28 June 2015 to 3 July 2015
Africa/Johannesburg timezone
SAIP2015 Proceeding published on 17 July 2016

A multiplet of chiral bands in 194Tl: DSAM lifetime measurements

3 Jul 2015, 09:40
20m
Oral Presentation Track B - Nuclear, Particle and Radiation Physics NPRP

Speaker

Dr Elena Lawrie (iThemba LABS)

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Abstract content <br> &nbsp; (Max 300 words)<br><a href="http://events.saip.org.za/getFile.py/access?resId=0&materialId=0&confId=34" target="_blank">Formatting &<br>Special chars</a>

When a left-handed and a right-handed nuclear systems form in the angular momentum space, a pair of nearly degenerate rotational bands is observed. To identify chiral symmetry most important is to establish near-degeneracy of the B(M1) and B(E2) transition probabilities of the partner bands, which needs dedicated lifetime measurements. Such measurements were performed for four bands of 194Tl, including the pair of four-quasiparticle chiral bands with close near-degeneracy. The lifetime measurements confirm the excellent near-degeneracy in this pair and suggest that a third band may be closely involved in the chiral symmetry scenario.

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Primary author

Dr Paulus Masiteng (University of Johannesburg)

Co-authors

Prof. Alexander Pasternak (A.F. Ioffe Physical-Technical Institute, 194021 St.-Petersburg, Russia) Dr Elena Lawrie (iThemba LABS) Dr Evgenia Lieder (iThemba LABS) Prof. John F Sharpey-Schafer (UWC) Mr Joram Ndayishimye (Stellenbosch University) Dr Kobus Lawrie (iThemba LABS) Dr OBED SHIRINDA (iThemba LABS) Dr Paul Papka (Stellenbosch University) Prof. Rainer Lieder (iThemba LABS) Dr Robert Bark (iThemba LABS) Mr Robert Lindsay (University) Mr Sean Murray (iThemba LABS/UCT) Mr Sifiso Senzo Ntshangase (University of Cape Town / iThemba LABS) Dr Simon Mullins (iThemba LABS (Gauteng)) Dr Suzan Phumudzo Bvumbi (University of Johannesburg)

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