Electron spectroscopy using a multi-detector array

Butler, P. A.; Jones, P. M.; Cann, K. J.; Cocks, J. F. C.; Jones, G.D.; Julin, R.; Trzaska, W. H.

doi:10.1016/s0168-9002(96)00762-0

Cited by 49 publications

(20 citation statements)

References 16 publications

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“…Examples of target position detector arrays to be used with GREAT are VEGA [3] or Jurosphere [4] for gamma rays and SACRED [5] for conversion electrons. Fig.…”

Section: Introductionmentioning

confidence: 99%

The GREAT triggerless total data readout method

Lazarus

Appelbe

Butler

et al. 2001

IEEE Trans. Nucl. Sci.

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226

147

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Abstract-Recoil decay tagging (RDT) is a very powerful method for the spectroscopy of exotic nuclei. RDT is a delayed coincidence technique between detectors usually at the target position and at the focal plane of a spectrometer. Such measurements are often limited by dead time. This paper describes a novel triggerless data acquisition method, which is being developed for the gamma recoil electron alpha tagging (GREAT) spectrometer, that overcomes this limitation by virtually eliminating dead time.Our solution is a total data readout (TDR) method where all channels run independently and are associated in software to reconstruct events. The TDR method allows all the data from both target position and focal plane to be collected with practically no dead-time losses. Each data word is associated with a timestamp generated from a global 100-MHz clock. Events are then reconstructed in real time in the event builder using temporal and spatial associations defined by the physics of the experiment.

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“…Examples of target position detector arrays to be used with GREAT are VEGA [3] or Jurosphere [4] for gamma rays and SACRED [5] for conversion electrons. Fig.…”

Section: Introductionmentioning

confidence: 99%

The GREAT triggerless total data readout method

Lazarus

Appelbe

Butler

et al. 2001

IEEE Trans. Nucl. Sci.

Self Cite

226

147

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“…During the design and construction phase of the SAGE spectrometer, simulations were carried out using the SOLENOID code. 6 These simulations were limited to two dimensions with cylindrical symmetry, and focused only on electron transport. The SOLELNOID code can simulate the angle between the beam and field, but not the angle within the field.…”

Section: Geant4 Simulationmentioning

confidence: 99%

“…The field geometry as well as the detector segmentation were carefully tuned to overcome counting rate bottlenecks experienced in the previous electron spectrometer SACRED. 6 For full details on the setup and design principles of SAGE see. 3…”

Section: Introduction -The Sage Spectrometermentioning

confidence: 99%

Transmission Efficiency of the Sage Spectrometer Using Geant4

Cox

Herzberg

Papadakis

et al. 2013

Fission and Properties of Neutron-Rich Nuclei

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The new SAGE spectrometer allows simultaneous electron and γ-ray in-beam studies of heavy nuclei. A comprehensive GEANT4 simulation suite has been created for the SAGE spectrometer. This includes both the silicon detectors for electron detection and the germanium detectors for γ-ray detection. The simulation can be used for a wide variety of tests with the aim of better understanding the behaviour of SAGE. A number of aspects of electron transmission are presented here.

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“…For many regions of the nuclear chart, however, internal conversion can compete or even dominate over γ-ray emission. For this reason, a number of electron spectrometers have been developed over the years, SACRED [2] for instance. More recently, electron spectrometers have been developed that can by employed simultaneously with γ-ray spectrometers, an example of this is the SAGE spectrometer [3] at the Accelerator Laboratory of the Physics Department of the University of Jyväskylä (JYFL).…”

Section: Introductionmentioning

confidence: 99%