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Search: Author = L.Lapikas

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2018AT02      Phys.Rev. C 98, 044627 (2018)

M.C.Atkinson, H.P.Blok, L.Lapikas, R.J.Charity, W.H.Dickhoff

Validity of the distorted-wave impulse-approximation description of 40Ca(e, e'p)39K data using only ingredients from a nonlocal dispersive optical model

NUCLEAR REACTIONS 40Ca(e, e'p)39K, E=299-532 MeV; measured Ep, Ip, electron spectra, spectral strengths as function of excitation energy, and spectral functions in parallel kinematics using high-resolution magnetic spectrometers for charged particle detection at the Medium Energy Accelerator at Nikhef, Amsterdam. Comparison with calculations using dispersive optical model (DOM) for distorted wave impulse-approximation (DWIA). 39K; deduced levels, J, π, spectroscopic factors. 40Ca(p, p), (n, n), E=10-100 MeV; analyzed σ(θ, E) and analyzing powers Ay(θ, E) by nonlocal DOM description. 40Ca(p, X), E<200 MeV; analyzed σ(E) by nonlocal DOM description. 40Ca; analyzed charge density using the DOM propagator, and compared with experimental data.

doi: 10.1103/PhysRevC.98.044627
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2010TV01      Phys.Rev. C 81, 055207 (2010)

V.Tvaskis, J.Arrington, R.Asaturyan, O.K.Baker, H.P.Blok, P.Bosted, M.Boswell, A.Bruell, M.E.Christy, A.Cochran, R.Ent, B.W.Filippone, A.Gasparian, C.E.Keppel, E.Kinney, L.Lapikas, W.Lorenzon, D.J.Mack, J.Mammei, J.W.Martin, H.Mkrtchyan, I.Niculescu, R.B.Piercey, D.H.Potterveld, G.Smith, K.Spurlock, G.van der Steenhoven, S.Stepanyan, V.Tadevosian, S.A.Wood

Proton and deuteron F2 structure function at low Q2

doi: 10.1103/PhysRevC.81.055207
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2009MI18      Phys.Rev.Lett. 103, 152501 (2009)

D.G.Middleton, J.R.M.Annand, M.A.Antelo, C.Ayerbe, P.Barneo, D.Baumann, J.Bermuth, J.Bernauer, H.P.Blok, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.Garcia Llongo, D.I.Glazier, J.Golak, W.Glockle, P.Grabmayr, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, H.Kamada, G.J.Manas, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, K.Monstad, F.Moschini, U.Muller, A.Nogga, R.Perez-Benito, Th.Pospischil, M.Potokar, G.Rosner, M.Seimetz, R.Skibinski, H.de Vries, Th.Walcher, D.P.Watts, M.Weinriefer, M.Weiss, H.Witala, B.Zihlmann

Investigation of the Exclusive 3He(e, e'pn)1H Reaction

NUCLEAR REACTIONS 3He(e, e'np), E=220-270 MeV; measured Ee, Ie, Ep, Ip and En, In; deduced σ. Continuum Fadeev calculations.

doi: 10.1103/PhysRevLett.103.152501
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2008MI26      Few-Body Systems 44, 171 (2008)

D.G.Middleton, J.R.M.Annand, M.A.Antelo, C.Ayerbe, P.Barneo, D.Baumann, J.Bermuth, J.Bernauer, H.P.Blok, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.Garcia Llongo, D.I.Glazier, P.Grabmayr, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, G.J.Manas, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, K.Monstad, F.Moschini, U.Muller, R.Perez Benito, Th.Pospischil, M.Potokar, G.Rosner, M.Seimitz, H.de Vries, Th.Walcher, D.P.Watts, M.Weinriefer, M.Weiss, B.Zihlmann

3He(e, e'pp) and 3He(e, e'pn) reactions at AmPS and MAMI

NUCLEAR REACTIONS 3He(e, e'2p), (e, e'np), E not given; measured cross sections.

doi: 10.1007/s00601-008-0283-x
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2007IO04      Phys.Lett. B 653, 392 (2007)

M.Iodice, E.Cisbani, R.De Leo, S.Frullani, F.Garibaldi, D.L.Groep, W.H.A.Hesselink, E.Jans, L.Lapikas, C.J.G.Onderwater, R.Perrino, J.Ryckebusch, R.Starink, G.M.Urciuoli

16O(e, e'p) reaction at large missing energy

NUCLEAR REACTIONS 16O(e, e'p), E=575 MeV; measured σ(E, θ), missing energy dependence. Comparison with model calculations.

doi: 10.1016/j.physletb.2007.08.034
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2007TV01      Phys.Rev.Lett. 98, 142301 (2007)

V.Tvaskis, M.E.Christy, J.Arrington, R.Asaturyan, O.K.Baker, H.P.Blok, P.Bosted, M.Boswell, A.Bruell, A.Cochran, L.Cole, J.Crowder, J.Dunne, R.Ent, H.C.Fenker, B.W.Filippone, K.Garrow, A.Gasparian, J.Gomez, H.E.Jackson, C.E.Keppel, E.Kinney, L.Lapikas, Y.Liang, W.Lorenzon, A.Lung, D.J.Mack, J.W.Martin, K.McIlhany, D.Meekins, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.Moreland, V.Nazaryan, I.Niculescu, A.Opper, R.B.Piercey, D.H.Potterveld, B.Rose, Y.Sato, W.Seo, G.Smith, K.Spurlock, G.van der Steenhoven, S.Stepanyan, V.Tadevosian, A.Uzzle, W.F.Vulcan, S.A.Wood, B.Zihlmann, V.Ziskin

Longitudinal-Transverse Separations of Deep-Inelastic Structure Functions at Low Q2 for Hydrogen and Deuterium

NUCLEAR REACTIONS 1H(e, e'X), E=2.301, 3.419, 5.648 GeV; measured σ(E, θ), ratio of longitudinal, transverse σ.

doi: 10.1103/PhysRevLett.98.142301
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2006BL06      Phys.Rev. C 73, 038201 (2006)

H.P.Blok, L.Lapikas

A-dependence of hadronization in nuclei

NUCLEAR STRUCTURE 2H, 4He, 12C, 16O, 28Si, 40,48Ca, 84Kr, 118Sn, 132Xe, 208Pb; calculated mass dependence of hadronization mechanism.

doi: 10.1103/PhysRevC.73.038201
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2006MI22      Eur.Phys.J. A 29, 261 (2006); Erratum Eur.Phys.J. A 30, 469 (2006)

D.G.Middleton, J.R.M.Annand, C.Barbieri, P.Barneo, P.Bartsch, D.Baumann, J.Bermuth, D.Bosnar, H.P.Blok, R.Bohm, M.Ding, M.O.Distler, D.Elsner, J.Friedrich, C.Giusti, D.I.Glazier, P.Grabmayr, S.Grozinger, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, F.Klein, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, F.Moschini, U.Muller, Th.Pospischil, G.Rosner, H.Schmieden, M.Seimetz, A.Sule, H.de Vries, Th.Walcher, D.P.Watts, M.Weis, B.Zihlmann

First measurements of the 16O(e, e'pn)14N reaction

NUCLEAR REACTIONS 2H, 16O(e, e'np), E=855 MeV; measured particle spectra. 14N deduced excited states.

doi: 10.1140/epja/i2005-10314-9
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2005BA07      Phys.Lett. B 608, 47 (2005)

C.Barbieri, D.Rohe, I.Sick, L.Lapikas

Effect of kinematics on final state interactions in (e, e'p) reactions

NUCLEAR REACTIONS 12C, 197Au(e, e'p), E=high; calculated σ(E), final state interaction effects. Comparison of parallel and perpendicular kinematics.

doi: 10.1016/j.physletb.2004.12.072
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2005BA23      Eur.Phys.J. A 24, Supplement 1, 85 (2005)

C.Barbieri, L.Lapikas, D.Rohe

Two-step rescattering in (e, e'p) reactions

NUCLEAR REACTIONS 12C, 197Au, 208Pb(e, e'p), E=461, 674 MeV; calculated spectral functions, two-step rescattering contributions. Semiclassical approach.

doi: 10.1140/epjad/s2005-05-015-9
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2005MO04      Phys.Rev. C 71, 014607 (2005)

S.A.Morrow, J.Arneil, E.C.Aschenauer, M.F.van Batenburg, H.P.Blok, D.J.Boersma, D.Branford, T.Davinson, G.DeMeyer, J.E.Ducret, W.H.A.Hesselink, D.Groep, K.Hicks, D.G.Ireland, N.Kalantar-Nayestanaki, L.Lapikas, M.Liang, J.Mackenzie, C.Marchand, R.Medaglia, J.Ryckebusch, M.van Sambeek, R.Starink, G.van der Steenhoven, M.A.van Uden, H.de Vries

Comparison between the transverse responses of the reactions 12C(e, e'p)11B and 12C(γ, p)11B

