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Search: Author = J.F.Chemin

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2004CL05      Phys.Rev. C 70, 044303 (2004)

G.Claverie, M.M.Aleonard, J.F.Chemin, F.Gobet, F.Hannachi, M.R.Harston, G.Malka, J.N.Scheurer, P.Morel, V.Meot

Search for nuclear excitation by electronic transition in 235U

NUCLEAR REACTIONS 235U(γ, γ'), E=low; measured isomer excitation rate upper limit. Nuclear excitation by electronic transition, laser-induced plasma.

doi: 10.1103/PhysRevC.70.044303
Citations: PlumX Metrics


2003AI07      Nucl.Instrum.Methods Phys.Res. A508, 367 (2003)

M.Aiche, M.M.Aleonard, G.Barreau, D.Boivin, F.Bourgine, D.Cabaussel, J.F.Chemin, M.Harston, J.N.Scheurer, G.La Rana, R.Moro, A.Brondi, E.Vardaci, D.Curien, F.Hannachi

Correction method for Doppler broadened γ-ray lines using the linear momentum of the evaporated charged particles in heavy-ion induced fusion-evaporation reactions

NUCLEAR REACTIONS 58Ni(32S, 3p), (32S, 4p), (32S, pα), (32S, 2pα), (32S, 3pα), (32S, 2α), E=120 MeV; measured Eγ, Iγ, (particle)γ-coin. Eurogam II, Diamant arrays, Doppler correction method.

doi: 10.1016/S0168-9002(03)01475-X
Citations: PlumX Metrics


2002KA14      Phys.Rev. C65, 034303 (2002)

F.F.Karpeshin, M.B.Trzhaskovskaya, M.R.Harston, J.F.Chemin

Internal Conversion between Bound States and the Pauli Exclusion Principle

NUCLEAR STRUCTURE 197Au; calculated conversion coefficients for Pauli-forbidden bound internal conversion.

doi: 10.1103/PhysRevC.65.034303
Citations: PlumX Metrics


2001HA26      Phys.Rev.Lett. 86, 3985 (2001)

F.Hammache, G.Bogaert, P.Aguer, C.Angulo, S.Barhoumi, L.Brillard, J.F.Chemin, G.Claverie, A.Coc, M.Hussonnois, M.Jacotin, J.Kiener, A.Lefebvre, C.Le Naour, S.Ouichaoui, J.N.Scheurer, V.Tatischeff, J.P.Thibaud, E.Virassamynaiken

Low-Energy Measurement of the 7Be(p, γ)8B Cross Section

NUCLEAR REACTIONS 7Be(p, γ), E(cm)=111.7, 134.7, 185.8 keV; measured α spectra, σ; deduced astrophysical S-factor. Comparison with previous results.

doi: 10.1103/PhysRevLett.86.3985
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0502.


2001HA36      Nucl.Phys. A688, 273c (2001)

F.Hammache, G.Bogaert, P.Aguer, C.Angulo, S.Barhoumi, L.Brillard, J.F.Chemin, G.Claverie, A.Coc, M.Hussonnois, M.Jacotin, J.Kiener, A.Lefebvre, C.Le Naour, S.Ouichaoui, J.N.Scheurer, V.Tatischeff, J.P.Thibaud, E.Virassamynaiken

The Solar Neutrino Problem: Low energy measurements of the 7Be(p, γ)8B Cross Section

NUCLEAR REACTIONS 7Be(p, γ), E=111.7-185.8 keV; measured Eα, αβ-coin, σ, S-factor. Comparison with earlier data and with calculations.

doi: 10.1016/S0375-9474(01)00713-8
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0502.


