15th International Workshop on Slow Positron Beam Techniques & Applications (SLOPOS-15)

important dates:

  • Abstract submission deadline May 15, 2019

  • Notification about abstract acceptance May 15, 2019

  • Early bird registation fee deadline May 31, 2019

  • SLOPOS-15 conference September 2-6, 2019

  • Full paper submission deadline extended till
    September 30, 2019

number of registered participants: 135

SLOPOS-15 time table

SLOPOS-15 program

 Monday September 2, 2019
 7:00 - 8:00 Registration, Cofee & breakfast
 8:00 - 8:10 Opening of SLOPOS-15
Ladislav Skrbek, Vice-dean of the Faculty of Mathematics and Physics, Charles University, Czech Rep.
 8:10 - 8:20 Organization remarks
 Session I Positron surface science
Chair: Andreas Wagner
 8:20 - 9:00 Plenary lecture 1
Alex Weiss, The University of Texas at Arlington, USA
Novel Positron Annihilation Based Surface Spectroscopies
 9:00 - 9:30 Invited talk 1
Izumi Mochizuki, Institute of Materials Structure Science, KEK, Japan
Recent studies of Surface Structure Analysis with Total-Reflection High-Energy Positron Diffraction (TRHEPD) at Slow-Positron Facility, KEK
 9:30 - 10:00 Invited talk 2
Ken Wada, National Institutes for Quantum and Radiological Science and Technology, Japan
A low-energy positron diffraction (LEPD) experiment station for a linac-based slow-positron beam
 10:00 - 10:30 Invited talk 2
Kenji Ito, National Institute of Advanced Industrial Science and Technology (AIST), Japan
Na-22 based low-energy AMOC measurements for chemical analysis of the free-volume holes in hydrocarbon-silica hybrid thin films
 10:30 - 11:00 Cofee break
 Session II Ps physics and Ps beams
Chair: Yasuyuki Nagashima
 11:00 - 11:40 Plenary lecture 2
David Cassidy, University College London, UK
Recent experimental progress in positronium-laser physics
 11:40 - 12:10 Invited talk 4
Sebastiano Mariazzi, University of Trento, Italy
Techniques for production and detection of a 23S positronium beam
 12:10 - 12:30 Talk 1
Ross Sheldon, University College London, UK
A Multi-ring Electrostatic Guide for Rydberg Positronium
 12:30 - 12:50 Talk 2
Lokesh Gurung, University College London, UK
Precision microwave spectroscopy of the n=2 positronium fine structure
 12:50 - 13:00 Conference photo
 13:00 - 14:00 Lunch, restaurant Profesni dum ( base floor, conference venue)
 Session III Ps physics and Ps beams
Chair: Radek Zaleski
 14:00 - 14:20 Talk 3
Akira Ishida, The University of Tokyo, Japan
Recent progress towards positronium Bose-Einstein condensation
 14:20 - 14:40 Talk 4
Nikodem Krawczyk, Jagiellonian University, Krakow, Poland
Studies of quantum entanglement in positronium decay with the J-PET detector
 14:40 - 15:00 Talk 5
Juhi Raj, Jagiellonian University, Krakow, Poland
Search for T-violation in Positronium decay using the J-PET detector
 15:00 - 15:20 Talk 6
Aleksander Gajos, Jagiellonian University, Krakow, Poland
Studies of ortho-positronium decays into three photons with the J-PET detector
 15:20 - 15:40 Talk 7
Jyoti Chhokar, Jagiellonian University, Krakow, Poland
Charge symmetry test in decays of positronium atoms using the J-PET detector
 15:40 - 16:00 Talk 8
Sushil Sharma, Jagiellonian University, Krakow, Poland
TOT method for the disentanglement of photons in Positron Annihilation Lifetime Spectroscopy
 16:00 - 16:30 Cofee break
 Session IV Ps in solids & liquids
Chair: Kenji Ito
 16:30 - 17:00 Invited talk 5
Roberto Sennen Brusa, University of Trento, Italy
Open volumes structure and molecular transport in polymer and biopolymer nanocomposites
 17:00 - 17:30 Invited talk 6
Ruggero Caravita , AEgIS collaboration, CERN, Switzerland
Long-lived Positronium for pulsed antihydrogen production
 17:30 - 17:50 Talk 9
Tetsuya Hirade , Japan Atomic Energy Agency, Tokai, Japan
ortho-Positronium annihilation in Room Temperature Ionic Liquids
 17:50 - 18:10 Talk 10
Bozena Zgardzinska , Maria Curie-Sklodowska University, Lublin, Poland
INTI plot - a new standard for the presentation of PALS results
 18:30 - 22:00 Welcome reception & excursion to rotunda
