RoSiB - a 4 pi silicon ball for charged-particle detection in EUROBALL

G Pausch; H Prade; M Sobiella; H Schnare; R Schwengner; L Kaubler; C Borcan; HG Ortlepp; U Oehmichen; H Grawe; R Schubart; J Gerl; Joakim Cederkäll; A Johnson; A Kerek; W Klamra; M Moszynski; D Wolski; M Kapusta; A Axelsson; M Weiszflog; T Hartlein; D Pansegrau; G de Angelis; S Ashrafi; A Likar; M Lipoglavsek

doi:10.1016/S0168-9002(99)01090-6

RoSiB - a 4 pi silicon ball for charged-particle detection in EUROBALL

G Pausch, H Prade, M Sobiella, H Schnare, R Schwengner, L Kaubler, C Borcan, HG Ortlepp, U Oehmichen, H Grawe, R Schubart, J Gerl, Joakim Cederkäll, A Johnson, A Kerek, W Klamra, M Moszynski, D Wolski, M Kapusta, A AxelssonM Weiszflog, T Hartlein, D Pansegrau, G de Angelis, S Ashrafi, A Likar, M Lipoglavsek

External Organization - Unknown

Research output: Contribution to journal › Article › peer-review

Abstract

A 4 pi silicon bail for detection and identification of light charged particles in large multidetector gamma-arrays as EUROBALL is presented. The design is based on a N = 42 ball with 12 pentagons and 30 hexagons as used in the GASP array. The absorptive material for gamma-rays is minimized to the detector thickness of 300 or 500 mu m and a 0.63 mm ceramic backing. The geometrical coverage is designed for about 90% of 4 pi. A pulse shape discrimination method with totally depleted detectors working in the reverse mount allows identifying protons and alpha-particles above an energy threshold of about 2 MeV. The performances of the ball were rested at the tandem - booster accelerator combination of the MPI Heidelberg in two experiments using the high-recoil reaction of 228 MeV Ni-58 + Ti-46 and the low-recoil reaction of 95 MeV O-16 + Ni-58. The two-dimensional spectra of zero-crossing (ZC) versus energy confirmed an excellent discrimination of protons and alpha-particles in all the detectors at different angles. The energy spectra of protons and alpha-particles measured in the experiments are presented. too. The gamma-spectra measured in coincidence with various combinations of emitted particles showed a high selectivity of the ball. The reduced total efficiency for protons of 59% and 55% and alpha-particles of 44% and 32% measured in a nuclear spectroscopy application is analyzed in a Monte-Carlo simulation (GEANT). It is due to a combined influence of a thick target needed to stop the recoiling residual nuclei and thick absorbers needed to protect the Si-detectors from scattered beam. The results along with the GEANT extrapolation to optimum experimental conditions confirm that RoSiB is a highly efficient and selective device for identification of rare reaction channels with heavy ions. (C) 2000 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	304-318
Journal	Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
Volume	443
Issue number	2-3
DOIs	https://doi.org/10.1016/S0168-9002(99)01090-6
Publication status	Published - 2000
Externally published	Yes

Subject classification (UKÄ)

Accelerator Physics and Instrumentation

Free keywords

EUROBALL Si-ball
charged particle detection
pulse shape discrimination
with Si-detectors

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10.1016/S0168-9002(99)01090-6

Cite this

Pausch, G., Prade, H., Sobiella, M., Schnare, H., Schwengner, R., Kaubler, L., Borcan, C., Ortlepp, HG., Oehmichen, U., Grawe, H., Schubart, R., Gerl, J., Cederkäll, J., Johnson, A., Kerek, A., Klamra, W., Moszynski, M., Wolski, D., Kapusta, M., ... Lipoglavsek, M. (2000). RoSiB - a 4 pi silicon ball for charged-particle detection in EUROBALL. Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 443(2-3), 304-318. https://doi.org/10.1016/S0168-9002(99)01090-6

