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NSR database version of April 26, 2024.

Search: Author = H.Umezawa

Found 12 matches.

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1994DA25      Phys.Rev. C50, 3135 (1994)

I.C.Danchev, F.C.Khanna, H.Umezawa

Spontaneous Breakdown of Isospin Symmetry in Nuclei and Isobaric Analog States

doi: 10.1103/PhysRevC.50.3135
Citations: PlumX Metrics

1994HE12      Nucl.Phys. A571, 617 (1994)

P.A.Henning, H.Umezawa

The Delta-Hole Model at Finite Temperature

doi: 10.1016/0375-9474(94)90713-7
Citations: PlumX Metrics

1994KH04      Nucl.Phys. A577, 369c (1994)

F.C.Khanna, H.Umezawa, I.Danchev

Gamow-Teller States and Broken SU(4) Symmetry

doi: 10.1016/0375-9474(94)90882-6
Citations: PlumX Metrics

1989US04      Int.J.Radiat.Appl.Instr.D (Nucl.Tracks Radiat.Meas.) 16, 247 (1989)

S.Usuda, H.Umezawa

Measurement of the Spontaneous Fission Half-Life of ²⁴²Cm by Absolute Fission Track Counting

RADIOACTIVITY ²⁴²Cm(SF), (α); measured partial T_1/2 for fission.

doi: 10.1016/1359-0189(89)90024-1
Citations: PlumX Metrics

1981US03      J.Inorg.Nucl.Chem. 43, 3081 (1981)

S.Usuda, H.Umezawa

Half-Life of ²⁴²Cm

RADIOACTIVITY ²⁴²Cm; measured α-decay T_1/2. Ion-exchange procedures, ^242mAm source.

doi: 10.1016/0022-1902(81)80065-6
Citations: PlumX Metrics

1976HA65      Int.J.Appl.Radiat.Isotop. 27, 713 (1976)

K.Hata, H.Baba, H.Umezawa, T.Umezana, T.Suzuki, T.Nozaki

Preparation of a Gamma-Ray Emitting Plutonium Isotope ²³⁷Pu

RADIOACTIVITY ²³⁷Pu; measured Eγ, Iγ, Eα, Iα; deduced α-branching. ^238,239Np; measured Eγ, Iγ.

NUCLEAR REACTIONS ²³⁸U(³He, 4n), E=38.0 MeV; measured yield of ²³⁷Np.

doi: 10.1016/0020-708X(76)90017-X
Citations: PlumX Metrics

1976UM01      J.Nucl.Sci.Technol. 13, 327 (1976)

H.Umezawa, T.Suzuki, S.Ichikawa

Gamma-Ray Spectrometric Determination of Isotopic Ratios of Plutonium

RADIOACTIVITY ^{238,239,240,241}Pu; measured γ-branching.

doi: 10.1080/18811248.1976.9734032
Citations: PlumX Metrics

1973UM01      J.Inorg.Nucl.Chem. 35, 353 (1973)

H.Umezawa

Independent Isomeric Yield Ratio of ¹⁴⁸Pm in the Thermal-Neutron Induced Fission of ²³³U

NUCLEAR REACTIONS, Fission ²³³U(n, F), E=thermal; measured ¹⁴⁸Pm isomer yield ratio, fission yields.

doi: 10.1016/0022-1902(73)80545-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22069.

1971BA75      Nucl.Phys. A175, 177 (1971)

S.Baba, H.Umezawa, H.Baba

Mass Distribution and the Total Fission Cross Section in the Fission of ²³⁸U with Protons of Energies Ranging between 13 and 55 MeV

NUCLEAR REACTIONS, Fission ²³⁸U(p, F), E=13-55 MeV; measured fission product yields: deduced mass distribution, σ(F), prompt n'S.

doi: 10.1016/0375-9474(71)90630-0
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2032.

1971UM01      Nucl.Phys. A160, 65 (1971)

H.Umezawa, S.Baba, H.Baba

Systematic Behaviour of the Most Probable Charge in the Medium-Energy Fission

NUCLEAR STRUCTURE, Fission ²³⁶U, ²³⁴U, ²⁴⁰Pu, ²⁴²Cm, ²⁵²Cf Compound Nuclei; calculated fragment yields(Z), neutron numbers.

doi: 10.1016/0375-9474(70)90174-0
Citations: PlumX Metrics

1971UM04      J.Inorg.Nucl.Chem. 33, 2731 (1971)

H.Umezawa

Nuclear Charge Distribution in Proton-Induced Fission of ²³⁸U

NUCLEAR REACTIONS, Fission ²³⁸U(p, F), E=13-55 MeV; measured fractional chain yields; deduced nuclear charge distribution.

doi: 10.1016/0022-1902(71)80034-9
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1848.

1969TA10      Nucl.Phys. A133, 493 (1969)

E.Takekoshi, H.Umezawa, T.Suzuki

A Study of the Decay Scheme of ¹³⁴I

RADIOACTIVITY ¹³⁴I[from fission]; measured T_1/2, Eγ, Iγ, γγ-coin, γγ(θ=90, 180°). ¹³⁴Xe deduced levels, J, π. Ge(Li), NaI(Tl) detectors.

doi: 10.1016/0375-9474(69)90550-8
Citations: PlumX Metrics