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NSR database version of April 25, 2024.

Search: Author = K.Abrahams

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2022SP01      Phys.Rev. C 105, 024323 (2022)

P.Spagnoletti, P.A.Butler, L.P.Gaffney, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, J.Konki, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Scheck, M.Seidlitz, T.M.Shneidman, B.Siebeck, J.Sinclair, J.F.Smith, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, K.Wrzosek-Lipska, N.Warr, M.Zielinska

Coulomb excitation of 222Rn

NUCLEAR REACTIONS 120Sn, 60Ni(222Rn, 222Rn'), E=4.23 MeV/nucleon [secondary 222Rn beam produced in Th(p, X), E=1.4 GeV reaction]; measured reaction products, Eγ, Iγ, (particle)γ-coin. 222Rn; deduced levels, J, π, E1, E2 and E3 matrix elements, high-spin levels, bands, intrinsic quadrupole and octupole moments. GOSIA analysis of Coulomb excitation cross sections. Miniball HPGe array at HIE-ISOLDE. Systematics of quadrupole moments and other parameters in even-A Ra and Rn isotopes.

doi: 10.1103/PhysRevC.105.024323
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021GI14      Phys.Rev. C 104, 044313 (2021)

S.A.Gillespie, J.Henderson, K.Abrahams, F.A.Ali, L.Atar, G.C.Ball, N.Bernier, S.S.Bhattcharjee, R.Caballero-Folch, M.Bowry, A.Chester, R.Coleman, T.Drake, E.Dunling, A.B.Garnsworthy, B.Greaves, G.F.Grinyer, G.Hackman, E.Kasanda, R.LaFleur, S.Masango, D.Muecher, C.Ngwetsheni, S.S.Ntshangase, B.Olaizola, J.N.Orce, T.Rockman, Y.Saito, L.Sexton, P.Siuryte, J.Smallcombe, J.K.Smith, C.E.Svensson, E.Timakova, R.Wadsworth, J.Williams, M.S.C.Winokan, C.Y.Wu, T.Zidar

Coulomb excitation of 80, 82Kr and a change in structure approaching N=Z=40

NUCLEAR REACTIONS 196Pt, 208Pb(80Kr, 80Kr'), (82Kr, 82Kr'), E=4.17 MeV/nucleon from TRIUMF offline ion source (OLIS) and ISAC accelerator; measured Eγ, Iγ, (particle)γ-coin using TIGRESS array for γ rays, and double-sided silicon strip detectors for scattered beam- and target-like nuclei. 80,82Kr; deduced levels, J, π, Coulomb-excitation yields, and analyzed using GOSIA coupled-channels code, E2 and M1 matrix elements, B(E2) and B(M1), and spectroscopic quadrupole moments for the first 2+ and 4+ states; analyzed rotational invariants, and covariances and correlations on matrix elements. Comparison with previous experimental data for E2 matrix element and B(E2) values. Systematics of B(E2) and quadrupole moments of 74,76,78,80,82,84Kr, and those of cos(3δ) parameters for the first 2+ states in 66,68,70,72Zn, 70,72,74,76,78Ge, 72,74,76,78,80Se, 74,76,78,80,82Kr, 76,78,80,82,84Sr, and compared with expected values for an axially symmetric rotor.

doi: 10.1103/PhysRevC.104.044313
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2021OR05      Phys.Rev. C 104, L061305 (2021)

J.N.Orce, E.J.Martin Montes, K.J.Abrahams, C.Ngwetsheni, B.A.Brown, M.Kumar Raju, C.V.Mehl, M.J.Mokgolobotho, E.H.Akakpo, D.L.Mavela, P.Adsley, R.A.Bark, N.Bernier, T.D.Bucher, N.R.Erasmus, T.S.Dinoko, P.M.Jones, N.Y.Kheswa, N.A.Khumalo, E.A.Lawrie, J.J.Lawrie, B.L.Lesch, S.N.T.Majola, S.S.Ntshangase, P.Papka, V.Pesudo, B.Rebeiro, O.Shirinda, M.Wiedeking, W.Yahia-Cherif

