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NSR database version of April 25, 2024.

Search: Author = M.A.Hofstee

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2001HO23      Nucl.Phys. A688, 527c (2001)

M.A.Hofstee, A.K.Pallone, F.E.Cecil, J.A.McNeil, C.S.Galovich

Measurement of Low Energy (d, n) Reactions on Light Nuclei Important to Astrophysics

NUCLEAR REACTIONS ²H, ^6,7Li, ⁹Be, ^10,11B(d, n), E=24-111 keV; measured σ, S-factor. Comparison with earlier data.

doi: 10.1016/S0375-9474(01)00777-1
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1511.

2001SO04      Nucl.Phys. A683, 79 (2001)

P.-O.Soderman, A.Ringbom, J.Blomgren, N.Olsson, L.Nilsson, J.A.Bordewijk, S.Brandenburg, G.van't Hof, M.A.Hofstee, H.van der Ploeg, S.Y.van der Werf, A.Krasznahorkay, A.Balanda, D.Chmielewska, H.Laurent

Neutron Decay of Deep Hole States and Isobaric Analog States in ¹¹⁵Sn Populated by the (³He, α) Reaction at 102 MeV

NUCLEAR REACTIONS ¹¹⁶Sn(³He, α), E=102 MeV; measured Eα, neutron spectra following residual nucleus decay, nα angular correlations. ¹¹⁵Sn deduced branching ratios for neutron decay from deep hole states and IAS. Comparison with statistical model calculations.

doi: 10.1016/S0375-9474(00)00469-3
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2000BB04      Phys.Rev. C62, 055804 (2000)

D.W.Bardayan, J.C.Blackmon, C.R.Brune, A.E.Champagne, A.A.Chen, J.M.Cox, T.Davinson, V.Y.Hansper, M.A.Hofstee, B.A.Johnson, R.L.Kozub, Z.Ma, P.D.Parker, D.E.Pierce, M.T.Rabban, A.C.Shotter, M.S.Smith, K.B.Swartz, D.W.Visser, P.J.Woods

The Astrophysically Important 3⁺ State in ¹⁸Ne and the ¹⁷F(p, γ)¹⁸Ne Stellar Rate

NUCLEAR REACTIONS ¹H(¹⁷F, ¹⁷F), (¹⁷F, p), E=9-12 MeV; measured recoil proton spectra, angular distributions, (proton)(fluorine)-coin. ¹⁸Ne; deduced resonance J, π. ¹⁷F(p, γ), E not given; calculated astrophysical reaction rates. ¹H(¹⁷O, ¹⁷O), E=10.1, 12.2 MeV; measured proton angular distributions. Silicon detector array.

doi: 10.1103/PhysRevC.62.055804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0759.

1999BA49      Phys.Rev.Lett. 83, 45 (1999)

D.W.Bardayan, J.C.Blackmon, C.R.Brune, A.E.Champagne, A.A.Chen, J.M.Cox, T.Davinson, V.Y.Hansper, M.A.Hofstee, B.A.Johnson, R.L.Kozub, Z.Ma, P.D.Parker, D.E.Pierce, M.T.Rabban, A.C.Shotter, M.S.Smith, K.B.Swartz, D.W.Visser, P.J.Woods

Observation of the Astrophysically Important 3⁺ State in ¹⁸Ne via Elastic Scattering of a Radioactive ¹⁷F Beam from ¹H

NUCLEAR REACTIONS ¹H(¹⁷F, ¹⁷F), E ≈ 10-12 MeV; measured proton yields, (proton)(fluorine)-coin. ¹⁸Ne deduced resonance energy, width. ¹⁷F(p, γ), E not given; calculated resonance contribution to proton capture rate. Astrophysical implications discussed.

doi: 10.1103/PhysRevLett.83.45
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0184.

