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NSR database version of April 11, 2024.

Search: Author = H.Morita

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2019SH25      Prog.Theor.Exp.Phys. 2019, 063D01 (2019)

Y.Shikata, Y.Kanada-En'yo, H.Morita

Low-energy dipole excitation modes in 10Be

NUCLEAR STRUCTURE 10Be; calculated dipole transition strengths, α- and 2n-cluster distributions, transition current densities.

doi: 10.1093/ptep/ptz049
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2018AD01      Phys.Rev. C 97, 014601 (2018)

S.Adachi, T.Kawabata, K.Minomo, T.Kadoya, N.Yokota, H.Akimune, T.Baba, H.Fujimura, M.Fujiwara, Y.Funaki, T.Furuno, T.Hashimoto, K.Hatanaka, K.Inaba, Y.Ishii, M.Itoh, C.Iwamoto, K.Kawase, Y.Maeda, H.Matsubara, Y.Matsuda, H.Matsuno, T.Morimoto, H.Morita, M.Murata, T.Nanamura, I.Ou, S.Sakaguchi, Y.Sasamoto, R.Sawada, Y.Shimizu, K.Suda, A.Tamii, Y.Tameshige, M.Tsumura, M.Uchida, T.Uesaka, H.P.Yoshida, S.Yoshida

Systematic analysis of inelastic α scattering off self-conjugate A=4n nuclei

NUCLEAR REACTIONS 12C, 16O, 20Ne, 24Mg, 28Si, 40Ca(α, α), (α, α'), E=130, 386 MeV; measured Eα, Iα, elastic and inelastic σ(θ, E) using Grand Raiden (GR) magnetic spectrometer with two multiwire drift chambers and two plastic scintillation counters at the AVF cyclotron of Research Center of Nuclear Physics (RCNP), Osaka University. 12C, 16O, 20Ne, 24Mg, 28Si, 40Ca; deduced levels, J, π, L transfers, EWSR strengths of the isoscalar dipole transitions. DWBA and coupled-channel (CC) analysis of σ(θ) distributions with the density-independent (DI) and density-dependent (DD) α-nucleus interactions.

doi: 10.1103/PhysRevC.97.014601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2635. Data from this article have been entered in the XUNDL database. For more information, click here.

2018KA09      Phys.Rev. C 97, 014303 (2018)

Y.Kanada-Enyo, Y.Shikata, H.Morita

Cluster and toroidal aspects of isoscalar dipole excitations in 12C

NUCLEAR STRUCTURE 12C; calculated isoscalar dipole strength functions and energy-weighted strengths of toroidal dipole (TD), compressive dipole (CD), and vortical dipole (VD) transitions, EWSR ratio of the energy-weighted isoscalar dipole (IS1) strengths, occupation probability of harmonic oscillator quanta in shell-model basis expansion of 0+ and 1- states, density distributions of the dominant configurations for 0+ and 1- states, transition current density for 0+ to 1- transition, 3α cluster states. Cluster and toroidal aspects of isoscalar dipole (ISD) excitations, based on shifted-basis antisymmetrized molecular dynamics (sAMD)+generator coordinate method (GCM), and the sAMD with various configurations.

doi: 10.1103/PhysRevC.97.014303
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2018MO23      Phys.Rev. C 98, 034307 (2018)

H.Morita, Y.Kanada-En'yo

Low-energy Gamow-Teller transitions in deformed N=Z odd-odd nuclei

NUCLEAR STRUCTURE 22Na; calculated levels, J, π, electric quadrupole and magnetic dipole moments, B(E2), B(M1), K=0, 1, 2, 3 bands, B(GT) of transition from levels in 22Ne to 22Na. 22Ne; calculated levels, J, π, K=0 and 2 bands. 10Be, 10B; calculated levels, J, π, B(GT) of transition from levels in 10Be to 10B. 10B, 10Be, 22Ne, 22Na; calculated two-nucleon-pair density contours. Tβγ-antisymmetrized molecular dynamics (AMD) with generator coordinate method (GCM). Comparison with available experimental data.

doi: 10.1103/PhysRevC.98.034307
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2017CI03      Phys.Rev. C 95, 044327 (2017)

C.Ciofi degli Atti, C.B.Mezzetti, H.Morita

Microscopic nucleon spectral function for finite nuclei featuring two- and three-nucleon short-range correlations: The model versus ab initio calculations for three-nucleon systems

