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NSR database version of April 11, 2024.

Search: Author = A.C.Fonseca

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2021LA03      Phys.Rev. C 103, 034311 (2021)

G.Laskaris, W.Ji, X.Yan, J.Zhou, W.R.Zimmerman, M.W.Ahmed, T.Averett, A.Deltuva, A.C.Fonseca, H.Gao, J.Golak, A.Kafkarkou, H.J.Karwowski, B.Lalremruata, J.Manfredi, J.M.Mueller, P.U.Sauer, R.Skibinski, A.P.Smith, M.B.Tsang, H.R.Weller, H.Witala, Y.K.Wu, Z.W.Zhao

First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from the 3He((pol)(γ(pol), p)2H reaction at an incident photon energy of 29 MeV

NUCLEAR REACTIONS 3He(polarized γ, p)2H, E=29 MeV; measured Ep, Ip, p(θ), time-of-flight, spin-dependent asymmetry and total σ using a circularly polarized, monoenergetic γ-ray beam and a longitudinally polarized 3He target, and an array of depleted silicon surface barrier detectors at the High Intensity γ-ray Source (HIγS) facility at TUNL; deduced contribution from the two-body photo-disintegration to the 3He Gerasimov-Drell-Hearn (GDH) integrands, and compared with the state-of-the art three-nucleon system calculations.

doi: 10.1103/PhysRevC.103.034311
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0271.


2017DE06      Phys.Rev. C 95, 024003 (2017)

A.Deltuva, A.C.Fonseca

Four-body calculation of 2H(d, p)3H and 2H(d, n)3He reactions above breakup threshold

NUCLEAR REACTIONS 2H(d, p), (polarized d, p)3H, E(cm)=5.0 to 25.3 MeV; 2H(d, n), (polarized d, n)3He, E(cm)=5.0 to 25.3 MeV; calculated differential σ(qnullE), analyzing powers, polarizations, spin transfer coefficients, total cross sections for transfer and breakup reactions using realistic two-nucleon potentials, including the Coulomb repulsion between protons. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.024003
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2017FO16      Few-Body Systems 58, 46 (2017)

A.C.Fonseca, A.Deltuva

Numerical Exact Ab Initio Four-Nucleon Scattering Calculations: from Dream to Reality

NUCLEAR REACTIONS 3He(n, n), (n, n'), (n, 2n), E=0-22 MeV; calculated total σ, breakup σ using CD Bonn and INOY04 potentials. Compared with data. 3H(n, n), E=14.1, 18.0, 22.1 MeV; calculated σ(θ). Compared with data. 3He(p, p), E=4.0, 8.52, 13.6, 19.4, 25.0, 35.0 MeV; calculated σ(θ) using CD Bonn and AVI18 potentials. Compared with data. 3He(p, p), E=8.52, 19.4, 30.0 MeV; calculated proton analyzing power vs cm angle, 3He analyzing power vs cm angle. Compared with data. 3He(n, n), (n, p), (n, 2n), (n, x), E=0-30 MeV; calculated σ, breakup σ using INOY04 potential. 3H(p, p), E=4.15-30 MeV; calculated σ(θ), proton analyzing power using INOY04, CD Bonn, CD Bonn plus Δ potentials. 3H(p, n), E=2.5-30 MeV; calculated σ(θ), proton analyzing power vs cm angle, proton-to-neutron polarization vs cm angle. 2H(d, d), E=3.0-25.3 MeV; calculated σ(θ). 2H(d, p), E=10 MeV; calculated deuteron analyzing power, outgoing particle polarization vs cm angle. Compared with data.

NUCLEAR STRUCTURE 3H, 3,4He; calculated binding energy, mass excess using CD Bonn and CD Bonn plus Δ potentials. Compared to data.

doi: 10.1007/s00601-017-1211-8
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2017VI03      Phys.Rev. C 95, 034003 (2017)

M.Viviani, A.Deltuva, R.Lazauskas, A.C.Fonseca, A.Kievsky, L.E.Marcucci

Benchmark calculation of p - 3H and n-3He scattering

NUCLEAR REACTIONS 3H(polarized n, n), E=1.0, 2.0, 3.5 MeV; 3H(polarized p, p), 3H(polarized p, n)3He, E=2.5, 3.5, 4.15 MeV; calculated differential σ(E), neutron, proton and 3He analyzing powers, spin-correlation coefficient using N3LO500 potential. Calculations used three techniques for elastic and charge-exchange processes: Alt, Grassberger, Sandhas (AGS), hyperspherical harmonics (HH), and Faddeev-Yakubovsky (FY). Comparison with experimental data.

doi: 10.1103/PhysRevC.95.034003
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2016DE09      Phys.Rev. C 93, 044001 (2016)

A.Deltuva, A.C.Fonseca

Three-cluster breakup in deuteron-deuteron collisions: Single-scattering approximation

NUCLEAR REACTIONS 2H(p, X), E=95, 200 MeV; calculated differential cross section for proton-deuteron breakup. 2H(polarized d, d), E=232 MeV; calculated σ(θ) and tensor analyzing powers T20, T22 and iT11. 2H(polarized d, X), E=130, 270 MeV; calculated differential cross section and tensor analyzing powers for the three-cluster breakup using the first term in Neumann series expansion of the corresponding exact four-nucleon equations and CD Bonn+Δ potential. Comparison with experimental data from KVI laboratory.

doi: 10.1103/PhysRevC.93.044001
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2015DE07      Phys.Rev. C 91, 034001 (2015)

A.Deltuva, A.C.Fonseca

Proton-3H scattering calculation: Elastic and charge-exchange reactions up to 30 MeV

NUCLEAR REACTIONS 3H(p, n)3He, E=6-30 MeV; analyzed data for differential σ(E, θ), proton analyzing powers Ay(E, θ), outgoing neutron polarization Py, proton-to-neutron polarization transfer coefficients using INOY04, CD Bonn, CD Bonn+Δ potentials.

doi: 10.1103/PhysRevC.91.034001
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2015DE26      Phys.Rev. C 92, 024001 (2015)

A.Deltuva, A.C.Fonseca

Four-body calculation of elastic deuteron-deuteron scattering

NUCLEAR REACTIONS 2H(d, d), (polarized d, d), E=4.75-25.3 MeV; analyzed elastic scattering σ(E, θ), tensor analyzing power T20, T21, T22, iT11(E, θ) using INOY04 potential, CD Bonn+Δ, CD Bonn, and N3LO potentials. Four-particle collision process described by exact Alt, Grassberger, and Sandhas (AGS) equations at energies above the three- and four-body breakup threshold.

doi: 10.1103/PhysRevC.92.024001
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2015LA22      Phys.Lett. B 750, 547 (2015)

G.Laskaris, X.Yan, J.M.Mueller, W.R.Zimmerman, W.Xiong, M.W.Ahmed, T.Averett, P.-H.Chu, A.Deltuva, C.Flower, A.C.Fonseca, H.Gao, J.Golak, J.N.Heideman, H.J.Karwowski, M.Meziane, P.U.Sauer, R.Skibinski, I.I.Strakovsky, H.R.Weller, H.Witala, Y.K.Wu

Measurement of the doubly-polarized 3He(pol)(γ(pol), n)pp reaction at 16.5 MeV and its implications for the GDH sum rule

NUCLEAR REACTIONS 3He(polarized γ, n), E=12.8, 14.7 MeV; measured reaction products, Eγ, Iγ, En, In; deduced σ(θ, E), σ, contribution from the three-body channel to the Gerasimov-Drell-Hearn (GDH) integrand. Comparison with available data, Monte Carlo simulations using GEANT4.

doi: 10.1016/j.physletb.2015.09.065
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0212.