@article{69e4e730182c4c4fbb0859f658a56ee7,

title = "RoSiB - a 4 pi silicon ball for charged-particle detection in EUROBALL",

abstract = "A 4 pi silicon bail for detection and identification of light charged particles in large multidetector gamma-arrays as EUROBALL is presented. The design is based on a N = 42 ball with 12 pentagons and 30 hexagons as used in the GASP array. The absorptive material for gamma-rays is minimized to the detector thickness of 300 or 500 mu m and a 0.63 mm ceramic backing. The geometrical coverage is designed for about 90% of 4 pi. A pulse shape discrimination method with totally depleted detectors working in the reverse mount allows identifying protons and alpha-particles above an energy threshold of about 2 MeV. The performances of the ball were rested at the tandem - booster accelerator combination of the MPI Heidelberg in two experiments using the high-recoil reaction of 228 MeV Ni-58 + Ti-46 and the low-recoil reaction of 95 MeV O-16 + Ni-58. The two-dimensional spectra of zero-crossing (ZC) versus energy confirmed an excellent discrimination of protons and alpha-particles in all the detectors at different angles. The energy spectra of protons and alpha-particles measured in the experiments are presented. too. The gamma-spectra measured in coincidence with various combinations of emitted particles showed a high selectivity of the ball. The reduced total efficiency for protons of 59% and 55% and alpha-particles of 44% and 32% measured in a nuclear spectroscopy application is analyzed in a Monte-Carlo simulation (GEANT). It is due to a combined influence of a thick target needed to stop the recoiling residual nuclei and thick absorbers needed to protect the Si-detectors from scattered beam. The results along with the GEANT extrapolation to optimum experimental conditions confirm that RoSiB is a highly efficient and selective device for identification of rare reaction channels with heavy ions. (C) 2000 Elsevier Science B.V. All rights reserved.",

keywords = "EUROBALL Si-ball, charged particle detection, pulse shape discrimination, with Si-detectors",

author = "G Pausch and H Prade and M Sobiella and H Schnare and R Schwengner and L Kaubler and C Borcan and HG Ortlepp and U Oehmichen and H Grawe and R Schubart and J Gerl and Joakim Cederk{\"a}ll and A Johnson and A Kerek and W Klamra and M Moszynski and D Wolski and M Kapusta and A Axelsson and M Weiszflog and T Hartlein and D Pansegrau and {de Angelis}, G and S Ashrafi and A Likar and M Lipoglavsek",

year = "2000",

doi = "10.1016/S0168-9002(99)01090-6",

language = "English",

volume = "443",

pages = "304--318",

journal = "Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment",

issn = "0167-5087",

publisher = "Elsevier",

number = "2-3",

}

Pausch, G, Prade, H, Sobiella, M, Schnare, H, Schwengner, R, Kaubler, L, Borcan, C, Ortlepp, HG, Oehmichen, U, Grawe, H, Schubart, R, Gerl, J, Cederkäll, J, Johnson, A, Kerek, A, Klamra, W, Moszynski, M, Wolski, D, Kapusta, M, Axelsson, A, Weiszflog, M, Hartlein, T, Pansegrau, D, de Angelis, G, Ashrafi, S, Likar, A & Lipoglavsek, M 2000, 'RoSiB - a 4 pi silicon ball for charged-particle detection in EUROBALL', Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, vol. 443, no. 2-3, pp. 304-318. https://doi.org/10.1016/S0168-9002(99)01090-6

