Experimental evidence for low-lying quadrupole isovector excitation of 208 Po

A. Yaneva; D. Kocheva; G. Rainovski; J. Jolie; N. Pietralla; A. Blazhev; A. Dewald; M. Djongolov; C. Fransen; K. A. Gladnishki; C. Henrich; I. Homm; K. E. Ide; P. R. John; D. Kalaydjieva; V. Karayonchev; R. Kern; J. Kleemann; Th Kröll; C. Müller-Gatermann; M. Scheck; P. Spagnoletti; M. Stoyanova; V. Werner

doi:10.1140/epja/s10050-020-00259-w

Experimental evidence for low-lying quadrupole isovector excitation of ²⁰⁸ Po

A. Yaneva, D. Kocheva^*, G. Rainovski, J. Jolie, N. Pietralla, A. Blazhev, A. Dewald, M. Djongolov, C. Fransen, K. A. Gladnishki, C. Henrich, I. Homm, K. E. Ide, P. R. John, D. Kalaydjieva, V. Karayonchev, R. Kern, J. Kleemann, Th Kröll, C. Müller-GatermannM. Scheck, P. Spagnoletti, M. Stoyanova, V. Werner

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

We present the results from an experiment dedicated to measure the lifetime of the 22+ state, candidate for the one-phonon mixed-symmetry state, of ²⁰⁸Po. This nucleus was studied in the α-transfer reaction ²⁰⁴Pb(¹²C,⁸Be)²⁰⁸Po and the lifetime of the 22+ state was determined by utilizing the Doppler-shift attenuation method. The experimental data show that the 22+ state decays with a sizable M1 transition to the 21+ state revealing its isovector nature.

Original language	English
Article number	246
Number of pages	7
Journal	European Physical Journal A
Volume	56
Issue number	10
DOIs	https://doi.org/10.1140/epja/s10050-020-00259-w
Publication status	Published - 2 Oct 2020

Keywords

lifetimes
electromagnetic transitions
transfer reactions
190≤ A ≤219

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10.1140/epja/s10050-020-00259-w

2020 09 20 Yaneva et al Experimental acceptedAccepted author manuscript, 368 KB

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Yaneva, A., Kocheva, D., Rainovski, G., Jolie, J., Pietralla, N., Blazhev, A., Dewald, A., Djongolov, M., Fransen, C., Gladnishki, K. A., Henrich, C., Homm, I., Ide, K. E., John, P. R., Kalaydjieva, D., Karayonchev, V., Kern, R., Kleemann, J., Kröll, T., ... Werner, V. (2020). Experimental evidence for low-lying quadrupole isovector excitation of ²⁰⁸ Po. European Physical Journal A, 56(10), Article 246. https://doi.org/10.1140/epja/s10050-020-00259-w

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title = "Experimental evidence for low-lying quadrupole isovector excitation of 208 Po",

abstract = "We present the results from an experiment dedicated to measure the lifetime of the 22+ state, candidate for the one-phonon mixed-symmetry state, of 208Po. This nucleus was studied in the α-transfer reaction 204Pb(12C,8Be)208Po and the lifetime of the 22+ state was determined by utilizing the Doppler-shift attenuation method. The experimental data show that the 22+ state decays with a sizable M1 transition to the 21+ state revealing its isovector nature.",

keywords = "lifetimes, electromagnetic transitions, transfer reactions, 190≤ A ≤219",

author = "A. Yaneva and D. Kocheva and G. Rainovski and J. Jolie and N. Pietralla and A. Blazhev and A. Dewald and M. Djongolov and C. Fransen and Gladnishki, {K. A.} and C. Henrich and I. Homm and Ide, {K. E.} and John, {P. R.} and D. Kalaydjieva and V. Karayonchev and R. Kern and J. Kleemann and Th Kr{\"o}ll and C. M{\"u}ller-Gatermann and M. Scheck and P. Spagnoletti and M. Stoyanova and V. Werner",

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doi = "10.1140/epja/s10050-020-00259-w",

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Yaneva, A, Kocheva, D, Rainovski, G, Jolie, J, Pietralla, N, Blazhev, A, Dewald, A, Djongolov, M, Fransen, C, Gladnishki, KA, Henrich, C, Homm, I, Ide, KE, John, PR, Kalaydjieva, D, Karayonchev, V, Kern, R, Kleemann, J, Kröll, T, Müller-Gatermann, C, Scheck, M, Spagnoletti, P, Stoyanova, M & Werner, V 2020, 'Experimental evidence for low-lying quadrupole isovector excitation of ²⁰⁸ Po', European Physical Journal A, vol. 56, no. 10, 246. https://doi.org/10.1140/epja/s10050-020-00259-w

TY - JOUR

T1 - Experimental evidence for low-lying quadrupole isovector excitation of 208 Po

AU - Yaneva, A.

AU - Kocheva, D.

AU - Rainovski, G.

AU - Jolie, J.

AU - Pietralla, N.

AU - Blazhev, A.

AU - Dewald, A.

AU - Djongolov, M.

AU - Fransen, C.

AU - Gladnishki, K. A.

AU - Henrich, C.

AU - Homm, I.

AU - Ide, K. E.

AU - John, P. R.

AU - Kalaydjieva, D.

AU - Karayonchev, V.

AU - Kern, R.

AU - Kleemann, J.

AU - Kröll, Th

AU - Müller-Gatermann, C.

AU - Scheck, M.

AU - Spagnoletti, P.

AU - Stoyanova, M.

AU - Werner, V.

PY - 2020/10/2

Y1 - 2020/10/2

N2 - We present the results from an experiment dedicated to measure the lifetime of the 22+ state, candidate for the one-phonon mixed-symmetry state, of 208Po. This nucleus was studied in the α-transfer reaction 204Pb(12C,8Be)208Po and the lifetime of the 22+ state was determined by utilizing the Doppler-shift attenuation method. The experimental data show that the 22+ state decays with a sizable M1 transition to the 21+ state revealing its isovector nature.

AB - We present the results from an experiment dedicated to measure the lifetime of the 22+ state, candidate for the one-phonon mixed-symmetry state, of 208Po. This nucleus was studied in the α-transfer reaction 204Pb(12C,8Be)208Po and the lifetime of the 22+ state was determined by utilizing the Doppler-shift attenuation method. The experimental data show that the 22+ state decays with a sizable M1 transition to the 21+ state revealing its isovector nature.

KW - lifetimes

KW - electromagnetic transitions

KW - transfer reactions

KW - 190≤ A ≤219

UR - http://www.scopus.com/inward/record.url?scp=85091746713&partnerID=8YFLogxK

U2 - 10.1140/epja/s10050-020-00259-w

DO - 10.1140/epja/s10050-020-00259-w

M3 - Article

AN - SCOPUS:85091746713

SN - 1434-6001

VL - 56

JO - European Physical Journal A

JF - European Physical Journal A

IS - 10

M1 - 246

ER -

Experimental evidence for low-lying quadrupole isovector excitation of ²⁰⁸ Po

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