CHICOX, a heavy-ion detection system for GRETA

D. Rhodes; C.Y. Wu; J. Henderson; J. Heery; B. Longfellow; C. Müller-Gatermann; R. Russell; G. Willmott

doi:10.1016/j.nima.2026.171563

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CHICOX, a heavy-ion detection system for GRETA

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CHICOX, a heavy-ion detection system for GRETA

D. Rhodes, C.Y. Wu, J. Henderson, J. Heery, B. Longfellow, C. Müller-Gatermann, R. Russell and G. Willmott

Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, Vol.1089, p.171563

04/2026

DOI: https://doi.org/10.1016/j.nima.2026.171563

Abstract

Position-sensitive PPACs

Charged-particle detection

In-beam nuclear spectroscopy

The CHICOX detection system is an array of position sensitive parallel plate avalanche counters used for heavy ion detection in in-beam particle-gamma coincidence experiments. CHICOX, an upgrade of the CHICO2 array, is geometrically compatible with the GRETINA and GRETA gamma-ray arrays and provides an angular resolution sufficient to utilize the excellent position resolution of GRETINA/GRETA. CHICOX was successfully commissioned and fielded as an auxiliary detector to GRETINA in a campaign of stable-beam Coulomb excitation experiments at the ATLAS facility of Argonne National Laboratory. We report here on the design and in-beam performance of the CHICOX array.

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Title: CHICOX, a heavy-ion detection system for GRETA
Creators: D. Rhodes
C.Y. Wu
J. Henderson
J. Heery
B. Longfellow
C. Müller-Gatermann
R. Russell
G. Willmott
Publication Details: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, Vol.1089, p.171563
Publisher: ELSEVIER; AMSTERDAM
Number of pages: 8
Publication Date: 04/2026
Grant note: US Department of Energy by Lawrence Livermore National Laboratory: DE-AC52-07NA27344 Argonne National Laboratory: DE-AC02-06CH11357 US Department of Energy, Office of Science, Office of Nuclear Physics: MR/T022264/1, MR/Y034007/1 UKRI Future Leaders Fellowship: MR/T022264/1, MR/Y034007/1 Science and Technologies Facilities Council (STFC)
The authors express deep gratitude towards Wolfram Korten for making the 232Th data set available for this work. We thank Marco Siciliano and Nirupama Sensharma for their operation of the GRETINA array, and we thank Argonne staff for their operation of the AT-LAS facility. This work was performed under the auspices of the US Department of Energy by Lawrence Livermore National Laboratory under contract No. DE-AC52-07NA27344, Argonne National Laboratory under contract No. DE-AC02-06CH11357, and by the US Department of Energy, Office of Science, Office of Nuclear Physics. This research used resources of Argonne National Laboratory's ATLAS facility, which is a DOE Office of Science User Facility. Work at the University of Surrey was supported under UKRI Future Leaders Fellowship grant No. MR/T022264/1 and MR/Y034007/1, and by the Science and Technologies Facilities Council (STFC) .
Identifiers: 991120483002346; WOS:001748300300001
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article

CHICOX, a heavy-ion detection system for GRETA

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