 Tuesday September 3, 2019
 Session V Positron traps & scattering
Chair: Alex Weiss
 8:00 - 8:40 Plenary lecture 3
Clifford Surko, University of California San Diego, USA
New Physics with Positron Traps and Trap-Based Beams
 8:40 - 9:10 Invited talk 7
Akira Uedono, University of Tsukuba, Japan
Annealing behaviours of open spaces in thin Al2O3 films deposited on semiconductors studied using monoenergetic positron beams
 9:10 - 9:30 Talk 11
Luca Chiari, Chiba University, Japan
A novel high-brightness and energy-tunable positronium beam and future applications
 9:30 - 9:50 Talk 12
Gleb Gribakin, Queen's University Belfast, UK
Positron binding, scattering, and annihilation on atoms and molecules
 9:50 - 10:10 Talk 13
Francesco Guatieri, Forschungs-Neutronenquelle, Heinz Maier-Leibnitz (FRM II), Garching, Germany
Simulating positron to positronium conversion in nanostructured materials
 10:10 - 10:30 Talk 14
Samuel Niang, CEA, University Paris-Saclay, France
Accumulation of positrons from a linac based source
 10:30 - 11:00 Cofee break
 Session VI Antimatter & high energy physics
Chair: Roberto Sennen Brusa
 11:00 - 11:30 Invited talk 8
Laszlo Liszkay, CEA, IRFU, University Paris-Saclay, France
The new positron beam line of the GBAR experiment at CERN
 11:30 - 12:00 Invited talk 9
Rafael Ferragut, Politecnico di Milano, Italy
Antimatter wave interferometry. First observation
 12:00 - 12:20 Talk 15
Bongho Kim, The Research institute of Basic Science, Seoul National University, Korea
Development of a PbWO4 detector for single-shot positron annihilation lifetime spectroscopy at the GBAR experiment
 12:20 - 12:40 Talk 16
Jing Jiang, National University of Defense Technology, Changsha, China
The Generation of Ultra-relativistic Positron by Gas-Solid Target Based on Ultra-intense Laser
 12:40 - 13:00 Talk 16
Yanyun Ma, National University of Defense Technology, Changsha, China
Generation of quasi-monoenergetic high energy positrons based on laser wakefield accelerated electrons
 13:00 - 14:00 Lunch, restaurant Profesni dum ( base floor, conference venue)
 Session VII Positron physics & theory
Chair: Akira Uedono
 14:00 - 14:30 Invited talk 10
Eve Stenson, Max-Planck-Institute for Plasma Physics, Greifswald & Garching, Germany
Positron-induced luminiscence
 14:30 - 15:00 Invited talk 11
Jan Kuriplach, Charles University, Prague, Czech Republic
HfNbTaTiZr complex concentrated alloys, their microstructure and positron characteristics
 15:00 - 15:20 Talk 18
Masanori Tachikawa, Yokohama City University, Japan
Ab initio study of the effect of molecular vibrations on the positron-binding to polyatomic molecules
 15:20 - 15:40 Talk 19
Shoji Ishibashi, National Institute of Advanced Industrial Science and Technology (AIST), Japan
Calculation of positron states and annihilation parameters in gamma and amorphous Al2O3
 15:40 - 16:00 Talk 20
Cara Doherty, CSIRO Manufacturing, Australia
Porous Metal-Organic Framework Glasses
 16:00 - 16:30 Cofee break
 Session VIII Development of positron beams & techniques
Chair: Torsten Staab
 16:30 - 17:00 Invited talk 12
Koji Michishio, National Institute of Advanced Industrial Science and Technology (AIST), Japan
Current status of the AIST slow positron facility
 17:00 - 17:20 Talk 21
Lukasz Kaplon, Jagiellonian University, Krakow, Poland
Development of Fast Plastic Scintillators for Positron Annihilation Lifetime Spectroscopy
 17:20 - 17:40 Talk 22
Jerzy Dryzek, Institute of Nuclear Physics PAN institute, Krakow, Poland
On the reconstruction of defect depth profiles obtained from the positron annihilation experiment and chemical etching
 17:40 - 18:00 Talk 23
Valerio Toso, Politecnico di Milano, Italy
Sensitivity of nuclear emulsions to low-energy positrons
 18:00 - 20:00 Poster Session
 20:00 - 22:00 Evening excursion to Prague's castle
 Wednesday September 4, 2019
 Session IX Development of positron beams & techniques
Chair: Reinhard Krause-Rehberg
 8:00 - 8:40 Plenary lecture 4
Christoph Hugenschmidt, FRM II and Physics Department E21 Technische Universitat Munchen, Germany