NUCLEAR REACTIONS 12C(e, e'p), E=379-585 MeV; measured excitation energy spectra, momentum distributions; deduced longitudinal and transverse response functions. 12C(e, e'p), E=379-585 MeV; 12C(γ, p), E=61.8, 71.6 MeV; analyzed transverse reduced σ, role of two-body currents.

doi: 10.1103/PhysRevC.71.014607
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2005ST30      Phys.Rev.Lett. 95, 172501 (2005)

M.F.M.Steenbakkers, M.F.van Batenburg, Th.S.Bauer, H.P.Blok, T.Botto, G.E.Dodge, D.L.Groep, P.Heimberg, W.H.A.Hesselink, D.W.Higinbotham, E.Jans, Y.Jun, T.J.Ketel, L.Lapikas, D.J.J.de Lange, B.E.Norum, I.Passchier, R.Starink, L.Todor, H.de Vries

Quasifree π0 and π- Electroproduction on 4He in the Δ-Resonance Region

NUCLEAR REACTIONS 4He(e, e'pπ-), (e, e'pπ0), E=672 MeV; measured Ep, recoil spectra, σ(θ). Comparison with model predictions.

doi: 10.1103/PhysRevLett.95.172501
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2004BA99      Phys.Rev. C 70, 054612 (2004)

C.Barbieri, L.Lapikas

Effects of rescattering in (e, e'p) reactions within a semiclassical model

NUCLEAR REACTIONS 12C, 197Au, 208Pb(e, e'p), E=high; calculated reduced spectral strength, rescattering contribution to final state interactions.

doi: 10.1103/PhysRevC.70.054612
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2004BB15      Fizika(Zagreb) B 13, 185 (2004)

C.Barbieri, L.Lapikas, D.Rohe

Rescattering contributions to final state interactions in (e, e'p) reactions

NUCLEAR REACTIONS 12C(e, e'p), E=high; calculated spectral function, rescattering effects. Comparison with data.


2002MI41      Phys.Rev.Lett. 89, 172501 (2002)

A.Misiejuk, Z.Papandreou, E.Voutier, Th.S.Bauer, H.P.Blok, D.J.Boersma, H.W.den Bok, E.E.W.Bruins, F.Farzanpay, K.Gruner, W.H.A.Hesselink, G.M.Huber, E.Jans, N.Kalantar-Nayestanaki, W.J.Kasdorp, J.Konijn, J.M.Laget, L.Lapikas, G.J.Lolos, G.J.G.Onderwater, A.Pellegrino, R.Schroevers, C.M.Spaltro, R.Starink, G.van der Steenhoven, J.J.M.Steiger, J.L.Visschers, H.W.Willering, D.M.Yeomans

Electron-Induced Neutron Knockout from 4He

NUCLEAR REACTIONS 4He(e, e'n), E=586 MeV; measured σ(E, θ); deduced final state interaction effects.

doi: 10.1103/PhysRevLett.89.172501
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2002SP03      Nucl.Phys. A706, 403 (2002)

C.M.Spaltro, Th.S.Bauer, H.P.Blok, T.Botto, E.Cisbani, R.De Leo, G.E.Dodge, R.Ent, S.Frullani, F.Garibaldi, W.Glockle, J.Golak, M.N.Harakeh, M.Iodice, E.Jans, H.Kamada, W.J.Kasdorp, C.Kormanyos, L.Lapikas, A.Misiejuk, S.I.Nagorny, G.J.Nooren, C.J.G.Onderwater, R.Perrino, M.van Sambeek, R.Skibinski, R.Starink, G.van der Steenhoven, J.Tjon, M.A.van Uden, G.M.Urciuoli, H.de Vries, H.Witala, M.Yeomans

The 3He(e, e'd)p Reaction in (q, ω)-Constant Kinematics

NUCLEAR REACTIONS 3He(e, e'd), E=370, 576 MeV; measured σ(E, θ), missing momentum dependence; deduced structure functions, reaction mechanism features. Three-body Fadeev calculations.

doi: 10.1016/S0375-9474(02)00861-8
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2001BR01      Phys.Rev. C63, 014310 (2001)

D.Branford, A.W.Rauf, J.Lac, J.O.Adler, T.Davinson, D.G.Ireland, C.W.de Jager, M.Liang, W.J.Kasdorp, L.Lapikas, B.Nilsson, H.Ruijter, D.Ryckbosch, A.Sandell, B.Schroder, A.C.Shotter, G.van der Steenhoven, R.Van de Vyver, P.J.Woods

Electron- and Photon-Induced Proton Knockout from 209Bi

NUCLEAR REACTIONS 209Bi(e, e'p), E=293, 412 MeV; 209Bi(γ, p), E ≈ 43.7, 52.0 MeV; measured σ(E), σ(θ); deduced direct knockout, meson exchange contributions, other reaction mechanism features. DWIA analysis.

doi: 10.1103/PhysRevC.63.014310
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0874.


2001DE36      Phys.Lett. 513B, 258 (2001)

G.De Meyer, E.C.Aschenauer, H.P.Blok, D.Groep, K.Hicks, H.Holvoet, E.Jans, L.Lapikas, B.Lannoy, G.J.L.Nooren, C.J.G.Onderwater, D.Ryckbosch, J.D.Schipper, J.J.M.Steijger, M.F.M.Steenbakkers, M.Tytgat, G.van der Steenhoven, R.Van de Vyver, L.Van Hoorebeke, M.A.van Uden, J.Volmer

Alpha-Cluster Knockout in the 16O(e, e'α)12C Reaction

NUCLEAR REACTIONS 16O(e, e'α), E=615, 639 MeV; measured Eα, eα-coin, σ(E, θ). Comparison with shell-model and cluster-model calculations.

doi: 10.1016/S0370-2693(01)00750-X
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2001GR02      Phys.Rev. C63, 014005 (2001)

D.L.Groep, M.F.van Batenburg, Th.S.Bauer, H.P.Blok, D.J.Boersma, E.Cisbani, R.De Leo, S.Frullani, F.Garibaldi, W.Glockle, J.Golak, P.Heimberg, W.H.A.Hesselink, M.Iodice, D.G.Ireland, E.Jans, H.Kamada, L.Lapikas, G.J.Lolos, C.J.G.Onderwater, R.Perrino, A.Scott, R.Starink, M.F.M.Steenbakkers, G.M.Urciuoli, H.de Vries, L.B.Weinstein, H.Witala

Investigation of the Exclusive 3He(e, e'pp)n Reaction

NUCLEAR REACTIONS 3He(e, e'2p), E=564 MeV; measured σ(Eθ), ep-, pp-coin; deduced reaction mechanism features. Continuum-Fadeev calculations.

doi: 10.1103/PhysRevC.63.014005
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2001KR01      Nucl.Phys. A679, 267 (2001)

G.J.Kramer, H.P.Blok, L.Lapikas

A Consistent Analysis of (e, e'p) and (d, 3He) Experiments

NUCLEAR REACTIONS 48Ca(e, e'p), E=440 MeV; measured σ(E, θ); deduced spectroscopic factors. 48Ca(d, 3He), E=79.2 MeV; 12C, 16O, 31P, 40Ca, 51V, 90Zr, 142Nd, 206,208Pb(d, 3He), E not given; analyzed data; deduced spectroscopic factors.

doi: 10.1016/S0375-9474(00)00379-1
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2000LA17      Nucl.Phys. A663-664, 377c (2000)

L.Lapikas, J.Wesseling, R.B.Wiringa

Correlations in the Ground-State Wave Function of 7Li

NUCLEAR REACTIONS 7Li, 32S(e, e'p), E not given; measured excitation energy spectra, momentum distributions; deduced structure effects. Comparison with variational Monte Carlo and mean-field calculations.

doi: 10.1016/S0375-9474(99)00621-1
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2000LA23      Phys.Rev. C61, 064325 (2000)

L.Lapikas, G.van der Steenhoven, L.Frankfurt, M.Strikman, M.Zhalov

Transparency of 12C for Protons

NUCLEAR REACTIONS 12C(e, e'p), E=285-20105 MeV; analyzed σ vs missing momentum; deduced normalization. 12C deduced spectroscopic factors for proton knockout, momentum transfer dependence, nuclear transparency.

doi: 10.1103/PhysRevC.61.064325
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2000ST02      Phys.Lett. 474B, 33 (2000)

R.Starink, M.F.van Batenburg, E.Cisbani, W.H.Dickhoff, S.Frullani, F.Garibaldi, C.Giusti, D.L.Groep, P.Heimberg, W.H.A.Hesselink, M.Iodice, E.Jans, L.Lapikas, R.De Leo, C.J.G.Onderwater, F.D.Pacati, R.Perrino, J.Ryckebusch, M.F.M.Steenbakkers, J.A.Templon, G.-M.Urciuoli, L.B.Weinstein

