - peer reviewed
2003

Analysis of an MTC noise measurement performed in Ringhals-2 using gamma-thermometers and in-core neutron detectors

Christophe Demazière, Imre Pázsit, Tell Andersson et al
Progress in nuclear energy. Vol. 43 (1-4), p. 57-66
Scientific journal article - peer reviewed
2003

Study of the MTC estimation by noise analysis in 2-D heterogeneous systems

Christophe Demazière, Imre Pázsit,
Progress in nuclear energy. Vol. 43 (1-4), p. 313-319
Scientific journal article - peer reviewed
2003

Development and application of core diagnostics and monitoring for the Ringhals PWRs

Tell Andersson, Christophe Demazière, Albert Nagy et al
Progress in nuclear energy. Vol. 43 (1-4), p. 35-41
Scientific journal article - peer reviewed
2003

Final Report on the Research Project Ringhals Diagnostics and Monitoring, Stage 8

Christophe Demazière, Carl Sunde, Vasily Arzhanov et al
Report
2002

Development of a method for measuring the MTC by noise analysis and its experimental verification in Ringhals-2

Christophe Demazière, Imre Pázsit,
Proc. Int. Mtg. New Frontiers of Nuclear Technology: Reactor Physics, Safety and High-Performance Computing (PHYSOR2002)
Conference paper - peer reviewed
2002

Evaluation of the boron dilution method for Moderator Temperature Coefficient measurements

Christophe Demazière, Imre Pázsit, Gabor Pór et al
Nuclear Technology. Vol. 140 (1), p. 147-163
Scientific journal article - peer reviewed
2002

Theoretical investigation of the MTC noise estimate in 1-D homogeneous systems

Christophe Demazière, Imre Pázsit,
Annals of Nuclear Energy. Vol. 29 (1), p. 75-100
Scientific journal article - peer reviewed
2001

2-D 2-group neutron noise simulator and its application to anomaly localisation

Christophe Demazière, Imre Pázsit,
Proc. Int. Mtg. Mathematical Methods for Nuclear Applications (M&C2001)
Conference paper - peer reviewed
2000

Estimation of the Moderator Temperature Coefficient (Analysis of an MTC measurement using boron dilution method)

Christophe Demazière, Imre Pázsit, Gabor Pór et al
Proc. Int. Topl. Mtg. Nuclear Plant Instrumentation, Controls, and Human-Machine Interface Technologies (NPIC&HMIT 2000)
Conference paper - peer reviewed
2000

Theoretical investigation of the MTC noise estimate in 1-D homogeneous systems

Christophe Demazière, Imre Pázsit,
Proc. 28th Informal Mtg. Reactor Noise (IMORN-28)
Conference paper - peer reviewed
2000

Theory of neutron noise induced by spatially randomly distributed noise sources

Christophe Demazière, Imre Pázsit,
Proc. Int. Mtg. Advances in Reactor Physics and Mathematics and Computation into the Next Millennium (PHYSOR2000)
Conference paper - peer reviewed