Reorientation-effect measurement of the < 2+1 Ε2 2+1 > matrix element in 36Ar

NUCLEAR REACTIONS 194Pt(36Ar, 36Ar), E=134.2 MeV; measured Eγ, Iγ, γ(θ), (particle)γ-coin using AFRODITE array of eight HPGe clover detectors coupled to an annular, double-sided silicon detector at iThemba LABS; analyzed Coulomb excitation yields using semiclassical coupled-channel Coulomb-excitation least-squares code GOSIA. 36Ar; deduced E2 matrix element and B(E2) for the first 2+ state, diagonal E2 matrix element and spectroscopic quadrupole moment for the first 2+ state.Systematics of Q(for first 2+)/B(E2) for first 2+ in 20Ne, 24Mg, 28Si, 32S, 36Ar.

NUCLEAR MOMENTS 36Ar; measured spectroscopic quadrupole moment of the first excited 2+ state by reorientation-effect in Coulomb excitation using 194Pt(36Ar, 36Ar), E=134.2 MeV, and analyzing Coulomb excitation yields using GOSIA code. Comparison with beyond mean-field and large-scale shell-model calculations, and with experimental spectroscopic quadrupole moments for the first 2+ states in 20Ne, 24Mg, 28Si, 32S, 36Ar.

doi: 10.1103/PhysRevC.104.L061305
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2020BU01      Phys.Rev.Lett. 124, 042503 (2020)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, K.Abrahams, M.Bowry, J.Cederkall, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, J.Konki, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Scheck, M.Seidlitz, T.M.Shneidman, B.Siebeck, J.Sinclair, J.F.Smith, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive 222Ra and 228Ra Beams

NUCLEAR REACTIONS 60Ni, 120Sn(222Ra, 222Ra'), (228Ra, 228Ra'), E=4.31 MeV/nucleon; measured reaction products, Eγ, Iγ. 222,228Ra; deduced γ-ray energies, dipole moments, quadrupole moments, E2 and E3 matrix elements, octupole collectivity.

doi: 10.1103/PhysRevLett.124.042503
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2020BU20      Nat. Commun. 11, 3560 (2020)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, J.Konki, M.Scheck, J.F.Smith, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, T.M.Shneidman, B.Siebeck, M.Seidlitz, J.Sinclair, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

Addendum: The observation of vibrating pear-shapes in radon nuclei

NUCLEAR REACTIONS 120Sn(222Rn, 222Rn'), E=4.23 MeV/nucleon; 120Sn(224Rn, 224Rn'), (226Rn, 226Rn'), E=5.08 MeV/nucleon; analyzed available data with updated computer codes. 222,224,226Rn; deduced additional γ-ray energies for high-spin transitions, J, π, level schemes, octupole-vibrational bands. Comparison with systematics of radon isotopes. Root analysis files.

doi: 10.1038/s41467-020-17309-y
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019BU29      Nat. Commun. 10, 2473 (2019)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, J.Konki, M.Scheck, J.F.Smith, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, T.M.Shneidman, B.Siebeck, M.Seidlitz, J.Sinclair, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

The observation of vibrating pear-shapes in radon nuclei

NUCLEAR REACTIONS 120Sn(222Rn, 222Rn'), E=4.23 MeV/nucleon; 120Sn(224Rn, 224Rn'), (226Rn, 226Rn'), E=5.08 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin., X-rays. 222,224,226Rn; deduced γ-ray energies, J, π, level schemes, octupole-vibrational bands, high-spin transitions. Comparison with systematics of radon isotopes. HIE-ISOLDE accelerator, Miniball spectrometer.

doi: 10.1038/s41467-019-10494-5
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1991WE06      Nucl.Phys. A526, 265 (1991)

R.Wervelman, K.Abrahams, H.Postma, J.G.L.Booten, A.G.M.van Hees

Nuclear Capture by 3He and the Production of Solar Hep-Neutrinos: Cross-section measurements and shell-model calculations

NUCLEAR REACTIONS 3He(n, γ), E=thermal, 24.5 keV; measured capture σ. Enriched target. Shell model calculations for 3He(n, γ), (p, e+, ν(e)), meson exchange currents.

doi: 10.1016/0375-9474(91)90287-G
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22230.