2014CI06      Few-Body Systems 55, 639 (2014)

I.Ciepal, B.Klos, St.Kistryn, E.Stephan, A.Biegun, K.Bodek, A.Deltuva, E.Epelbaum, M.Eslami-Kalantari, A.C.Fonseca, J.Golak, V.Jha, N.Kalantar-Nayestanaki, H.Kamada, G.Khatri, Da.Kirillov, Di.Kirillov, St.Kliczewski, A.Kozela, M.Kravcikova, H.Machner, A.Magiera, G.Martinska, J.Messchendorp, A.Nogga, W.Parol, A.Ramazani-Moghaddam-Arani, B.J.Roy, H.Sakai, K.Sekiguchi, I.Sitnik, R.Siudak, R.Skibinski, R.Sworst, J.Urban, H.Witala, J.Zejma

Investigation of the Three-Nucleon System Dynamics in the Deuteron-Proton Breakup Reaction

NUCLEAR REACTIONS 1H(d, 2p), E=100, 130 MeV; measured reaction products, Ep, Ip; deduced σ, σ(θ). Comparison with available data.

doi: 10.1007/s00601-014-0841-3
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2014DE24      Phys.Rev.Lett. 113, 102502 (2014)

A.Deltuva, A.C.Fonseca

Calculation of Multichannel Reactions in the Four-Nucleon System above Breakup Threshold

NUCLEAR REACTIONS 3H(p, d), (p, n), (p, X), E=7-18 MeV; calculated σ, σ(θ). INOY04 and CD Bonn potentials, comparison with available data.

doi: 10.1103/PhysRevLett.113.102502
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2014DE39      Phys.Rev. C 90, 044002 (2014)

A.Deltuva, A.C.Fonseca

Calculation of neutron-3He scattering up to 30 MeV

NUCLEAR REACTIONS 3He(n, n), (n, n'), E(cm)<30 MeV; calculated differential σ(θ, E), elastic, total and partial σ(E), neutron and 3He target analyzing powers Ay(θ, E), spin correlation coefficient, neutron spin transfer coefficient. 3He(n, p)3H, E(cm)=14.4 MeV; 3He(n, d)2H, E(cm)=14.4 MeV; calculated differential σ(θ). Solution of the Alt, Grassberger, and Sandhas (AGS) equations for the four-nucleon transition operators in the momentum-space framework using realistic nuclear force models. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.044002
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2014LA04      Phys.Rev. C 89, 024002 (2014)

G.Laskaris, Q.Ye, B.Lalremruata, Q.J.Ye, M.W.Ahmed, T.Averett, A.Deltuva, D.Dutta, A.C.Fonseca, H.Gao, J.Golak, M.Huang, H.J.Karwowski, J.M.Mueller, L.S.Myers, C.Peng, B.A.Perdue, X.Qian, P.U.Sauer, R.Skibinski, S.Stave, J.R.Tompkins, H.R.Weller, H.Witala, Y.K.Wu, Y.Zhang, W.Zheng

Spin-dependent cross sections from the three-body photodisintegration of 3He at incident energies of 12.8 and 14.7 MeV

NUCLEAR REACTIONS 3He(polarized γ, n), E=12.8, 14.7 MeV; measured time-of-flight spectra, γ spectra, and neutron spectra from three-body breakup of 3He using 16 liquid scintillator detectors, spin-dependent double-differential σ(E, θ) at HiγS-TUNL facility. Monoenergetic circularly polarized γ beam, and longitudinally polarized 3He target. Comparison with previous experimental results, and with theoretical calculations.

doi: 10.1103/PhysRevC.89.024002
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0181.


2013DE01      Phys.Rev. C 87, 014002 (2013)

A.Deltuva, A.C.Fonseca

3H production via neutron-neutron-deuteron recombination

NUCLEAR REACTIONS 2H(n, X), (n, n)3H, E not given; calculated n-n-d recombination rate K3. 3He(n, n), E=9 MeV; calculated σ(θ). 3He(n, n'), E=0-25 MeV; calculated total σ(E). Realistic nucleon-nucleon potential models. Exact Alt, Grassberger, and Sandhas equations. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.014002
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2013DE13      Phys.Rev. C 87, 054002 (2013)

A.Deltuva, A.C.Fonseca

Calculation of proton-3He elastic scattering between 7 and 35 MeV

NUCLEAR REACTIONS 3He(p, p), E=7-35 MeV; calculated differential σ(θ, E), analyzing powers Ay(θ, E), spin correlation, proton spin transfer coefficients using Alt, Grassberger, and Sandhas (AGS) scattering equations with realistic potentials above the three- and four-cluster breakup threshold. Comparison with experimental data, and other theoretical calculations.

doi: 10.1103/PhysRevC.87.054002
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2013ES01      Phys.Rev.Lett. 110, 152503 (2013)

J.Esterline, W.Tornow, A.Deltuva, A.C.Fonseca

Analyzing Power Ay(θ) of n(pol)-3He Elastic Scattering between 1.60 and 5.54 MeV

NUCLEAR REACTIONS 3He(polarized n, n), E=1.6-5.54 MeV; measured reaction products, En, In; deduced analyzing power, scattering parameters, θ(θ). Comparison with available data.

doi: 10.1103/PhysRevLett.110.152503
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14366.


2013KL01      Acta Phys.Pol. B44, 345 (2013)

B.Klos, I.Ciepal, St.Kistryn, E.Stephan, A.Biegun, K.Bodek, A.Deltuva, E.Epelbaum, M.Eslami-Kalantari, A.C.Fonseca, J.Golak, B.Jamroz, V.Jha, N.Kalantar-Nayestanaki, H.Kamada, G.Khatri, Da.Kirillov, Di.Kirillov, St.Kliczewski, A.Kozela, M.Kravcikova, H.Machner, A.Magiera, G.Martinska, J.Messchendorp, A.Nogga, W.Parol, A.Ramazani-Moghaddam-Arani, B.J.Roy, H.Sakai, K.Sekiguchi, I.Sitnik, R.Siudak, R.Skibinski, R.Sworst, J.Urban, H.Witala, A.Wronska, J.Zejma

Systematic Studies of the Three-nucleon System Dynamics in the Deuteron-Proton Breakup Reaction

NUCLEAR REACTIONS 1H(pol d, 2p), E=100, 130, 160 MeV; analyzed available data; deduced 3N system dynamics, 3NF effects.

doi: 10.5506/APhysPolB.44.345
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2013LA14      Phys.Rev.Lett. 110, 202501 (2013)

G.Laskaris, Q.Ye, B.Lalremruata, Q.J.Ye, M.W.Ahmed, T.Averett, A.Deltuva, D.Dutta, A.C.Fonseca, H.Gao, J.Golak, M.Huang, H.J.Karwowski, J.M.Mueller, L.S.Myers, C.Peng, B.A.Perdue, X.Qian, P.U.Sauer, R.Skibinski, S.Stave, J.R.Tompkins, H.R.Weller, H.Witala, Y.K.Wu, Y.Zhang, W.Zheng

First Measurements of Spin-Dependent Double-Differential Cross Sections and the Gerasimov-Drell-Hearn Integrand from 3He(pol) (γ(pol), n)pp at Incident Photon Energies of 12.8 and 14.7 MeV

NUCLEAR REACTIONS 3He(polarized γ, n), E=12.8, 14.7 MeV; measured reaction products, En, In; deduced σ, σ(θ, E) and their uncertainties, contributions from the three-body photodisintegration to the 3He Gerasimov-Drell-Hearn integrand. Comparison with available data.

doi: 10.1103/PhysRevLett.110.202501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0181.


