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NSR database version of April 27, 2024.

Search: Author = M.Epherre

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1987BO18      Phys.Lett. 192B, 312 (1987)

J.P.Bocquet, M.Epherre-Rey-Campagnolle, G.Ericsson, T.Johansson, J.Konijn, T.Krogulski, M.Maurel, E.Monnand, J.Mougey, H.Nifenecker, P.Perrin, S.Polikanov, C.Ristori, G.Tibell

Delayed Fission from the Antiproton Annihilation in ²⁰⁹Bi - Evidence for Hypernuclear Decay

NUCLEAR REACTIONS ²⁰⁹Bi(p-bar, F), E at rest; measured delayed fission T_1/2, yield, fragment positions; deduced hypernuclear decay evidence. Avalanche counter detection system.

doi: 10.1016/0370-2693(87)90112-2
Citations: PlumX Metrics

1986AU02      Nucl.Phys. A449, 491 (1986)

G.Audi, A.Coc, M.Epherre-Rey-Campagnolle, G.Le Scornet, C.Thibault, F.Touchard

Mass-Spectrometric Measurements of Exotic Rb, Cs and Fr Isotopes

NUCLEAR REACTIONS U(p, X)⁹¹Rb/⁹²Rb/⁹³Rb/⁹⁴Rb/⁹⁵Rb/⁹⁶Rb/⁹⁷Rb/⁹⁸Rb/⁹⁹Rb/¹¹⁷Cs/¹¹⁸Cs/¹¹⁹Cs/¹²⁰Cs/¹²¹Cs/¹²²Cs/¹²³Cs/¹²⁵Cs/¹²⁷Cs/¹²⁸Cs/¹⁴²Cs/¹⁴³Cs/¹⁴⁴Cs/¹⁴⁵Cs/¹⁴⁶Cs/¹⁴⁷Cs/¹⁴⁸Cs/²⁰⁴Fr/²⁰⁶Fr/²¹⁰Fr/²¹¹Fr/²²⁰Fr/²²³Fr/²²⁴Fr/²²⁵Fr, E=600 MeV; measured residuals production yields.

NUCLEAR STRUCTURE ^{112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150}Xe, ^{114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152}Ba; calculated two neutron separation energies. Density-dependent Hartree-Fock calculations.

ATOMIC MASSES ^{89,91,93,92,95,96,97,98,99,94}Rb, ^{127,131,132,133,139,140,141,142,143,144,145,146,147,148,120,121,122,119,118,123,125}Cs, ^{220,221,222,223,224}Fr; measured masses; deduced single, double neutron separation energies. On-line mass spectroscopy, least-squares data fit.

doi: 10.1016/0375-9474(86)90232-0
Citations: PlumX Metrics

1986BO34      Phys.Lett. 182B, 146 (1986)

J.P.Bocquet, M.Epherre-Rey Campagnolle, G.Ericsson, T.Johansson, J.Konijn, T.Krogulski, M.Maurel, E.Monnand, J.Mougey, H.Nifenecker, P.Perrin, S.Polikanov, C.Ristori, G.Tibell

Observation of the Delayed Fission Induced by Antiproton Annihilation in ²³⁸U

NUCLEAR REACTIONS ²³⁸U(p-bar, F), E=100, 200 MeV/c; measured delayed fission fragment distributions, yield, T_1/2. Recoil distance technique, scintillators.

doi: 10.1016/0370-2693(86)91566-2
Citations: PlumX Metrics

1986BO41      Nucl.Phys. A460, 373 (1986)

M.J.G.Borge, M.Epherre-Rey-Campagnolle, D.Guillemaud-Mueller, B.Jonson, M.Langevin, G.Nyman, C.Thibault, and the ISOLDE collaboration

Beta-Delayed Triton Emission in the Decay of ⁸He

RADIOACTIVITY ⁸He(β^-) [from Th(p, X), E=600 MeV]; measured β-delayed triton branching ratios, spectra; deduced log ft. ⁸Li deduced level. ΔE-E telescope.

doi: 10.1016/0375-9474(86)90420-3
Citations: PlumX Metrics

1984GU19      Nucl.Phys. A426, 37 (1984)

