Iwasaki, H., Dewald, A., Braunroth, T., Fransen, C., Smalley, D., Lemasson, A., Morse, C., Whitmore, K. and Loelius, C. (2016). The TRIple PLunger for EXotic beams TRIPLEX for excited-state lifetime measurement studies on rare isotopes. Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip., 806. S. 123 - 132. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-9576

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Abstract

A new device, the TRIple PLunger for EXotic beams (TRIPLEX), has been developed for lifetime measurement studies with rare isotope beams. This plunger device holds up to three metal foils in the beam path and facilitates the recoil distance Doppler-shift technique to measure lifetimes of nuclear excited states in the range of 1 ps to 1 ns. The unique design allows independent movement of the target and the second degrader with respect to a fixed first degrader in between, enabling advanced experimental approaches, such as the differential recoil distance method and the double recoil distance method. The design and control of the device are presented in this paper, together with simulated performances of the new applications. As an example of actual experiments, results from the lifetime measurement of the neutron-rich C-17 isotope performed at the National Superconducting Cyclotron Laboratory are shown. (C) 2015 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Iwasaki, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dewald, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Braunroth, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fransen, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Smalley, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lemasson, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Morse, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Whitmore, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Loelius, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-287403
DOI: 10.1016/j.nima.2015.09.091
Journal or Publication Title: Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip.
Volume: 806
Page Range: S. 123 - 132
Date: 2016
Publisher: ELSEVIER SCIENCE BV
Place of Publication: AMSTERDAM
ISSN: 1872-9576
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
DECAY CURVE METHOD; COLLECTIVITY; TRANSITION; TOOLMultiple languages
Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & FieldsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/28740

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