2001NI13      Phys.Rev. C64, 034313 (2001)

N.Nica, G.Duchene, V.E.Iacob, J.Dudek, F.A.Beck, Th.Byrski, D.Curien, G.de France, B.Haas, B.Kharraja, D.Prevost, C.Petrache, H.Savajols, J.P.Vivien, L.Han, K.Zuber, M.Aiche, M.M.Aleonard, J.F.Chemin, C.W.Beausang, S.Clarke, P.J.Dagnall, M.Smith, P.J.Twin, J.Simpson, M.A.Bentley

High-Spin States in 155Er

NUCLEAR REACTIONS 123Sb(37Cl, 5n), E=193 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 155Er deduced high-spin levels, J, π, δ, configurations, deformation. Eurogam II array. Tilted-Fermi-surface analysis.

doi: 10.1103/PhysRevC.64.034313
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2001VI13      Phys.Lett. 521B, 165 (2001)

G.Viesti, V.Rizzi, D.Fabris, M.Lunardon, G.Nebbia, M.Cinausero, E.Fioretto, G.Prete, A.Brondi, G.La Rana, R.Moro, E.Vardaci, M.Aiche, M.M.Aleonard, G.Barreau, D.Boivin, J.N.Scheurer, J.F.Chemin, K.Hagel, J.B.Natowitz, R.Wada, S.Courtin, F.Haas, N.Rowley, B.M.Nyako, J.Gal, J.Molnar

Exploring the Emission Barriers in Hot Nuclei

NUCLEAR REACTIONS 170Er(30Si, 5nα), E=165 MeV; 170Er(29Si, 4nα), E=147 MeV; measured Eγ, Iγ, Eα, (charged particle)γ-coin. 200Pb deduced α-emission barrier distribution. Euroball IV, Diamant arrays, comparisons with model predictions.

doi: 10.1016/S0370-2693(01)01221-7
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2000CA32      Phys.Rev. C62, 024311 (2000)

T.Carreyre, M.R.Harston, M.Aiche, F.Bourgine, J.F.Chemin, G.Claverie, J.P.Goudour, J.N.Scheurer, F.Attallah, G.Bogaert, J.Kiener, A.Lefebvre, J.Durell, J.P.Grandin, W.E.Meyerhof, W.Phillips

First Direct Proof of Internal Conversion between Bound States

NUCLEAR REACTIONS 232Th(125Te, 125Te'), E=25 MeV/nucleon; measured Eγ, Iγ, X-ray spectra following projectile Coulomb excitation. 125Te deduced internal conversion between bound atomic states. Highly ionized atoms.

doi: 10.1103/PhysRevC.62.024311
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2000HA42      Nucl.Phys. A676, 143 (2000)

M.R.Harston, T.Carreyre, J.F.Chemin, F.Karpeshin, M.B.Trzhaskovskaya

Internal Conversion to Bound Final States in 125Te

RADIOACTIVITY 125mTe(IT); calculated ICC for subthreshold conversion to bound states in highly ionized atoms, decay widths of atomic transitions, atomic and nuclear T1/2, ratio of x-rays to γ-rays produced in the transition. Comparison with experimental results.

doi: 10.1016/S0375-9474(00)00196-2
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2000SC43      Acta Phys.Hung.N.S. 12, 195 (2000)

J.N.Scheurer, M.Aiche, M.M.Aleonard, G.Barreau, D.Boivin, F.Bourgine, J.F.Chemin, T.P.Doan, A.Brondi, G.La Rana, R.Moro, A.Principe, E.Vardaci, D.Curien, G.Duchene, G.de France, F.A.Beck, B.Haas, J.P.Vivien, F.Hannachi

Feeding of ND and SD Bands in 151, 152Dy Nuclei

NUCLEAR REACTIONS 123Sb(37Cl, αX)150Dy/151Dy/152Dy/153Dy, E=191 MeV; measured Eα, αγ-, γγ-coin; deduced entry regions for normal-deformed, superdeformed bands. Euroball II, Diamant arrays.