Determination of the Vacancy Formation Enthalpy Revisited by Temperature Dependent Doppler-Broadening Spectroscopy
 8:40 - 9:10 Invited talk 13
Werner Egger, Universitat der Bundeswehr Munchen, Germany
The pulsed low energy positron system PLEPS: applications and new developments
 9:10 - 9:30 Talk 24
Matthias Dodenhoft, Heinz Maier-Leibnitz Center (MLZ), Technische Universitat Munchen (TUM), Germany
Total Reflection High-Energy Positron Diffractometer at NEPOMUC
 9:30 - 9:50 Talk 25
Marcel Dickmann, Universitat der Bundeswehr Munchen, Germany
Upgrade of the NEPOMUC re-moderator
 9:50 - 10:10 Talk 26
Eric Hirschmann, Helmholtz Zentrum Dresden-Rossendorf, Germany
Digital positron annihilation lifetime spectroscopy for high count rates
 10:10 - 10:30 Talk 27
Laurent Weber, Teledyne Signal Processing Devices, Sweden
Optimized High-speed digitizers for slow positron applications
 10:30 - 11:00 Cofee break
 Session X Development of positron beams & techniques
Chair: Christoph Hugenschmidt
 11:00 - 11:30 Invited talk 14
Maik Butterling, Helmholtz Zentrum Dresden-Rossendorf, Germany
Status of the Positron Sources at the Superconducting Electron LINAC ELBE
 11:30 - 12:00 Invited talk 15
Eric Voutier, CNRS/IN2P3/IPNO Universite Paris Sud & Paris Saclay, France
Polarized positron beam developments
 12:00 - 12:20 Talk 28
Andreas Wagner, Helmholtz Zentrum Dresden-Rossendorf, Germany
Do we need a mono-energetic spin-polarized positron beam?
 12:20 - 12:40 Talk 29
Yingjie Wang, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
Positron burst detecting array system based on SiPM and DRS4
 12:40 - 13:00 Talk 29
Sharon May-Tal Beck, NRCN, Beer-Sheva, Israel
The new operational Slow POsitron faciliTy in Israel: SPOT-IL
 13:30 - 18:30 Excursion to Kutna Hora (st. Barbora Cathedral, Ossuary Sedlec, Cathedral of Assumption of Our lady and st. John the Baptist)
Lunch pack provided
 18:30 - 20:30 Dinner in restaurant Dacicky, Kutna hora
 Thursday September 5, 2019
 Session XI Defects in oxides & semiconductors
Chair: Jan Kuriplach
 8:00 - 8:30 Invited talk 16
Stephan Eijt, TU Delft, The Netherlands
The role of vacancies and hydrogen in the photochromism of YOxHy thin films examined by in-situ Positron Annihilation Spectroscopy and muSR
 8:30 - 9:00 Invited talk 17
David Keeble, University of Dundee, UK
Variable energy positron annihilation lifetime spectroscopy studies of perovskite oxide electronic materials
 9:00 - 9:30 Invited talk 18
Kelvin Lynn, Washington State University, USA
Positron Annihilation studies of in Various doped beta-Ga2O3 Single Crystals with a Variable Energy Positron Beam
 9:30 - 9:50 Talk 32
Jonatan Slotte, Aalto University, Finland
Compensating defects in epitaxial Ge and GexSn1-x
 9:50 - 10:10 Talk 33
Nikolay Arutyunov, IIPLT-Institute of Electronics Tashkent, Uzbekistan
Positron annihilation in polyelectron system of strong spin-orbit field induced by bismuth impurity centers in natural silicon
 10:30 - 11:00 Cofee break
 Session XII Defects in thin films
Chair: Stephan Eijt
 11:00 - 11:30 Invited talk 19
Maciej Oskar Liedke, Helmholtz Zentrum Dresden-Rossendorf, Germany
Electrical field-controlled ON-OFF ferromagnetism in metal oxide films
 11:30 - 11:50 Talk 34
Ahmed G. Attallah, Helmholtz Zentrum Dresden-Rossendorf, Germany
Different curing strategies to create closed pores in ultra-low-k thin films
 11:50 - 12:10 Talk 35
Jacques Botsoa, CNRS, CEMHTI Universite d'Orleans, France
The origin of the p-type conductivity in thin films of copper chromium delafossites deposited by Metal-Organic Chemical Vapor deposition investigated by Positron Annihilation Spectroscopy
 12:10 - 12:30 Talk 36
Petr Hruska, Charles University, Prague, Czech Republic
Slow positron annihilation studies of black and reflective Al films prepared by magnetron sputtering
 12:30 - 12:50 Talk 37
Afrina Khanam, Aalto University, Finland
Manifestation of Vacancy-As complexes in As doped GeSn epilayers
 13:00 - 14:00 Lunch, restaurant Profesni dum ( base floor, conference venue)
 Session XIII Defects in metals
