MMND ITRO 2016, Hobart, Tasmania, Australia

26-31 January 2016

ESR 9 Benedikt Bergmann gave a presentation "Measurement of the Ionizing Energy Depositions after Fast Neutron Interactions in Silicon" at the Micro-Mini and Nano-Dosimetry and Innovative technologies in Radiation Conference (Hobart, Tasmania)

Get as PDF


ACES 2016 Workshop, CERN, Geneva, Switzerland

January 2016

ESR 9 Benedikt Bergmann presented a poster "TIMEPIX DETECTOR NETWORK FOR NEUTRON DETECTION AND CHARACTERIZATION OF THE RADIATION FIELDS IN THE ATLAS CAVERN".

Get as PDF


Seminars to RP Group, CERN, Geneva, Switzerland

January 2016

Former ESR 4 Stuart George came back to CERN for two weeks in January 2016, six months after the end of his contract and before taking up a post-doc position at the University of Houston, and delivered three seminars on the work he has done with ARDENT.


1. "Neutron Dosimetry and Time of Flight Beam Characterization with Hybrid Pixel Detectors" Get as PDF



2. "Particle Tracking and Hadron Therapy Beam Monitoring with GEMPix – a Highly Pixelated Triple GEM Detector" Get as PDF



3. "Charged Particle Dosimetry on the International Space Station with Silicon Hybrid Pixel Detectors" Get as PDF


ENLIGHT (The European Network for LIGht ion Hadron Therapy) Magazine

December 2015

An article about ARDENT project was published in the ENLIGHT Magazine of December 2015


You can download it here. Get as PDF

Click here to go to The European Network for LIGht ion Hadron Therapy Website


CERN Medical Applications Study Group, Geneva, Switzerland

December 2015

CERN scientist in charge Marco Silari gave a brief overview of ARDENT at the CERN Medical Applications Study Group in December 2015. Due to the limited time available, the talk was mostly focussed on the ARDENT activities at CERN and on the medical applications at the other partner institutes.


You can download Marco Silari's presentation here. Get as PDF


IEEE NSS conference, San Diego, USA

1st - 7thNovember 2015

ARDENT ESR Stuart George (ESR 4) gave a very interesting talk titled “Particle tracking with GEMPIX, a Timepix based triple GEM detector".

Stuart George presenting


You can download Stuart George's presentation here. Get as PDF


IEEE 2015 NPSS Paul Phelps Continuing Education Grant

8thSeptember 2015

Congratulations to ARDENT ESR Stuart George (ESR 4) , who was selected to receive a 2015 IEEE NPSS Paul Phelps Continuing Education Grant. The amount of this grant is up to USD 750.

The purpose of the Phelps Grant is for continuing education so the intent is to use the grant to take a short course at the upcoming IEEE NSS-MIC in San Diego (see the "Conferences"' webpage for more info on the next IEEE Conference).


RAD 2015 Conference

Budva, Montenegro, 8 - 12 June 2015

ARDENT ESR Benedikt Bergmann (ESR 9) participated to the Third International Conference on Radiation and Applications in Various Fields of Research.

You can download Benedikt's presentation "Study of Fast Neutron Interactions in Silicon by Timepix detectors" here: Get as pdf


2015 PTCOG

San Diego, California, 18 - 23 May 2015

ARDENT ESR Michele Togno (ESR 11) participated to the 54th Annual Conference of the Particle Therapy Co-Operative Group. PTCOG is the largest conference on particle therapy worldwide. The Educational Session provided a comprehensive overview of the clinical, physical, technological, and radiobiological fundamentals of particle beam therapy with an emphasis on the latest advances in the field. The Scientific Meeting focused on advances in IMPT and carbon, robustness in treatment planning, quantifying and managing the uncertainty in range and tumor motion, incorporating 3-D imaging with daily delivery, and various other topics.

