The TITAN in-trap decay spectroscopy facility at TRIUMF

K. G. Leach; A. Grossheim; A. Lennarz; T. Brunner; J. R. Crespo López-Urrutia; A. T. Gallant; M. Good; R. Klawitter; A. A. Kwiatkowski; T. Ma; T. D. Macdonald; S. Seeraji; M. C. Simon; C. Andreoiu; J. Dilling; D. Frekers

doi:10.1016/j.nima.2014.12.118

The TITAN in-trap decay spectroscopy facility at TRIUMF

K. G. Leach, A. Grossheim, A. Lennarz, T. Brunner, J. R. Crespo López-Urrutia, A. T. Gallant, M. Good, R. Klawitter, A. A. Kwiatkowski, T. Ma, T. D. Macdonald, S. Seeraji, M. C. Simon, C. Andreoiu, J. Dilling, D. Frekers

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Abstract

This paper presents an upgraded in-trap decay spectroscopy apparatus which has been developed and constructed for use with TRIUMFs Ion Trap for Atomic and Nuclear science (TITAN). This device consists of an open-access electron-beam ion-trap (EBIT), which is surrounded radially by seven low-energy planar Si(Li) detectors. The environment of the EBIT allows for the detection of low-energy photons by providing backing-free storage of the radioactive ions, while guiding charged decay particles away from the trap centre via the strong (up to 6 T) magnetic field. In addition to excellent ion confinement and storage, the EBIT also provides a venue for performing decay spectroscopy on highly charged radioactive ions. Recent technical advancements have been able to provide a significant increase in sensitivity for low-energy photon detection, towards the goal of measuring weak electron-capture branching ratios of the intermediate nuclei in the two-neutrino double beta (2νββ) decay process. The design, development, and commissioning of this apparatus are presented together with the main physics objectives. The future of the device and experimental technique are discussed.

Original language	English
Pages (from-to)	91-99
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	780
DOIs	https://doi.org/10.1016/j.nima.2014.12.118
State	Published - Apr 21 2015
Externally published	Yes

Funding

TRIUMF receives federal funding via a contribution agreement with the National Research Council of Canada (NRC) . This work was partially supported by the Natural Sciences and Engineering Research Council of Canada (NSERC) , and the Deutsche Forschungsgemeinschaft (DFG) under Grant FR 601/3-1 . T.D.M. and A.T.G. acknowledge support from the NSERC PGS-M and CGS-D programs, respectively. K.G.L. would like to thank Stephan Ettenauer for many useful discussions on this work and its history with TITAN. The authors also thank Dave Morris, Chris Pearson, Leonid Kurchaninov, Fuluny Jang for their many contributions to this system.

Funders	Funder number
Natural Sciences and Engineering Research Council of Canada
Deutsche Forschungsgemeinschaft	FR 601/3-1

Keywords

2 νββ-decay nuclear matrix elements
Beta-decay of highly charged ions
Electron-beam ion trap
In-trap decay spectroscopy
X-ray detection

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10.1016/j.nima.2014.12.118

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Leach, K. G., Grossheim, A., Lennarz, A., Brunner, T., Crespo López-Urrutia, J. R., Gallant, A. T., Good, M., Klawitter, R., Kwiatkowski, A. A., Ma, T., Macdonald, T. D., Seeraji, S., Simon, M. C., Andreoiu, C., Dilling, J., & Frekers, D. (2015). The TITAN in-trap decay spectroscopy facility at TRIUMF. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 780, 91-99. https://doi.org/10.1016/j.nima.2014.12.118

