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NSR database version of May 24, 2024.

Search: Author = M.Gomez-Ramos

Found 21 matches.

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2024CA06      Nuovo Cim. C 47, 41 (2024)

J.Casal, M.Gomez-Ramos, A.M.Moro

Collective core effects and dineutron correlations in three-body nuclei

NUCLEAR REACTIONS 1H(14Be, np)13Be, E=265 MeV/nucleon; analyzed available data. 6He, 11Li, 14Be; deduced σ(θ), average correlation angle as a function of the intrinsic momentum of the knocked-out neutron.

doi: 10.1393/ncc/i2024-24041-0
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2024LI18      Phys.Rev. C 109, 034312 (2024)

B.D.Linh, A.Corsi, A.Gillibert, A.Obertelli, P.Doornenbal, C.Barbieri, T.Duguet, M.Gomez-Ramos, J.D.Holt, B.S.Hu, T.Miyagi, A.M.Moro, P.Navratil, K.Ogata, S.Peru, N.T.T.Phuc, N.Shimizu, V.Soma, Y.Utsuno, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.B.Gerst, J.Gibelin, K.I.Hahn, N.T.Khai, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.T.Wang, V.Werner, X.Xu, Y.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

Onset of collectivity for argon isotopes close to N=32

doi: 10.1103/PhysRevC.109.034312
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Data from this article have been entered in the XUNDL database. For more information, click here.


2023PO05      Phys.Rev.Lett. 130, 172501 (2023)

T.Pohl, Y.L.Sun, A.Obertelli, J.Lee, M.Gomez-Ramos, K.Ogata, K.Yoshida, B.S.Cai, C.X.Yuan, B.A.Brown, H.Baba, D.Beaumel, A.Corsi, J.Gao, J.Gibelin, A.Gillibert, K.I.Hahn, T.Isobe, D.Kim, Y.Kondo, T.Kobayashi, Y.Kubota, P.Li, P.Liang, H.N.Liu, J.Liu, T.Lokotko, F.M.Marques, Y.Matsuda, T.Motobayashi, T.Nakamura, N.A.Orr, H.Otsu, V.Panin, S.Y.Park, S.Sakaguchi, M.Sasano, H.Sato, H.Sakurai, Y.Shimizu, A.I.Stefanescu, L.Stuhl, D.Suzuki, Y.Togano, D.Tudor, T.Uesaka, H.Wang, X.Xu, Z.H.Yang, K.Yoneda, J.Zenihiro

Multiple Mechanisms in Proton-Induced Nucleon Removal at ∼ 100 MeV/Nucleon

NUCLEAR REACTIONS 1H(14O, X), E ∼ 100 MeV/nucleon; measured reaction products. 13N, 13O; deduced inclusive σ and parallel momentum distributions for proton-induced single proton- and neutron-removal reactions from the neutron-deficient 14O nucleus with large Fermi-surface asymmetry. Comparison with he state-of-the-art reaction models, with nuclear structure inputs from many-body shell-model calculations.

doi: 10.1103/PhysRevLett.130.172501
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2022AU03      Eur.Phys.J. A 58, 88 (2022)

T.Aumann, W.Bartmann, O.Boine-Frankenheim, A.Bouvard, A.Broche, F.Butin, D.Calvet, J.Carbonell, P.Chiggiato, H.De Gersem, R.De Oliveira, T.Dobers, F.Ehm, J.Ferreira Somoza, J.Fischer, M.Fraser, E.Friedrich, A.Frotscher, M.Gomez-Ramos, J.-L.Grenard, A.Hobl, G.Hupin, A.Husson, P.Indelicato, K.Johnston, C.Klink, Y.Kubota, R.Lazauskas, S.Malbrunot-Ettenauer, N.Marsic, W.F.O Muller, S.Naimi, N.Nakatsuka, R.Necca, D.Neidherr, G.Neyens, A.Obertelli, Y.Ono, S.Pasinelli, N.Paul, E.C.Pollacco, D.Rossi, H.Scheit, M.Schlaich, A.Schmidt, L.Schweikhard, R.Seki, S.Sels, E.Siesling, T.Uesaka, M.Vilen, M.Wada, F.Wienholtz, S.Wycech, S.Zacarias

PUMA, antiProton unstable matter annihilation

doi: 10.1140/epja/s10050-022-00713-x
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2022ZA04      Phys.Rev. C 106, 014622 (2022)

V.A.B.Zagatto, M.Gomez-Ramos, L.R.Gasques, A.M.Moro, L.C.Chamon, M.A.G.Alvarez, V.Scarduelli, J.P.Fernandez-Garcia, J.R.B.de Oliveira, A.Lepine-Szily, A.Arazi

Elastic, inelastic, and one-neutron transfer angular distributions of 6Li + 120Sn at energies near the Coulomb barrier

NUCLEAR REACTIONS 120Sn(6Li, 6Li), (6Li, 7Li), E=19, 24, 27 MeV; measured reaction products, angular distributions; deduced elastic, inelastic and neutron transfer σ(θ). Comparison to continuum-discretized coupled channels (CDCC) calculations. SATURN (silicon array based on telescopes of USP for reactions and nuclear applications) and STAR (silicon telescopes array for reactions) at tandem accelerator at the LAFN-USP laboratory.

doi: 10.1103/PhysRevC.106.014622
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1026.