NUCLEAR STRUCTURE 3He; calculated ab initio neutron spectral function, center of mass (c.m.) momentum distribution of the correlated proton-neutron (pn) pair, pn two-nucleon momentum distributions, contributions of the soft and hard parts of the c.m. momentum distributions to the neutron spectral function, and ab initio neutron momentum distribution. Convolution model of the spectral function two- and three-nucleon short-range correlations (SRC) in nuclei.

doi: 10.1103/PhysRevC.95.044327
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2017CI07      Phys.Rev. C 96, 064317 (2017)

C.Ciofi degli Atti, H.Morita

Universality of many-body two-nucleon momentum distributions: Correlated nucleon spectral function of complex nuclei

NUCLEAR STRUCTURE 3,4He, 12C, 16O, 40Ca; calculated two-body density corresponding to the ground-state energy, rms radii, one-nucleon and two-nucleon momentum distributions for 16O and 40Ca, proton-neutron center-of-mass (c.m.) momentum distributions, pn and pp relative momentum distributions for 4He, 12C, and 40Ca, ab initio proton and neutron spectral function of 3He, spectral functions of 4He, 12C, 16O, and 40Ca. Normalization-conserving linked cluster expansion (NCLCE) calculations. Comparison with other theoretical approaches.

doi: 10.1103/PhysRevC.96.064317
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2017MO34      Phys.Rev. C 96, 044318 (2017)

H.Morita, Y.Kanada-Enyo

Gamow-Teller transitions and proton-neutron pair correlation in N = Z odd-odd p-shell nuclei

NUCLEAR STRUCTURE 6Li, 10B, 14N; calculated levels, J, π, binding energies, magnetic dipole and electric quadrupole moments, B(M1), B(E2). 6He, 6Li; 10Be, 10B; 14C, 14N; calculated Gamow-Teller transition strengths for transitions from initial states in 6He, 10Be and 14C to final states in 6Li, 10B and 14N, respectively, two-nucleon-pair density contours. Isospin-projected and βγ-constraint antisymmetrized molecular dynamics (AMD) combined with the generator coordinate method (GCM). Comparison with experimental data, and with shell-model calculations.

doi: 10.1103/PhysRevC.96.044318
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2016AL23      Phys.Rev. C 94, 044309 (2016)

M.Alvioli, C.Ciofi degli Atti, H.Morita

Universality of nucleon-nucleon short-range correlations: The factorization property of the nuclear wave function, the relative and center-of-mass momentum distributions, and the nuclear contacts

NUCLEAR STRUCTURE 3,4He, 12C, 16O, 40Ca; calculated momentum distributions of proton-neutron and proton-proton pairs, exact proton momentum distribution, ratios of one-nucleon and deuteron momentum distributions with the two-nucleon momentum distributions, percentage ratio of the pn and pp short-range correlated back-to-back (BB) pairs with respect to the total number of correlated pairs and percentage ratio of pp to pn pairs. Linked cluster many-body expansion approach based on realistic Argonne family two-nucleon interactions and variational wave functions with central, tensor, and spin-isospin correlations. Comparison with available experimental data.

doi: 10.1103/PhysRevC.94.044309
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2016MO33      Prog.Theor.Exp.Phys. 216, 103D02 (2016)

H.Morita, Y.Kanada-Enyo

Isospin-projected antisymmetrized molecular dynamics and its application to 10B

NUCLEAR STRUCTURE 10B; calculated energy surfaces, density of states, energy levels, J, π, B(E2), B(M1). Antisymmetrized molecular dynamics method.

doi: 10.1093/ptep/ptw144
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2015KA17      Phys.Rev. C 91, 054323 (2015)

Y.Kanada-En'yo, H.Morita, F.Kobayashi

Proton and neutron correlations in 10B

NUCLEAR STRUCTURE 6Li, 9Be, 10B; calculated levels, J, π, magnetic dipole and electric quadrupole moments, B(M1), B(E2), charge radius, distributions of matter densities and 0+ states for 10B. Antisymmetrized molecular dynamics with variation after parity (AMD-VAP) using the phenomenological effective two-body interactions. Discussed 2α+pn model for effects of spin-orbit interaction on T=0 and T=1 pn pairs around the 2α core. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.054323
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2014MO25      J.Phys.(London) G41, 105109 (2014)