2013ST06      Eur.Phys.J. A 49, 36 (2013)

E.Stephan, St.Kistryn, A.Biegun, K.Bodek, I.Ciepal, A.Deltuva, M.Eslami-Kalantari, A.C.Fonseca, I.Gasparic, J.Golak, L.Joulaeizadeh, N.Kalantar-Nayestanaki, H.Kamada, B.Klos, A.Kozela, J.G.Messchendorp, H.Moeini, A.Nogga, W.Parol, A.Ramazani-Moghaddam-Arani, R.Skibinski, R.Sworst, A.Wilczek, H.Witala, J.Zejma

Vector analyzing powers of the deuteron-proton elastic scattering and breakup at 100 MeV

NUCLEAR REACTIONS 1H(polarized d, d), (polarized d, pn), E=100 MeV; measured charged reaction products using BINA (Big Instrument for Nuclear Polarization Analysis) with vector and tensor polarized incident deuterons; deduced asymmetry, analyzing power; calculated asymmetry, analyzing power using charge-dependent Bonn potential alone and with TM99 three-nucleon force and coupled channels.

doi: 10.1140/epja/i2013-13036-5
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2012CI01      Phys.Rev. C 85, 017001 (2012)

I.Ciepal, St.Kistryn, E.Stephan, A.Biegun, K.Bodek, A.Deltuva, E.Epelbaum, M.Eslami-Kalantari, A.Fonseca, J.Golak, V.Jha, N.Kalantar-Nayestanaki, H.Kamada, G.Khatri, Da.Kirillov, Di.Kirillov, M.Kis, St.Kliczewski, B.Klos, A.Kozela, M.Kravcikova, M.Lesiak, H.Machner, A.Magiera, G.Martinska, J.Messchendorp, A.Nogga, W.Parol, A.Ramazani-Moghaddam-Arani, B.J.Roy, H.Sakai, K.Sekiguchi, I.Sitnik, R.Siudak, R.Skibinski, R.Sworst, J.Urban, H.Witala, A.Wronska, J.Zejma

Vector analyzing powers of deuteron-proton elastic scattering and breakup at 130 MeV

NUCLEAR REACTIONS 1H(polarized d, d), (polarized d, 2p), E=130 MeV; measured Ep, Ip, Ed, Id, pp-coin, vector analyzing powers of the elastic reaction iT11 and breakup process; deduced effects of three nucleon force and Coulomb interaction. COSY accelerator and GwWall detector at Julich. Comparison with theoretical predictions from realistic NN potential, NN potential combined with a three-nucleon force model, and ChPT framework.

doi: 10.1103/PhysRevC.85.017001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1974.


2012DE12      Phys.Rev. C 86, 011001 (2012)

A.Deltuva, A.C.Fonseca

Neutron-3H scattering above the four-nucleon breakup threshold

NUCLEAR REACTIONS 3H(n, n), E=14.1, 18.0, 22.1 MeV; calculated differential σ(E, θ), analyzing powers Ay(E, θ), phase shifts, break up and total cross sections. Alt, Grassberger and Sandhas (AGS) integral equations for four-nucleon transition operators. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.011001
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2011CR02      Phys.Rev. C 83, 054613 (2011)

R.Crespo, M.Rodriguez-Gallardo, A.M.Moro, A.Deltuva, E.Cravo, A.C.Fonseca

Resonant breakup of 19C on a proton target

NUCLEAR REACTIONS 1H(19C, p), E=70 MeV/nucleon; calculated differential energy distribution for the resonant breakup, σ(θ). Faddeev-Alt, Grassberger, Sandhas (Faddeev-AGS) and continuum-discretized coupled-channels (CDCC) reaction frameworks using three-body model (18C+n+p) for the reaction.

doi: 10.1103/PhysRevC.83.054613
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2011DE04      Few-Body Systems 49, 27 (2011)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Few-Nucleon Calculations With Δ Degrees of Freedom

NUCLEAR STRUCTURE 3H, 3,4He; calculated binding energies. Realistic coupled channel potential CD Bonn + Δ.

NUCLEAR REACTIONS 2H(p, p), E=135, 250 MeV;3He(p, p), E=5.54 MeV; calculated σ(θ). Realistic coupled channel potential CD Bonn + Δ.

doi: 10.1007/s00601-010-0110-z
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2011KI08      Few-Body Systems 50, 235 (2011)

St.Kistryn, E.Stephan, N.Kalantar-Nayestanaki, A.Biegun, K.Bodek, I.Ciepal, A.Deltuva, M.Eslami-Kalantari, A.C.Fonseca, M.Kis, B.Klos, A.Kozela, M.Mahjour-Shafiei, J.Messchendorp, A.Micherdzinska, W.Parol, A.Ramazani-Moghaddam-Arani, R.Sworst, J.Zejma

Cross Sections of the Deuteron-Proton Breakup at 130 MeV: A Probe of Three-Nucleon System Dynamics

NUCLEAR REACTIONS 1H(d, 2p), E=130 MeV; analyzed experimental and theoretical σ data; deduced importance of three-nucleon and Coulomb forces for σ values.

doi: 10.1007/s00601-010-0206-5
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2011TO06      Phys.Lett. B 702, 121 (2011)

W.Tornow, H.J.Karwowski, J.H.Kelley, R.Raut, G.Rusev, S.C.Stave, A.P.Tonchev, A.Deltuva, A.C.Fonseca, L.E.Marcucci, M.Viviani, A.Kievsky, J.Golak, R.Skibinski, H.Witala, R.Schiavilla

Two-body photodisintegration of 3He between 7 and 16 MeV

NUCLEAR REACTIONS 3He(γ, p), E=7-16 MeV; measured reaction products, Ep, Ip; deduced σ. Comparison with theoretical calculations and experimental data.

doi: 10.1016/j.physletb.2011.06.080
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0168.