1997YA02      Phys.Rev. C55, 1890 (1997)

J.Yan, F.E.Cecil, J.A.McNeil, M.A.Hofstee, P.D.Kunz

Deuteron-Induced Reactions on ⁹Be, ¹⁰B, and ¹¹B at Low Energies

NUCLEAR REACTIONS, ICPND ⁹Be(d, p), (d, α), E(cm)=57-139 keV; ¹⁰B(d, p), (d, α), E(cm)=67-141 keV; ¹¹B(d, p), (d, α), E(cm)=76-144 MeV; ⁹Be(d, t), E(cm)=57-139 MeV; measured energy spectra, σ(θ); deduced σ, astrophysical S-factor vs E.

doi: 10.1103/PhysRevC.55.1890
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0452.

1997YA08      Nucl.Phys. A621, 127c (1997)

J.Yan, F.E.Cecil, J.A.McNeil, M.A.Hofstee

Measurement of Astrophysical S-Factors for Deuteron-Induced Reactions on ⁷Li, ⁹Be, ¹⁰B, and ¹¹B at Low Energies

NUCLEAR REACTIONS, ICPND ⁷Li(d, nα), (d, α), E(cm)=30-130 keV; ⁹Be, ^10,11B(d, p), (d, α), E(cm)=57-141 keV; ⁹Be(d, t), E(cm)=57-139 keV; measured astrophysical S-factors.

doi: 10.1016/S0375-9474(97)00223-6
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0452.

1996BL10      Phys.Rev. C54, 383 (1996)

J.C.Blackmon, A.E.Champagne, J.K.Dickens, J.A.Harvey, M.A.Hofstee, S.Kopecky, D.C.Larson, D.C.Powell, S.Raman, M.S.Smith

Measurement of ⁷Li(n, γ₀)⁸Li Cross Sections at E(n) = 1.5-1340 eV

NUCLEAR REACTIONS ⁷Li(n, γ), E=1.5-1340 eV; measured Eγ, Iγ, γ yield, absolute σ(E); deduced s-wave evidence, normalization relative to ¹⁰B(n, αγ) reaction.

doi: 10.1103/PhysRevC.54.383
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13625.

1996PO12      Nucl.Phys. A601, 1 (1996)

V.Yu.Ponomarev, M.Pignanelli, N.Blasi, A.Bontempi, J.A.Bordewijk, R.De Leo, G.Graw, M.N.Harakeh, D.Hofer, M.A.Hofstee, S.Micheletti, R.Perrino, S.Y.van der Werf

Particle-Hole and Particle-Particle Correlations in Neodymium Isotopes

NUCLEAR REACTIONS ^142,144,146Nd(p, t), E=35.6 MeV; ¹⁴⁸Nd(p, t), E=25 MeV; measured σ(θ). ^{140,142,144,146}Nd deduced levels, J, π. Enriched targets. Comparision with microscopic calculations.

doi: 10.1016/0375-9474(95)00504-8
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1995BL07      Phys.Rev.Lett. 74, 2642 (1995)

J.C.Blackmon, A.E.Champagne, M.A.Hofstee, M.S.Smith, R.G.Downing, G.P.Lamaze

Measurement of the ¹⁷O(p, α)¹⁴N Cross Section at Stellar Energies

NUCLEAR REACTIONS ¹⁷O(p, α), E=65, 75 keV; measured σ, stellar energies. ¹⁸F deduced resonance, Γp.

doi: 10.1103/PhysRevLett.74.2642
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2708.

1995HO10      Nucl.Phys. A588, 729 (1995)

M.A.Hofstee, S.Y.van der Werf, A.M.van den Berg, N.Blasi, J.A.Bordewijk, W.T.A.Borghols, R.De Leo, G.T.Emery, S.Fortier, S.Gales, M.N.Harakeh, P.den Heijer, C.W.de Jager, H.Langevin-Joliot, S.Micheletti, M.Morlet, M.Pignanelli, J.M.Schippers, H.de Vries, A.Willis, A.van der Woude