Evidence for Short-Range Correlations in 16O

NUCLEAR REACTIONS 16O(e, e'2p), E=580-585 MeV; measured σ(E), missing momentum spectra. 16O deduced short-range correlations.

doi: 10.1016/S0370-2693(99)01510-5
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1999GR29      Phys.Rev.Lett. 83, 5443 (1999)

D.L.Groep, M.F.van Batenburg, Th.S.Bauer, H.P.Blok, D.J.Boersma, E.Cisbani, R.De Leo, S.Frullani, F.Garibaldi, W.Glockle, J.Golak, P.Heimberg, W.H.A.Hesselink, M.Iodice, D.G.Ireland, E.Jans, H.Kamada, L.Lapikas, G.J.Lolos, R.Perrino, A.Scott, R.Starink, M.F.M.Steenbakkers, G.M.Urciuoli, H.de Vries, L.B.Weinstein, H.Witala

Investigation of the Exclusive 3He(e, e'pp)n Reaction

NUCLEAR REACTIONS 3He(e, e'2p), E=564 MeV; measured σ(E, θ); deduced reaction mechanism. Continuum Fadeev calculations.

doi: 10.1103/PhysRevLett.83.5443
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1999GR37      Nucl.Phys. (Supplement) A654, 509c (1999)

D.L.Groep, M.F.van Batenburg, Th.S.Bauer, H.P.Blok, D.J.Boersma, E.Cisbani, R.De Leo, S.Frullani, F.Garibaldi, W.Glockle, J.Golak, P.Heimberg, W.H.A.Hesselink, M.Iodice, D.G.Ireland, E.Jans, H.Kamada, L.Lapikas, G.Lolos, R.Perrino, A.Scott, R.Starink, M.F.M.Steenbakkers, G.M.Urciuoli, H.de Vries, L.B.Weinstein, H.Witala

Electron-Induced Two-Proton Knockout from 3He

NUCLEAR REACTIONS 3He(e, e'2p), E=564 MeV; measured σ(E, θ). Comparison with continuum Fadeev calculations.

doi: 10.1016/S0375-9474(00)88489-4
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1999LA13      Phys.Rev.Lett. 82, 4404 (1999)

L.Lapikas, J.Wesseling, R.B.Wiringa

Nuclear Structure Studies with the 7Li(e, e'p) Reaction

NUCLEAR REACTIONS 7Li(e, e'p), E=329.7, 454.7 MeV; measured σ(E, θ); deduced momentum distributions. 6He levels deduced spectroscopic factors, radii. Comparison with variational Monte Carlo calculation predictions.

doi: 10.1103/PhysRevLett.82.4404
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1999SP07      Few-Body Systems 26, 271 (1999)

C.M.Spaltro, H.P.Blok, E.Jans, L.Lapikas, S.I.Nagorny

Study of the 4He(e, e'd)pn Reaction

NUCLEAR REACTIONS 4He(e, e'd), E=370, 576 MeV; measured particle spectra, σ(E(e'), θ(e'), θ(d)); deduced longitudinal, transverse structure functions, spin-isospin flip transition.

doi: 10.1007/s006010050119
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1998CO06      Phys.Rev. C57, 1569 (1998)

J.P.Connelly, B.L.Berman, W.J.Briscoe, K.S.Dhuga, A.Mokhtari, D.Zubanov, H.P.Blok, R.Ent, J.H.Mitchell, L.Lapikas

Trinucleon Cluster Knockout from 6Li

NUCLEAR REACTIONS 6Li(e, e'3He), E=484.5 MeV; 6Li(e, e't), E=456, 524 MeV; measured σ(E, θ) momentum transfer dependence; deduced two-step processes.

doi: 10.1103/PhysRevC.57.1569
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1998DE23      Phys.Rev.Lett. 80, 3924 (1998)

L.J.de Bever, H.P.Blok, R.S.Hicks, C.W.de Jager, N.Kalantar-Nayestanaki, J.J.Kelly, L.Lapikas, R.A.Miskimen, D.Van Neck, G.A.Peterson, G.van der Steenhoven, H.de Vries

Radial Dependence of the Nucleon Effective Mass in 10B

NUCLEAR REACTIONS 10Be(e, e'p), E=407.3 MeV; measured excitation energy spectrum, momentum distributions; deduced radial dependence of nucleon effective mass. Inelastic electron scattering data also considered.

doi: 10.1103/PhysRevLett.80.3924
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1998KA66      Few-Body Systems 25, 115 (1998)

W.-J.Kasdorp, W.H.A.Hesselink, D.Groep, E.Jans, N.Kalantar-Nayestanaki, L.Lapikas, J.J.van Leeuwe, A.Misiejuk, G.J.L.Nooren, C.J.G.Onderwater, A.R.Pellegrino, C.M.Spaltro, R.Starink, G.van der Steenhoven, J.J.M.Steijger, J.A.Templon

Deuteron Electrodisintegration at High Missing Momenta

NUCLEAR REACTIONS 2H(e, e'p), E=525, 576, 604 MeV; measured proton spectra, σ(E, θ1, θ2) at large missing momenta. Comparison with model calculations.

doi: 10.1007/s006010050098
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1998ON02      Phys.Rev.Lett. 81, 2213 (1998)

C.J.G.Onderwater, K.Allaart, E.C.Aschenauer, Th.S.Bauer, D.J.Boersma, E.Cisbani, W.H.Dickhoff, S.Frullani, F.Garibaldi, W.J.W.Geurts, C.Giusti, D.L.Groep, W.H.A.Hesselink, M.Iodice, E.Jans, N.Kalantar-Nayestanaki, W.-J.Kasdorp, C.Kormanyos, L.Lapikas, J.J.van Leeuwe, R.De Leo, A.Misiejuk, H.Muther, F.D.Pacati, A.R.Pellegrino, R.Perrino, R.Starink, M.Steenbakkers, G.van der Steenhoven, J.J.M.Steijger, M.A.van Uden, G.M.Urciuoli, L.B.Weinstein, H.W.Willering

Signatures for Short-Range Correlations in 16O Observed in the Reaction 16O(e, e'pp)14C

NUCLEAR REACTIONS 16O(e, e'2p), E=584 MeV; measured σ(Ee, θ(e), Ep, θ(p)), missing momentum; deduced short-range correlations role.

doi: 10.1103/PhysRevLett.81.2213
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1998SP08      Phys.Rev.Lett. 81, 2870 (1998)

C.M.Spaltro, Th.S.Bauer, H.P.Blok, T.Botto, E.Cisbani, R.De Leo, G.E.Dodge, R.Ent, S.Frullani, F.Garibaldi, W.Glockle, J.Golak, M.N.Harakeh, M.Iodice, E.Jans, H.Kamada, W.J.Kasdorp, C.Kormanyos, L.Lapikas, A.Misiejuk, S.I.Nagorny, G.J.Nooren, C.J.G.Onderwater, R.Perrino, M.J.M.van Sambeek, R.Starink, G.van der Steenhoven, J.Tjon, M.A.van Uden, G.M.Urciuoli, H.de Vries, J.Witala, D.M.Yeomans

q and pm Dependence of the 3He(e, e'd)p Reaction

NUCLEAR REACTIONS 3He(e, e'd), E=370, 576 MeV; measured σ(θe, θd) vs missing momentum; deduced longitudinal, transverse structure functions. Comparison with models.

doi: 10.1103/PhysRevLett.81.2870
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1998VA02      Phys.Rev.Lett. 80, 2543 (1998)

J.J.van Leeuwe, H.P.Blok, J.F.J.van den Brand, H.J.Bulten, G.E.Dodge, R.Ent, W.H.A.Hesselink, E.Jans, W.J.Kasdorp, J.M.Laget, L.Lapikas, S.I.Nagorny, C.J.G.Onderwater, A.R.Pellegrino, C.M.Spaltro, J.J.M.Steijger, R.Schiavilla, J.A.Templon, O.Unal

High-Missing-Momentum Components in the 4He(e, e'p)3H Reaction

NUCLEAR REACTIONS 4He(e, e'p), E=525 MeV; measured σ(E(e'), θ(e'), θ(p)) vs missing momentum; deduced final-state interactions, two-body currents contributions.

doi: 10.1103/PhysRevLett.80.2543
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1998VA05      Nucl.Phys. A631, 545c (1998)

M.J.M.van Sambeek, T.Botto, T.Bauer, H.P.Blok, D.Boersma, G.E.Dodge, D.Groep, P.Heimberg, W.H.A.Hesselink, D.W.Higinbotham, C.W.de Jager, E.Jans, T.J.Ketel, D.J.J.de Lange, L.Lapikas, B.E.Norum, I.Passchier, V.M.Pugatch, M.F.M.Steenbakkers, J.J.M.Steijger, L.Todor, P.Ulmer, H.de Vries, K.Wang

Coherent π0 Electroproduction on 4He in the Δ Region

NUCLEAR REACTIONS 4He(e, e'π0), E=676 MeV; measured missing energy distribution, σ(θ(pion)).