1999AI04      Eur.Phys.J. A 6, 121 (1999)

M.Aiche, M.M.Aleonard, G.Barreau, D.Boivin, F.Bourgine, J.F.Chemin, J.N.Scheurer, T.P.Doan, A.Brondi, G.La Rana, R.Moro, A.Principe, E.Vardaci, D.Curien, G.Duchene, G.de France, F.A.Beck, B.Haas, J.P.Vivien, F.Hannachi

Alpha Energy Distribution as a Probe for the Feeding of ND and SD Bands in 151, 152Dy Nuclei

NUCLEAR REACTIONS 123Sb(37Cl, 4nα), (37Cl, 5nα), E=191 MeV; measured Eγ, Iγ, Eα, γγ-, αγ-coin. 151,152Dy deduced superdeformed, normal-deformed bands associated α spectra, band-feeding features, transitions from possible hyperdeformed band. Eurogam II, Diamant arrays.

doi: 10.1007/s100500050326
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1999CH43      Pramana 53, 633 (1999)

J.F.Chemin, T.Carreyre, M.Aiche, F.Attallah, G.Bogaert, J.P.Grandin, M.Harston, W.E.Meyerhof, J.N.Scheurer

A Rare Nuclear Decay Process: The internal aconversion between bound atomic states

doi: 10.1007/s12043-999-0041-8
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1999HA12      Phys.Rev. C59, 2462 (1999)

M.R.Harston, J.F.Chemin

Mechanisms of Nuclear Excitation in Plasmas

NUCLEAR STRUCTURE 235U; calculated excitation rate of metastable state for nuclei in plasmas. Several mechanisms discussed. Comparison with data.

doi: 10.1103/PhysRevC.59.2462
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1999HO25      Eur.Phys.J. A 6, 43 (1999)

M.Houry, R.Lucas, M.-G.Porquet, Ch.Theisen, M.Girod, M.Aiche, M.M.Aleonard, A.Astier, G.Barreau, F.Becker, J.F.Chemin, I.Deloncle, T.P.Doan, J.L.Durell, K.Hauschild, W.Korten, Y.Le Coz, M.J.Leddy, S.Perries, N.Redon, A.A.Roach, J.N.Scheurer, A.G.Smith, B.J.Varley

Structure of Neutron Rich Palladium Isotopes Produced in Heavy Ion Induced Fission

NUCLEAR REACTIONS 238U(12C, F), E=90 MeV; measured Eγ, Iγ, γγ-coin. 109,110,111,112,113,114,115,116,118Pd deduced high-spin levels, J, π, rotational bands, configurations, deformation, no shape transition. Euroball III array.

doi: 10.1007/s100500050315
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Data from this article have been entered in the XUNDL database. For more information, click here.


1998HA05      Phys.Rev.Lett. 80, 928 (1998)

F.Hammache, G.Bogaert, P.Aguer, C.Angulo, S.Barhoumi, L.Brillard, J.F.Chemin, G.Claverie, A.Coc, M.Hussonnois, M.Jacotin, J.Kiener, A.Lefebvre, J.N.Scheurer, J.P.Thibaud, E.Virassamynaiken

New Measurement and Analysis of the 7Be(p, γ)8B Cross Section

NUCLEAR REACTIONS 7Be(p, γ), E(cm)=0.35-1.4 MeV; measured σ, deduced astrophysical s-factors, extrapolated zero-energy s-factor. Radioactive target.

doi: 10.1103/PhysRevLett.80.928
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0691.


1997AI03      Z.Phys. A358, 175 (1997)

M.Aiche, M.M.Aleonard, G.Barreau, F.Bourgine, A.Brondi, D.Cabaussel-Sellam, D.Curien, J.F.Chemin, J.P.Goudour, M.Harston, G.La Rana, R.Moro, J.N.Scheurer, E.Vardaci

First Results with DIAMANT and EUROGAM

NUCLEAR REACTIONS 58Ni(32S, X), (32S, 2α), E=120 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin; deduced charged particle selectivity, Doppler correction features. 82Zr deduced transitions.

doi: 10.1007/s002180050297
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1997AT01      Phys.Rev. C55, 1665 (1997)