You can download Michele's poster "Characterization of a High Resolution Air Filled Ion Chamber Array Technology for Proton Therapy QA" here: Get as pdf


ESTRO 2015

Barcelona, 24 - 28 April 2015

ARDENT ESR Michele Togno (ESR 11) participated to the Physics Biennial Meeting which was held at the ESTRO conference. It covered many medical physics domains. Here are some of topics covered: MRI, 4D imaging and delivery, functional imaging, nano-dosimetry, small fields, recent detectors, hypo-fractionation and SBRT, side effects, secondary cancers, uncertainties, high technologies, MC, adaptive treatments.

You can download Michele's presentation "Clinical Evaluation of an Innovative Ionization Chamber Technology for Patent Quality Assurance" here: Get as pdf


Academia-Industry Matching Event / Second Special Workshop on Neutron Detection with MPGDs

CERN, 16 - 17 March 2015

ARDENT ESRs Eleni Aza (ESR 1) and Stuart Patrick George (ESR 4) presented results from their experimental activities at the Second Special Workshop on Neutron Detection with MPGDs.

You can download Eleni's presentation "Profiling of the nTOF beam with the GEM detector" here: Get as pdf



You can download Stuart's presentation "Neutron beam characterization with silicon micropixelated detector" here: Get as pdf


10th International Conference on Radiation Effects on Semiconductor Materials, Detectors and Devices

Florence, Italy, 8 - 10 October 2014

The Conference covers state-of-the-art scientific and technological advances on semiconductor-based radiation detector systems and associated electronics for application in bio-medical, material science, high energy physics and astrophysics fields.

ARDENT ESR Francesca Bisello gave a talk titled " Development of silicon monolithic arrays for dosimetry in external beam radiotherapy" summarizing the status of the collaboration between IBA Dosimetry and University of Florence in the development of detectors solution for quality assurance in external beam radiotherapy. The dosimetric characterization of the detectors with MV photons and protons beam have been presented.

You can download the presentation here: Get as pdf

n_TOF Collaboration Meeting

CERN, 7-8 October 2014

ARDENT ESRs Eleni Aza (ESR 1) and Stuart Patrick George (ESR 4) presented results from their experimental activities at the n_TOF Collaboration Meeting.

You can download Eleni's presentation Beam profile measurements with the GEM detector at the n_TOF EAR1 Beam Dump here: Get as pdf

You can download Stuart's presentation Using Timepix for Neutron Measurements at NTOF here: Get as pdf

WRMISS 2014 Workshop on Radiation Monitoring on the International Space Station

Polish Academy of Arts and Sciences, Kraków, Poland - September 9-11, 2014

Based on the work done at University of Houston, TX, ARDENT ESR 4 Stuart George gave a presentation at WRMISS 2014 titled Mapping the Asymmetry in the SAA Fluxes Using the Medipix Particle by-Particle Directional Information.

You can download Stuart George's presentation here Get as pdf

AAPM Conference

Austin, Texas, USA, 20 - 24 July 2014

The AAPM conference featured the latest research in the physics of medical imaging and radiation therapy, including a major focus on the increasing integration on advanced imaging technologies in the guidance of medical therapeutics.

ARDENT ESR Michele Togno presented the latest results in the characterization of a new ionization chamber technology, which is suitable to build detectors for quality assurance in external beam radiotherapy.

Such a technology would be particularly valuable in association with advanced treatment modalities such as rotational radiotherapy, stereotactic treatments (even with unflattened beam qualities) and proton therapy.

You can download Michele's poster Ionization chamber array with high spatial resolution for external beam radiotherapy here: Get as pdf

NDRA 2014 Summer School on Neutron Detector and Related Applications

Riva del Garda, Italy, June 30 - July 4, 2014

ARDENT ESR Eleni Aza presented a poster at the NDRA 2014 Neutron Summer School, titled Performance of the triple GEM detector for low energy neutrons at the CERF facility.