P.Monaghan, R.Shneor, R.Subedi, B.D.Anderson, K.Aniol, J.Annand, J.Arrington, H.B.Benaoum, F.Benmokhtar, P.Bertin, W.Bertozzi, W.Boeglin, J.P.Chen, S.Choi, E.Chudakov, C.Ciofi degli Atti, E.Cisbani, W.Cosyn, B.Craver, C.W.de Jager, R.J.Feuerbach, E.Folts, S.Frullani, F.Garibaldi, O.Gayou, S.Gilad, R.Gilman, O.Glamazdin, J.Gomez, O.Hansen, D.W.Higinbotham, T.Holmstrom, H.Ibrahim, R.Igarashi, E.Jans, X.Jiang, L.Kaufman, A.Kelleher, A.Kolarkar, E.Kuchina, G.Kumbartzki, J.J.LeRose, R.Lindgren, N.Liyanage, D.J.Margaziotis, P.Markowitz, S.Marrone, M.Mazouz, D.Meekins, R.Michaels, B.Moffit, H.Morita, S.Nanda, C.F.Perdrisat, E.Piasetzky, M.Potokar, V.Punjabi, Y.Qiang, J.Reinhold, B.Reitz, G.Ron, G.Rosner, J.Ryckebusch, A.Saha, B.Sawatzky, J.Segal, A.Shahinyan, S.Sirca, K.Slifer, P.Solvignon, V.Sulkosky, N.Thompson, P.E.Ulmer, G.M.Urciuoli, E.Voutier, K.Wang, J.W.Watson, L.B.Weinstein, B.Wojtsekhowski, S.Wood, H.Yao, X.Zheng, L.Zhu

Measurement of the 12C(e, e'p)11B two-body breakup reaction at high missing momentum

NUCLEAR REACTIONS 12C(E, E'P), E200-400 MeV; measured reaction products, Ep, Ip; deduced σ(θ, E). Comparison with WS+Glauber calculations.

doi: 10.1088/0954-3899/41/10/105109
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2013AL08      Phys.Rev. C 87, 034603 (2013)

M.Alvioli, C.Ciofi degli Atti, L.P.Kaptari, C.B.Mezzetti, H.Morita

Nucleon momentum distributions, their spin-isospin dependence, and short-range correlations

NUCLEAR STRUCTURE 2,3H, 3,4He, 16O, 40Ca; calculated neutron and proton momentum distribution, spin-isospin contributions, short-range correlations (SRC). Solutions of the nonrelativistic Schrodinger equation using modern bare nucleon-nucleon (NN) interactions.

doi: 10.1103/PhysRevC.87.034603
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2012AL04      Phys.Rev. C 85, 021001 (2012)

M.Alvioli, C.Ciofi degli Atti, L.P.Kaptari, C.B.Mezzetti, H.Morita, S.Scopetta

Universality of nucleon-nucleon short-range correlations: Two-nucleon momentum distributions in few-body systems

NUCLEAR STRUCTURE 3,4He; calculated two-body momentum distributions, and c.m. momentum distribution of pn and pp pairs, ratio of pn momentum distributions to deuteron momentum distribution using realistic wave functions. Comparison with short-range correlation (SRC) predictions. Two-nucleon knock-out processes.

NUCLEAR REACTIONS 3He(e, e'2p), E at 0.05-0.6 GeV/c; calculated ratio of the spectator correlated pp and pn nucleon pairs using exact solution of the continuum Schroedinger equation with AV18 potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.021001
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2008AL11      Phys.Rev.Lett. 100, 162503 (2008)

M.Alvioli, C.Ciofi degli Atti, H.Morita

Proton-Neutron and Proton-Proton Correlations in Medium-Weight Nuclei and the Role of the Tensor Force

doi: 10.1103/PhysRevLett.100.162503
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2008AL28      Phys.Rev. C 78, 031601 (2008)

M.Alvioli, C.Ciofi degli Atti, I.Marchino, V.Palli, H.Morita

Effects of ground-state correlations on high energy scattering off nuclei: The case of the total neutron-nucleus cross section

doi: 10.1103/PhysRevC.78.031601
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2007CI01      Nucl.Phys. A782, 191c (2007)

C.Ciofi degli Atti, L.P.Kaptari, H.Morita

Hadron Propagation in Medium: the Exclusive Process A(e, e'p)B in Few-Nucleon Systems