F.Attallah, M.Aiche, J.F.Chemin, J.N.Scheurer, W.E.Meyerhof, J.R.Grandin, P.Aguer, G.Bogaert, C.Grunberg, J.Kiener, A.Lefebvre, J.P.Thibaud

Ionic Charge Dependence of the Internal Conversion Coefficient and Nuclear Lifetime of the First Excited State in 125Te

NUCLEAR REACTIONS 232Th(125Te, 125Te'), E=27 MeV/nucleon; measured Coulomb excited projectile ions distribution. 125Te level deduced T1/2, ICC vs ionic charge state.

doi: 10.1103/PhysRevC.55.1665
Citations: PlumX Metrics


1997BO37      Phys.Rev. C56, 3180 (1997)

F.Bourgine, D.Cabaussel, D.Boivin, M.Aiche, M.-M.Aleonard, G.Barreau, J.-F.Chemin, T.P.Doan, J.P.Goudour, M.Harston, J.-N.Scheurer, A.Brondi, G.La Rana, R.Moro, A.Principe, E.Vardaci, D.Curien

Energy Sharing in the Deexcitation of the 90Ru Compound Nucleus Via the pα Channel

NUCLEAR REACTIONS 58Ni(32S, pα), E=120 MeV; measured Eγ, Iγ, (particle)γ-coin, p-, α-spectra, p-α angular correlations; deduced p, α energy sharing vs compound nucleus excitation energy. Statistical model calculations.

doi: 10.1103/PhysRevC.56.3180
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1997SC43      Nucl.Instrum.Methods Phys.Res. A385, 501 (1997)

J.N.Scheurer, M.Aiche, M.M.Aleonard, G.Barreau, F.Bourgine, D.Boivin, D.Cabaussel, J.F.Chemin, T.P.Doan, J.P.Goudour, M.Harston, A.Brondi, G.La Rana, R.Moro, E.Vardaci, D.Curien

Improvements in the In-Beam γ-Ray Spectroscopy Provided by an Ancillary Detector Coupled to a Ge γ-Spectrometer: The DIAMANT-EUROGAM II example

NUCLEAR REACTIONS, ICPND 58Ni(32S, xnypzα), E=120 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin; deduced residuals relative yields.

doi: 10.1016/S0168-9002(96)01038-8
Citations: PlumX Metrics


1997SC46      Acta Phys.Hung.N.S. 6, 107 (1997)

J.N.Scheurer, F.Hammache, G.Bogaert, C.Angulo, L.Brillard, A.Coc, J.F.Chemin, G.Claverie, M.Hussonois, M.Jacotin, J.Kiener, A.Lefebvre, J.P.Thibaud, E.Virassamynaiken

New 7Be(p, γ)8B Cross Section Measurement

NUCLEAR REACTIONS 7Be(p, γ), E(cm)=0.35-1.4 MeV; measured σ; deduced astrophysical S-factors, extrapolated zero-energy S-factors. Radioactive targets.


1996KA07      Phys.Rev. C53, 1640 (1996)

F.F.Karpeshin, M.R.Harston, F.Attallah, J.F.Chemin, J.N.Scheurer, I.M.Band, M.B.Trzhaskovskaya

Subthreshold Internal Conversion to Bound States in Highly Ionized 125Te Ions

NUCLEAR STRUCTURE 125Te; calculated ICC for various highly ionized charge states; deduced internal conversion decay continuity across continuum, bound final states energy threshold. New mode of decay.

doi: 10.1103/PhysRevC.53.1640
Citations: PlumX Metrics


1995AT01      Phys.Rev.Lett. 75, 1715 (1995)

F.Attallah, M.Aiche, J.F.Chemin, J.N.Scheurer, W.E.Meyerhof, J.P.Grandin, P.Aguer, G.Bogaert, J.Kiener, A.Lefebvre, J.P.Thibaud, C.Grunberg