You can download the poster here: Get as pdf

International Radiation Protection Association (IRPA)

Geneva, Switzerland, 23rd-27th June 2014

ARDENT ESR Erik Fröjdh co-authored a poster Characterization of energy-resolving hybrid pixel detectors with reference beam qualities for medical applications presented at the IRPA 2014 conference in Geneva.

You can download the poster here: Get as pdf

ARDENT ESR Erik Fröjdh presented the latest results on Timepix3 on the International Workshop on Radiation Imaging Detectors (iWoRID). The Timepix3 represents a significant development in hybrid pixel detectors introducing a zero suppressed data driven mode and simultaneous energy and time measurements with a precision down to 1.5ns. The talk outlined the current status of the work with Timepix3 and presented figures for energy resolution, threshold spread and gain dispersion.

You can download the poster First measurements and characterization of a hybrid pixel detector working in event driven mode here: Get as pdf

International Workshop on Position Sensitive Neutron Detectors

Forschungszentrum Jülich, Germany, 2nd-5th June 2014

The Position Sensitive Neutron Detectors (PSND) 2014 workshop was strongly focused on the shortage of He-3 used in active neutron detectors for various applications of radiation protection and high energy physics. Several new technologies based on innovative materials were proposed and the new prototypes developed in different laboratories around the planet were presented. This workshop was a good opportunity to discuss the opportunities as well as challenges of efficient fast neutron detection with world-wide experts currently working in this field. The results from experiments carried out at the CNAO Hadron-therapy facility to characterise the spectrometric capabilities of the CR-39 neutron detector, were presented during this workshop by Alvin Sashala Naik (ESR 13).

You can download the poster In-beam LET Measurements of 1.3 GeV Carbon Ions for the Calibration of a PADC Neutron Track Dosimeter here: Get as pdf

Poster by Chris Cassell of CESNEF - Politecnico di Milano presented a technique for distinguishing photons and neutrons in their detector, a neutron REM counter. It shows how the technique works with a simulation and two experimental campaigns, one at the Paul Scherrer Institut in Switzerland and the other at a hospital in Milan (Instituto Nazionale dei Tumori).

You can download the poster Development of a Novel Time-based Method for Discrimination of Photon and Neutrons in LUPIN REM Counter here: Get as pdf

NIRS meeting

Chiba, Japan, 21st - 22nd April 2014

The purpose of the Annual User Meeting of the National Institute of Radiological Sciences in Chiba, Japan, was to provide an overview of all the research carried out at the Heavy Ion Medical Accelerator in Chiba (HIMAC) for the year 2013. On this poster, the results from the experimental activity performed in July 2013 at HIMAC by the ARDENT ESR Eleni Sagia in collaboration with the Centre for Medical Radiation Physics of the University of Wollongong were included.

You can download the poster "In field and Out of Field Dose Profile from Therapeutic Hadron Therapy Beams at HIMAC Facility" here: Get as pdf

CERN Medipix collaboration meeting

CERN, 19thFebruary 2014

You can download Stuart George's presentation "The GEMPix, a Timepix-based gas detector" here: Get as pdf



You can download Francesca Bisello's presentation "Dosepix Detector as kVp-meter in Radiology and Mammography: First steps" here: Get as pdf



You can download Benedikt Bergmann's presentation "Neutron Time-of-Flight, Proton and Heavy Ion Measurements with a Timepix Detector" here: Get as pdf

9th International Workshop on Ionizing Radiation Monitoring

Oarai, Ibaraki, Japan, 30thNovember - 1th December 2013

Scientist-in-charge Marco Silari was invited to give an overview of the ARDENT project at the 9th International Workshop on Ionizing Radiation Monitoring, organized by Chiyoda Technol Corporation and held in Oarai, Ibaraki, Japan, on 30th November - 1th December 2013.