doi: 10.1016/S0375-9474(98)00065-7
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1998VA06      Nucl.Phys. A631, 593c (1998)

J.J.van Leeuwe, H.P.Blok, J.F.J.van den Brand, H.J.Bulten, G.E.Dodge, R.Ent, W.H.A.Hesselink, E.Jans, W.J.Kasdorp, J.M.Laget, L.Lapikas, C.J.G.Onderwater, A.R.Pellegrino, C.M.Spaltro, J.J.M.Steijger, J.A.Templon, O.Unal

The 4He(e, e'p) Cross Section at Large Missing Energy

NUCLEAR REACTIONS 4He(e, e'p), E=525 MeV; measured σ(E, θ); deduced two-body processes effects.

doi: 10.1016/S0375-9474(98)00073-6
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1998VA27      Phys.Rev. C58, 3462 (1998)

M.A.van Uden, E.C.Aschenauer, L.J.de Bever, H.L.Castricum, E.Cisbani, S.Frullani, F.Garibaldi, D.L.Groep, M.Iodice, W.-J.Kasdorp, L.Lapikas, F.X.Lee, C.J.G.Onderwater, M.Schroevers, C.M.Spaltro, R.Starink, G.van der Steenhoven, J.J.M.Steijger, G.M.Urciuoli, L.E.Wright

High Resolution 16O(γ*, π-p) Experiment

NUCLEAR REACTIONS 16O(γ, π-p), E not given; measured σ(Ex, θ(1), θ(2)). 16O deduced neutron orbitals radii, spectroscopic factors. Virtual photons from 369 MeV electron beam.

doi: 10.1103/PhysRevC.58.3462
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1997AS01      Nucl.Phys. A615, 33 (1997)

E.C.Aschenauer, C.Van den Abeele, J.-O.Adler, B.-E.Andersson, L.J.de Bever, I.Bobeldijk, D.Branford, S.A.Bulychiev, T.Davinson, K.Hansen, D.G.Ireland, L.Isaksson, D.Ivanov, D.G.Johnstone, A.Khanov, L.Lapikas, L.J.Lindgren, G.de Meyer, D.Van Neck, B.Nilsson, H.Ruijter, D.Ryckbosch, A.Sandell, A.C.Shotter, B.Schroder, V.Van der Sluys, G.van der Steenhoven, P.Svensson, M.A.van Uden, R.E.Van de Vyver

Photon-Induced Proton Knockout from 208Pb and 12C

NUCLEAR REACTIONS 208Pb, 12C(γ, p), E=41, 57 MeV; measured σ(θ); deduced meson-exchange effects role target dependence. DWIA, RPA analyses, comparison to (e, e'p). High resolution, tagged photon beam.

doi: 10.1016/S0375-9474(96)00481-2
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1997KA14      Phys.Lett. 393B, 42 (1997)

W.-J.Kasdorp, Th.S.Bauer, W.H.Hesselink, E.Jans, N.Kalantar-Nayestanaki, L.Lapikas, J.J.van Leeuwe, B.Mosconi, G.J.L.Nooren, C.J.G.Onderwater, A.R.Pellegrino, R.Starink, G.van der Steenhoven, J.J.M.Steijger, J.A.Templon, J.A.Tjon, H.de Vries

Relativistic Effects in the Electrodisintegration of Deuterium

NUCLEAR REACTIONS 2H(e, e'p), E=603.8 MeV; measured σ(θ(e'), E(e'), θp), asymmetry, longitudinal-transverse interference structure function; deduced relativistic effects role.

doi: 10.1016/S0370-2693(97)86498-2
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1997ON03      Phys.Rev.Lett. 78, 4893 (1997)

C.J.G.Onderwater, K.Allaart, E.C.Aschenauer, Th.S.Bauer, D.J.Boersma, E.Cisbani, S.Frullani, F.Garibaldi, W.J.W.Geurts, D.L.Groep, W.H.A.Hesselink, M.Iodice, E.Jans, N.Kalantar-Nayestanaki, W.-J.Kasdorp, C.Kormanyos, L.Lapikas, J.J.van Leeuwe, R.De Leo, A.Misiejuk, A.R.Pellegrino, R.Perrino, R.Starink, M.Steenbakkers, G.van der Steenhoven, J.J.M.Steijger, M.A.van Uden, G.M.Urciuoli, L.B.Weinstein, H.W.Willering

Dominance of 1S0 Proton-Pair Emission in the 16O(e, e'pp) Reaction

NUCLEAR REACTIONS 16O(e, e'2p), E=584 MeV; measured missing momenta spectra, excitation energy spectra; deduced direct proton-pair knockout evidence.

doi: 10.1103/PhysRevLett.78.4893
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1997PE08      Phys.Rev.Lett. 78, 4011 (1997)

A.Pellegrino, H.Arenhovel, H.P.Blok, D.van Dierendonck, G.E.Dodge, W.H.A.Hesselink, E.Jans, N.Kalantar-Nayestanaki, W.-J.Kasdorp, L.Lapikas, J.J.van Leeuwe, W.Leidemann, A.Misiejuk, C.J.G.Onderwater, G.van der Steenhoven, R.Starink, J.J.M.Steijger, J.A.Templon, J.L.Visschers, T.Wilbois, P.Wilhelm, H.W.Willering, D.M.Yeomans

Deuteron Electrodisintegration in the Δ-Resonance Region

NUCLEAR REACTIONS 2H(e, e'p), E=525 MeV; measured σ(θ(e), θ(np)) vs electron momentum, transverse-transverse interference structure function; deduced Δ excitation role dominance.

doi: 10.1103/PhysRevLett.78.4011
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1997VA01      Nucl.Phys. A612, 391 (1997)

H.B.van den Brink, H.P.Blok, I.Bobeldijk, G.E.Dodge, C.W.de Jager, W.-J.Kasdorp, T.J.Ketel, L.Lapikas, B.E.Norum, M.van Sambeek, G.van der Steenhoven, M.A.van Uden, H.de Vries

Electroproduction of Neutral Pions on the Proton

NUCLEAR REACTIONS 1H(e, e'π0), E=525 MeV; measured σ(θ(π0)) 1-14 MeV above threshold; deduced s-wave multipoles E(0+) and L(0+). Chiral perturbation theory, Lagrangian models.

doi: 10.1016/S0375-9474(96)00397-1
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1997WE01      Phys.Rev. C55, 2773 (1997)

J.Wesseling, C.W.de Jager, L.Lapikas, H.de Vries, L.W.Fagg, M.N.Harakeh, N.Kalantar-Nayestanaki, R.A.Lindgren, E.Moya De Guerra, P.Sarriguren

2s1/2 Occupancies in 30Si, 31P, and 32S

NUCLEAR REACTIONS 30Si, 31P, 32S(e, e'), E=454.3 MeV; measured form factors; deduced charge distribution, level occupancies. Hartree-Fock calculation.

doi: 10.1103/PhysRevC.55.2773
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1996AS02      Phys.Lett. 389B, 470 (1996)

E.C.Aschenauer, I.Bobeldijk, D.G.Ireland, L.Lapikas, D.Van Neck, B.Schroder, V.Van der Sluys, G.van der Steenhoven, R.E.Van de Vyver

The Mass-Dependence of Meson-Exchange Currents in the Reaction (γ, p)

NUCLEAR REACTIONS 12C, 208Pb(γ, p), E=51-57 MeV; 40Ca(γ, p), E=60 MeV; analyzed σ(θ) data; deduced meson-exchange currents mass dependence, higher multipolarities role.

doi: 10.1016/S0370-2693(96)01298-1
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1996KE03      Phys.Lett. 366B, 44 (1996)

L.J.H.M.Kester, H.P.Blok, W.H.A.Hesselink, A.Pellegrino, E.Jans, L.Lapikas, G.van der Steenhoven, A.Zondervan, J.Ryckebusch

Two-Body Currents in the Reaction 12C(e, e'p)11B at High Missing Momenta

NUCLEAR REACTIONS 12C(e, e'p), E=470 MeV; measured momentum distributions; deduced two-body currents role.

doi: 10.1016/0370-2693(95)01314-8
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1995BO23      Phys.Lett. 353B, 32 (1995)

I.Bobeldijk, H.P.Blok, H.B.van den Brink, G.E.Dodge, W.H.A.Hesselink, E.Jans, W.-J.Kasdorp, L.Lapikas, J.J.van Leeuwe, C.Marchand, G.Onderwater, A.Pellegrino, M.van Sambeek, C.M.Spaltro, G.van der Steenhoven, J.J.M.Steijger, J.A.Templon, M.A.van Uden, R.de Vries, P.K.A.de Witt Huberts

Search for Nucleon-Nucleon Correlations in the Proton Spectral Function of 208Pb

NUCLEAR REACTIONS 208Pb(e, e'p), E at 300-500 MeV/c; measured reduced σ(E(x), p(m)); deduced proton spectral functions, momentum distributions, nucleon-nucleon correlations role.

