Collective and single-particle states at high excitation energy

A M van den Berg; H Akimune; I Daito; H Fujimura; M Fujiwara; Y Fujita; M N Harakeh; F Ihara; T Inomata; K Ishibashi; J Janecke; N Kalantar-Nayestanaki; H Laurent; I Lhenry; H K T van der Molen; T O'Donnell; V A Rodin; A Tamii; H Toyokawa; M H Urin; H Yoshida; M Yosoi

Collective and single-particle states at high excitation energy

A M van den Berg^*
, H Akimune
, I Daito
, H Fujimura
, M Fujiwara
, Y Fujita
, M N Harakeh
, F Ihara
, T Inomata
, K Ishibashi
, J Janecke
, N Kalantar-Nayestanaki
, H Laurent
, I Lhenry
, H K T van der Molen
, T O'Donnell
, V A Rodin
, A Tamii
, H Toyokawa
, M H Urin

H Yoshida, M Yosoi

^*Corresponding author for this work

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

Abstract

Damping of high-lying single-particle states was investigated by the study of decay by proton emission from high-lying states in Nb-91, populated by the Zr-90(alpha, t) reaction at E-alpha = 180 MeV. In addition to decay to the ground state of Zr-90, semi-direct decay was observed to the low-lying (2(+)/5(-) and 3(-)) phonon states, confirming the conclusion from other experiments that phonon states play an important role in the damping process of the single-particle states. Furthermore, the population and decay of isobaric analogue states of Zr-91, which are located at an excitation energy of about 10 - 12 MeV in Nb-91, has been studied in the same reaction.

Original language	English
Pages (from-to)	21-30
Number of pages	10
Journal	Acta physica hungarica new series-Heavy ion physics
Volume	13
Issue number	1-3
Publication status	Published - 2001
Event	International Symposium on Exotic Nuclear Structures (ENS 2000) - , Hungary Duration: 15-May-2000 → 20-May-2000

Keywords

damping of high-lying single-particle states
proton emission
semidirect decay to low-lying phonon states
population and decay of isobaric analogue states
DECAY

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Collective and single-particle states at high excitation energy
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van den Berg, A. M., Akimune, H., Daito, I., Fujimura, H., Fujiwara, M., Fujita, Y., Harakeh, M. N., Ihara, F., Inomata, T., Ishibashi, K., Janecke, J., Kalantar-Nayestanaki, N., Laurent, H., Lhenry, I., van der Molen, H. K. T., O'Donnell, T., Rodin, V. A., Tamii, A., Toyokawa, H., ... Yosoi, M. (2001). Collective and single-particle states at high excitation energy. Acta physica hungarica new series-Heavy ion physics, 13(1-3), 21-30.

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title = "Collective and single-particle states at high excitation energy",

abstract = "Damping of high-lying single-particle states was investigated by the study of decay by proton emission from high-lying states in Nb-91, populated by the Zr-90(alpha, t) reaction at E-alpha = 180 MeV. In addition to decay to the ground state of Zr-90, semi-direct decay was observed to the low-lying (2(+)/5(-) and 3(-)) phonon states, confirming the conclusion from other experiments that phonon states play an important role in the damping process of the single-particle states. Furthermore, the population and decay of isobaric analogue states of Zr-91, which are located at an excitation energy of about 10 - 12 MeV in Nb-91, has been studied in the same reaction.",

keywords = "damping of high-lying single-particle states, proton emission, semidirect decay to low-lying phonon states, population and decay of isobaric analogue states, DECAY",

author = "\{van den Berg\}, \{A M\} and H Akimune and I Daito and H Fujimura and M Fujiwara and Y Fujita and Harakeh, \{M N\} and F Ihara and T Inomata and K Ishibashi and J Janecke and N Kalantar-Nayestanaki and H Laurent and I Lhenry and \{van der Molen\}, \{H K T\} and T O'Donnell and Rodin, \{V A\} and A Tamii and H Toyokawa and Urin, \{M H\} and H Yoshida and M Yosoi",

year = "2001",

language = "English",

volume = "13",

pages = "21--30",

journal = "Acta physica hungarica new series-Heavy ion physics",

issn = "1219-7580",

number = "1-3",

note = "International Symposium on Exotic Nuclear Structures (ENS 2000) ; Conference date: 15-05-2000 Through 20-05-2000",

}

van den Berg, AM, Akimune, H, Daito, I, Fujimura, H, Fujiwara, M, Fujita, Y, Harakeh, MN, Ihara, F, Inomata, T, Ishibashi, K, Janecke, J, Kalantar-Nayestanaki, N, Laurent, H, Lhenry, I, van der Molen, HKT, O'Donnell, T, Rodin, VA, Tamii, A, Toyokawa, H, Urin, MH, Yoshida, H & Yosoi, M 2001, 'Collective and single-particle states at high excitation energy', Acta physica hungarica new series-Heavy ion physics, vol. 13, no. 1-3, pp. 21-30.

TY - JOUR

T1 - Collective and single-particle states at high excitation energy

AU - van den Berg, A M

AU - Akimune, H

AU - Daito, I

AU - Fujimura, H

AU - Fujiwara, M

AU - Fujita, Y

AU - Harakeh, M N

AU - Ihara, F

AU - Inomata, T

AU - Ishibashi, K

AU - Janecke, J

AU - Kalantar-Nayestanaki, N

AU - Laurent, H

AU - Lhenry, I

AU - van der Molen, H K T

AU - O'Donnell, T

AU - Rodin, V A

AU - Tamii, A

AU - Toyokawa, H

AU - Urin, M H

AU - Yoshida, H

AU - Yosoi, M

PY - 2001

Y1 - 2001

N2 - Damping of high-lying single-particle states was investigated by the study of decay by proton emission from high-lying states in Nb-91, populated by the Zr-90(alpha, t) reaction at E-alpha = 180 MeV. In addition to decay to the ground state of Zr-90, semi-direct decay was observed to the low-lying (2(+)/5(-) and 3(-)) phonon states, confirming the conclusion from other experiments that phonon states play an important role in the damping process of the single-particle states. Furthermore, the population and decay of isobaric analogue states of Zr-91, which are located at an excitation energy of about 10 - 12 MeV in Nb-91, has been studied in the same reaction.

AB - Damping of high-lying single-particle states was investigated by the study of decay by proton emission from high-lying states in Nb-91, populated by the Zr-90(alpha, t) reaction at E-alpha = 180 MeV. In addition to decay to the ground state of Zr-90, semi-direct decay was observed to the low-lying (2(+)/5(-) and 3(-)) phonon states, confirming the conclusion from other experiments that phonon states play an important role in the damping process of the single-particle states. Furthermore, the population and decay of isobaric analogue states of Zr-91, which are located at an excitation energy of about 10 - 12 MeV in Nb-91, has been studied in the same reaction.

KW - damping of high-lying single-particle states

KW - proton emission

KW - semidirect decay to low-lying phonon states

KW - population and decay of isobaric analogue states

KW - DECAY

M3 - Article

SN - 1219-7580

VL - 13

SP - 21

EP - 30

JO - Acta physica hungarica new series-Heavy ion physics

JF - Acta physica hungarica new series-Heavy ion physics

IS - 1-3

T2 - International Symposium on Exotic Nuclear Structures (ENS 2000)

Y2 - 15 May 2000 through 20 May 2000

ER -

Collective and single-particle states at high excitation energy

Abstract

Keywords

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