2011VI06      Phys.Rev. C 84, 054010 (2011)

M.Viviani, A.Deltuva, R.Lazauskas, J.Carbonell, A.C.Fonseca, A.Kievsky, L.E.Marcucci, S.Rosati

Benchmark calculation of n-3H and p-3He scattering

NUCLEAR REACTIONS 3He(p, p), E=2.25, 4.05, 5.54 MeV; 3H(n, n), E=1.0, 2.0, 3.5, 6.0 MeV; analyzed phase shifts, mixing parameters, total cross sections, differential σ(θ), neutron and triton analyzing powers using AGS, HS, and FY methods with I-N3LO, Argonne v18, CD Bonn interactions for four-nucleon problem.

doi: 10.1103/PhysRevC.84.054010
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2010DE03      Phys.Rev. C 81, 019802 (2010)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Comment on "Exact three-dimensional wave function and the on-shell t matrix for the sharply cut-off Coulomb potential: Failure of the standard renormalization factor"

doi: 10.1103/PhysRevC.81.019802
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2010DE17      Phys.Rev. C 81, 054002 (2010)

A.Deltuva, A.C.Fonseca

Polarization observables and spin-aligned fusion rates in 2H(d, p)3H and 2H(d, n)3He reactions

NUCLEAR REACTIONS 2H(d, p), (d, n), E=1.5, 3, 4 MeV; calculated vector analyzing powers iT11, tensor analyzing powers T20, T21, T22, σ(θ), outgoing nucleon polarization, spin transfer coefficients, quintet suppression factor by solving exact four particle equations in momentum space and various realistic potentials between nucleon pairs. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.054002
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2010ST08      Phys.Rev. C 82, 014003 (2010)

E.Stephan, St.Kistryn, R.Sworst, A.Biegun, K.Bodek, I.Ciepal, A.Deltuva, E.Epelbaum, A.C.Fonseca, J.Golak, N.Kalantar-Nayestanaki, H.Kamada, M.Kis, B.Klos, A.Kozela, M.Mahjour-Shafiei, A.Micherdzinska, A.Nogga, R.Skibinski, H.Witala, A.Wronska, J.Zejma, W.Zipper

Vector and tensor analyzing powers in deuteron-proton breakup at 130 MeV

NUCLEAR REACTIONS 1H(polarized d, 2p), E=130 MeV; measured proton and deuteron spectra, vector and tensor analyzing powers; deduced asymmetry distributions. Vector- and tensor-polarized deuteron beam. Comparison with coupled-channels calculations and with Chiral perturbed theory.

doi: 10.1103/PhysRevC.82.014003
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2009CR01      Phys.Rev. C 79, 014609 (2009)

R.Crespo, A.Deltuva, M.Rodriguez-Gallardo, E.Cravo, A.C.Fonseca

Spectroscopy of unbound states under quasifree scattering conditions: One-neutron knockout reaction of 14Be

NUCLEAR REACTIONS 1H(14Be, 12Be), (14Be, 13Be), E=69 MeV/nucleon; calculated σ, transverse momentum distributions. Full Faddeev-type calculations.

doi: 10.1103/PhysRevC.79.014609
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2009CR04      Phys.Rev. C 79, 064610 (2009)

E.Cravo, R.Crespo, A.Deltuva, A.C.Fonseca

Resonant and nonresonant breakup of 11Be on a proton target

NUCLEAR REACTIONS 1H(11Be, X), E=63.7 MeV/nucleon; calculated σ, energy spectra, σ(θ) for breakup into 10Be+neutron using full Faddeev-type calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.064610
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2009CR07      Eur.Phys.J. A 42, 609 (2009)

R.Crespo, A.Deltuva, E.Cravo, M.Rodriguez-Gallardo, A.C.Fonseca

One-neutron knockout reaction of halo nuclei

NUCLEAR REACTIONS 1H(11Be, 10Be), E=38.4, 200 MeV/nucleon; calculated σ(θ, E) in a three-body multiple scattering framework. Comparison with PWIA.

doi: 10.1140/epja/i2008-10757-4
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2009DE02      Phys.Rev. C 79, 014606 (2009)

A.Deltuva, A.C.Fonseca

Three-body Faddeev-Alt-Grassberger-Sandhas approach to direct nuclear reactions

NUCLEAR REACTIONS 12C(d, d), (d, p), E=30 MeV; 16O(d, d), (d, p), E=25.4, 36.0, 63.2 MeV; 13C(p, p), (p, d), (p, n), E=35 MeV; 17O(p, p), (p, d), (p, n), E=35.2 MeV; calculated σ(θ), binding energies. Momentum-space three-body Fadeev-like equations. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.014606
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2009DE48      Phys.Rev. C 80, 064004 (2009)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Relativistic corrections of one-nucleon current in low-energy three-nucleon photonuclear reactions

NUCLEAR REACTIONS 1H(d, γ), E=10, 17.5, 29, 45 MeV; 2H(p, γ), E=5, 100 MeV; calculated analyzing powers and σ(θ) for radiative captures as functions of d-3He and p-γ scattering angles. 3He(γ, X), E=11.4, 15.2, 20.6 MeV; calculated linear photon asymmetry, analyzing powers, parallel-antiparallel spin asymmetry, and differential cross sections of two- and three-body photodisintegration of 3He as functions of p-γ scattering angle and nucleon energy. Realistic hadronic dynamics calculations including the Coulomb force. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.064004
Citations: PlumX Metrics


2009FO06      Phys.Rev. C 80, 027001 (2009)

A.C.Fonseca, R.Machleidt, G.A.Miller

Nucleon-nucleon charge symmetry breaking and the dd → απ0 reaction

doi: 10.1103/PhysRevC.80.027001
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2009RO31      Eur.Phys.J. A 42, 601 (2009)

M.Rodriguez-Gallardo, A.Deltuva, R.Crespo, E.Cravo, A.C.Fonseca

Two-body scattering without angular-momentum decomposition: Fully off-shell T-matrices

NUCLEAR REACTIONS 12C(10Be, 10Be), E=49.3 MeV/nucleon; calculated σ(θ) relative to Rutherford and related features using the Lippmann-Schwinger method.

doi: 10.1140/epja/i2008-10744-9
Citations: PlumX Metrics


2009ST27      Eur.Phys.J. A 42, 13 (2009)

E.Stephan, St.Kistryn, A.Biegun, K.Bodek, I.Ciepal, A.Deltuva, E.Epelbaum, A.C.Fonseca, J.Golak, N.Kalantar-Nayestanaki, H.Kamada, M.Kis, B.Klos, A.Kozela, M.Mahjour-Shafiei, A.Micherdzinska, A.Nogga, R.Skibinski, R.Sworst, H.Witala, J.Zejma, W.Zipper

Precise set of tensor analyzing power T20 data for the deuteron-proton breakup at 130 MeV

NUCLEAR REACTIONS 1H(polarized d, 2p), E=130 MeV; measured proton spectra, charged-particle spectra, proton(charged-particle)-coin for several polarization states; deduced tensor analyzing powers. Comparison with various models.

doi: 10.1140/epja/i2009-10865-7
Citations: PlumX Metrics


2008CR01      Phys.Rev. C 77, 024601 (2008)

R.Crespo, A.Deltuva, E.Cravo, M.Rodriguez-Gallardo, A.C.Fonseca

Multiple scattering effects in quasifree scattering from halo nuclei: A test of the distorted-wave impulse approximation

NUCLEAR REACTIONS p(11Be, n10Be), (11Be, np), E=38.4, 100, 200 MeV/nucleon; calculated cross sections. Faddeev calculations.

doi: 10.1103/PhysRevC.77.024601
Citations: PlumX Metrics


2008DE02      Phys.Lett. B 660, 471 (2008)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Four-nucleon system with Δ-isobar excitation

NUCLEAR STRUCTURE 3H, 3,4He; calculated binding energies using a coupled channel potential.