doi: 10.1016/0370-2693(95)00528-S
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1995BO28      Phys.Lett. 356B, 13 (1995)

I.Bobeldijk, C.Van den Abeele, J.-O.Adler, B.-E.Andersson, E.C.Aschenauer, L.J.de Bever, D.Branford, S.A.Bulychiev, T.Davinson, K.Hansen, D.G.Ireland, L.Isaksson, D.Ivanov, D.G.Johnstone, A.Khanov, L.Lapikas, L.J.Lindgren, G.de Meyer, B.Nilsson, H.Ruijter, D.Ryckbosch, A.Sandell, A.C.Shotter, B.Schroder, G.van der Steenhoven, P.Svensson, M.A.van Uden, R.E.Van de Vyver

Photon-Induced Proton Knockout from 208Pb

NUCLEAR REACTIONS 208Pb(γ, p), E=41-48, 51-57 MeV; measured σ(θ). DWIA, model parameters from (e, e'p) analysis.

doi: 10.1016/0370-2693(95)00793-K
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1995VA10      Phys.Rev.Lett. 74, 3561 (1995)

H.B.van den Brink, H.P.Blok, I.Bobeldijk, M.Bouwhuis, G.E.Dodge, M.N.Harakeh, W.H.A.Hesselink, D.G.Ireland, C.W.de Jager, E.Jans, N.de Jonge, N.Kalantar-Nayestanaki, W.-J.Kasdorp, T.J.Ketel, J.Konijn, L.Lapikas, J.J.van Leeuwe, R.L.J.van der Meer, G.J.L.Nooren, B.E.Norum, E.Passchier, A.R.Pellegrino, C.M.Spaltro, G.van der Steenhoven, J.J.M.Steijger, J.A.Templon, J.A.P.Theunissen, M.A.van Uden, H.de Vries, R.de Vries, P.K.A.de Witt Huberts

Neutral-Pion Electroproduction on the Proton Near Threshold

NUCLEAR REACTIONS 1H(e, e'π0), E=525 MeV; measured σ(θ(e'), E(e'), θ(π)); deduced s-wave multipoles. Modes comparison.

doi: 10.1103/PhysRevLett.74.3561
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1994BO39      Phys.Rev.Lett. 73, 2684 (1994)

I.Bobeldijk, M.Bouwhuis, D.G.Ireland, C.W.de Jager, E.Jans, N.de Jonge, W.-J.Kasdorp, J.Konijn, L.Lapikas, J.J.van Leeuwe, R.L.J.van der Meer, G.J.L.Nooren, E.Passchier, M.Schroevers, G.Van der Steenhoven, J.J.M.Steijger, J.A.P.Theunissen, M.A.van Uden, H.de Vries, R.de Vries, P.K.A.de Witt Huberts, H.P.Blok, H.B.van den Brink, G.E.Dodge, M.N.Harakeh, W.H.A.Hesselink, N.Kalantar-Nayestanaki, A.Pellegrino, C.M.Spaltro, J.A.Templon, R.S.Hicks, J.J.Kelly, C.Marchand

High-Momentum Protons in 208Pb

NUCLEAR REACTIONS 208Pb(e, e'p), E ≈ 488 MeV; measured reduced σ for various final 207Tl states; deduced long-range correlations. 208Pb deduced proton momentum distribution features.

doi: 10.1103/PhysRevLett.73.2684
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1994DE23      Nucl.Phys. A579, 13 (1994)

L.J.de Bever, H.P.Blok, J.Blouw, M.Fujiwara, K.Hosono, J.J.Kelly, S.Kuwamoto, L.Lapikas, G.van der Steenhoven, K.Takahisa, J.Takamatsu, M.Yosoi

Proton Scattering Off 9Be and the Final-State Interaction in the (e, e'p) and (γ, p) Reactions on 10B

NUCLEAR REACTIONS 9Be(polarized p, p'), E=54.7, 74.7 MeV; measured σ(θ), A(y)(θ); deduced potential parameters, final-state interaction effects in (e, e'p) and (γ, p) reactions. Natural target. Phenomenological, folding-model calculations.

doi: 10.1016/0375-9474(94)90791-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1581.


1994EN04      Nucl.Phys. A578, 93 (1994)

R.Ent, B.L.Berman, H.P.Blok, J.F.J.van den Brand, W.J.Briscoe, M.N.Harakeh, E.Jans, P.D.Kunz, L.Lapikas

The (e, e'd) Reaction on 4He, 6Li, and 12C

NUCLEAR REACTIONS 4He, 6Li, 12C(e, e'd), E(cm) ≈ 30-7- MeV; measured reaction σ vs momentum transfer, σ(θ(e'), E(e'), θ(d)). 10B levels deduced spectroscopic factors.

doi: 10.1016/0375-9474(94)90971-7
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1994IR02      Phys.Rev. C50, 1626 (1994)

D.G.Ireland, L.Lapikas, G.van der Steenhoven

Nuclear Transparency in (e, e'p) Reactions

NUCLEAR REACTIONS 12C, 16O, 27Al, 40Ca, 51V, 58Ni, 208Pb(e, e'p), E not given; calculated transparency; deduced final state interaction treatment is adequate. Complete DWIA.

doi: 10.1103/PhysRevC.50.1626
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1994LE02      Phys.Rev. C49, 955 (1994)

M.Leuschner, J.R.Calarco, F.W.Hersman, E.Jans, G.J.Kramer, L.Lapikas, G.van der Steenhoven, P.K.A.de Witt Huberts, H.P.Blok, N.Kalantar-Nayestanaki, J.Friedrich

Quasielastic Proton Knockout from 16O

NUCLEAR REACTIONS 16O(e, e'p), E=304-521 MeV; measured missing mass spectra, quasielastic σ; deduced proton spectral function, momentum distributions. 15N levels deduced spectroscopic factors.

doi: 10.1103/PhysRevC.49.955
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1993JI04      Phys.Rev. C48, R964 (1993)

Y.Jin, H.P.Blok, L.Lapikas

e-p Off-Shell Cross Section in Quasielastic (e, e'p) Reaction

NUCLEAR REACTIONS 208Pb(e, e'p), E=311-513.7 MeV; calculated reduced σ; deduced effective momentum approximation consequences.

doi: 10.1103/PhysRevC.48.R964
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1993LA05      Nucl.Phys. A553, 297c (1993)

L.Lapikas

Quasi-Elastic Electron Scattering Off Nuclei

NUCLEAR REACTIONS 16O, 40Ca, 2H, 90Zr, 208Pb(e, e'p), E not given; compiled, reviewed data, analyses; deduced impulse approximation validity.

doi: 10.1016/0375-9474(93)90630-G
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1993LA16      Nucl.Phys. A560, 811 (1993)

J.B.J.M.Lanen, H.P.Blok, H.J.Bulten, J.A.Caballero, E.Moya de Guerra, M.N.Harakeh, G.J.Kramer, L.Lapikas, M.van der Schaar, P.K.A.de Witt Huberts, A.Zondervan

The (e, e'p) Reaction on 142Nd and 146Nd: A search for deformation effects

NUCLEAR REACTIONS 142,146Nd(e, e'p), E=261, 450 MeV; measured spectra. 141,145Pr levels deduced momentum distributions, deformation effects, C2S. CDWIA calculations, Nilsson plus BCS model calculations.

doi: 10.1016/0375-9474(93)90172-T
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1993SP05      Phys.Rev. C48, 2385 (1993)

C.M.Spaltro, H.P.Blok, E.Jans, L.Lapikas, M.van der Schaar, G.van der Steenhoven, P.K.A.de Witt Huberts

Separated Structure Functions for the Proton-Knockout Reaction 16O(e, e'p)

NUCLEAR REACTIONS 16O(e, e'p), E=301-510 MeV; measured σ(missing energy, missing momentum); deduced structure functions W(L), W(T), W(LT).

doi: 10.1103/PhysRevC.48.2385
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1992VA02      Phys.Rev.Lett. 68, 776 (1992)

M.van der Schaar, H.Arenhovel, H.P.Blok, H.J.Bulten, E.Hummel, E.Jans, L.Lapikas, G.van der Steenhoven, J.A.Tjon, J.Wesseling, P.K.A.de Witt Huberts

Longitudinal-Transverse Interference Structure Function of 2H

NUCLEAR REACTIONS 2H(e, e'p), E not given; measured longitudinal, transverse, interference structure functions; deduced relativistic approach relevance.

doi: 10.1103/PhysRevLett.68.776
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1992WE08      Nucl.Phys. A547, 519 (1992)

J.Wesseling, C.W.de Jager, L.Lapikas, H.de Vries, M.N.Harakeh, N.Kalantar-Nayestanaki, L.W.Fagg, R.A.Lindgren, D.Van Neck