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abstract = "This paper presents an upgraded in-trap decay spectroscopy apparatus which has been developed and constructed for use with TRIUMFs Ion Trap for Atomic and Nuclear science (TITAN). This device consists of an open-access electron-beam ion-trap (EBIT), which is surrounded radially by seven low-energy planar Si(Li) detectors. The environment of the EBIT allows for the detection of low-energy photons by providing backing-free storage of the radioactive ions, while guiding charged decay particles away from the trap centre via the strong (up to 6 T) magnetic field. In addition to excellent ion confinement and storage, the EBIT also provides a venue for performing decay spectroscopy on highly charged radioactive ions. Recent technical advancements have been able to provide a significant increase in sensitivity for low-energy photon detection, towards the goal of measuring weak electron-capture branching ratios of the intermediate nuclei in the two-neutrino double beta (2νββ) decay process. The design, development, and commissioning of this apparatus are presented together with the main physics objectives. The future of the device and experimental technique are discussed.",

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doi = "10.1016/j.nima.2014.12.118",

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Leach, KG, Grossheim, A, Lennarz, A, Brunner, T, Crespo López-Urrutia, JR, Gallant, AT, Good, M, Klawitter, R, Kwiatkowski, AA, Ma, T, Macdonald, TD, Seeraji, S, Simon, MC, Andreoiu, C, Dilling, J & Frekers, D 2015, 'The TITAN in-trap decay spectroscopy facility at TRIUMF', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 780, pp. 91-99. https://doi.org/10.1016/j.nima.2014.12.118

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AU - Leach, K. G.

AU - Grossheim, A.

AU - Lennarz, A.

AU - Brunner, T.

AU - Crespo López-Urrutia, J. R.

AU - Gallant, A. T.

AU - Good, M.

AU - Klawitter, R.

AU - Kwiatkowski, A. A.

AU - Ma, T.

AU - Macdonald, T. D.

AU - Seeraji, S.

AU - Simon, M. C.

AU - Andreoiu, C.

AU - Dilling, J.

AU - Frekers, D.

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N2 - This paper presents an upgraded in-trap decay spectroscopy apparatus which has been developed and constructed for use with TRIUMFs Ion Trap for Atomic and Nuclear science (TITAN). This device consists of an open-access electron-beam ion-trap (EBIT), which is surrounded radially by seven low-energy planar Si(Li) detectors. The environment of the EBIT allows for the detection of low-energy photons by providing backing-free storage of the radioactive ions, while guiding charged decay particles away from the trap centre via the strong (up to 6 T) magnetic field. In addition to excellent ion confinement and storage, the EBIT also provides a venue for performing decay spectroscopy on highly charged radioactive ions. Recent technical advancements have been able to provide a significant increase in sensitivity for low-energy photon detection, towards the goal of measuring weak electron-capture branching ratios of the intermediate nuclei in the two-neutrino double beta (2νββ) decay process. The design, development, and commissioning of this apparatus are presented together with the main physics objectives. The future of the device and experimental technique are discussed.

AB - This paper presents an upgraded in-trap decay spectroscopy apparatus which has been developed and constructed for use with TRIUMFs Ion Trap for Atomic and Nuclear science (TITAN). This device consists of an open-access electron-beam ion-trap (EBIT), which is surrounded radially by seven low-energy planar Si(Li) detectors. The environment of the EBIT allows for the detection of low-energy photons by providing backing-free storage of the radioactive ions, while guiding charged decay particles away from the trap centre via the strong (up to 6 T) magnetic field. In addition to excellent ion confinement and storage, the EBIT also provides a venue for performing decay spectroscopy on highly charged radioactive ions. Recent technical advancements have been able to provide a significant increase in sensitivity for low-energy photon detection, towards the goal of measuring weak electron-capture branching ratios of the intermediate nuclei in the two-neutrino double beta (2νββ) decay process. The design, development, and commissioning of this apparatus are presented together with the main physics objectives. The future of the device and experimental technique are discussed.

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KW - Beta-decay of highly charged ions

KW - Electron-beam ion trap

KW - In-trap decay spectroscopy

KW - X-ray detection

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

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

ER -

The TITAN in-trap decay spectroscopy facility at TRIUMF

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Keywords

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