NUCLEAR REACTIONS 3H(n, n), E=0-6 MeV; analyzed σ. 3He(p, p), E=5.54 MeV; 3H(p, n), E=6 MeV; 2H(d, d), (d, p), (d, n), E=3 MeV; analyzed σ(θ), analyzing powers. Two-baryon coupled-channel potential with the higher order 3N and 4N forces.

doi: 10.1016/j.physletb.2007.12.058
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2008DE04      Phys.Rev. C 77, 024002 (2008)

A.Deltuva, A.C.Fonseca, S.K.Bogner

Low-momentum interactions in three- and four-nucleon scattering

NUCLEAR REACTIONS 2H(n, n), E=13 MeV; calculated binding energy, σ(θ), analyzing power. 3H(n, n), E=3.5 MeV; calculated cross sections, neutron analyzing power.

doi: 10.1103/PhysRevC.77.024002
Citations: PlumX Metrics


2008FO06      Nucl.Phys. A805, 180c (2008)

A.C.Fonseca

Few-body ab initio scattering calculations including Coulomb

NUCLEAR REACTIONS 1H(d, X), E=94.5, 130 MeV; 2H(p, p), E=3, 10, 13 MeV; 3He(γ, pn), E=55, 85 MeV; 3He(p, p), E=2.25, 4.0, 5.54 MeV; 3He(n, n), E=1.0, 3.5, 3.7 MeV; 12C(d, d), E=56 MeV; analyzed σ, σ(θ), Ay using three- and four-nucleon scattering equations in momentum space.

doi: 10.1016/j.nuclphysa.2008.02.246
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2008KI21      Few-Body Systems 44, 11 (2008)

St.Kistryn, E.Stephan, N.Kalantar-Nayestanaki, A.Biegun, K.Bodek, I.Ciepal, A.Deltuva, E.Epelbaum, A.C.Fonseca, W.Glockle, J.Golak, H.Kamada, M.Kis, B.Klos, A.Kozela, A.Nogga, M.Mahjour-Shafiei, A.Micherdzinska, P.U.Sauer, R.Skibinski, R.Sworst, H.Witala, J.Zejma, W.Zipper

Studies of the three-nucleon system dynamics: Cross sections of the deuteron-proton breakup at 130 MeV

NUCLEAR REACTIONS 1H(polarized d, 2p), E=130 MeV; measured particle spectra, break-up cross sections.

doi: 10.1007/s00601-008-0245-3
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2008RO24      Phys.Rev. C 78, 034602 (2008)

M.Rodriguez-Gallardo, A.Deltuva, E.Cravo, R.Crespo, A.C.Fonseca

Two-body scattering without angular-momentum decomposition

NUCLEAR REACTIONS 10Be, 16O(p, p), E=50, 100, 150, 200 MeV; 10Be(12C, 12C), E=49.3 MeV/nucleon; calculated σ(θ), analyzing powers. Lippman Schwinger equation.

doi: 10.1103/PhysRevC.78.034602
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2007CR04      Phys.Rev. C 76, 014620 (2007)

R.Crespo, E.Cravo, A.Deltuva, M.Rodriguez-Gallardo, A.C.Fonseca

Rescattering effects in proton elastic scattering from halo nuclei: A test of the Glauber approximation

NUCLEAR REACTIONS 11Be(p, p), E=100-200 MeV/nucleon; calculated σ and angular distributions using the Faddeev/AGS three-body scattering framework.

doi: 10.1103/PhysRevC.76.014620
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2007DE04      Phys.Rev. C 75, 014005 (2007)

A.Deltuva, A.C.Fonseca

Four-nucleon scattering: Ab initio calculations in momentum space

NUCLEAR REACTIONS 3H(n, X), E=0.1-7 MeV; calculated total σ, phase shifts. 3H(n, n), E=1-6 MeV; calculated σ(θ), Ay(θ). Four-body equations.

NUCLEAR STRUCTURE 3H, 4He; calculated binding energies.

doi: 10.1103/PhysRevC.75.014005
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2007DE20      Phys.Rev.Lett. 98, 162502 (2007)

A.Deltuva, A.C.Fonseca

Four-Body Calculation of Proton-3He Scattering

NUCLEAR REACTIONS 3He(p, p), E=2.25, 4.0, 5.54 MeV; calculated σ(θ), Ay(θ), spin correlation coefficients. Four-body equations, comparison with data.

doi: 10.1103/PhysRevLett.98.162502
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2007DE38      Nucl.Phys. A790, 52c (2007)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Treatment of the Coulomb interaction in three-nucleon reactions

NUCLEAR REACTIONS 2H(p, p), E=3 MeV; calculated σ(θ), analyzing powers. 2H(p, np), E=13 MeV; calculated σ(E, θ). Perturbative approach for screened Coulomb interaction.

doi: 10.1016/j.nuclphysa.2007.03.031
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2007DE39      Nucl.Phys. A790, 272c (2007)

A.Deltuva, A.C.Fonseca

Four-nucleon scattering: a new numerical approach

NUCLEAR REACTIONS 3H(n, X), E(cm)≈ 0.1-7 MeV; calculated total σ, phase shifts. 3H(n, n), E=3.5 MeV; calculated total σ, phase shifts and mixing parameter. 3He(p, p), E=4.0, 5.54 MeV; calculated σ(θ), analyzing powers, spin correlation coefficients. Four-body equations, comparison with data.

doi: 10.1016/j.nuclphysa.2007.03.043
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2007DE40      Nucl.Phys. A790, 344c (2007)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Study of the Coulomb effect in the photodisintegration of 3He

NUCLEAR REACTIONS 3He(γ, X), E≈7-17 MeV; calculated total σ. 3He(γ, np), E=55, 85 MeV; calculated σ(θ). 3He(γ, n), (γ, p)E=15 MeV; calculated σ(E, θ), photon asymmetry. Screening and renormalization approach for inclusion of Coulomb interaction.

doi: 10.1016/j.nuclphysa.2007.03.062
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2007DE41      Phys.Rev. C 76, 021001 (2007)

A.Deltuva, A.C.Fonseca

Ab initio four-body calculation of n-3He, p-3H, and d-d scattering

NUCLEAR REACTIONS 3He(n, n'), E=1.0, 3.5, 3.7 MeV; 3H(p, p'), E=4.15 MeV; 2H(d, d'), E=3 meV; 3H(p, n), E=2.48, 6.0 MeV; 2H(d, p), (d, n), E=3 MeV; calculated σ, angular distributions and analyzing powers.

doi: 10.1103/PhysRevC.76.021001
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2007DE59      Phys.Rev. C 76, 064602 (2007)

A.Deltuva, A.M.Moro, E.Cravo, F.M.Nunes, A.C.Fonseca

Three-body description of direct nuclear reactions: Comparison with the continuum discretized coupled channels method

NUCLEAR REACTIONS 12C(d, X), E=56 MeV; 58Ni(d, X), E=80 MeV; p(11Be, X), E=38.4 MeV/nucleon; calculated cross-sections, angular distributions using continuum discretized coupled channels. Comparisons with solution to three-body Faddeev equations and experiment.

doi: 10.1103/PhysRevC.76.064602
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2007MA46      Phys.Rev. C 76, 014004 (2007)

Y.Maeda, H.Sakai, K.Fujita, M.B.Greenfield, K.Hatanaka, M.Hatano, J.Kamiya, T.Kawabata, H.Kuboki, H.Okamura, J.Rapaport, T.Saito, Y.Sakemi, M.Sasano, K.Sekiguchi, Y.Shimizu, K.Suda, Y.Tameshige, A.Tamii, T.Wakasa, K.Yako, J.Blomgren, P.Mermod, A.Ohrn, M.Osterlund, H.Witala, A.Deltuva, A.C.Fonseca, P.U.Sauer, W.Glockle, J.Golak, H.Kamada, A.Nogga, R.Skibinski

Differential cross section and analyzing power measurements for (n-pol, d) elastic scattering at 248 MeV

NUCLEAR REACTIONS 2H(n, n), E=248 MeV; measured En, σ and vector analyzing power.

doi: 10.1103/PhysRevC.76.014004
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22983.