Electron-Induced Proton Knock-Out from 30Si, 31P and 32S

NUCLEAR REACTIONS 30Si, 31P, 32S(e, e'p), E=330, 454 MeV; measured excitation spectra at given central missing momentum. 30Si, 31P, 32S deduced rms radii, momentum distributions, l=0, 1, 2 transitions spectral functions, integrated knockout spectroscopic strength. Shell model, quasiparticle phonon model calculations.

doi: 10.1016/0375-9474(92)90036-J
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1992WE11      Phys.Rev.Lett. 69, 2761 (1992)

T.P.Welch, P.H.Karen, J.H.Mitchell, B.E.Norum, H.P.Blok, H.B.van den Brink, C.W.de Jager, E.Jans, L.Lapikas, H.de Vries, J.Wesseling, J.Bergstrom, M.Deady

Electroproduction of π0 on the Proton Near Threshold

NUCLEAR REACTIONS 1H(e, e'π0), E=350, 500 MeV; measured σ(θ(e), E(e)), invariant energy; deduced longitudinal, transverse contributions.

doi: 10.1103/PhysRevLett.69.2761
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1991EN02      Phys.Rev.Lett. 67, 18 (1991)

R.Ent, H.P.Blok, J.F.J.van den Brand, H.J.Bulten, E.Jans, L.Lapikas, H.Morita

Mechanism of the Reaction 4He(e, e'd)2H

NUCLEAR REACTIONS 4He(e, e'd), E=460 MeV; measured σ(E(e'), θ(e'), θd) vs excitation energy, transfer momentum square; deduced knockout, other mechanisms role.

doi: 10.1103/PhysRevLett.67.18
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1991MI19      Phys.Rev. C44, 2002 (1991)

J.H.Mitchell, H.P.Blok, B.L.Berman, W.J.Briscoe, M.A.Daman, R.Ent, E.Jans, L.Lapikas, J.J.M.Steijger

Mechanism of the 6Li(e, e'α) Reaction

NUCLEAR REACTIONS 6Li(e, e'), E not given; measured σ(θ(e'), E(e'), Eα, θα); deduced reaction mechanism. Target two-body, three-body breakup.

doi: 10.1103/PhysRevC.44.2002
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1991VA03      Phys.Rev.Lett. 66, 409 (1991)

J.F.J.van den Brand, H.P.Blok, H.J.Bulten, R.Ent, E.Jans, G.J.Kramer, J.M.Laget, J.B.J.M.Lanen, L.Lapikas, J.S.Roebers, R.Schiavilla, G.van der Steenhoven, P.K.A.de Witt Huberts

Study of the Mechanism of the Reaction 4He(e, e'p)3H

NUCLEAR REACTIONS 4He(e, e'p), E=425.6 MeV; analyzed data; deduced reaction mechanism.

doi: 10.1103/PhysRevLett.66.409
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1991VA06      Phys.Rev.Lett. 66, 2855 (1991)

M.van der Schaar, H.Arenhovel, Th.S.Bauer, H.P.Blok, H.J.Bulten, M.Daman, R.Ent, E.Hummel, E.Jans, G.J.Kramer, J.B.J.M.Lanen, L.Lapikas, J.H.Mitchell, G.van der Steenhoven, J.A.Tjon, P.K.A.de Witt Huberts, A.Zondervan

Longitudinal-Transverse Separation of the Deuterium (e, e'p) Response Functions

NUCLEAR REACTIONS 2H(e, e'p), E=296.7-555.9 MeV; measured longitudinal, transverse response functions. Model comparison.

doi: 10.1103/PhysRevLett.66.2855
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1991VA10      Nucl.Phys. A534, 637 (1991)

J.F.J.van den Brand, H.P.Blok, R.Ent, E.Jans, J.M.Laget, L.Lapikas, C.de Vries, P.K.A.de Witt Huberts

The Two-Body Electrodisintegration of 4He Studied Through the (e, e'p) Reaction

NUCLEAR REACTIONS 4He(e, e'p), E=425.6, 438.9, 481.7 MeV; measured σ, missing energy, momentum. 4He deduced proton-triton momentum distribution, sum rules. Study of final-state interaction effects, DWIA, coupled-channels analyses, microscopic theory. Cryogenic gas target.

doi: 10.1016/0375-9474(91)90465-I
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1990LA06      Phys.Rev.Lett. 64, 2250 (1990)

J.B.J.M.Lanen, H.P.Blok, E.Jans, L.Lapikas, G.van der Steenhoven, P.K.A.de Witt Huberts

Two-Body Mechanisms in the 6Li(e, e'p) Reaction

NUCLEAR REACTIONS 6Li(e, e'p), E not given; analyzed response function data; deduced reaction mechanism.

doi: 10.1103/PhysRevLett.64.2250
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1989EN01      Phys.Rev.Lett. 62, 24 (1989)

R.Ent, B.L.Berman, H.P.Blok, J.F.J.van den Brand, W.J.Briscoe, E.Jans, G.J.Kramer, J.B.J.M.Lanen, L.Lapikas, B.E.Norum, E.N.M.Quint, A.Saha, G.van der Steenhoven, P.K.A.de Witt Huberts

Deuteron Formation in the Reaction 12C(e, e'd)10B(T = 1)

NUCLEAR REACTIONS 12C(e, e'd), E=466 MeV; measured σ(θ(e'), E(e'), θd) vs excitation. 10B deduced T=0, T=1 relative level excitation, mechanism.

doi: 10.1103/PhysRevLett.62.24
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1989KR05      Phys.Lett. 227B, 199 (1989)

G.J.Kramer, H.P.Blok, J.F.J.van den Brand, H.J.Bulten, R.Ent, E.Jans, J.B.J.M.Lanen, L.Lapikas, H.Nann, E.N.M.Quint, G.van der Steenhoven, P.K.A.de Witt Huberts, G.J.Wagner

Proton Ground-State Correlations in 40Ca Studied with Reaction 40Ca(e, e'p)39K

NUCLEAR REACTIONS 40Ca(e, e'p), E not given; measured spectral function. 39K levels deduced bound state parameters, spectroscopic factors.

doi: 10.1016/S0370-2693(89)80022-X
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1989LA13      Phys.Rev.Lett. 62, 2925 (1989)

J.B.J.M.Lanen, A.M.van den Berg, H.P.Blok, J.F.J.van den Brand, C.T.Christou, R.Ent, A.G.M.van Hees, E.Jans, G.J.Kramer, L.Lapikas, D.R.Lehman, W.C.Parke, E.N.M.Quint, G.van der Steenhoven, P.K.A.de Witt Huberts

Electrodisintegration of 6Li Studied with the Reaction 6Li(e, e'p)

NUCLEAR REACTIONS 6Li(e, e'p), E not given; measured missing energy spectra, momentum distributions; deduced spectroscopic strength. Three-body model.

doi: 10.1103/PhysRevLett.62.2925
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1989LA22      Phys.Rev.Lett. 63, 2793 (1989)

J.B.J.M.Lanen, R.G.Lovas, A.T.Kruppa, H.P.Blok, J.F.J.van den Brand, R.Ent, E.Jans, G.J.Kramer, L.Lapikas, E.N.M.Quint, G.van der Steenhoven, P.C.Tiemeijer, P.K.A.de Witt Huberts

(e, e'p) Study of Triton + Deuteron + Proton Clustering in 6Li

NUCLEAR REACTIONS 6Li(e, e'p), E not given; measured momentum distribution, spectral function missing energy dependences. 6Li deduced clustering effects.

doi: 10.1103/PhysRevLett.63.2793
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1989MI01      Phys.Rev. C39, 14 (1989)

D.J.Millener, D.I.Sober, H.Crannell, J.T.O'Brien, L.W.Fagg, S.Kowalski, C.F.Williamson, L.Lapikas

Inelastic Electron Scattering from 13C

NUCLEAR REACTIONS 13C(e, e'), E=45-340 MeV; measured σ(E, θ). 13C levels deduced longitudinal, transverse form factors, multipole matrix elements. Shell model.

doi: 10.1103/PhysRevC.39.14
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1988DE08      Phys.Rev.Lett. 60, 1343 (1988)

J.W.A.den Herder, H.P.Blok, E.Jans, L.Lapikas, P.K.A.de Witt Huberts

den Herder et al. Reply

NUCLEAR STRUCTURE 50Ti; analyzed 1f7/2 transition strength characteristics. 51V(e, e'p) data analysis.

doi: 10.1103/PhysRevLett.60.1343
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1988DE43      Nucl.Phys. A490, 507 (1988)

J.W.A.den Herder, H.P.Blok, E.Jans, P.H.M.Keizer, L.Lapikas, E.N.M.Quint, G.van der Steenhoven, P.K.A.de Witt Huberts

Single-Particle Properties of 51V and 90Zr Studied with the (e, e'p) Reaction

NUCLEAR REACTIONS 51V, 90Zr(e, e'p), E=265-410 MeV; measured σ(missing energy, missing momentum); deduced proton momentum distributions. 51V, 90Zr levels deduced spectroscopic factors, rms radii, binding energies, spreading widths. Unfactorized complete DWIA analysis.

