RIPTIDE: a novel recoil-proton track imaging detector for fast neutrons

Musumarra, A.; Leone, F.; Massimi, C.; Romano, F.; Spighi, R.

doi:10.1088/1748-0221/16/12/c12013

Cited by 7 publications

(11 citation statements)

References 19 publications

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“…Both cases are of interest for Riptide, as sketched in previous publications [11][12][13]. The Riptide detector concept consists of a cubic (216 cm 3 ) plastic scintillator (BC-408/EJ-200 [15]) surrounded by two (or more) optical systems of lenses focusing the proton tracks into CMOS cameras.…”

Section: Proton Recoil Technique and Neutron Tracking In Riptidementioning

confidence: 99%

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Riptide: a proton-recoil track imaging detector for fast neutrons

Pisanti,

Berardi,

Console Camprini

et al. 2024

J. Inst.

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Riptide is a detector concept aiming to track fast neutrons. It is based on neutron-proton elastic collisions inside a plastic scintillator, where the neutron momentum can be measured by imaging the scintillation light. More specifically, by stereoscopically imaging the recoil proton tracks, the proposed apparatus provides neutron spectrometry capability and enable the online analysis of the specific energy loss along the track. In principle, the spatial and topological event reconstruction enables particle discrimination, which is a crucial property for neutron detectors. In this contribution, we report the advances on the Riptide detector concept. In particular, we have developed a Geant4 optical simulation to demonstrate the possibility of reconstructing with sufficient precision the tracks and the vertices of neutron interactions inside a plastic scintillator. To realistically model the optics of the scintillation detector, mono-energetic protons were generated inside a 6 × 6 × 6 cm3 cubic BC-408 scintillator, and the produced optical photons were propagated and then recorded on a scoring plane corresponding to the surfaces of the cube. The photons were then transported through an optical system to a 2 × 2 cm2 photo sensitive area with 1 Megapixel. Moreover, we have developed two different analysis procedures to reconstruct 3D tracks: one based on data fitting and one on Principal Component Analysis. The main results of this study will be presented with a particular focus on the role of the optical system and the attainable spatial and energy resolution.

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Section: Proton Recoil Technique and Neutron Tracking In Riptidementioning

confidence: 99%

“…With the aim of addressing the challenge, a few years ago we proposed a novel detector concept named RIPTIDE (RecoIl Proton Track Imaging DEtector) [11][12][13]. It consists of a monolithic plastic scintillator coupled to CMOS imaging devices.…”

Section: Introductionmentioning

confidence: 99%

Riptide: a proton-recoil track imaging detector for fast neutrons

Pisanti,

Berardi,

Console Camprini

et al. 2024

J. Inst.

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“…Using e 1 and e 2 from the vertex A, B and C, and Q 1 and Q 2 from the momentum conservation, we can derive the inform in Eq. 6. Using e 1 from the vertex A and B, Q 1 from the momentum conservation, and the time τ 1 in PTRAC output, we can derive the information in Eq.…”

Section: Mcnp Simulationsmentioning

confidence: 99%

Efficiency Studies of Fast Neutron Tracking using MCNP

Chu,

James,

Wang

2022

Preprint

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Fast neutron identification and spectroscopy is of great interest to nuclear physics experiments. Using the neutron elastic scattering, the fast neutron momentum can be measured. Ref. [1] introduced the theoretical concept that the initial fast neutron momentum can be derived from up to three consecutive elastic collisions between the neutron and the target, including the information of two consecutive recoil ion tracks and the vertex position of the third collision or two consecutive elastic collisions with the timing information. Here we also include the additional possibility of measuring the deposited energies from the recoil ions. In this paper, we simulate the neutron elastic scattering using the Monte Carlo N-Particle Transport Code (MCNP) and study the corresponding neutron detection and tracking efficiency. The corresponding efficiency and the scattering distances are simulated with different target materials, especially natural silicon (92.23% 28 Si, 4.67% 29 Si, and 3.1% 30 Si) and helium-4 ( 4 He). The timing of collision and the recoil ion energy are also investigated, which are important characters for the detector design. We also calculate the ion travelling range for different energies using the software, "The Stopping and Range of Ions in Matter (SRIM)", showing that the ion track can be most conveniently observed in 4 He unless sub-micron spatial resolution can be obtained in silicon.

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“…The proposed detectors [3][4][5][6] suffer in general from low efficiencies or the capability to determine only a single 𝑛-𝑝 interaction, thus limiting strongly their tracking capability. Here we present a novel design [7,8] of a neutron tracking detector, called RIPTIDE (RecoIl Proton Track Imaging DEtector) that overcomes both limitations.…”

Section: Introductionmentioning

confidence: 99%

A proton-recoil track imaging system for fast neutrons: the RIPTIDE detector

Camprini¹,

Leone²,

Massimi³

et al. 2022

Preprint

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A: Fast neutron detection is often based on the neutron-proton elastic scattering reaction: the ionization caused by recoil protons in a hydrogenous material constitutes the basic information for the design and development of a class of neutron detectors. Although experimental techniques have continuously improved, proton-recoil track imaging remains still at the frontier of n-detection systems, due to the high photon sensitivity required. Several state-of-the-art approaches for neutron tracking by using n-p single and double scattering -referred to as Recoil Proton Track Imaging (RPTI) -can be found in the literature. So far, they have showed limits in terms of detection efficiency, complexity, cost, and implementation. In order to address some of these deficiencies, we have proposed RIPTIDE a novel recoil-proton track imaging detector in which the light output produced by a fast scintillator is used to perform a complete reconstruction in space and time of the interaction events. The proposed idea is viable thanks to the dramatic advances in low noise and single photon counting achieved in the last decade by new scientific CMOS cameras as well as pixel sensors, like Timepix or MIMOSIS. In this contribution, we report the advances on the RIPTIDE concept: Geant4 Monte Carlo simulations, light collection tests as well as state-of-the-art approach to image readout, processing and fast analysis.

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RIPTIDE: a novel recoil-proton track imaging detector for fast neutrons

Cited by 7 publications

References 19 publications

Riptide: a proton-recoil track imaging detector for fast neutrons

Riptide: a proton-recoil track imaging detector for fast neutrons

Efficiency Studies of Fast Neutron Tracking using MCNP

A proton-recoil track imaging system for fast neutrons: the RIPTIDE detector

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