2007MI15      Phys.Rev. C 75, 054001 (2007)

A.M.Micherdzinska, P.V.Pancella, E.J.Stephenson, A.D.Bacher, C.E.Allgower, A.C.Fonseca, C.M.Lavelle, H.Nann, J.Olmsted, M.A.Pickar, A.Smith

Deuteron-deuteron elastic scattering at 231.8 MeV

NUCLEAR REACTIONS 2H(d, d), E=231.8 MeV; measured σ, angular distributions and analyzing powers. Compared results to calculations.

doi: 10.1103/PhysRevC.75.054001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1556.


2007ST29      Phys.Rev. C 76, 057001 (2007)

E.Stephan, St.Kistryn, R.Sworst, A.Biegun, K.Bodek, I.Ciepal, A.Deltuva, E.Epelbaum, A.Fonseca, W.Glockle, J.Golak, N.Kalantar-Nayestanaki, H.Kamada, M.Kis, A.Kozela, M.Mahjour-Shafiei, A.Micherdzinska, A.Nogga, P.U.Sauer, R.Skibinski, H.Witala, J.Zejma, W.Zipper

Vector and tensor analyzing powers of elastic deuteron-proton scattering at 130 MeV deuteron beam energy

NUCLEAR REACTIONS 1H(polarized d, d), E=130 MeV; measured cross sections, angular distributions, vector and tensor analyzing powers.

doi: 10.1103/PhysRevC.76.057001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1434.


2006DE26      Phys.Rev. C 73, 057001 (2006)

A.Deltuva, A.C.Fonseca, P.U.Sauer

New calculation schemes for proton-deuteron scattering including the Coulomb interaction

NUCLEAR REACTIONS 2H(p, p), E=3 MeV; calculated analyzing powers. 2H(p, np), E=130 MeV; calculated σ(E, θ), analyzing power. Perturbative approach for screened Coulomb interaction.

doi: 10.1103/PhysRevC.73.057001
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2006KI13      Phys.Lett. B 641, 23 (2006)

St.Kistryn, E.Stephan, B.Klos, A.Biegun, K.Bodek, I.Ciepal, A.Deltuva, A.C.Fonseca, N.Kalantar-Nayestanaki, M.Kis, A.Kozela, M.Mahjour-Shafiei, A.Micherdzinska, P.U.Sauer, R.Sworst, J.Zejma, W.Zipper

Evidence of the Coulomb-force effects in the cross-sections of the deuteron-proton breakup at 130 MeV

NUCLEAR REACTIONS 1H(polarized d, 2p), E=130 MeV; measured σ(θ); deduced Coulomb effects. Comparison with coupled-channel model.

doi: 10.1016/j.physletb.2006.08.013
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1450.


2006LE23      Phys.Rev. C 73, 064001 (2006)

J.Ley, C.Duweke, R.Emmerich, A.Imig, H.Paetz gen.Schieck, J.Golak, H.Witala, E.Epelbaum, A.Deltuva, A.C.Fonseca, W.Glockle, U.-G.Meissner, A.Nogga, P.U.Sauer

Cross sections and tensor analyzing powers Ayy of the reaction 1H(d(pol), pp)n in "symmetric constant relative energy" geometries at Ed = 19 MeV

NUCLEAR REACTIONS 1H(polarized d, 2p), E=19 MeV; measured σ(E, θ), tensor analyzing powers Ayy for four geometries. Comparisons with Faddeev calculations using phenomenological NN potentials with and without three-body forces, effect of Delta and Coulomb interaction, chiral forces.

doi: 10.1103/PhysRevC.73.064001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1432.


2006NO08      Phys.Lett. B 639, 465 (2006)

A.Nogga, A.C.Fonseca, A.Gardestig, C.Hanhart, C.J.Horowitz, G.A.Miller, J.A.Niskanen, U.van Kolck

Realistic few-body physics in the dd → απ0

NUCLEAR REACTIONS 2H(d, π0), E=293 MeV; calculated σ, related matrix elements. Effective field theory with four-body theory.

doi: 10.1016/j.physletb.2006.04.058
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2005DE17      Phys.Rev. C 71, 054005 (2005)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Momentum-space treatment of the Coulomb interaction in three-nucleon reactions with two protons

NUCLEAR REACTIONS 2H(p, p), E=3, 9, 10, 135 MeV; 2H(p, γ), E=3, 150 MeV; 1H(d, γ), E=17.5 MeV; calculated σ(θ), analyzing powers. 3He(e, e'p), E=66-530 MeV; calculated σ(E, θ).

doi: 10.1103/PhysRevC.71.054005
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2005DE21      Phys.Rev. C 71, 064003 (2005)

A.Deltuva, A.C.Fonseca, A.Kievsky, S.Rosati, P.U.Sauer, M.Viviani

Benchmark calculation for proton-deuteron elastic scattering observables including the Coulomb interaction

NUCLEAR REACTIONS 2H(p, p), E=3-65 MeV; calculated σ(θ), proton and deuteron analyzing powers, tensor analyzing powers, spin transfer coefficients.

doi: 10.1103/PhysRevC.71.064003
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2005DE39      Phys.Rev.Lett. 95, 092301 (2005)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Calculation of Proton-Deuteron Breakup Reactions including the Coulomb Interaction between the Two Protons

NUCLEAR REACTIONS 2H(p, np), E=13, 65, 130 MeV; calculated σ(E, θ), Ay(θ), Coulomb interaction effects.

doi: 10.1103/PhysRevLett.95.092301
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2005DE56      Phys.Rev. C 72, 054004 (2005); Erratum Phys.Rev. C 72, 059903 (2005)

A.Deltuva, A.C.Fonseca, P.U.Sauer

Momentum-space description of three-nucleon breakup reactions including the Coulomb interaction

NUCLEAR REACTIONS 2H(p, np), E=10-130 MeV; 3He(γ, np), E ≈ 15-85 MeV; calculated σ(E, θ), analyzing powers, response functions. Screening and renormalization approach for inclusion of Coulomb interaction.

doi: 10.1103/PhysRevC.72.054004
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2005LA06      Phys.Rev. C 71, 034004 (2005)

R.Lazauskas, J.Carbonell, A.C.Fonseca, M.Viviani, A.Kievsky, S.Rosati

Low energy n-3H scattering: A novel testground for nuclear interactions

NUCLEAR REACTIONS 3H(n, n), E(cm)=0.1-5 MeV; calculated phase shifts, total σ. Three methods compared.