doi: 10.1016/0375-9474(88)90012-7
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1988VA09      Nucl.Phys. A480, 547 (1988)

G.van der Steenhoven, H.P.Blok, E.Jans, M.de Jong, L.Lapikas, E.N.M.Quint, P.K.A.de Witt Huberts

Knockout of 1p Protons from 12C Induced by the (e, e'p) Reaction

NUCLEAR REACTIONS 12C(e, e'p), E=280-480 MeV; measured σ vs missing energy, momentum. 12C deduced proton momentum distributions, spectroscopic factors, rms radii. DWIA analysis, coupled-channels effects.

doi: 10.1016/0375-9474(88)90463-0
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1988VA12      Phys.Rev.Lett. 60, 2006 (1988)

J.F.J.van den Brand, H.P.Blok, R.Ent, E.Jans, G.J.Kramer, J.B.J.M.Lanen, L.Lapikas, E.N.M.Quint, G.van der Steenhoven, P.K.A.de Witt Huberts

Electrodisintegration of 4He Studied with the Reaction 4He(e, e'p)3H

NUCLEAR REACTIONS 4He(e, e'p), E=26 MeV; measured e'p-coin; deduced final state momentum distribution.

doi: 10.1103/PhysRevLett.60.2006
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1988VA21      Nucl.Phys. A484, 445 (1988)

G.van der Steenhoven, H.P.Blok, E.Jans, L.Lapikas, E.N.M.Quint, P.K.A.de Witt Huberts

Weak Transitions in the Quasi-Elastic Reaction 12C(e, e'p)11B

NUCLEAR REACTIONS 12C(e, e'p), E=280-480 MeV; measured σ(missing energy, missing momentum). 11B levels deduced proton momentum distributions, spectroscopic factors, rms radii. Unfactorized DWIA analysis, coupled-channels effects.

doi: 10.1016/0375-9474(88)90304-1
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1987BL21      Phys.Lett. 198B, 4 (1987)

H.P.Blok, L.R.Kouw, J.W.A.den Herder, L.Lapikas, P.K.A.de Witt Huberts

The Proton Optical-Model Potential in the Interior of the Nucleus

NUCLEAR REACTIONS, MECPD 90Zr(p, p), (polarized p, p), E=100 MeV; 88Sr(p, p), (polarized p, p), E=201.5 MeV; analyzed σ(θ), analyzing power vs θ; deduced model parameters. 88Sr(p, p'), E=201.5 MeV; calculated σ(θ). 90Zr(e, e'p), E not given; calculated momentum distributions. Extended coupled-channels model.

doi: 10.1016/0370-2693(87)90146-8
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1987DE01      Phys.Lett. 184B, 11 (1987)

J.W.A.Den Herder, E.Jans, P.H.M.Keizer, L.Lapikas, E.N.M.Quint, P.K.A.de Witt Huberts, H.P.Blok, G.van der Steenhoven

Knock-Out of 2p Protons from the Interior of 90Zr

NUCLEAR REACTIONS 90Zr(e, e'p), E not given; measured momentum distributions. 89Y transitions deduced 2p1/2, 2p3/2 orbit radii, spectroscopic factors. DWBA calculations.

doi: 10.1016/0370-2693(87)90479-5
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1987DO10      Nucl.Phys. A469, 518 (1987)

A.J.H.Donne, L.Lapikas, A.G.M.van Hees, D.Zwarts

Transverse Electroexcitation of Positive- and Negative-Parity States in 19F

NUCLEAR REACTIONS 19F(e, e'), E=46-272 MeV; measured σ(E, θ). 19F deduced transverse form factors. Shell-model calculation.

doi: 10.1016/0375-9474(87)90037-6
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1987KE07      Phys.Lett. 197B, 29 (1987)

P.H.M.Keizer, J.F.J.van den Brand, J.W.A.den Herder, E.Jans, L.Lapikas, E.N.M.Quint, P.K.de Witt Huberts

Two-Body Electrodisintegration of 3He at Large Recoil Momentum

NUCLEAR REACTIONS 3He(e, e'p), (e, e'd), E=390 MeV; measured σ(θ(e'), E(e'), θp), σ(θ(e'), E(e'), θd). Faddeev wave functions, final state interaction analysis.

doi: 10.1016/0370-2693(87)90335-2
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1987QU01      Phys.Rev.Lett. 58, 1088 (1987)

E.N.M.Quint, B.M.Barnett, A.M.van den Berg, J.F.J.van den Brand, H.Clement, R.Ent, B.Frois, D.Goutte, P.Grabmayr, J.W.A.den Herder, E.Jans, G.J.Kramer, J.B.J.M.Lanen, L.Lapikas, H.Nann, G.van der Steenhoven, G.J.Wagner, P.K.A.de Witt Huberts

Evidence for Partial Occupancy of the 3s1/2 Proton Orbit in 208Pb

NUCLEAR REACTIONS 205Tl, 206Pb(e, e'p), E=410 MeV; measured spectral functions vs excitation energy. 205Tl, 206Pb deduced 3s1/2 strengths, spectroscopic factors, proton orbit occupation probabilities. 208Pb deduced 3s1/2 occupation probability. Other data input.

doi: 10.1103/PhysRevLett.58.1088
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1987VA08      Phys.Rev.Lett. 58, 1727 (1987)

G.van der Steenhoven, A.M.van den Berg, H.P.Blok, S.Boffi, J.F.J.van den Brand, R.Ent, T.de Forest, Jr., C.Giusti, J.W.A.den Herder, E.Jans, G.J.Kramer, J.B.J.M.Lanen, L.Lapikas, J.Mougey, P.J.Mulders, F.D.Pacati, E.N.M.Quint, P.K.A.de Witt Huberts

Nuclear-Density Dependence of the Electron-Proton Coupling

NUCLEAR REACTIONS 6Li(e, e'p), E=322, 479.9 MeV; measured reduced σ ratios; deduced electron-proton coupling nuclear density dependence. Enriched target. DWIA analyses.

doi: 10.1103/PhysRevLett.58.1727
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1986DE23      Phys.Rev.Lett. 57, 1843 (1986)

J.W.A.den Herder, J.A.Hendriks, E.Jans, P.H.M.Keizer, G.J.Kramer, L.Lapikas, E.N.M.Quint, P.K.A.de Witt Huberts, H.P.Blok, G.van der Steenhoven

Spectroscopic Strength of 1f7/2 Transitions Deduced from the Reaction 51V(e, e'p)50Ti

NUCLEAR REACTIONS 51V(e, e'p), E=linac; measured σ, proton spectral functions, momentum distributions. 50Ti levels deduced spectroscopic factors, 1f7/2 wave function rms radii. DWIA.

doi: 10.1103/PhysRevLett.57.1843
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1986DO10      Nucl.Phys. A455, 453 (1986)

A.J.H.Donne, G.van Middelkoop, L.Lapikas, T.Suzuki, P.W.M.Glaudemans, D.Zwarts

Elastic Magnetic Electron Scattering from 19F

NUCLEAR STRUCTURE 19F; calculated levels, electron scattering form factors, μ. Shell model.

NUCLEAR REACTIONS 19F(e, e), E=20-140 MeV; measured σ(E(e')), form factors; deduced charge, magnetic σ. 19F deduced ground state radial current density. Shell model comparison.

doi: 10.1016/0375-9474(86)90317-9
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1986EN05      Phys.Rev.Lett. 57, 2367 (1986)

R.Ent, H.P.Blok, J.F.A.van Hienen, G.van der Steenhoven, J.F.J.van den Brand, J.W.A.den Herder, E.Jans, P.H.M.Keizer, L.Lapikas, E.N.M.Quint, P.K.A.de Witt Huberts, B.L.Berman, W.J.Briscoe, C.T.Christou, D.R.Lehman, B.E.Norum, A.Saha

Reaction 6Li(e, e'd)4He and the α-d Momentum Distribution in the Ground State of 6Li

NUCLEAR REACTIONS 6Li(e, e'd), E=480 MeV; measured missing mass spectrum, σ(θ(e'), E(e'), θd) vs momentum transfer, α-d momentum distribution; deduced reaction mechanism. Partial kinematics, enriched target. DWIA analysis, α-nucleon-nucleon model.

doi: 10.1103/PhysRevLett.57.2367
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1986QU02      Phys.Rev.Lett. 57, 186 (1986)

E.N.M.Quint, J.F.J.van den Brand, J.W.A.den Herder, E.Jans, P.H.M.Keizer, L.Lapikas, G.van der Steenhoven, P.K.A.de Witt Huberts, S.Klein, P.Grabmayr, G.J.Wagner, H.Nann, B.Frois, D.Goutte

Relative 3s Spectroscopic Strength in 206Pb and 208Pb Studied with the (e, e'p) Knockout Reaction

