CAESAR-A high-efficiency CsI(Na) scintillator array for in-beam gamma ray spectroscopy with fast rare-isotope beams

D. Weisshaar; A. Gade; T. Glasmacher; G.F. Grinyer; D. Bazin; P. Adrich; T. Baugher; J.M. Cook; C.A. Diget; S. McDaniel; A. Ratkiewicz; K.P. Siwek; K.A. Walsh

doi:10.1016/j.nima.2010.09.148

CAESAR-A high-efficiency CsI(Na) scintillator array for in-beam gamma ray spectroscopy with fast rare-isotope beams

D. Weisshaar, A. Gade, T. Glasmacher, G.F. Grinyer, D. Bazin, P. Adrich, T. Baugher, J.M. Cook, C.A. Diget, S. McDaniel, A. Ratkiewicz, K.P. Siwek, K.A. Walsh

Physics

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Abstract

We report on the construction and commissioning of the high-efficiency CAESium-iodide scintillator ARray CAESAR, a device designed for in-beam γray spectroscopy experiments utilizing fast beams of rare isotopes at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University (MSU). CAESAR consists of 192 CsI(Na) crystals, totaling 290 kg of active scintillator material. For 1 MeV γ rays, a full-energy-peak efficiency of 35% is achieved at an in-beam energy resolution of better than 10% FWHM after event-by-event Doppler reconstruction of the γ rays emitted by nuclei moving with velocities of v/c∼0.30.4. The spectral quality of the array allows for the identification of γray transitions with intensities of several 10 counts in the full-energy peak and thus opens new avenues for the study of the most exotic nuclei available at the NSCL for in-beam spectroscopy.

Original language	English
Pages (from-to)	615-623
Number of pages	9
Journal	Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment
Volume	624
Issue number	3
DOIs	https://doi.org/10.1016/j.nima.2010.09.148
Publication status	Published - 21 Dec 2010

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Weisshaar, D., Gade, A., Glasmacher, T., Grinyer, G. F., Bazin, D., Adrich, P., Baugher, T., Cook, J. M., Diget, C. A., McDaniel, S., Ratkiewicz, A., Siwek, K. P., & Walsh, K. A. (2010). CAESAR-A high-efficiency CsI(Na) scintillator array for in-beam gamma ray spectroscopy with fast rare-isotope beams. Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment, 624(3), 615-623. https://doi.org/10.1016/j.nima.2010.09.148

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title = "CAESAR-A high-efficiency CsI(Na) scintillator array for in-beam gamma ray spectroscopy with fast rare-isotope beams",

abstract = "We report on the construction and commissioning of the high-efficiency CAESium-iodide scintillator ARray CAESAR, a device designed for in-beam γray spectroscopy experiments utilizing fast beams of rare isotopes at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University (MSU). CAESAR consists of 192 CsI(Na) crystals, totaling 290 kg of active scintillator material. For 1 MeV γ rays, a full-energy-peak efficiency of 35% is achieved at an in-beam energy resolution of better than 10% FWHM after event-by-event Doppler reconstruction of the γ rays emitted by nuclei moving with velocities of v/c∼0.30.4. The spectral quality of the array allows for the identification of γray transitions with intensities of several 10 counts in the full-energy peak and thus opens new avenues for the study of the most exotic nuclei available at the NSCL for in-beam spectroscopy.",

author = "D. Weisshaar and A. Gade and T. Glasmacher and G.F. Grinyer and D. Bazin and P. Adrich and T. Baugher and J.M. Cook and C.A. Diget and S. McDaniel and A. Ratkiewicz and K.P. Siwek and K.A. Walsh",

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Weisshaar, D, Gade, A, Glasmacher, T, Grinyer, GF, Bazin, D, Adrich, P, Baugher, T, Cook, JM, Diget, CA, McDaniel, S, Ratkiewicz, A, Siwek, KP & Walsh, KA 2010, 'CAESAR-A high-efficiency CsI(Na) scintillator array for in-beam gamma ray spectroscopy with fast rare-isotope beams', Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment, vol. 624, no. 3, pp. 615-623. https://doi.org/10.1016/j.nima.2010.09.148

CAESAR-A high-efficiency CsI(Na) scintillator array for in-beam gamma ray spectroscopy with fast rare-isotope beams. / Weisshaar, D.; Gade, A.; Glasmacher, T. et al.
In: Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment, Vol. 624, No. 3, 21.12.2010, p. 615-623.

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

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AU - Weisshaar, D.

AU - Gade, A.

AU - Glasmacher, T.

AU - Grinyer, G.F.

AU - Bazin, D.

AU - Adrich, P.

AU - Baugher, T.

AU - Cook, J.M.

AU - Diget, C.A.

AU - McDaniel, S.

AU - Ratkiewicz, A.

AU - Siwek, K.P.

AU - Walsh, K.A.

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N2 - We report on the construction and commissioning of the high-efficiency CAESium-iodide scintillator ARray CAESAR, a device designed for in-beam γray spectroscopy experiments utilizing fast beams of rare isotopes at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University (MSU). CAESAR consists of 192 CsI(Na) crystals, totaling 290 kg of active scintillator material. For 1 MeV γ rays, a full-energy-peak efficiency of 35% is achieved at an in-beam energy resolution of better than 10% FWHM after event-by-event Doppler reconstruction of the γ rays emitted by nuclei moving with velocities of v/c∼0.30.4. The spectral quality of the array allows for the identification of γray transitions with intensities of several 10 counts in the full-energy peak and thus opens new avenues for the study of the most exotic nuclei available at the NSCL for in-beam spectroscopy.

AB - We report on the construction and commissioning of the high-efficiency CAESium-iodide scintillator ARray CAESAR, a device designed for in-beam γray spectroscopy experiments utilizing fast beams of rare isotopes at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University (MSU). CAESAR consists of 192 CsI(Na) crystals, totaling 290 kg of active scintillator material. For 1 MeV γ rays, a full-energy-peak efficiency of 35% is achieved at an in-beam energy resolution of better than 10% FWHM after event-by-event Doppler reconstruction of the γ rays emitted by nuclei moving with velocities of v/c∼0.30.4. The spectral quality of the array allows for the identification of γray transitions with intensities of several 10 counts in the full-energy peak and thus opens new avenues for the study of the most exotic nuclei available at the NSCL for in-beam spectroscopy.

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JF - Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment

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Weisshaar D, Gade A, Glasmacher T, Grinyer GF, Bazin D, Adrich P et al. CAESAR-A high-efficiency CsI(Na) scintillator array for in-beam gamma ray spectroscopy with fast rare-isotope beams. Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment. 2010 Dec 21;624(3):615-623. doi: 10.1016/j.nima.2010.09.148

CAESAR-A high-efficiency CsI(Na) scintillator array for in-beam gamma ray spectroscopy with fast rare-isotope beams

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