doi: 10.1103/PhysRevC.71.034004
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2004DE11      Phys.Rev. C 69, 034004 (2004)

A.Deltuva, L.P.Yuan, J.Adam, Jr., A.C.Fonseca, P.U.Sauer

Trinucleon photonuclear reactions with Δ-isobar excitation: Processes below pion-production threshold

NUCLEAR REACTIONS 2H(p, γ), E=100, 150 MeV; calculated σ(θ), analyzing powers. 1H(d, γ), E=20, 95 MeV; calculated σ(θ). 3H(γ, np), E=5-30 MeV; calculated photodisintegration σ. 3He(γ, np), E=85-140 MeV; calculated σ(θ). Charge-dependent potential, role of isobar excitation discussed. Comparisons with data.

doi: 10.1103/PhysRevC.69.034004
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2004GA22      Phys.Rev. C 69, 044606 (2004)

A.Gardestig, C.J.Horowitz, A.Nogga, A.C.Fonseca, C.Hanhart, G.A.Miller, J.A.Niskanen, U.van Kolck

Survey of charge symmetry breaking operators for dd → απ0

NUCLEAR REACTIONS 2H(d, π0), E=228.5, 231.8 MeV; calculated pion production total σ, charge symmetry breaking amplitudes; deduced reaction mechanism features. Effective field theory approach.

doi: 10.1103/PhysRevC.69.044606
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2003CH05      Phys.Rev. C 67, 014002 (2003)

K.Chmielewski, A.Deltuva, A.C.Fonseca, S.Nemoto, P.U.Sauer

Breakup in nucleon-deuteron scattering with Δ-isobar excitation

NUCLEAR REACTIONS 2H(p, np), E=13, 65 MeV; 1H(d, np), E=52 MeV; calculated σ(E, θ), analyzing powers. Coupled-channel two-baryon potential, Δ-isobar excitation, comparisons with data.

doi: 10.1103/PhysRevC.67.014002
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2002CR05      Phys.Rev. C66, 014001 (2002)

E.Cravo, A.C.Fonseca, Y.Koike

Three-Body Calculation of the Structure of Λ9Be

NUCLEAR STRUCTURE 9Be; calculated hypernucleus levels, J, π, μ, quadrupole moments, resonance features. Three-body calculation, comparison with data.

doi: 10.1103/PhysRevC.66.014001
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2002FO05      Few-Body Systems 31, 139 (2002)

A.C.Fonseca, G.Hale, J.Haidenbauer

Four-Nucleon States in the Continuum: A means to probe the nucleon-nucleon interaction

NUCLEAR REACTIONS 3He(polarized n, n), E=1-8 MeV; calculated σ, σ(θ), Ay(θ), resonance features. Comparison with data, several nucleon-nucleon interactions considered.

doi: 10.1007/s006010200012
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2002YU02      Few-Body Systems 32, 83 (2002)

L.P.Yuan, K.Chmielewski, M.Oelsner, P.U.Sauer, A.C.Fonseca, J.Adam, Jr.

Trinucleon Photo-Reactions with Δ-Isobar Excitation: Radiative nucleon-deuteron capture and two-body photo-disintegration of the three-nucleon bound state

NUCLEAR REACTIONS 1H(d, γ), E ≈ 0-100 MeV; calculated σ(θ), polarization observables. 3H, 3He(γ, X), E ≈ 5-40 MeV; calculated photo-disintegration σ, σ(θ). Effects of Δ-isobar excitation discussed.

doi: 10.1007/s00601-002-0109-1
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2001FO06      Nucl.Phys. A684, 467c (2001)

A.C.Fonseca, D.R.Lehman

Tests of Effective Two-Body Models in 1H(d(pol), γ)3He Reactions

NUCLEAR REACTIONS 1H(polarized d, γ), E=0-100 MeV; calculated analyzing powers. Effective two-body models, comparison with data.

doi: 10.1016/S0375-9474(01)00508-5
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2001YU06      Nucl.Phys. A689, 433c (2001)

L.P.Yuan, K.Chmielewski, M.Oelsner, P.U.Sauer, A.C.Fonseca, J.Adam, Jr.

Description of Electromagnetic Processes in the Three-Nucleon System with Δ-Isobar Excitation

NUCLEAR REACTIONS 1H(d, γ), E=19.8 MeV; calculated σ(θ), analyzing power. 3He(e, e'p), E=367, 390 MeV; calculated σ(θ). Comparisons with data.

doi: 10.1016/S0375-9474(01)00872-7
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2000CR01      Phys.Rev. C61, 034006 (2000)

B.J.Crowe III, C.R.Brune, W.H.Geist, H.J.Karwowski, E.J.Ludwig, K.D.Veal, A.C.Fonseca, G.M.Hale, K.A.Fletcher

Analyzing Powers for 2H(d(pol), d)2H at Deuteron Energies of 3.0, 4.75, and 6.0 MeV

NUCLEAR REACTIONS 2H(polarized d, d), E=3.0, 4.75, 6.0 MeV; measured tensor analyzing powers vs θ; deduced nucleon-nucleon p-wave contributions. R matrix parameterization, microscopic four-body calculations.

doi: 10.1103/PhysRevC.61.034006
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0649.


2000FO11      Few-Body Systems 28, 189 (2000)

A.C.Fonseca, D.R.Lehman

Dynamical Study of 1H(d(pol), γ)3He Tensor Observables in the Energy Range of 80 keV to 95 MeV: Tests of effective two-body models

NUCLEAR REACTIONS 1H(polarized d, γ), E=0.08-95 MeV; calculated σ(θ), tensor analyzing powers. 3He(γ, p), E=5-40 MeV; calculated σ(θ). Comparisons with data. Validity of effective two-body models discussed.

doi: 10.1007/s006010070021
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1999FO12      Fizika(Zagreb) B8, 153 (1999)

A.C.Fonseca

Use of Realistic Interactions to Calculate nt - nt, dd - pt and dd - dd Scattering Observables

NUCLEAR REACTIONS 2H(d, d), (d, p), E=6.1 MeV; 3H(n, n), E=0.05-10 MeV; calculated σ(θ), tensor analyzing power, total σ solving the Alt-Grassberger-Sandhas equations. Comparison with data.