Localized 1(h-bar x Omega) Particle-Hole Strength in Nuclei

NUCLEAR REACTIONS ⁹⁰Zr, ¹¹⁶Sn, ¹⁹⁶Pt, ²⁰⁸Pb(p, p'), E=201 MeV; ¹¹⁶Sn(polarized p, p'), E=133.8 MeV; ⁹⁰Zr, ¹¹⁶Sn, ¹⁹⁶Pt(α, α'), E=120 MeV; measured σ(θ). ¹¹⁶Sn, ¹⁹⁶Pt(e, e'), E=278, 333 MeV; measured form factors. ⁹⁰Zr, ¹¹⁶Sn, ¹⁹⁶Pt, ²⁰⁸Pb deduced 0, 1(h-bar x omega) strength distribution. DWBA calculation, effective NN-force.

doi: 10.1016/0375-9474(95)00057-8
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1995HO25      Nucl.Instrum.Methods Phys.Res. B99, 346 (1995)

M.A.Hofstee, J.C.Blackmon, A.E.Champagne, N.P.T.Bateman, P.D.Parker, K.Yildiz, B.M.Young, R.B.Vogelaar, M.S.Smith, A.J.Howard

Investigating the Astrophysically Important E(x) = 2.646 MeV State in ²⁰Na

NUCLEAR REACTIONS ²⁰Ne(³He, t), E=27 MeV; measured triton spectra, tγ-coin. ²⁰Na level deduced Γγ/Γ.

doi: 10.1016/0168-583X(95)00307-X
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1995SO05      Nucl.Phys. A587, 55 (1995)

P.-O.Soderman, J.Blomgren, A.Ringbom, N.Olsson, L.Nilsson, J.A.Bordewijk, S.Brandenburg, G.van't Hof, M.A.Hofstee, H.van der Ploeg, S.Y.van der Werf, A.Krasznahorkay, A.Balanda, D.Chmielewska, H.Laurent

Neutron Decay of Deep-Hole States in ⁸⁹Zr Populated by the ⁹⁰Zr(³He, α)⁸⁹Zr Reaction at 102 MeV

NUCLEAR REACTIONS ⁹⁰Zr(³He, α), E=102 MeV; measured α-spectra, αn-coin. ⁸⁹Zr deduced neutron decay of hole states. Statistical model calculations.

doi: 10.1016/0375-9474(94)00818-8
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1994BO22      Nucl.Phys. A574, 453 (1994)

J.A.Bordewijk, A.Balanda, D.Beaumel, J.Blomgren, S.Brandenburg, G.van't Hof, M.N.Harakeh, M.A.Hofstee, J.Janecke, A.Krasznahorkay, H.Laurent, L.Nilsson, N.Olsson, R.Perrino, R.Siebelink, P.O.Soderman, S.Y.van der Werf, A.van der Woude

Neutron Decay of the Isobaric Analog State in ²⁰⁸Bi

NUCLEAR REACTIONS ²⁰⁸Pb(³He, t), E=61.2 MeV; measured neutron spectra. ²⁰⁸Bi deduced neutron spectrum from IAS decay, branching ratio. Statistical-decay calculations, isospin impurity. Magnetic spectrograph, neutron time-of-flight multi-detector.

doi: 10.1016/0375-9474(94)90239-9
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1994SO13      Nucl.Phys. A576, 215 (1994)

P.-O.Soderman, J.Blomgren, A.Ringbom, N.Olsson, L.Nilsson, J.A.Bordewijk, S.Brandenburg, G.van't Hof, M.A.Hofstee, H.van der Ploeg, S.Y.van der Werf, A.van der Woude, A.Krasznahorkay, A.Balanda, D.Chmielewska, H.Laurent

Neutron Decay of Deep-Hole States Populated by the ²⁰⁸Pb(³He, α)²⁰⁷Pb Reaction at 102 MeV

NUCLEAR REACTIONS ²⁰⁸Pb(³He, α), E=102 MeV; measured nα(θ) following neutron decay of hole states; deduced nonstatistical decay branching. Comparison with statistical-model calculations. Tof.

doi: 10.1016/0375-9474(94)90258-5
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1993PI06      Nucl.Phys. A559, 1 (1993)