NUCLEAR REACTIONS 3,4He(e, e'p), E=high; calculated σ(E, θ), hadron propagation features. Glauber multiple scattering theory, generalized Eikonal approximation, comparison with data.

doi: 10.1016/j.nuclphysa.2006.10.010
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2005AL43      Phys.Rev. C 72, 054310 (2005)

M.Alvioli, C.Ciofi degli Atti, H.Morita

Ground-state energies, densities and momentum distributions in closed-shell nuclei calculated within a cluster expansion approach and realistic interactions

NUCLEAR STRUCTURE 16O, 40Ca; calculated ground-state energies, density and momentum distributions. Linked cluster expansion, realistic interaction.

doi: 10.1103/PhysRevC.72.054310
Citations: PlumX Metrics

2004AL40      Fizika(Zagreb) B 13, 585 (2004)

M.Alvioli, C.Ciofi degli Atti, H.Morita

Realistic calculations of correlations and final-state interaction effects in the A(e, e'p)X process off complex nuclei

NUCLEAR STRUCTURE 16O, 40Ca; calculated ground state density and momentum distributions. Linked cluster expansion.

NUCLEAR REACTIONS 16O, 40Ca(e, e'pX), E not given; calculated distorted momentum distributions, final state interaction effects. Linked cluster expansion.

2002MO07      Nucl.Phys. A699, 328c (2002)

H.Morita, M.A.Braun, C.Ciofi degli Atti, D.Treleani

Finite Formation Time Effects in Inclusive and Semi-Inclusive Electro-Disintegration of Few-Body Nuclei

NUCLEAR REACTIONS 4He(e, e'p), (e, e'pX), E=high; calculated distorted momentum distributions vs Q2; deduced final state interaction and finite formation time effects.

doi: 10.1016/S0375-9474(01)01513-5
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1999MO29      Phys.Rev. C60, 034603 (1999)

H.Morita, C.Ciofi degli Atti, D.Treleani

Realistic Study of the Nuclear Transparency and the Distorted Momentum Distributions in the Semi-Inclusive Process 4He(e, e'p)X

NUCLEAR REACTIONS 4He(e, e'pX), E not given; calculated nuclear transparency, distorted momentum distributions, forward-backward asymmetry; deduced role of initial state correlations, final state interactions.

doi: 10.1103/PhysRevC.60.034603
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1997MO39      Aust.J.Phys. 50, 53 (1997)

H.Morita, T.Suzuki

Nuclear Correlation Effects in the Deep Inelastic Structure Function of 4He

NUCLEAR STRUCTURE 4He; calculated structure function; deduced quasielastic, breakup processes roles. Realistic spectral function. Comparison with data.

doi: 10.1071/P96046
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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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1991MO24      Prog.Theor.Phys.(Kyoto) 86, 671 (1991)

H.Morita, T.Suzuki

A Realistic Spectral Function of 4He

NUCLEAR STRUCTURE 4He; calculated spectral function; deduced nucleon-nucleon correlations role. Realistic wave function, PWIA.

doi: 10.1143/ptp/86.3.671
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1988MO09      Prog.Theor.Phys.(Kyoto) 79, 863 (1988)

H.Morita, Y.Akaishi, H.Tanaka

Realistic Momentum Distributions of the α Particle

NUCLEAR REACTIONS 3H(p, p), 2H(d, d), E not given; calculated spectroscopic amplitudes. Different α-particle momentum distributions.

doi: 10.1143/PTP.79.863
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1988MO21      Prog.Theor.Phys.(Kyoto) 79, 1279 (1988)

H.Morita, Y.Akaishi, H.Tanaka

The D2 Parameter of the α Particle and Nucleon-Nucleon Force

NUCLEAR STRUCTURE 3,4He; calculated D2 parameter; deduced sensitivity to tensor force.

doi: 10.1143/PTP.79.1279
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1987MO33      Prog.Theor.Phys.(Kyoto) 78, 1117 (1987)

H.Morita, Y.Akaishi, O.Endo, H.Tanaka

Realistic Density Function of Alpha Particle

NUCLEAR STRUCTURE 4He; calculated density function, D-state probability, mass rms radius. Multiple scattering process, two-body correlation.

doi: 10.1143/PTP.78.1117
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