1989WE07      Nucl.Sci.Eng. 102, 428 (1989)

R.Wervelman, H.Postma, K.Abrahams, F.Stecher-Rasmussen, G.J.Davids, G.J.C.Bots

Cross-Section Measurement of the 3He(n, γ) Reaction at En = 24.5 keV

NUCLEAR REACTIONS 3He(n, γ), E=24.5 keV; measured capture σ.

doi: 10.13182/NSE89-A23653
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22139.


1988AB04      J.Phys.(London) G14, Supplement S373 (1988)

K.Abrahams, M.W.Konijnenberg, J.Kopecky, F.Stecher-Rasmussen, R.Wervelman

Meson Exchange Currents in Few-Nucleon Systems and Radiative Capture of Neutrons

NUCLEAR REACTIONS 2H(polarized n, γ), E not given; measured γ CP vs Eγ.

doi: 10.1088/0305-4616/14/S/037
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1988KO07      Phys.Lett. 205B, 215 (1988)

M.W.Konijnenberg, K.Abrahams, J.Kopecky, F.Stecher-Rasmussen, R.Wervelman, J.H.Koch

Evidence for Meson-Exchange Currents in the Radiative Thermal Neutron Capture by Deuterium Nuclei

NUCLEAR REACTIONS 2H(polarized n, γ), E=thermal; measured γ CP; deduced meson exchange current role.

doi: 10.1016/0370-2693(88)91652-8
Citations: PlumX Metrics


1986DE25      Phys.Lett. 180B, 4 (1986)

F.W.N.De Boer, K.Abrahams, A.Balanda, H.Bokemeyer, R.van Dantzig, J.F.W.Jansen, B.Kotlinski, M.J.A.De Voigt, J.van Klinken

Search for Short-Lived Axions in a Nuclear Isoscalar Transition

NUCLEAR REACTIONS 10B(p, p'), E=7 MeV; measured Eγ, Iγ, pair spectra. 10B transition deduced no axion events. Fourfold mini-orange spectrometer.

doi: 10.1016/0370-2693(86)90123-1
Citations: PlumX Metrics


1986KO19      Z.Phys. A324, 271 (1986)

P.J.J.Kok, J.B.M.de Haas, K.Abrahams, H.Postma, W.J.Huiskamp

Investigation of Excited States of 11B and 7Li by Means of Thermal Neutron Capture on 10B Nuclei

NUCLEAR REACTIONS 10B(n, γ), E=thermal; measured Eγ, Iγ; deduced σ. 11B deduced neutron binding energy, transition energies. 10B(n, α), (polarized n, α), E=0.088 eV; measured residual nucleus anisotropy, γ(θ), oriented nuclei. 11B deduced J=(7/2)+, J=(5/2)+ state relative importance, interference effects role.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23486.


1985KO47      Nucl.Instrum.Methods Phys.Res., B12, 325 (1985)

P.J.J.Kok, K.Abrahams, H.Postma, W.J.Huiskamp

Investigation of Excited States of 7Li by Means of Thermal Neutron Capture

NUCLEAR REACTIONS 6Li(n, γ), E=thermal; measured Eγ, Iγ following capture; deduced Q. 7Li deduced transitions, level T1/2.

doi: 10.1016/0168-583X(85)90029-1
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1984DE15      Nucl.Phys. A419, 101 (1984)

J.B.M.De Haas, K.Abrahams, T.A.A.Tielens, H.Postma, W.J.Huiskamp

The 51V(n, γ)52V Reaction Studied with Polarized Neutrons and Polarized Vanadium Nuclei

NUCLEAR REACTIONS 51V(polarized n, γ), E=thermal; measured Eγ, γ CP, Iγ(θ, H, T); deduced Q. 52V levels deduced J. Natural polarized target.

doi: 10.1016/0375-9474(84)90287-2
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1983TI02      Nucl.Phys. A403, 13 (1983)

T.A.A.Tielens, J.Kopecky, K.Abrahams, P.M.Endt

The Reaction 23Na(n, γ)24Na Studied with Unpolarized and Polarized Thermal Neutrons

NUCLEAR REACTIONS 23Na(n, γ), (polarized n, γ), E=thermal; measured Eγ, Iγ, γ CP; deduced (B(n)). 24Na deduced levels, γ-branching, J, π. Natural targets.

doi: 10.1016/0375-9474(83)90184-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21862.