Chair: Masanori Fujinami
 14:00 - 14:30 Invited talk 37
Mohamed Elsayed, Martin-Luther University Halle, Germany
The influence of trace elements on formation of quenched-in vacancies in Al-alloys
 14:30 - 14:50 Talk 38
Laura Resch, Institute of Materials Physics, Graz University of Technology, Austria
Artificial Aging of a Commercial Light Weight Alloy Studied by In-situ Positron Beam Doppler Broadening Spectroscopy
 14:50 - 15:10 Talk 39
Alaaeldin Ibrahim, Martin-Luther University Halle, Germany
Effect of trace elements and quenched-in vacancies on precipitation hardening in Al-1.7at%Cu alloy
 15:10 - 15:30 Talk 40
Pierre Desgardin, CNRS, University Orleans, France
Vacancies-solutes interactions and their role in the formation of oxide nanoparticles in ODS steels
 15:30 - 16:00 Voting next SLOPOS
 16:00 - 16:30 Cofee break
 Session XIV Defects in various solids
Chair: Ivan Prochazka
 16:30 - 17:00 Invited talk 21
Filip Tuomisto, Aalto University, Finland
Doppler broadening experiments (and calculations) in beta-Ga2O3: vacancy defects, signal anisotropy, or both?
 17:00 - 17:20 Talk 41
Jagoda Urban-Klaehn, Idaho National Laboratory, USA
Positron Parameters for Atypical Samples (Rocks & Powdered Catalysts)
 17:20 - 17:50 Talk 42
Taras Kavetskyy, Drohobych Ivan Franko State Pedagogical University, Ukraine
Controlling the network properties of polymer matrixes for improvement of amperometric enzyme biosensors: Contribution of positron annihilation
 17:50 - 18:10 Talk 43
Ewelina Kubicz, Jagiellonian University, Krakow, Poland
Studies of alive normal and cancer cell lines and tissues in vitro with Positron Annihilation Lifetime Spectroscopy
 19:00 - 23:00 Banquet at the Assembly hall of the Lesser Town Palace
 Friday September 6, 2019
 Session XV Ps interaction with solids & ion implantation
Chair: Vladimir Slugen
 8:00 - 8:40 Plenary lecture 5
Yasuyuki Nagashima, Tokyo University of Science, Japan
Progress in the study of energy tunable Ps beams employing Ps- photodetachment technique
 8:40 - 9:10 Invited talk 22
Atsuo Kawasuso, National Institutes for Quantum and Radiological Science and Technology, Japan
Positronium Formation at Metal, Semiconductor and Graphene Surfaces
 9:10 - 9:40 Invited talk 23
Marie-France Barthe, CEMHTI CNRS, Universite d'Orleans, France
Damage induced by irradiation in W and Deuterium trapping in vacancy defects probed by slow positrons
 9:40 - 10:10 Invited talk 24
Catherine Corbel, CEA, France
Effect of Defect Production on Photoluminescence & Positron Trapping in He ion Implanted Methylammonium Lead Tri-Iodide Perovskite Layers
 10:10 - 10:30 Talk 44
Xingzhong Cao, Institute of High Energy Physics, Beijing, China
Effect of rhenium on microscopic defects induced by He-ions irradiation in tungsten-based alloys
 10:30 - 11:00 Cofee break
 Session XVI Radiation damage & Ion implantation
Chair: Marie-France Barthe
 11:00 - 11:20 Talk 45
Vladimir Slugen, Institute of Nuclear and Physical Engineering, Slovak University of Technology
Positron annihilation studies of reactor pressure vessel steels treated by irradiation and hydrogen ion implantation
 11:20 - 11:40 Talk 46
Eryang Lu, Aalto University, Finland
Effect of carbon on the evolution of early stage radiation defects in equi-atomic CoCrFeMnNi high-entropy alloys
 11:40 - 12:00 Talk 47
Peter Simpson, Western University, Canada
In situ ion implanter to study vacancy-impurity interactions
 12:00 - 12:20 Talk 48
Krzysztof Siemek, Joint Institute for Nuclear Research, Dubna, Russia
Defect and ion distribution studies in ion-implanted silicon
 12:20 - 12:40 Talk 49
Anna Mackova, Nuclear Physics Institute of the Czech Academy of Sciences
Ion beam modification of crystalline materials for optoelectronic application
 13:00 - 14:00 Lunch, restaurant Profesni dum ( base floor, conference venue)
 14:00 - 14:20 Andreas Wagner, Helmholtz Zentrum Dresden-Rossendorf
Summary of SLOPOS-15
 14:20 - 14:30 Closing remarks
 15:00 - 20:00 Excursion to laboratories in Rez (Tandetron, cyclotron) and in Troja (positron annihilation spectroscopy)