Benchmark Between Measured and Simulated Radiation Level Data at the Mixed-Field CHARM Facility at CERN

Prelipcean, Daniel; Lerner, G.; Alía, Rubén García; Biłko, Kacper; Infantino, Angelo; Francesca, Diego Di; Trummer, J.; Ricci, Daniel; Brucoli, M.; Danzeca, Salvatore

doi:10.1109/tns.2022.3169756

Cited by 9 publications

(5 citation statements)

References 37 publications

(39 reference statements)

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“…The operation of particle accelerators at CERN generates a mixed radiation field that contains different types of particles with broad energy ranges [19]. The composition of the radiation field varies significantly depending on the accelerator under exam, on the position within the accelerator, and on the amount of shielding between the radiation source and the location of interest.…”

Section: The Lhc Mixed Radiation Fieldmentioning

confidence: 99%

“…In Section 2, the discussion begins by presenting the key features of the radiation environment in the tunnel of the Large Hadron Collider (LHC) [15], simulated using the FLUKA Monte Carlo code [16][17][18], CERN distributed, version 4.3.3. The radiation field includes different kinds of particles with broad energy spectra, all originating from the loss of TeV-scale beam particles or secondary collision products [19]. After this, a detailed description of the Timepix3 Radiation Monitor is presented in Section 3, starting from the hardware setup and the Timepix detection principle based on the measurement of the time-over-threshold (ToT) and time-of-arrival (ToA).…”

Section: Introductionmentioning

confidence: 99%

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Towards a Timepix3 Radiation Monitor for the Accelerator Mixed Radiation Field: Characterisation with Protons and Alphas from 0.6 MeV to 5.6 MeV

Prelipcean,

Lerner,

Slipukhin

et al. 2024

Applied Sciences

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A Timepix3 detector with a 300 μm silicon sensor has been studied as a novel radiation monitor for the mixed radiation field at the Large Hadron Collider at CERN. This work describes a test campaign carried out at Centro Nacional de Aceleradores with quasi-mono energetic protons (alphas) from 0.6 (1) to 5 (5.6) MeV, where orthogonal irradiations are used to obtain an energy calibration, and a low-energy angular scan to estimate the front dead layer thickness of the sensor. The detector is operated in hole collection mode and at a partial bias of 250 μm at 50 V, which increases the charge sharing among pixels to mitigate the signal saturation at high energy depositions. The data, supported by FLUKA Monte Carlo simulations of energy losses in the sensor, show that the Timepix3 monitor operates in a linear regime up to energy depositions of around 600 keV per pixel and 2 MeV per cluster. As a result, the detector has been found to be suitable for measuring charged particle fluxes in the LHC mixed radiation field within the linear calibration regime, with the partial exception of inelastic nuclear reaction hits (mostly from neutrons).

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Section: The Lhc Mixed Radiation Fieldmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Towards a Timepix3 Radiation Monitor for the Accelerator Mixed Radiation Field: Characterisation with Protons and Alphas from 0.6 MeV to 5.6 MeV

Prelipcean,

Lerner,

Slipukhin

et al. 2024

Applied Sciences

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“…Schematic top view drawing of the CHARM facility with the highlighted detector testing positions: m5, m6, and G0. Adapted from: [12]. target (the most frequently Cu).…”

Section: A Charm Facilitymentioning

confidence: 99%

“…In addition to system-level irradiation tests, the CHARM facility is used as a validation for dosimeters and radiation monitors intended for the accelerator's mixed-field monitoring, for example for Distributed Optical Fibre Radiation Sensor (DOFRS) [6] or RadMONs [7], [8]. The facility provides multiple instruments for radiation monitoring, together with the validated simulations in the FLUKA Monte Carlo code [9]- [12]. This work extends the previous studies that demonstrated the use of a 300 µm PIPS silicon detector for heavy-ion beams characterisation [13]- [15], to a characterisation of the CHARM's mixed-field.…”

Section: Introductionmentioning

confidence: 99%

Mixed-Field Radiation Monitoring and Beam Characterization Through Silicon Diode Detectors

Biłko,

Alía,

Barbero

et al. 2024

IEEE Trans. Nucl. Sci.

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We present a calibration of a commercial silicon diode with proton and alpha beams and gamma rays. The diode together with a fast acquisition chain, can be exploited for both direct and indirect (through the secondary radiation field) beam characterization. Within this work, we demonstrate the detector capabilities of resolving single energy deposition events and independently measuring dose rate and beam flux. Profiting from the mixed radiation field in CERN's CHARM facility we show how the silicon detector can be exploited to characterize the mixed radiation field present in it, which in turn is used for validating the radiation tolerance of components and systems to be installed in the CERN accelerator complex.

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“…component level testing fluxes typically need to reach ∼10 8 p/cm 2 /s in some cases, combined SEE/cumulative damage is desirable -System level tests performed in mixed-field facilities [40], in order to account for both stochastic and cumulative damage…”

Section: Environment and Application Key See Testing Requirementsmentioning

confidence: 99%

Heavy Ion Energy Deposition and SEE Intercomparison Within the RADNEXT Irradiation Facility Network

Alía

Coronetti

Biłko

et al. 2023

IEEE Trans. Nucl. Sci.

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RADNEXT is an EU-funded network of irradiation facilities and radiation effects experts aimed at increasing the quantity and quality of user access to accelerator infrastructure, and improving the diversity and harmonization across facilities. Along with the beam provision to worldwide radiation effects users, RADNEXT has an ambitious research program oriented at improving radiation effects testing, of which an example of a heavy ion facility inter-comparison at very different energy regimes is included in this work. In particular, energy deposition distributions in a silicon solid-state detector and the Single Event Upset (SEU) and Multiple Cell Upset (MCU) behaviour are compared amongst heavy ion beams of similar LET, but very different energies (i.e., from the more classical ∼10 MeV/u regime up to several hundreds of MeV/u).

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Benchmark Between Measured and Simulated Radiation Level Data at the Mixed-Field CHARM Facility at CERN

Cited by 9 publications

References 37 publications

Towards a Timepix3 Radiation Monitor for the Accelerator Mixed Radiation Field: Characterisation with Protons and Alphas from 0.6 MeV to 5.6 MeV

Towards a Timepix3 Radiation Monitor for the Accelerator Mixed Radiation Field: Characterisation with Protons and Alphas from 0.6 MeV to 5.6 MeV

Mixed-Field Radiation Monitoring and Beam Characterization Through Silicon Diode Detectors

Heavy Ion Energy Deposition and SEE Intercomparison Within the RADNEXT Irradiation Facility Network

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