TY - JOUR

T1 - RoSiB - a 4 pi silicon ball for charged-particle detection in EUROBALL

AU - Pausch, G

AU - Prade, H

AU - Sobiella, M

AU - Schnare, H

AU - Schwengner, R

AU - Kaubler, L

AU - Borcan, C

AU - Ortlepp, HG

AU - Oehmichen, U

AU - Grawe, H

AU - Schubart, R

AU - Gerl, J

AU - Cederkäll, Joakim

AU - Johnson, A

AU - Kerek, A

AU - Klamra, W

AU - Moszynski, M

AU - Wolski, D

AU - Kapusta, M

AU - Axelsson, A

AU - Weiszflog, M

AU - Hartlein, T

AU - Pansegrau, D

AU - de Angelis, G

AU - Ashrafi, S

AU - Likar, A

AU - Lipoglavsek, M

PY - 2000

Y1 - 2000

N2 - A 4 pi silicon bail for detection and identification of light charged particles in large multidetector gamma-arrays as EUROBALL is presented. The design is based on a N = 42 ball with 12 pentagons and 30 hexagons as used in the GASP array. The absorptive material for gamma-rays is minimized to the detector thickness of 300 or 500 mu m and a 0.63 mm ceramic backing. The geometrical coverage is designed for about 90% of 4 pi. A pulse shape discrimination method with totally depleted detectors working in the reverse mount allows identifying protons and alpha-particles above an energy threshold of about 2 MeV. The performances of the ball were rested at the tandem - booster accelerator combination of the MPI Heidelberg in two experiments using the high-recoil reaction of 228 MeV Ni-58 + Ti-46 and the low-recoil reaction of 95 MeV O-16 + Ni-58. The two-dimensional spectra of zero-crossing (ZC) versus energy confirmed an excellent discrimination of protons and alpha-particles in all the detectors at different angles. The energy spectra of protons and alpha-particles measured in the experiments are presented. too. The gamma-spectra measured in coincidence with various combinations of emitted particles showed a high selectivity of the ball. The reduced total efficiency for protons of 59% and 55% and alpha-particles of 44% and 32% measured in a nuclear spectroscopy application is analyzed in a Monte-Carlo simulation (GEANT). It is due to a combined influence of a thick target needed to stop the recoiling residual nuclei and thick absorbers needed to protect the Si-detectors from scattered beam. The results along with the GEANT extrapolation to optimum experimental conditions confirm that RoSiB is a highly efficient and selective device for identification of rare reaction channels with heavy ions. (C) 2000 Elsevier Science B.V. All rights reserved.

AB - A 4 pi silicon bail for detection and identification of light charged particles in large multidetector gamma-arrays as EUROBALL is presented. The design is based on a N = 42 ball with 12 pentagons and 30 hexagons as used in the GASP array. The absorptive material for gamma-rays is minimized to the detector thickness of 300 or 500 mu m and a 0.63 mm ceramic backing. The geometrical coverage is designed for about 90% of 4 pi. A pulse shape discrimination method with totally depleted detectors working in the reverse mount allows identifying protons and alpha-particles above an energy threshold of about 2 MeV. The performances of the ball were rested at the tandem - booster accelerator combination of the MPI Heidelberg in two experiments using the high-recoil reaction of 228 MeV Ni-58 + Ti-46 and the low-recoil reaction of 95 MeV O-16 + Ni-58. The two-dimensional spectra of zero-crossing (ZC) versus energy confirmed an excellent discrimination of protons and alpha-particles in all the detectors at different angles. The energy spectra of protons and alpha-particles measured in the experiments are presented. too. The gamma-spectra measured in coincidence with various combinations of emitted particles showed a high selectivity of the ball. The reduced total efficiency for protons of 59% and 55% and alpha-particles of 44% and 32% measured in a nuclear spectroscopy application is analyzed in a Monte-Carlo simulation (GEANT). It is due to a combined influence of a thick target needed to stop the recoiling residual nuclei and thick absorbers needed to protect the Si-detectors from scattered beam. The results along with the GEANT extrapolation to optimum experimental conditions confirm that RoSiB is a highly efficient and selective device for identification of rare reaction channels with heavy ions. (C) 2000 Elsevier Science B.V. All rights reserved.

KW - EUROBALL Si-ball

KW - charged particle detection

KW - pulse shape discrimination

KW - with Si-detectors

U2 - 10.1016/S0168-9002(99)01090-6

DO - 10.1016/S0168-9002(99)01090-6

M3 - Article

SN - 0167-5087

VL - 443

SP - 304

EP - 318

JO - Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment

JF - Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment

IS - 2-3

ER -

RoSiB - a 4 pi silicon ball for charged-particle detection in EUROBALL

Abstract

Subject classification (UKÄ)

Free keywords

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