1982TI02      Nucl.Phys. A376, 421 (1982)

T.A.A.Tielens, J.Kopecky, F.Stecher-Rasmussen, W.Ratynski, K.Abrahams, P.M.Endt

Investigation of the 45Sc(n, γ) Reaction

NUCLEAR REACTIONS 45Sc(n, γ), E=thermal; measured Eγ, Iγ; deduced Q-value. 46Sc deduced levels J, π, γ-branching.

doi: 10.1016/0375-9474(82)90121-X
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1981DE04      Nucl.Phys. A352, 125 (1981)

J.De Boer, K.Abrahams, J.Kopecky, P.M.Endt

Investigation of the 31P(n(pol), γ)32P Reaction

NUCLEAR REACTIONS 31P(polarized n, γ), E=thermal; measured CP for γ-rays. 32P levels deduced J, channel spin mixing, δ.

doi: 10.1016/0375-9474(81)90563-7
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1980DE19      Nucl.Phys. A341, 21 (1980)

P.P.J.Delheij, A.Girgin, K.Abrahams, H.Postma, W.J.Huiskamp

The 27Al(n, γ)28Al Reaction Studied with Polarized Neutrons and Polarized Aluminium Nuclei

NUCLEAR REACTIONS 27Al(polarized n, γ), E=0.017 eV; measured Iγ(θ), γ-CP. 28Al levels deduced J, δ. Natural polarized, unpolarized targets.

doi: 10.1016/0375-9474(80)90359-0
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1980DE20      Nucl.Phys. A341, 45 (1980)

P.P.J.Delheij, K.Abrahams, W.J.Huiskamp, H.Postma

The 55Mn(n, γ)56Mn Reaction Studied with Polarized Neutrons and Polarized Manganese Nuclei

NUCLEAR REACTIONS 55Mn(polarized n, γ), E=0.017 eV; measured Iγ(θ), γ-CP. 56Mn levels deduced J. Natural polarized, unpolarized targets.

doi: 10.1016/0375-9474(80)90360-7
Citations: PlumX Metrics


1973KO16      Nucl.Phys. A215, 54 (1973)

J.Kopecky, F.Stecher-Rasmussen, K.Abrahams

A Study of the Cu(n, γ) Reaction

NUCLEAR REACTIONS Cu(polarized n, γ), E=thermal; measured γ-CP; 64,66Cu levels deduced J. Natural target.

doi: 10.1016/0375-9474(73)90100-0
Citations: PlumX Metrics


1973KO27      Nucl.Phys. A215, 45 (1973)

J.Kopecky, K.Abrahams, F.Stecher-Rasmussen

The 57Fe(n, γ)58Fe Reaction

NUCLEAR REACTIONS 57Fe(polarized n, γ), E=thermal; measured Eγ, Iγ, γ-CP; deduced Q; 58Fe levels deduced J. Enriched target.

doi: 10.1016/0375-9474(73)90099-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset20539.


1972KO15      Nucl.Phys. A188, 535 (1972)

J.Kopecky, K.Abrahams, F.Stecher-Rasmussen

Study of the (n, γ) Reaction in the Mass Region A = 50 - 63

NUCLEAR REACTIONS 50Cr, 52Cr, 54Fe, 60Ni, 62Ni(polarized n, γ);E= thermal; measured Eγ, Iγ, γ-CP; deduced Q. 51Cr, 53Cr, 55Fe, 61Ni, 63Ni levels deduced J. Enriched targets.

doi: 10.1016/0375-9474(72)90218-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset20226.