M.Pignanelli, N.Blasi, J.A.Bordewijk, R.De Leo, M.N.Harakeh, M.A.Hofstee, S.Micheletti, R.Perrino, V.Yu.Ponomarev, V.G.Soloviev, A.V.Sushkov, S.Y.van der Werf

Strength Distribution in Neodymium Isotopes: A test of collective nuclear models

NUCLEAR REACTIONS ^{142,144,146,148,150}Nd(p, p'), E=30.5 MeV; ¹⁴⁴Nd(p, p'), E=51 MeV; ^{142,144,146,148,150}Nd(d, d'), E=50.8 MeV; measured σ(Ep, θ), σ(Ed, θ). ^{142,144,146,148,150}Nd deduced levels, J, π, B(λ). Enriched targets.

doi: 10.1016/0375-9474(93)90178-Z
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1992AN15      Nucl.Phys. A550, 235 (1992)

E.Andersen, H.Helstrup, G.Lovhoiden, T.F.Thorsteinsen, M.Guttormsen, S.Messelt, T.S.Tveter, M.A.Hofstee, J.M.Schippers, S.Y.van der Werf

Helium-Induced One-Neutron Transfer to Levels in ¹⁶²Dy

NUCLEAR REACTIONS ¹⁶¹Dy(α, ³He), ¹⁶³Dy(³He, α), E=50 MeV; measured E(³He), Eα, σ(θ). ¹⁶²Dy deduced levels, J, π. Nilsson model.

doi: 10.1016/0375-9474(92)90681-9
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1992PI08      Nucl.Phys. A540, 27 (1992)

M.Pignanelli, N.Blasi, S.Micheletti, R.De Leo, L.LaGamba, R.Perrino, J.A.Bordewijk, M.A.Hofstee, J.M.Schippers, S.Y.van der Werf, J.Wesseling, M.N.Harakeh

Hexadecapole Strength Distributions of Vibrational Nuclei in the A = 100 Mass Region

NUCLEAR REACTIONS ^94,98,100Mo, ^104,106,110Pd, ^110,112Cd(p, p'), E=30.7 MeV; ^94,98,100Mo, ^104,106,110Pd, ^110,112Cd(d, d'), E=50.7 MeV; ¹⁰⁰Mo, ¹¹⁰Pd(p, p'), E=51 MeV; ¹¹²Cd(p, p'), E=60 MeV; measured σ(Ep', θ), σ(Ed', θ). ^94,98,100Mo, ^104,106,110Pd, ^110,112Cd deduced levels, J, π, B(λ). Enriched targets.

doi: 10.1016/0375-9474(92)90192-M
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1992SC20      Nucl.Phys. A548, 271 (1992)

J.M.Schippers, W.T.A.Borghols, M.A.Hofstee, R.F.Noorman, J.M.Schreuder, S.Y.van der Werf, N.Blasi

A High Resolution Study of Stretched-Spin States in ¹¹⁶Sn with the ¹¹⁵In(³He, d)¹¹⁶Sn and ¹¹⁵In(α, tγ)¹¹⁶Sn Reactions

NUCLEAR REACTIONS ¹¹⁵In(³He, d), E=50 MeV; ¹¹⁵In(α, t), E=65 MeV; measured σ(θ). ¹¹⁵In(α, tγ), E=65 MeV; measured tγ-coin. ¹¹⁶Sn deduced levels, J, π, spectroscopic factors, stretched-spin states. Comparison with model calculations.

doi: 10.1016/0375-9474(92)90012-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1644.

