A New Plunger Device for Investigating the Effects of Deformation on Proton Emission Rates via Lifetime Measurements

M. J. Taylor, D M {Cullen}, A J {Smith}, A {McFarlane}, V {Twist}, M G {Procter}, G A {Alharshan}, T {Braunroth}, A {Dewald}, E {Ellinger}, C {Fransen}, P A {Butler}, M {Scheck}, D T {Joss}, B {Saygi}, C G {McPeake}, T {Grahn}, P T {Greenlees}, U {Jakobsson}, P {Jones}R {Julin}, S {Juutinen}, S {Ketelhut}, M {Leino}, P {Nieminen}, J {Pakarinen}, P {Peura}, P {Rahkila}, P {Ruotsalainen}, M {Sandzelius}, J {Sarén}, C {Scholey}, J {Sorri}, S {Stolze}, J {Uusitalo}, Y E {Penionzhkevich} (Editor), Y G {Sobolev} (Editor)

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A new plunger device has been designed and built to measure the lifetimes of unbound states in exotic nuclei beyond the proton drip-line. The device is designed to work in both vacuum and dilute-gas environments made possible through the introduction of a lowvoltage piezoelectric motors. The differential plunger for unbound nuclear states, DPUNS, will be used in conjunction with the gas-filled separator RITU and the vacuum separator MARA at the accelerator laboratory of the University of Jyväskylä, Finland, to measure the lifetimes of excited states with low population cross-sections. This is achieved by eliminating the need for a carbon foil to isolate the helium gas of RITU from the beam line thus reducing the background from beam-foil reactions. The plunger will be used to address many key facets of nuclear structure physics with particular emphasis on the effect of deformation on proton emission rates.


Original languageEnglish
Title of host publicationExotic Nuclei: EXON-2012 - Proceedings of the International Symposium. Edited by Penionzhkevich Yu E {\amp} Sobolev Yu G. Published by World Scientific Publishing Co. Pte. Ltd., 2013. ISBN \#9789814508865, pp. 347-356
EditorsY E {Penionzhkevich}, Y G {Sobolev}
PublisherWorld Scientific Publishing Co. Pte. Ltd
Pages347-356
Number of pages10
ISBN (Electronic)9789814508865
ISBN (Print)9789814508858
DOIs
Publication statusPublished - Jun 2013

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