D.Guillemaud-Mueller, C.Detraz, M.Langevin, F.Naulin, M.De Saint-Simon, C.Thibault, F.Touchard, M.Epherre

β-Decay Schemes of very Neutron-Rich Sodium Isotopes and Their Descendants

RADIOACTIVITY ^{27,28,29,30,31,32,33,34}Na, ^{29,30,31,32,33}Mg, ³²Al(β^-) [from In(p, X), E=10 GeV]; measured Eγ, Iγ, βγγ-coin; deduced Iβ, log ft. ^{27,28,29,30,31,32}Mg, ^29,30,31Al, ³²S deduced levels, γ-branching. ^29,30,31,32Mg, ³¹Al deduced neutron emission probabilities.

doi: 10.1016/0375-9474(84)90064-2
Citations: PlumX Metrics

1984LA03      Nucl.Phys. A414, 151 (1984)

M.Langevin, C.Detraz, D.Guillemaud-Mueller, A.C.Mueller, C.Thibault, F.Touchard, M.Epherre

β-Delayed Neutrons from very Neutron-Rich Sodium and Magnesium Isotopes

RADIOACTIVITY ^{29,30,31,32,34}Na, ^31,32,33,34Mg(β^-n); measured β-delayed neutron emission, T_1/2, βn-coin; deduced neutron emission probability. On-line mass spectrometer, 4π liquid scintillator β-coincident neutron detector.

doi: 10.1016/0375-9474(84)90502-5
Citations: PlumX Metrics

1984LA27      Phys.Lett. 146B, 176 (1984)

M.Langevin, C.Detraz, M.Epherre, D.Guillemaud-Mueller, B.Jonson, C.Thibault, and the ISOLDE Collaboration

Observation of β-Delayed Triton Emission

RADIOACTIVITY ¹¹Li(β^-) [from U(p, X)]; measured β-delayed charged particle spectra; deduced branching ratios for β-delayed triton emission and other channels. ^10,11Be deduced levels, decay branches. ⁶He deduced levels.

doi: 10.1016/0370-2693(84)91011-6
Citations: PlumX Metrics

1983DE04      Nucl.Phys. A394, 378 (1983)

C.Detraz, M.Langevin, M.C.Goffri-Kouassi, D.Guillemaud, M.Epherre, G.Audi, C.Thibault, F.Touchard

Mapping of the Onset of a New Region of Deformation: The masses of ³¹Mg and ³²Mg

RADIOACTIVITY ^31,32Na [from Ir(p, X), E=10 GeV]; measured Qβ. ^31,32Mg deduced mass excess.

doi: 10.1016/0375-9474(83)90111-2
Citations: PlumX Metrics

1983DE23      Nucl.Phys. A402, 301 (1983)

C.Detraz, M.Langevin, D.Guillemaud-Mueller, A.C.Mueller, C.Thibault, F.Touchard, G.Klotz, C.Miehe, G.Walter, M.Epherre, C.Richard-Serre

β-Delayed α-Emission from Neutron-Rich Nuclei: The case of ³⁰Na

RADIOACTIVITY ³⁰Na(β^-); measured β-delayed Eα, Iα; deduced α-emission probability. On-line spectrometer, Si detector.

doi: 10.1016/0375-9474(83)90500-6
Citations: PlumX Metrics

1983LA12      Phys.Lett. 125B, 116 (1983)

M.Langevin, C.Detraz, D.Guillemaud-Mueller, A.C.Mueller, C.Thibault, F.Touchard, M.Epherre

³⁵Na: A new neutron-rich Sodium isotope

NUCLEAR REACTIONS Ir(p, X), E=10 GeV; measured βn-coin; deduced evidence for ³⁵Na.

