Recoil-proton track imaging as a new way for neutron spectrometry measurements

Hu, Jing; Liu, Jinliang; Zhang, Zhongbing; Chen, Liang; Guo, Yuhang; He, Shiyi; Xu, Mengxuan; Zhou, Leidang; Yao, Zhiming; Yuan, Xingqiu; Zhang, Qingmin; Ouyang, Xiaoping

doi:10.1038/s41598-018-31711-z

Cited by 9 publications

(10 citation statements)

References 25 publications

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“…Proposed RPTI detectors using n-p elastic scattering show clear limits in terms of detection efficiency, complexity, cost, and final implementation. More in detail, reference [1] reports the feasibility study of a n-recoil detector RPTI to be used for neutron spectrometry measurements, combining a gas scintillator (CF 4 ) with a real-time imaging device. The experimental setup was adjusted in a fixed angle scattering geometry by using a CH 2 foil, exhibiting a detection efficiency of 10 −6 -10 −7 %.…”

Section: State-of-the Art In Neutron Trackingmentioning

confidence: 99%

“…plastic scintillator). The recent attempts [1][2][3] to measure neutron momentum by recoil proton track imaging (RPTI) detectors do not feature suitable efficiency for most of the aforementioned research fields. In order to increase the RPTI detection efficiency, even at high neutron energy (E n > 10 MeV), in the proposed novel approach [4] a proton track image produced in a monolithic fast scintillator will be used to reconstruct in space and time the n-p elastic scattering event.…”

Section: Introductionmentioning

confidence: 99%

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“RIPTIDE” — an innovative recoil-proton track imaging detector

Massimi¹,

Musumarra²,

Leone³

et al. 2022

J. Inst.

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Neutron detectors perform key tasks in many research fields as nuclear, particle and astroparticle physics as well as neutron dosimetry, radiotherapy, and radiation protection. Neutron detectors exhibiting tracking capability are still missing, although several approaches to neutron momentum reconstruction have been proposed. In this context, we aim at developing a novel RecoIl-Proton Track Imaging DEtection system “RIPTIDE”, in which the light output of a fast scintillation signal is used to perform a complete reconstruction in space and time of the neutron-proton elastic scattering. The 3D track reconstruction is going to be implemented by state-of-the-art high-sensitivity imaging detector (CMOS, MCP-Timepix). Preliminary Geant4 simulations of the proposed set-up show up a good detection efficiency in a compact active volume. The envisaged electronic readout can be easily adapted according to a specific application (event-by-event mode or integration mode). The system can be rescaled by increasing the detection volume or by combining several detection modules. Further developments of the basic detection technique can be adapted for fast charged particle detection tracking as well.

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Section: State-of-the Art In Neutron Trackingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“RIPTIDE” — an innovative recoil-proton track imaging detector

Massimi¹,

Musumarra²,

Leone³

et al. 2022

J. Inst.

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“…For instance, only a few detector concepts or feasibility studies are present in the literature, e.g. [2][3][4][5][6]. Tracking fast neutrons [7] requires a complete momentum reconstruction of the detected neutrons.…”

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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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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“…These new attempts are based on scintillating detectors or gaseous detectors enriched in hydrogen where a fast neutron can have a 𝑛-𝑝 interaction, therefore it can produce a moving charge in the active detector volume. 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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Recoil-proton track imaging as a new way for neutron spectrometry measurements

Cited by 9 publications

References 25 publications

“RIPTIDE” — an innovative recoil-proton track imaging detector

“RIPTIDE” — an innovative recoil-proton track imaging detector

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

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

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