Group photo of the workshop participants


You can download Marco Silari's presentation here. Get as pdf

IEEE NSS Conference, Seoul, South Korea

27th October - 2nd November 2013

ARDENT ESR 1 Eleni Aza's poster: The Triple GEM detector for relativistic hadron beams

Get as pdf



ARDENT ESR 2 Erik Fröjdh's presentation: Measurements of background scatter radiation in CT scan room using energy resolving hybrid pixel detectors

Get as pdf



ARDENT ESR 3 Silvia Puddu's presentation 1: 55Fe Measurements in radioactive waste with a triple GEM Detector

Get as pdf



ARDENT ESR 3 Silvia Puddu's presentation 2: Neutron Beam Profile Measurements with a Triple GEM for Thermal Neutrons at the CERN n_TOF Facility

Get as pdf



ARDENT ESR 8 Kevin Loo's presentation: BrachyView:Tomographic reconstruction using TimePix in post-implant dosimetry checks for prostate brachytherapy

Get as pdf



ARDENT ESR 10 Francesca Bisello's presentation: Characterization of a new photon counting detector with X-ray fluorecences

Get as pdf



ARDENT ESR 12 Vijayaragavan Viswanathan's presentation: MX-10: Pixel particle detector

Get as pdf



ARDENT ESR 13 Alvin Sashala Naik's presentation: Simulation of neutron dosimetry with CR-39 track detectors and comparison against experimental campaigns

Get as pdf



ARDENT ESR 14 Eleni Sagia's presentation: Study of a Silicon microdosimeter for radiation quality assessment in hadron therapy fields

Get as pdf



ARDENT ESR 15 Christopher Cassell's presentation: A novel neutron gamma discrimination technique for the new LUPIN pulsed neutron detector

Get as pdf



Fabrizio Murtas was invited to the conference and made the following presentation: Development of advanced detectors for radioprotection and radiation dosimetry

Get as pdf



SSD 17, Recife, Brazil

22nd-27th September 2013

Visit the external web site

ARDENT ESR Alvin Sashala Naik presented 2 posters: Characterisation of CR-39 Detectors at the CERF Reference Facility at CERN and Calibration of a Passive REM Counter with Monoenergetic Neutrons

You can download Alvin's posters: Get as pdf



Get as pdf



ARDENT ESR Eleni Sagia presented 1 poster: Response of a silicon telescope microdosimeter to 400MeV per nucleon carbon ions

You can download Eleni's poster: Get as pdf

Heraeus radiation school, Bad Honnef, Germany

11th-23rd August 2013

MX-10: Pixel Particle Detector was presented by ESR Vijayaragavan Viswanathan at the WE-Heraeus radiation protection school to the scientific community who are working radiation field from all around the world.

You can download the poster: Get as pdf

ICPE-EPEC 2013, Prague, Czech Republic

5th-9th August 2013

MX-10: Pixel Particle Detector was presented by ESR Vijayaragavan Viswanathan at the ICPE-EPEC conference which was attended by more than 300 physics teachers from high schools, universities and various educational organizations in Prague.

You can download the poster: Get as pdf

Micro Pattern Gas Detector 2013 Conference, Zaragoza, Spain

3rd July 2013

Applications of MPGD beyond particle and nuclear physics was presented by Fabrizio Murtas at the Micro Pattern Gas Detector 2013 Conference in Zaragoza, Spain.

You can download the presentation Get as PowerPoint Get as pdf

iWoRID, Paris, France

23rd-27th June 2013

The poster Count Rate Linearity and Spectral Response of the Medipix3RX Chip Coupled to a 300um Silicon Sensor Under High Flux Conditions was presented at the 15th International Workshop on Radiation Detectors by ARDENT ESR Erik Fröjdh

You can download the poster: Get as pdf


The posterTime-of-Flight Measurements of Fast Neutron. Interactions in Silicon by Means of Timepix Detectors was presented by ARDENT ESR Benedikt Bergmann

