Pulse shape discrimination for GRIT: Beam test of a new integrated charge and current preamplifier coupled with high granularity Silicon detectors

Dormard, J.-J.; Assié, M.; Grassi, L.; Rauly, E.; Beaumel, D.; Brulin, G.; Chabot, M.; Coacolo, J.-L.; Flavigny, F.; Génolini, B.; Hammache, F.; Barkach, T. Id; Rindel, E.; Rosier, P.; Séréville, N. de; Wanlin, E.

doi:10.1016/j.nima.2021.165641

Cited by 6 publications

(4 citation statements)

References 26 publications

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“…Based on the data already obtained at HIγS there is clear need for separation between the light-ions and electrons, in particular in the region of 300 keV to 1 MeV deposited energy. Pulse shape discrimination (PSD) algorithms could extend conventional, previously demonstrated Pulse Shape Analysis for light-ion particle identification [42]. Future PSD developments should improve PSD algorithms for both rise-time and current techniques for electron lightion discrimination in silicon.…”

Section: Challenges and Future With Silicon Detector Arrays And γ-Ray...mentioning

confidence: 99%

Photonuclear reactions with charged particles detection for nuclear astrophysics studies

et al. 2023

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Measurements of (γ, p) and (γ, α) photonuclear reaction cross sections are relevant for several nucleosynthesis scenarios, from the primordial Big Bang, to stellar burning, and the p-process. Studies of photonuclear reaction cross sections marked a steady development in the last 20 years with the advent of mono-energetic γ-ray beam facilities and improved detection methods. Charged-particle detection from photon-induced reactions in solid targets is mainly achieved with silicon-strip detectors, while time projection chambers were developed for measurements with active gas targets. This review tracks the evolution of charged-particle detection methods and highlights recent 7 Li(γ, t) 4 He and 16 O(γ, α) 12 C cross section measurements using mono-energetic γ-ray beams.

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Section: Challenges and Future With Silicon Detector Arrays And γ-Ray...mentioning

confidence: 99%

Photonuclear reactions with charged particles detection for nuclear astrophysics studies

et al. 2023

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“…Possible setups to detect light ejectiles from nucleontransfer reactions are MUGAST [55] or in the future GRIT [56], which is currently under development and in the test phase (see e.g. [57]). Coupling the detection system for heavy ions GRIT [56] to AGATA will allow for the coincident detection of γ rays emitted in-flight.…”

Section: Structure Of the Pygmy Dipole Resonancementioning

confidence: 99%

AGATA: Nuclear structure advancements with high-energy $$\gamma $$ rays

Camera¹,

Isaak²,

Maj³

et al. 2023

Eur. Phys. J. A

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High-energy $$\gamma $$ γ rays are emitted either in the decay of nuclear discrete states (generally located in the proximity of the particle-emission threshold) or in the electromagnetic decay of collective states. The branching ratio is rather small, therefore in alternative/coincidence with high-energy $$\gamma $$ γ rays one could have neutron or charged-particle emission. The precise measurement of these branching ratios allows a more comprehensive description of the nucleus and, in particular, the selection of the nuclear models which better describes the interplay between the different acting forces and couplings. In the case of the electromagnetic decay of collective states, the precise identification of the populated low-lying states allows the measurement of their wave-function and/or of their ‘bulk’ properties. This information provides, also in this case, a stringent test for the nuclear models. In both cases, to compensate these small branching ratio, a large number of detectors and an accurate selection of a small region of the phase space are needed. AGATA is considered to constitute an optimal array for this kind of measurements. In fact, AGATA, because of its high granularity and its excellent energy resolution, can detect the high-energy $$\gamma $$ γ rays emitted in a specific decay path or associated to specific reaction channels, shapes, deformations. In the introduction, some details on the measurement of high-energy $$\gamma $$ γ rays using HPGe detector are discussed. The sections of this paper focus on the measurements of high-energy $$\gamma $$ γ rays to obtain the photon strength function, the nuclear level density and to identify extreme shapes in highly excited nuclei.

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“…The array of detectors consists of a number of stacked (two or three units) double-sided silicon strip detectors (DSSSD), which will provide more than 7000 electronic channels of information. For more details about GRIT, the reader is referred to [ 4 , 5 ]. Most of the success in reaching new knowledge will rely on the detector’s capability for discriminating between the different masses of the impinging particles.…”

Section: Introductionmentioning

confidence: 99%

Test Bench for Highly Segmented GRIT Double-Sided Silicon Strip Detectors: A Detector Quality Control Protocol

Dueñas

Cobo

López

et al. 2023

Sensors

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This work deals with the characteristics of highly segmented double-sided silicon detectors. These are fundamental parts in many new state-of-the-art particle detection systems, and therefore they must perform optimally. We propose a test bench that can handle 256 electronic channels with off-the-shelf equipment, as well as a detector quality control protocol to ensure that the detectors meet the requirements. Detectors with a large number of strips bring new technological challenges and issues that need to be carefully monitored and understood. One of the standard 500 μm thick detectors of the GRIT array was investigated, undergoing studies that revealed its IV curve, charge collection efficiency, and energy resolution. From the data obtained, we calculated, among other things, the depletion voltage (110 V), the resistivity of the bulk material (9 kΩ·cm), and the electronic noise contribution (8 keV). We present, for the first time, a methodology called “the energy triangle’’ to visualize the effect of charge sharing between two adjacent strips and to study the hit distribution with the interstrip-to-strip hit ratio (ISR).

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Pulse shape discrimination for GRIT: Beam test of a new integrated charge and current preamplifier coupled with high granularity Silicon detectors

Cited by 6 publications

References 26 publications

Photonuclear reactions with charged particles detection for nuclear astrophysics studies

Photonuclear reactions with charged particles detection for nuclear astrophysics studies

AGATA: Nuclear structure advancements with high-energy $$\gamma $$ rays

Test Bench for Highly Segmented GRIT Double-Sided Silicon Strip Detectors: A Detector Quality Control Protocol

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