RADIOACTIVITY ³⁵Na(β^-) [from Ir(p, X), E=10 GeV, on-line separation]; measured βn-coin, T_1/2.

doi: 10.1016/0370-2693(83)91248-0
Citations: PlumX Metrics

1983LA23      Phys.Lett. 130B, 251 (1983)

M.Langevin, C.Detraz, D.Guillemaud-Mueller, A.C.Mueller, C.Thibault, F.Touchard, G.Klotz, C.Miehe, G.Walter, M.Epherre, C.Richard-Serre

⁵³K, ⁵⁴K and ⁵³Ca: Three new neutron rich isotopes

RADIOACTIVITY ^50,51,52,53K(β^-n) [from Ir(p, X), E=10 GeV]; measured β-delayed neutron yields, emission probabilities, T_1/2. ⁵³Ca [from ⁵³K(β^-)-decay]; measured T_1/2. ⁵⁴K(β^-n) [from Ir(p, X), E=10 GeV]; measured β-delayed neutron yields, T_1/2. ⁴⁹K(β^-n); measured β-delayed neutron emission probabilities.

doi: 10.1016/0370-2693(83)91135-8
Citations: PlumX Metrics

1982AU01      Nucl.Phys. A378, 443 (1982)

G.Audi, M.Epherre, C.Thibault, A.H.Wapstra, K.Bos

Masses of Rb, Cs and Fr Isotopes

ATOMIC MASSES A=74-99; A=117-147; A=204-228; analyzed direct mass measurement data for Rb, Cs, Fr isotopes; deduced mass excesses. ^{78,81,82,84,86,90,98}Rb, ^{119,121,123,135,116,118,120,122,124,130,134,136,138}Cs deduced mass isomeric corrections.

doi: 10.1016/0375-9474(82)90459-6
Citations: PlumX Metrics

1982DE47      Phys.Rev. C26, 2447 (1982)

M.de Saint Simon, S.Haan, G.Audi, A.Coc, M.Epherre, P.Guimbal, A.C.Mueller, C.Thibault, F.Touchard, M.Langevin

Independent Cross Sections of Na, K, Rb, Cs, and Fr Isotopes Produced in Ta and U Targets Bombarded by ¹²C Ions up to 77 MeV/Nucleon

NUCLEAR REACTIONS ¹⁸¹Ta, ²³⁸U(¹²C, X), E=13, 27, 77 MeV/nucleon; measured production σ for Na, K, Rb, Cs, Fr isotopes. On-line mass spectrometry.

doi: 10.1103/PhysRevC.26.2447
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1540.

1981LA11      Nucl.Phys. A366, 449 (1981)

M.Langevin, C.Detraz, D.Guillemaud, F.Naulin, M.Epherre, R.Klapisch, S.K.T.Mark, M.De Saint Simon, C.Thibault, F.Touchard

β-Delayed Charged Particles from ⁹Li and ¹¹Li

RADIOACTIVITY ^9,11Li; measured β-delayed Eα, βα-coin. ¹¹Li; measured β-delayed E(⁶He), β(⁶He)-coin; deduced log ft. ⁹Li deduced single neutron emission probability, β-delayed I(n). ¹¹Li deduced three neutron emission probability, β-delayed I(n). ^9,11Be levels deduced anti-analog character.

doi: 10.1016/0375-9474(81)90521-2
Citations: PlumX Metrics

1981TO19      Nucl.Instrum.Methods 186, 329 (1981)

F.Touchard, J.Biderman, M.de Saint Simon, C.Thibault, G.Huber, M.Epherre, R.Klapisch

Production of ionic and atomic beams of alkaline elements

NUCLEAR REACTIONS ¹⁹¹Ir(p, X), E=20 GeV; measured reaction products. ^{20,21,22,23,24,25,26,27,28,29,30,31,32,33,34}Na, ^{37,38,39,40,41,42,43,44,45,46,47,48,49}K; deduced production rates. The ISOLDE mass separator.

doi: 10.1016/0029-554x(81)90922-8
Citations: PlumX Metrics

1980CA23      Phys.Rev. C22, 2605 (1980)

X.Campi, M.Epherre

Calculation of Binding Energies and Isotope Shifts in a Long Series of Rubidium Isotopes

NUCLEAR STRUCTURE ^{76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106}Sr, ^{75,77,79,81,83,85,87,89,91,93,95,97,99,101,103,105}Rb, ^{74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104}Kr; calculated binding energies, rms charge radii, two-neutron separation energies. Density dependent Hartree-Fock, Skyrme interaction.

doi: 10.1103/PhysRevC.22.2605
Citations: PlumX Metrics

1980DE26      Phys.Lett. B94, 307 (1980)