You can download the poster: Get as pdf

BioQuaRT Workshop at NEUDOS 12, Aix-en-Provence, France

7th June 2013

BioQuaRT is a Joint Research Project within the European Metrology Research Programme (EMRP). The workshop was organized as a satellite event of NEUDOS-12 in Aix-en-Provence, France

Highlights from the Advanced Radiation Dosimetry European Network Training initiative (ARDENT) was presented by Marco Silari

Visit the external web site

You can download the presentation Get as pdf

NEUDOS 12 Conference, Aix en Provence, France

3rd -7th June 2013

Instrument Intercomparison in the stray neutron field around CERN proton synchrotron was co-presented at the 12th Neutron Dosimetry Symposium by ESR Eleni Aza.

You can download the presentation Get as PowerPoint Get as pdf


Personal & Environmental Dosimetry with a dosemeter based on CR-39 ssntd in quasi-monoenergetic neutron fields" by Marco Caresana.

You can download the presentation Get as pdf

Mid Term Talk

22nd May 2013

Erik Fröjdh visited his home institute Mid Sweden University to give an overview talk of the Medipix family of chips and highlight some applications. The talk was given as a part of the PhD programme in Sundsvall.

You can download the presentation Get as PowerPoint Get as pdf

Annual Conference of the German Physical Society

4th-8th March 2013

Benedikt Bergmann gave on Thursday 7th March a talk titled: Studies on Activation in the ATLAS cavern with MPX Detectors at the Annual Conference of the German Physical Society

You can download the presentation Get as PowerPoint Get as pdf

Swiss Radiation Protection Expert Course

26th February 2013

ARDENT ESR Erik Fröjdh gave a presentation about Timepix and its use to characterize the field and measure dose in a mixed radiation field.

You can download the presentation Get as PowerPoint Get as pdf

Erlangen Center of Astroparticle Physics (ECAP)

20th December 2012

An overview of the ARDENT project and neutron detection with Timepix devices given at Erlangen Center of Astroparticle Physics (ECAP) by ESR Benedikt Bergmann

You can download the presentation Get as PowerPoint Get as pdf

Mini Micro Nano Dosimetry Conference, Wollongong, Australia

6th December 2012

"A silicon microdosimeter for radiation quality assessment" presented by by ESR Elena Sagia at the Mini Micro Nano Dosimetry Conference in Wollongong.

   Get as PowerPoint Get as pdf

n_TOF Collaboration meeting

29th November 2012

Triple GEM detector at CERN n_TOF facility presented by ESR Silvia Puddu

   Get as pdf

Medipix Meeting

28th November 2012

An overview of the ARDENT project and an introduction of the present ESRs was presented at the Medipix Meeting at CERN.

You can download the presentation Get as PowerPoint Get as pdf

IEEE NSS Conference, Anaheim, California

27th October - 3rd November 2012

Ardent ESR Silvia Puddu presented a talk at the 2012 IEEE NSS Conference with the title: Performance test of triple GEM detector at CERN n_TOF facility

   Get as pdf


Also Ardent ESR Erik Frödh made a presentation describing defects in CdTe detectors investigated using synchrotron radiation and the Timepix chip. The title of the talk was: Probing Defects in a Small Pixellated CdTe Sensor Using an Inclined Mono Energetic X-Ray Micro Beam

   Get as pdf

ARDENT@EURADOS, Vienna, Austria

6th-10th February 2012

ARDENT project has been presented at the EURADOS Annual Meeting that took place at the Vienna International Congress Centre, Austria, on 6-10 February 2012 and was jointly organized by the International Atomic Energy Agency with Seibersdorf Laboratories.

The project was presented at the General Assembly and to the following Working Groups:

  • Working Group 6 on computational dosimetry
  • Working Group 9 on radiation protection dosimetry in medicine
  • Working Group 11 on high energy radiation fields

You can download the presentation Get as PowerPoint Get as pdf