1999FO15      Phys.Rev.Lett. 83, 4021 (1999)

A.C.Fonseca

Contribution of Nucleon-Nucleon P Waves to nt-nt, dd-pt, and dd-dd Scattering Observables

NUCLEAR REACTIONS 3H(n, n), E=0.05-10 MeV; calculated σ. 3H(n, n), E=3.5, 6.0 MeV; calculated σ(θ). 3He(polarized p, p), E=5.54, 10.01 MeV; calculated analyzing powers. 2H(d, d), (d, p), E=6.1 MeV; calculated tensor analyzing powers. Alt, Grassberger and Sandhas equations. Comparison with data.

doi: 10.1103/PhysRevLett.83.4021
Citations: PlumX Metrics


1998FO03      Nucl.Phys. A631, 675c (1998)

A.C.Fonseca

Microscopic Calculation of Four-Nucleon Scattering Observables in dd → dd and dd → p3H

NUCLEAR REACTIONS 2H(polarized d, d), (polarized d, p), E=6.1 MeV; calculated σ(θ), tensor analyzing power; deduced p-waves effects. Four-body equations. Comparison with data.

doi: 10.1016/S0375-9474(98)00089-X
Citations: PlumX Metrics


1997FE06      Phys.Rev. C56, 38 (1997)

P.D.Felsher, C.R.Howell, W.Tornow, M.L.Roberts, J.M.Hanly, G.J.Weisel, M.Al Ohali, R.L.Walter, I.Slaus, J.M.Lambert, P.A.Treado, G.Mertens, A.C.Fonseca, A.Soldi, B.Vlahovic

Analyzing Power Measurements for the d(pol) + d → d + p + n Breakup Reaction at 12 MeV

NUCLEAR REACTIONS 2H(polarized d, nd), E=12 MeV; measured d, p, n spectra, σ(θ1, θ2) vs arc length, vector, tensor analyzing powers vs (θ1, θ2, arc length); deduced contributions from nucleon-nucleon P interactions. Impulse approximation calculations.

doi: 10.1103/PhysRevC.56.38
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1996SC01      Phys.Rev. C53, 35 (1996)

G.J.Schmid, R.M.Chasteler, H.R.Weller, D.R.Tilley, A.C.Fonseca, D.R.Lehman

T20 Measurements for 1H(d(pol), γ)3He and the P-Wave Component of the Nucleon-Nucleon Force

NUCLEAR REACTIONS 1H(polarized d, γ), E=12.7-19.8 MeV; measured T20(θ); deduced sensitivity to P-wave component of NN-force. Compared measurements to 3-body calculations.

doi: 10.1103/PhysRevC.53.35
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0472.


1993FO04      Phys.Rev. C48, R503 (1993)

A.C.Fonseca, D.R.Lehman

Full Three-Body Calculation for d(pol) + p → 3He + γ with a Realistic NN Interaction

NUCLEAR REACTIONS 1H(polarized d, γ), E=10-95 MeV; analyzed vector, tensor analyzing power data. Realistic NN-interaction, full three-body calculation.

doi: 10.1103/PhysRevC.48.R503
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1993FO08      Phys.Rev. C48, 2528 (1993)

A.C.Fonseca, B.F.Gibson, D.R.Lehman

Approximate Ways to Treat the Nucleon-Nucleon Tensor Force in the Four-Nucleon Bound State

doi: 10.1103/PhysRevC.48.2528
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1991FO07      Phys.Lett. 267B, 159 (1991)

A.C.Fonseca, D.R.Lehman

Exact Three-Body Calculation of Polarization Observables in 1H(d(pol), γ)3He

NUCLEAR REACTIONS 1H(polarized d, γ), E=19.6 MeV; calculated T20(θ); deduced initial state three-body dynamics role. 3He deduced D-state role.

doi: 10.1016/0370-2693(91)91240-V
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1990FO02      Nucl.Phys. A508, 281c (1990)

A.C.Fonseca

Four-Body Calculation of 4He Binding Energy and Tensor Analysing Powers for dd → dd and dd → p3H Reactions

NUCLEAR STRUCTURE 4He; calculated binding energy. Four body calculation.

NUCLEAR REACTIONS 2H(polarized d, p), E=6 MeV; calculated tensor analyzing power vs θ. Four body calculation.

doi: 10.1016/0375-9474(90)90485-5
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1989FO12      Phys.Rev. C40, 1390 (1989)

A.C.Fonseca

4He Binding Energy Calculation Including Full Tensor-Force Effects

NUCLEAR STRUCTURE 4He; calculated binding energy. Alt-Grassberger-Sandhas 4-body equations.

doi: 10.1103/PhysRevC.40.1390
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1989FO13      Phys.Rev.Lett. 63, 2036 (1989)

A.C.Fonseca

Four-Body Calculation of dd → dd and dd → p3H Tensor Analyzing Powers

NUCLEAR REACTIONS 2H(polarized d, d), (polarized d, p), E=6, 8 MeV; calculated σ(θ), tensor analyzing power vs θ. Four-body integral equations.

doi: 10.1103/PhysRevLett.63.2036
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1988FO07      Nucl.Phys. A487, 92 (1988)

A.C.Fonseca, M.T.Pena

Faddeev-Born-Oppenheimer Equations for Molecular Three-Body Systems: Adiabatic calculation of 9Be

NUCLEAR STRUCTURE 9Be; calculated levels. Molecular three-body system, Faddeev-Born-Oppenheimer equations.

doi: 10.1016/0375-9474(88)90131-5
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1986FO07      Few-Body Systems 1, 69 (1986)

A.C.Fonseca

Contribution of p-Wave (3) + 1 Subamplitudes to 4He Binding Energy and Scattering Observables below Four-Body Breakup Threshold

NUCLEAR REACTIONS 3H(n, n), 3He(p, p), 2H(d, d), 2H(d, p), E ≤ 20 MeV; calculated phase shifts, σ(θ), σ(E), scattering lengths. Energy dependent pole expansion.

NUCLEAR STRUCTURE 3,4He; calculated binding energy. Energy dependent pole expansion.

doi: 10.1007/BF01277075
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1984FO08      Phys.Rev. C30, 35 (1984)

A.C.Fonseca

Four-Body Calculation of the Four-Nucleon System: Binding energies and scattering results

NUCLEAR REACTIONS 3H(n, n), E=0-20 MeV; calculated s-, p-, d-wave phase shifts vs E. 3H(n, n), E=1, 3.5 MeV; 3He(p, p), E=4.55, 6.52, 9.51 MeV; 2H(d, d), E=6 MeV; 2H(d, p), E=6.1 MeV; calculated σ(θ). Four-body model, two-body separable t-matrix, spinless bosons.

doi: 10.1103/PhysRevC.30.35
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1979FO08      Phys.Rev. C19, 1711 (1979)

A.C.Fonseca

Four-Body Model of the Four-Nucleon System

NUCLEAR REACTIONS 3H(n, n), 3He(p, p), 2H(d, d), 2H(d, n), E < 25 MeV; calculated phase shifts, σ(θ). Nonrelativistic, soluble model for four-nucleon system.

doi: 10.1103/PhysRevC.19.1711
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1979FO16      Nucl.Phys. A326, 182 (1979)

A.C.Fonseca, J.Revai, A.Matveenko

Three-Body Molecular Description of 9Be. (I). Born-Oppenheimer Approximation

NUCLEAR STRUCTURE 9Be; calculated molecular energy curves, binding mechanisms. Two α-particles plus neutron model solved by Born-Oppenheimer method.

doi: 10.1016/0375-9474(79)90374-9
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1976FO13      Phys.Rev. C14, 1343 (1976)

A.C.Fonseca, P.E.Shanley

Soluble Model Involving Four Identical Particles

NUCLEAR REACTIONS 2H(d, d), E=12.1 MeV; 3H(n, 2d), (n, n), E=13.6 MeV; calculated σ(θ). 3H(n, n), (n, d), (n, X), 2H(d, d), (d, n), (d, X), E ≤ 250 MeV; calculated total σ(E). Four-body problem, spinless model.

doi: 10.1103/PhysRevC.14.1343
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