C.Detraz, M.Epherre, D.Guillemaud, P.G.Hansen, B.Jonson, R.Klapisch, M.Langevin, S.Mattsson, F.Naulin, G.Nyman, A.M.Poskanzer, H.L.Ravn, M. de Saint-Simon, K.Takahashi, C.Thibault, F.Touchard

Beta-Delayed Two-Neutron Emission from ^30,31,32Na

RADIOACTIVITY ^30,31,32Na [from U(p, X), E=660 MeV]; measured β-delayed nn(t), Eγ, Iγ; deduced two-neutron emission branching ratios.

doi: 10.1016/0370-2693(80)90884-9
Citations: PlumX Metrics

1980DE39      J.Phys.(Paris), Lett. 41, L-459 (1980)

C.Detraz, D.Guillemaud, M.Langevin, F.Naulin, M.Epherre, R.Klapisch, M.de Saint-Simon, C.Thibault, F.Touchard

The γ Activity from ¹¹Li Beta Decay

RADIOACTIVITY ¹¹Li [from Ir(p, X), E=24 GeV]; measured Eγ, Iγ, Iβ, β-delayed En, In; deduced log ft, total β-delayed neutron emission probability.

1980EP02      Nucl.Phys. A340, 1 (1980)

M.Epherre, G.Audi, C.Thibault, R.Klapisch, G.Huber, F.Touchard, H.Wollnik

Direct Mass Measurements on Francium Isotopes and Deduced Masses for Odd-Z Neighbouring Elements

ATOMIC MASSES ^{204,205,206,207,208,209,210,212,224,225,226,227,228}Fr; measured masses; deduced ^{209,210,211,212,213,214,216}Ac, ^{215,216,217,218}Pa, ^{200,201,202,203,204,205,206,208}At, ^{196,197,198,199,200,201,202,204}Bi, ¹⁹⁷Tl masses. On-line mass spectrometry, comparison with current mass predictions.

doi: 10.1016/0375-9474(80)90319-X
Citations: PlumX Metrics

1979EP01      Phys.Rev. C19, 1504 (1979)

M.Epherre, G.Audi, C.Thibault, R.Klapisch, G.Huber, F.Touchard, H.Wollnik

Direct Measurements of the Masses of Rubidium and Cesium Isotopes Far From Stability

NUCLEAR STRUCTURE ^{74,75,76,77,78,79,90,91,92,93,94,95,96,97,98,99}Rb; ^{117,118,119,120,121,122,123,124,126,138,140,141,142,143,144,145,146,147}Cs; measured masses; deduced two-neutron separation energies, evidence for deformation around N=60.

doi: 10.1103/PhysRevC.19.1504
Citations: PlumX Metrics

1976EP01      Phys.Rev. C13, 206 (1976)

M.Epherre, R.Klapisch

Twofold Mass Separation Method in the Search for Superheavy Elements in Nature

RADIOACTIVITY A > 200; evaluated fission track method; proposed experiment.

doi: 10.1103/PhysRevC.13.206
Citations: PlumX Metrics

1976ST16      Phys.Rev.Lett. 37, 1534 (1976)

C.Stephan, M.Epherre, E.Cieslak, M.Sowinski, J.Tys

Search for Superheavy Elements in Monazite Ore from Madagascar

RADIOACTIVITY A > 200; measured neutron-induced fission of monazite ore; deduced no evidence for ³⁵²124, ³⁵⁴126, ³⁵⁵127.

doi: 10.1103/PhysRevLett.37.1534
Citations: PlumX Metrics

1975EP01      J.Phys.(Paris), Colloq. 36, C5-159 (1975)

M.Epherre, C.Stephan

Les Elements Superlourds

NUCLEAR STRUCTURE A > 200; analyzed status for search of superheavy elements. Review.

1971EP02      Phys.Rev. C3, 2167 (1971); Erratum Phys.Rev. C4, 1494 (1971)

M.Epherre, C.Seide

Excitation Functions of ⁷Be and ¹¹C Produced in Nitrogen by Low-Energy Protons

NUCLEAR REACTIONS ¹⁴N(p, X), E=5-42 MeV; measured σ(E) for ⁷Be, ¹¹C production.

doi: 10.1103/PhysRevC.3.2167
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetR0018.