Charge State Blocking of K-Shell Internal Conversion in 125Te

NUCLEAR REACTIONS 232Th(125Te, 125Te'), E=27 MeV/nucleon; measured 125Te ions spatial spectra. 125Te level deduced T1/2 dependence on charge state, K-shell internal conversion energetic blocking evidence.

doi: 10.1103/PhysRevLett.75.1715
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1990AZ04      Phys.Rev.Lett. 65, 305 (1990)

F.Azaiez, M.M.Aleonard, S.Andriamonje, J.F.Chemin, J.N.Scheurer, D.W.Spooner, J.P.Thibaud, J.F.Bruandet, E.Liatard, F.Beck, G.Costa

Observation of Characteristic X Rays Emitted During Sequential Proton Evaporation by the 112Xe Compound Nucleus

NUCLEAR REACTIONS 54Fe(58Ni, X), E=4.1 MeV/nucleon; measured Doppler shifted (X-ray)(evaporation residue)-coin; deduced mean proton width. Evaporation of 3p from compound nucleus.

doi: 10.1103/PhysRevLett.65.305
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1989AZ01      Nucl.Instrum.Methods Phys.Res. A281, 133 (1989)

F.Azaiez, M.M.Aleonard, S.Andriamonje, J.F.Chemin, G.Claverie, J.N.Scheurer, F.Beck, G.Costa

A 4π Light Charged Particle Multidetector for Reaction Channel Identification and Discrimination

NUCLEAR REACTIONS 54Fe(58Ni, X), E=238 MeV; measured fusion-evaporation particle spectra. 4π light charged particle detector.

doi: 10.1016/0168-9002(89)91224-2
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1989AZ02      Nucl.Phys. A501, 401 (1989)

F.Azaiez, S.Andriamonje, J.F.Chemin, M.Fidah, J.N.Scheurer, M.M.Aleonard, G.Bastin, J.P.Thibaud, G.Costa, F.Beck, J.F.Bruandet, E.Liatard

High-Spin States in Neutron Deficient 106Sn and 108Sn Isotopes

NUCLEAR REACTIONS 54Fe(58Ni, 4p), (58Ni, 2pα), E=268 MeV; measured Eγ, Iγ, γγ-coin, linear polarization. 108Sn, 106Sn deduced levels J, π. Enriched target, Ge(Li) detectors.

doi: 10.1016/0375-9474(89)90299-6
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1987SP01      Phys.Rev.Lett. 58, 341 (1987)

D.W.Spooner, Ch.Stoller, J.-F.Chemin, W.E.Meyerhof, J.-N.Scheurer, X.-Y.Xu

Large Resonance Effect in K-Shell Ionization Probability in Elastic Proton Backscattering on 138Ba

NUCLEAR REACTIONS 138Ba(p, p), E=9.8-10.2 MeV; measured σ(θ), K-shell ionization probability vs E; deduced atomic parameters. 139La deduced IAR, Γ, Γp.

doi: 10.1103/PhysRevLett.58.341
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1985CH38      Nucl.Instrum.Methods 241, 485 (1985)

J.F.Chemin, J.N.Scheurer, J.Roturier

Anti-Compton X-Ray Spectrometer

RADIOACTIVITY 22Na(β+), (EC); 60Co(β-); 109Cd(EC); measured E X-ray, I X-ray; deduced improved signal to background ratio. Anti-Compton Si(Li) X-ray spectrometer.

doi: 10.1016/0168-9002(85)90601-1
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1983CH41      Phys.Lett. 130B, 246 (1983)

J.F.Chemin, S.Andriamonje, E.Morenzoni, Ch.Stoller, R.Anholt, W.E.Meyerhof, O.K.Baker, J.D.Molitoris

Compound Elastic Cross Sections in the Isobaric Analog Resonances 88Sr(p, p0) at 5.06 MeV and 86Sr(p, p0) at 6.02 MeV