NUCLEAR REACTIONS 206,208Pb(e, e'p), E=350, 410 MeV; measured spectral function vs excitation. 206,208Pb deduced 3s spectroscopic strength ratio. 205,207Tl deduced L=0 knockout strength distribution characteristics.

doi: 10.1103/PhysRevLett.57.186
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1986VA17      Phys.Rev.Lett. 57, 182 (1986)

G.van der Steenhoven, H.P.Blok, J.F.J.van den Brand, T.de Forest, Jr., J.W.A.den Herder, E.Jans, P.H.M.Keizer, L.Lapikas, P.J.Mulders, E.N.M.Quint, P.K.A.de Witt Huberts, J.Mougey, S.Boffi, C.Giusti, F.D.Pacati

Effect of Nuclear Medium on the Proton Investigated with Reaction 12C(e, e'p)11B

NUCLEAR REACTIONS 12C(e, e'p), E=312.8, 443.3 MeV; measured σ(E(e'), θ(e'), Ep', θp); deduced longitudinal, transverse response functions, medium effects.

doi: 10.1103/PhysRevLett.57.182
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1985DE39      Phys.Lett. 161B, 65 (1985)

J.W.A.Den Herder, P.C.Dunn, E.Jans, P.H.M.Keizer, L.Lapikas, E.N.M.Quint, P.K.A.De Witt Huberts, H.P.Blok, G.Van Der Steenhoven

Fragmentation of the 1f-Hole Strength in 90Zr Studied with the (e, e'p) Reaction

NUCLEAR REACTIONS 90Zr(e, e'p), E=265, 350 MeV; measured σ(E(e')) vs proton momentum, particle-hole spectral function, knockout proton momentum distribution. 90Zr deduced 1f-hole strength fragmentation. Mean field theory analysis, other data input.

doi: 10.1016/0370-2693(85)90610-0
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1985KE05      Phys.Lett. 157B, 255 (1985)

P.H.M.Keizer, P.C.Dunn, J.W.A.Den Herder, E.Jans, A.Kaarsgaarn, L.Lapikas, E.N.M.Quint, P.K.A.De Witt Huberts, H.Postma, J.M.Laget

Deuteron Knockout from 3He with the (e, e'd) Reaction

NUCLEAR REACTIONS 3He(e, e'd), E=500 MeV; measured σ(E(e'), θ(e'), θd); deduced knockout deuteron flux dominance. PWIA, final state interaction diagrammatic expansion.

doi: 10.1016/0370-2693(85)90661-6
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1985LA12      Nucl.Phys. A434, 85c (1985)

L.Lapikas

Recent Results of High-Resolution (e, e'p) Reactions at NIKHEF-K

NUCLEAR REACTIONS 3He(e, e'd), E not given; measured knockout σ vs deuteron momentum. 12C, 90Zr, 208Pb(e, e'p), E not given; measured excitation energy spectra. 11B deduced level, possible J, π. 89Y levels deduced C2S.

doi: 10.1016/0375-9474(85)90493-2
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1985SE04      Phys.Lett. 151B, 330 (1985)

A.M.Selig, T.Suzuki, L.Lapikas, P.K.A.De Witt Huberts, S.K.Platchkov, B.Frois, R.B.M.Mooy, L.Zybert, P.W.M.Glaudemans

Quenching of the Elastic Magnetic Response Function of 49Ti

NUCLEAR REACTIONS 49Ti(e, e), E=75-140 MeV; calculated form factors; deduced core polarization role in magnetic transition quenching.

doi: 10.1016/0370-2693(85)91648-X
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1985VA05      Phys.Lett. 156B, 151 (1985)

G.Van Der Steenhoven, H.P.Blok, J.W.A.Den Herder, E.Jans, P.H.M.Keizer, L.Lapikas, E.N.M.Quint, P.K.A.De Witt Huberts, G.W.R.Dean, P.J.Brussaard, P.W.M.Glaudemans, D.Zwarts

High-Resolution (e, e'p) Study of the (1/2)+ State at 6.79 MeV in 11B

NUCLEAR REACTIONS 12C(e, e'p), E=353 MeV; measured missing energy spectrum distribution; deduced role of components beyond 1p shell.

doi: 10.1016/0370-2693(85)91498-4
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1985VA16      Phys.Rev. C32, 1787 (1985)

G.van der Steenhoven, H.P.Blok, J.W.A.den Herder, E.Jans, P.H.M.Keizer, L.Lapikas, E.N.M.Quint, P.K.A.de Witt Huberts

Two-Step Processes in the Quasi-Free (e, e'p) Reaction

NUCLEAR REACTIONS 12C(e, e'p), E=283 MeV; measured σ; deduced two-step processes contribution. 11B level deduced spectral function.

doi: 10.1103/PhysRevC.32.1787
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1984DE26      Nucl.Instrum.Methods 223, 1 (1984)

C.De Vries, C.W.De Jager, L.Lapikas, G.Luijckx, R.Maas, H.De Vries, P.K.A.De Witt Huberts

The 500 MeV Electron-Scattering Facility at NIKHEF-K

NUCLEAR REACTIONS 196Pt(e, e'), E=370.9 MeV; measured σ(E(e')). 12C(e, e'p), E at 295 MeV/c; 1H(e, e'p), E at 277 MeV/c; measured missing energy, momentum spectra. QDD, QDQ spectrometers.


1984DO16      Nucl.Instrum.Methods 224, 97 (1984)

A.J.H.Donne, G.Van Middelkoop, L.De Vries, L.Lapikas, J.B.Van Der Laan, C.De Vries, J.G.Noomen

The 180° Electron-Scattering Facility at NIKHEF-K

NUCLEAR REACTIONS 7Li, 19F(e, e), E=109 MeV; measured σ(θ=180°); 7Li(e, e'), E ≤ 140 MeV; measured transverse form factors.


1984LA16      J.Phys.(Paris), Colloq.C4, 57 (1984); See 1984La34

L.Lapikas, P.K.A.de Witt Huberts

Excitation of Nuclear Hole States by the (e, e'p) Reaction


1984LA34      J.Phys.(Paris), Colloq.C-4, 57 (1984)

L.Lapikas, P.K.A.de Witt Huberts

Excitation of Nuclear Hole States by the (e, e'p) Reaction

NUCLEAR REACTIONS 12C, 27Al, 51V(e, e'p), E ≤ 190 MeV/c; measured spectral functions.


1983PL02      Phys.Lett. 131B, 301 (1983)

S.K.Platchkov, J.M.Cavedon, J.C.Clemens, B.Frois, D.Goutte, M.Huet, P.Leconte, X.-H.Phan, S.Williamson, I.Sick, P.K.A.de Witt Huberts, L.Lapikas, B.Desplanques, J.F.Mathiot

The Magnetic Form Factor of 51V at very High Momentum Transfer

NUCLEAR REACTIONS 51V(e, e), E=325, 350, 375, 400 MeV; measured magnetic form factor; deduced M7 magnetic multipole dependence on wave function. Hartree-Fock theory, meson exchange, core polorization effects.

doi: 10.1016/0370-2693(83)90503-8
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1982PL04      Phys.Rev. C25, 2318 (1982)

S.K.Platchkov, J.B.Bellicard, J.M.Cavedon, B.Frois, D.Goutte, M.Huet, P.Leconte, Phan Xuan-Ho, P.K.A.de Witt Huberts, L.Lapikas, I.Sick

Magnetic Electron Scattering and Valence Nucleon Radial Wave Functions

NUCLEAR REACTIONS 49Ti, 51V, 59Co, 87Sr, 93Nb, 209Bi(e, e), E=175-325, 500 MeV; measured σ(θ, E). 49Ti, 51V, 87Sr, 93Nb deduced valence nucleon rms, charge radii. PWBA, DWBA analyses, meson exchange effects.

doi: 10.1103/PhysRevC.25.2318
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1982SE06      Z.Phys. A307, 247 (1982)

A.M.Selig, L.Lapikas, P.K.A.de Witt Huberts, T.Suzuki

Quenching of the M3 Strength in the Ground State of 65Cu

NUCLEAR REACTIONS 63,65Cu(e, e), E=40-90 MeV; measured σ, magnetic form factors. 63,65Cu deduced magnetic octupole moment. Shell model, core polarization, meson exchange effects.

doi: 10.1007/BF01438645
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1979PL03      Phys.Lett. 86B, 1 (1979)

S.K.Platchkov, J.B.Bellicard, J.M.Cavedon, B.Frois, D.Goutte, M.Huet, P.Leconte, P.X.Ho, I.Sick, P.K.A.de Witt Huberts, L.Lapikas

Radial Distribution of the 1f1/2 Neutron Orbit

NUCLEAR REACTIONS 49Ti(e, e), E=175-325, 500 MeV; measured σ; deduced differences in 1f1/2 n, p radii.

doi: 10.1016/0370-2693(79)90606-3
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