(HE-3,T) CHARGE-EXCHANGE REACTIONS AT E(HE-3)=450 MEV, THETA=0-DEGREES

H Akimune; Y Daito; Y Fujita; M Fujiwara; M B Greenfield; M N Harakeh; T Inomata; J Janecke; K Katori; S Nakayama; H Sakai; Y Sakemi; M Tanaka; M Yosoi

(HE-3,T) CHARGE-EXCHANGE REACTIONS AT E(HE-3)=450 MEV, THETA=0-DEGREES

H Akimune^*
, Y Daito
, Y Fujita
, M Fujiwara
, M B Greenfield
, M N Harakeh
, T Inomata
, J Janecke
, K Katori
, S Nakayama
, H Sakai
, Y Sakemi
, M Tanaka
, M Yosoi

^*Corresponding author for this work

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

35 Citations (Scopus)

Abstract

Spin-isospin excitations in nuclei have been studied by means of the (He-3,t) reactions at 450 MeV on the targets Be-9, (nat)C, Si-28, Ni-58, Ni-62, Zr-90, Sn-118, Sn-120, 124Sn, and Sm-154. The new spectrometer ''Grand Raiden'' was employed for the (He-3,t) study for the first time. Observed (He-3,t) spectra at 0-degrees show remarkable similarity with those from the (p,n) results at intermediate energies, suggesting a simple direct reaction mechanism for the (He-3,t) reaction at 450 MeV. The Gamow-Teller (GT) resonances and the spin-flip DELTAL = 1 resonances are excited very strongly. A fine structure of the GT resonances in medium-heavy nuclei is observed with an energy resolution of 210 keV. It is demonstrated that the (He-3,t) reaction at 450 MeV is a powerful tool to study the spin-isospin excitations in nuclei.

Original language	English
Pages (from-to)	C245-C254
Number of pages	10
Journal	Nuclear Physics A
Volume	569
Issue number	1-2
Publication status	Published - 7-Mar-1994
Event	Gull Lake Nuclear Physics Conference on Giant Resonances - Duration: 17-Aug-1993 → 21-Aug-1993

Keywords

GAMOW-TELLER STRENGTH
INTERMEDIATE ENERGIES
P,N REACTION
SPIN
EXCITATION
SCATTERING
NUCLEON
STATES
MG-24
SI-28

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@article{0726c8f530d64e08a532e76a4c81d824,

title = "(HE-3,T) CHARGE-EXCHANGE REACTIONS AT E(HE-3)=450 MEV, THETA=0-DEGREES",

abstract = "Spin-isospin excitations in nuclei have been studied by means of the (He-3,t) reactions at 450 MeV on the targets Be-9, (nat)C, Si-28, Ni-58, Ni-62, Zr-90, Sn-118, Sn-120, 124Sn, and Sm-154. The new spectrometer ''Grand Raiden'' was employed for the (He-3,t) study for the first time. Observed (He-3,t) spectra at 0-degrees show remarkable similarity with those from the (p,n) results at intermediate energies, suggesting a simple direct reaction mechanism for the (He-3,t) reaction at 450 MeV. The Gamow-Teller (GT) resonances and the spin-flip DELTAL = 1 resonances are excited very strongly. A fine structure of the GT resonances in medium-heavy nuclei is observed with an energy resolution of 210 keV. It is demonstrated that the (He-3,t) reaction at 450 MeV is a powerful tool to study the spin-isospin excitations in nuclei.",

keywords = "GAMOW-TELLER STRENGTH, INTERMEDIATE ENERGIES, P,N REACTION, SPIN, EXCITATION, SCATTERING, NUCLEON, STATES, MG-24, SI-28",

author = "H Akimune and Y Daito and Y Fujita and M Fujiwara and Greenfield, \{M B\} and Harakeh, \{M N\} and T Inomata and J Janecke and K Katori and S Nakayama and H Sakai and Y Sakemi and M Tanaka and M Yosoi",

year = "1994",

month = mar,

day = "7",

language = "English",

volume = "569",

pages = "C245--C254",

journal = "Nuclear Physics A",

issn = "0375-9474",

publisher = "ELSEVIER SCIENCE BV",

number = "1-2",

note = "Gull Lake Nuclear Physics Conference on Giant Resonances ; Conference date: 17-08-1993 Through 21-08-1993",

}

TY - JOUR

T1 - (HE-3,T) CHARGE-EXCHANGE REACTIONS AT E(HE-3)=450 MEV, THETA=0-DEGREES

AU - Akimune, H

AU - Daito, Y

AU - Fujita, Y

AU - Fujiwara, M

AU - Greenfield, M B

AU - Harakeh, M N

AU - Inomata, T

AU - Janecke, J

AU - Katori, K

AU - Nakayama, S

AU - Sakai, H

AU - Sakemi, Y

AU - Tanaka, M

AU - Yosoi, M

PY - 1994/3/7

Y1 - 1994/3/7

N2 - Spin-isospin excitations in nuclei have been studied by means of the (He-3,t) reactions at 450 MeV on the targets Be-9, (nat)C, Si-28, Ni-58, Ni-62, Zr-90, Sn-118, Sn-120, 124Sn, and Sm-154. The new spectrometer ''Grand Raiden'' was employed for the (He-3,t) study for the first time. Observed (He-3,t) spectra at 0-degrees show remarkable similarity with those from the (p,n) results at intermediate energies, suggesting a simple direct reaction mechanism for the (He-3,t) reaction at 450 MeV. The Gamow-Teller (GT) resonances and the spin-flip DELTAL = 1 resonances are excited very strongly. A fine structure of the GT resonances in medium-heavy nuclei is observed with an energy resolution of 210 keV. It is demonstrated that the (He-3,t) reaction at 450 MeV is a powerful tool to study the spin-isospin excitations in nuclei.

AB - Spin-isospin excitations in nuclei have been studied by means of the (He-3,t) reactions at 450 MeV on the targets Be-9, (nat)C, Si-28, Ni-58, Ni-62, Zr-90, Sn-118, Sn-120, 124Sn, and Sm-154. The new spectrometer ''Grand Raiden'' was employed for the (He-3,t) study for the first time. Observed (He-3,t) spectra at 0-degrees show remarkable similarity with those from the (p,n) results at intermediate energies, suggesting a simple direct reaction mechanism for the (He-3,t) reaction at 450 MeV. The Gamow-Teller (GT) resonances and the spin-flip DELTAL = 1 resonances are excited very strongly. A fine structure of the GT resonances in medium-heavy nuclei is observed with an energy resolution of 210 keV. It is demonstrated that the (He-3,t) reaction at 450 MeV is a powerful tool to study the spin-isospin excitations in nuclei.

KW - GAMOW-TELLER STRENGTH

KW - INTERMEDIATE ENERGIES

KW - P,N REACTION

KW - SPIN

KW - EXCITATION

KW - SCATTERING

KW - NUCLEON

KW - STATES

KW - MG-24

KW - SI-28

M3 - Article

SN - 0375-9474

VL - 569

SP - C245-C254

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 1-2

T2 - Gull Lake Nuclear Physics Conference on Giant Resonances

Y2 - 17 August 1993 through 21 August 1993

ER -

(HE-3,T) CHARGE-EXCHANGE REACTIONS AT E(HE-3)=450 MEV, THETA=0-DEGREES

Abstract

Keywords

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