NUCLEAR REACTIONS 88Sr(p, p), E=5-5.2 MeV; 86Sr(p, p), E=5.95-6.1 MeV; measured σ(θ), K-shell ionization probability vs E in IAR region. 89,87Y deduced IAR compound elastic contribution.

doi: 10.1016/0370-2693(83)91134-6
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1983ST02      Z.Phys. A310, 9 (1983)

C.Stoller, J.F.Chemin, R.Anholt, W.E.Meyerhof, W.Wolfli

X-Ray Study of the Deep Inelastic Reactions 1, 160-MeV 136Xe + Pb and 136Xe + 232Th

ATOMIC PHYSICS 232Th, Pb(136Xe, X), E=1160 MeV; measured E(X-ray), I(X-ray); deduced production mechanism.

doi: 10.1007/BF01433605
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1982AN21      Phys.Lett. 118B, 245 (1982)

R.Anholt, J.F.Chemin, P.A.Amundsen

K-Shell Ionization across Isobaric Analog Resonances

NUCLEAR REACTIONS 86Sr(p, p), E=4.7-4.9 MeV; calculated σ(θ), K-shell ionization probability near IAR. Direct, compound elastic contributions.

doi: 10.1016/0370-2693(82)90176-9
Citations: PlumX Metrics


1982CH24      Phys.Rev. A26, 1239 (1982)

J.-F.Chemin, W.E.Meyerhof, R.Anholt, J.D.Molitoris, Ch.Stoller

Measurement of the K-Shell Ionization Probability across a Wide Resonance: 88Sr(p, p0) at 6.06 MeV

NUCLEAR REACTIONS 88Sr(p, p), E=6.06 MeV; measured σ(θ), K-shell ionization probability vs E; deduced nuclear resonance role in ionization probability time delay. Blair-Anholt theory.

doi: 10.1103/PhysRevA.26.1239
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1982ME13      Z.Phys. A309, 93 (1982)

W.E.Meyerhof, G.Astner, D.Hofmann, K.O.Groeneveld, J.F.Chemin

K-Ionization Probability across the 460-keV 12C(p, p0) Resonance

ATOMIC PHYSICS 12C(p, p), E=400-540 keV; measured pe-coin; deduced K-shell vacancy production probability.

doi: 10.1007/BF01414969
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1981AN13      Z.Phys. A300, 31 (1981)

S.Andriamonje, J.F.Chemin, J.Roturier, J.N.Scheurer

Gold L-Shell Ionization Probability by 1 MeV Proton at Large Scattering Angles

ATOMIC PHYSICS Au(p, X), E=1 MeV; measured E(L X-ray), I(L X-ray), L X-ray yield vs θ. Au deduced total L-shell ionization probability vs impact parameter.

doi: 10.1007/BF01412611
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1981CH27      Phys.Rev. A24, 1218 (1981)

J.F.Chemin, R.Anholt, Ch.Stoller, W.E.Meyerhof, P.A.Amundsen

Measurement of 88Sr K-Shell Ionization Probability across the Nuclear Elastic-Scattering Resonance at 5060 keV

NUCLEAR REACTIONS 88Sr(p, p), E=4965-5212 keV; measured p(X-ray)-coin; deduced K-shell ionization probability. Enriched target.

doi: 10.1103/PhysRevA.24.1218
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1979CH32      Nucl.Phys. A331, 407 (1979)

J.F.Chemin, S.Andriamonje, J.Roturier, B.Saboya, J.P.Thibaud, S.Joly, S.Plattard, J.Uzureau, H.Laurent, J.M.Maison, J.P.Schapira

Measurement of Compound-Nucleus Lifetime by X-Ray Spectroscopy in the 106Cd(p, p')106Cd Reaction

NUCLEAR REACTIONS 106Cd(p, p'), E=10, 12 MeV; measured Ep', E(X), P(X-ray)-coin, ionization probability; deduced reaction times, < Γ > . Enriched, natural targets.

doi: 10.1016/0375-9474(79)90351-8
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