A recent extension of the Doppler-shift attenuation method to measure short lifetimes of states populated in low-energy binary reactions is applied to the case of 17N. The reliability of the technique is confirmed by measuring the lifetime of the 5515 keV 3/2 - state, which is depopulated by two different γ rays. The method is used to measure the lifetime of the 5170 keV (9/2+) state in the same nucleus. Comparisons with large-scale shell-model predictions are given as well.

Lifetime analysis of short-lived states in ¹⁷N [Lifetime analysis of short-lived states in ${}^{17}N$] [Lifetime analysis of short-lived states in 17N] / S. Ziliani, M. Ciemala, F.C.L. Crespi, S. Leoni, B. Fornal, A. Maj, P. Bednarczyk, G. Benzoni, A. Bracco, C. Boiano, S. Bottoni, S. Brambilla, M. Bast, M. Beckers, T. Braunroth, F. Camera, N. Cieplicka-Orynczak, E. Clement, S. Coelli, O. Dorvaux, S. Erturk, G. De France, C. Fransen, A. Goldkuhle, J. Grebosz, M.N. Harakeh, L.W. Iskra, B. Jacquot, A. Karpov, M. Kicinska-Habior, Y. Kim, M. Kmiecik, A. Lemasson, S.M. Lenzi, M. Lewitowicz, H. Li, I. Matea, K. Mazurek, C. Michelagnoli, M. Matejska-Minda, B. Million, C. Muller-Gatermann, V. Nanal, P. Napiorkowski, D.R. Napoli, R. Palit, M. Rejmund, C. Schmitt, M. Stanoiu, I. Stefan, E. Vardaci, B. Wasilewska, O. Wieland, M. Zieblinski, M. Zielinska. - In: IL NUOVO CIMENTO C. - ISSN 2037-4909. - 44:2-3(2021 Mar), pp. 84.1-84.4. ((Intervento presentato al convegno SIF Congress tenutosi a (online) nel 2020 [10.1393/ncc/i2021-21084-7].

Lifetime analysis of short-lived states in ¹⁷N [Lifetime analysis of short-lived states in ${}^{17}N$] [Lifetime analysis of short-lived states in 17N]

S. Ziliani
Primo
;
F.C.L. Crespi;S. Leoni;A. Bracco;S. Bottoni;F. Camera;
2021

Abstract

A recent extension of the Doppler-shift attenuation method to measure short lifetimes of states populated in low-energy binary reactions is applied to the case of 17N. The reliability of the technique is confirmed by measuring the lifetime of the 5515 keV 3/2 - state, which is depopulated by two different γ rays. The method is used to measure the lifetime of the 5170 keV (9/2+) state in the same nucleus. Comparisons with large-scale shell-model predictions are given as well.
Settore FIS/04 - Fisica Nucleare e Subnucleare
Società Italiana di Fisica
Article (author)
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/884338
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