1972OP02      Phys.Lett. 39B, 204 (1972)

A.M.F.Op den Kamp, J.Kopecky, F.Stecher-Rasmussen, K.Abrahams, P.M.Endt

Interference of the Two Spin Components of the Capture State in the (n, γ) Reaction

NUCLEAR REACTIONS 39K(n, γ), E=thermal; measured γ-CP; deduced interference of 2 spin components in capture state.

doi: 10.1016/0370-2693(72)90776-9
Citations: PlumX Metrics


1972ST04      Nucl.Phys. A181, 225 (1972)

F.Stecher-Rasmussen, K.Abrahams, J.Kopecky

Circular Polarization of Neutron Capture γ-Rays from Al, Ar and Ca

NUCLEAR REACTIONS 27Al, 40Ar, 40,44Ca(polarized n, γ);E=thermal; measured γ-CP. 28Al, 41Ar, 41,45Ca levels deduced J, π. 28Al transition deduced γ-mixing. Natural targets.

doi: 10.1016/0375-9474(72)90915-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset20539.


1972ST05      Nucl.Phys. A181, 241 (1972)

F.Stecher-Rasmussen, K.Abrahams, J.Kopecky

A Study of the 59Co(n, γ)60Co Reaction with Polarized Thermal Neutrons

NUCLEAR REACTIONS 59Co(polarized n, γ);E=thermal; measured γ-CP. 60Co levels deduced J, π. Natural target.

doi: 10.1016/0375-9474(72)90916-5
Citations: PlumX Metrics


1972ST06      Nucl.Phys. A181, 250 (1972)

F.Stecher-Rasmussen, J.Kopecky, K.Abrahams, W.Ratynski

Circular Polarization of Neutron Capture γ-Rays from Mn, Ni, Ga and W

NUCLEAR REACTIONS 55Mn, 58,60,62Ni, 69,71Ga, 182,183,186W(polarized n, γ), E=thermal; measured γ-CP. 56Mn, 59,61,63Ni, 70,72Ga, 183,184,187W levels deduced J, π. Natural targets.

doi: 10.1016/0375-9474(72)90917-7
Citations: PlumX Metrics


1970AB09      Phys.Lett. 32B, 605 (1970)

K.Abrahams, J.Kopecky, F.Stecher-Rasmussen

Negative Energy Resonances and Potential Capture in the 59Co(n, γ) Reaction

NUCLEAR REACTIONS 59Co(polarized n, γ), E=thermal; measured γ-circular polarization. 60Co deduced negative energy resonance, level-width.

doi: 10.1016/0370-2693(70)90556-3
Citations: PlumX Metrics


1969AB03      Nucl.Phys. A124, 34 (1969)

K.Abrahams, W.Ratynski

Circular Polarization of γ-Radiation After Capture of Polarized Thermal Neutrons

NUCLEAR REACTIONS 39K, 40Ca, 48Ti, 59Co, 113Cd, 207Pb(n, γ), E=thermal; measured Pγ, Eγ. 40K, 41Ca, 49Ti, 60Co, 114Cd, 208Pb, deduced levels, J, delta. Natural targets, Ge(Li) detector.

doi: 10.1016/0375-9474(69)90519-3
Citations: PlumX Metrics


1966AB03      Proc.Intern.Conf.Study of Nucl.Struct.with Neutrons, Antwerp, Belgium (1965), M.N.De Mevergnies, P.Van Assche, J.Vervier, Eds., North-Holland Publishing Co., Amsterdam, p.510 (1966); EANDC-50-S, Paper 41

K.Abrahams, W.Ratynski, F.Stecher-Rasmussen, E.Warming

Circular Polarization of Capture γ-Rays from H, S, Ca, Ni, Cd and Pb

NUCLEAR STRUCTURE 208Pb, 114Cd, 2H, 41Ca, 59Ni, 61Ni, 33S; measured not abstracted; deduced nuclear properties.


1964AB15      Compt.Rend.Congr.Intern.Phys.Nucl., Paris, P.Gugenberger, Ed., Centre National de la Recherche Scintifique, Paris, Vol.II, p.420(1964)

K.Abrahams, A.Tveter

γγ Angular Correlation Measurements of Thermal Neutron Capture γ-Rays in Calcium


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