1991JA04      Nucl.Phys. A526, 1 (1991)

J.Janecke, F.D.Becchetti, A.M.van den Berg, G.P.A.Berg, G.Brouwer, M.B.Greenfield, M.N.Harakeh, M.A.Hofstee, A.Nadasen, D.A.Roberts, R.Sawafta, J.M.Schippers, E.J.Stephenson, D.P.Stewart, S.Y.van der Werf

Non-Spin-Flip (³He, t) Charge-Exchange and Isobaric Analog States of Actinide Nuclei Studied at θ = 0°, E(³He) = 76 MeV and 200 MeV

NUCLEAR REACTIONS ¹²C, ¹⁶O, ²⁷Al, ²⁸Si, Ta, ^230,232Th, ^234,236,238U(³He, t), E=76.5 MeV; ^12,13C, ¹⁶O, ¹⁹F, ^28,29Si, ⁹⁰Zr, ^117,120Sn, Ta, W, ¹⁹⁷Au, ²⁰⁸Pb, ^230,232Th, ^234,238U, ²⁴⁴Pu(³He, t), E=200 MeV; measured σ(Et); ¹²⁰Sn(³He, t), E=200 MeV; measured σ(θt) for IAS; ^230,232Th, ^234,236,238U(³He, tp), E=76.5 MeV; measured proton decay from IAS, σ(Et, Ep, θt, θp); deduced Q-values for transitions to IAS. ⁹⁰Nb, ¹¹⁷Sb, ¹²⁰Sn, ¹⁸¹W, ¹⁸⁴Re, ¹⁹⁷Hg, ²⁰⁸Pb, ^230,232Pa, ^234,236,238Np, ²⁴⁴Am deduced Coulomb displacement energies, total widths Γ, escape widths, spreading widths of IAS. Non-spin-flip charge exchange effective interaction. Enriched and long-lived radioactive targets, magnetic spectrometers.

doi: 10.1016/0375-9474(91)90295-H
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0385.

1991KR09      Phys.Rev.Lett. 66, 1287 (1991)

A.Krasznahorkay, J.Bacelar, J.A.Bordewijk, S.Brandenburg, A.Buda, G.van't Hof, M.A.Hofstee, S.Kato, T.D.Poelhekken, S.Y.van der Werf, A.van der Woude, M.N.Harakeh, N.Kalantar-Nayestanaki

Excitation of the Isovector Giant Dipole Resonance by Inelastic α Scattering and the Neutron Skin of Nuclei

NUCLEAR REACTIONS ^116,124Sn, ²⁰⁸Pb(α, α'γ), E=120 MeV; measured αγ-coin, Iγ(θ), σ(θα, Eα); deduced GDR excitation σ, form factor dependence on n, p radii.

doi: 10.1103/PhysRevLett.66.1287
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1990PI14      Nucl.Phys. A519, 567 (1990)

M.Pignanelli, N.Blasi, S.Micheletti, R.De Leo, M.A.Hofstee, J.M.Schippers, S.Y.van der Werf, M.N.Harakeh

Octupole Excitations in Vibrational Nuclei and the sdf Interacting Boson Model

NUCLEAR REACTIONS ^98,100Mo, ^104,106,110Pd, ^110,112Cd, ^146,150Nd, ¹⁵⁰Sm(p, p'), E=30.7 MeV; ^98,100Mo, ^104,106,110Pd, ^110,112Cd, ^146,150Nd, ¹⁵⁰Sm(d, d'), E=50.7 MeV; ¹⁰⁰Mo, ¹¹⁰Pd(p, p'), E=51 MeV; ¹¹²Cd, ¹⁵⁰Sm(p, p'), E=60 MeV; measured σ(Ep, θ), σ(Ed, θ). ^98,100Mo, ^104,106,110Pd, ^146,150Nd, ¹⁵⁰Sm deduced levels, J, π, B(λ). Enriched targets.

doi: 10.1016/0375-9474(90)90447-T
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0679.

1990WO11      Nucl.Phys. A518, 496 (1990)

P.Woldt, P.Grabmayr, G.Rau, G.J.Wagner, M.A.Hofstee, J.M.Schippers, S.Y.Van der Werf, H.Nann

Testing a Sum-Rule Approach to Occupation Numbers by the ²⁰⁵Tl(³He, d)²⁰⁶Pb Reaction

NUCLEAR REACTIONS ²⁰⁵Tl(³He, d), E=50.9 MeV; measured σ(θ). ²⁰⁶Pb levels, deduced J, π, spectroscopic factors. Sum rule analysis.

doi: 10.1016/0375-9474(90)90142-9
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