2021AU02      Prog.Part.Nucl.Phys. 118, 103847 (2021)

T.Aumann, C.Barbieri, D.Bazin, C.A.Bertulani, A.Bonaccorso, W.H.Dickhoff, A.Gade, M.Gomez-Ramos, B.P.Kay, A.M.Moro, T.Nakamura, A.Obertelli, K.Ogata, S.Paschalis, T.Uesaka

Quenching of single-particle strength from direct reactions with stable and rare-isotope beams

doi: 10.1016/j.ppnp.2021.103847
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2021CA20      Phys.Rev. C 104, 024618 (2021)

J.Casal, M.Gomez-Ramos

Opening angle and dineutron correlations in knockout reactions with Borromean two-neutron halo nuclei

NUCLEAR REACTIONS 1H(11Li, np)10Li, E=246 MeV/nucleon; 1H(19B, np), E not given; calculated missing momentum distributions, σ(θ), average opening angles with and without absorption, effect of proton-core S matrix on the average opening angle; deduced dineutron correlations. Quasifree sudden model for knockout process, and eikonal S matrix between the proton target and the core of the Borromean nucleus, with final states built within a three-body model for the projectile. Comparison with experimental data for 1H+11Li reaction. 11Li, 19B; calculated ground-state probability densities.

doi: 10.1103/PhysRevC.104.024618
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2021GO05      Eur.Phys.J. A 57, 57 (2021)

M.Gomez-Ramos, J.Gomez-Camacho, J.Lei, A.M.Moro

The Hussein-McVoy formula for inclusive breakup revisited

NUCLEAR REACTIONS 9Be(14O, 13N), E=80 MeV/nucleon; 9Be(14O, 13O), E=53 MeV/nucleon; calculated integrated nonelastic breakup σ.

doi: 10.1140/epja/s10050-021-00376-0
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2021GO16      Eur.Phys.J. A 57, 148 (2021)

M.Gomez-Ramos, A.Obertelli, Y.L.Sun

Breakup reactions and their ambiguities

NUCLEAR REACTIONS 12C(11Li, 9Li), E=780 MeV/nucleon; calculated σ(E), momentum distributions. 11Li; deduced ambiguities in the nuclear information extracted from breakup reactions, focusing on those originating from the description of the reaction mechanism and the overall ambiguity inherent to their interpretation in terms of shell occupancies.

doi: 10.1140/epja/s10050-021-00446-3
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2021LI58      Phys.Rev. C 104, 044331 (2021)

B.D.Linh, A.Corsi, A.Gillibert, A.Obertelli, P.Doornenbal, C.Barbieri, S.Chen, L.X.Chung, T.Duguet, M.Gomez-Ramos, J.D.Holt, A.Moro, P.Navratil, K.Ogata, N.T.T.Phuc, N.Shimizu, V.Soma, Y.Utsuno, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, N.Chiga, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, N.T.Khai, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, N.D.Ton, H.Tornqvist, V.Vaquero, V.Wagner, H.Wang, V.Werner, X.Xu, Y.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

Investigation of the ground-state spin inversion in the neutron-rich 47, 49Cl isotopes

NUCLEAR REACTIONS 1H(50Ar, 2p)49Cl, (50Ar, 2n2p)47Cl; 1H(52K, n3p)49Cl; 1H(48Cl, np)47Cl, [secondary ion beams from 9Be(70Zn, X), E=345 MeV/nucleon primary reaction at RIBF-RIKEN facility, followed by separation of ions by BigRIPS separator using Bπ-ΔE-TOF measurement and MINOS hydrogen target system]; measured reaction products, A/Q versus Z plot, scattered ions of 47Cl and 49Cl using the SAMURAI spectrometer and identified by A/Q and Z, Eγ, Iγ, γγ-coin using DALI2+ array of 226 NaI(Tl) detectors. 47,49Cl; deduced levels, J and π for 49Cl, parallel and transverse momentum distributions and L-transfers for 49Cl, inclusive cross sections. Comparison of experimental level structure with shell-model calculations using SDPF-MU interactions, and IMSRG calculation. Comparison of momentum distributions with distorted-wave impulse approximation (DWIA), and transfer to continuum (TC) methods. Comparison of inclusive cross sections with LISE++ theoretical calculations. 49Cl; calculated levels, J, π, T1/2 of levels, B(E2), B(M1) using SDFP-MU shell-model. 45,47,49Cl; calculated levels, J, π, spectroscopic factors using shell-model and ab initio approaches. 41,43,45,47Cl; spin inversion issue not settled. Comparison of experimental and theoretical (from CGF) energy difference between the first 1/2+ and 3/2+ states in 35,36,37,38,39,40,41,43,45,47,49,51,53Cl, 37,38,39,40,41,43,45,47,49,51,53,55K.

doi: 10.1103/PhysRevC.104.044331
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020FR06      Phys.Rev.Lett. 125, 012501 (2020)

A.Frotscher, M.Gomez-Ramos, A.Obertelli, P.Doornenbal, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, N.Paul, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, N.Shimizu, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu

Sequential Nature of (p, 3p) Two-Proton Knockout from Neutron-Rich Nuclei

NUCLEAR REACTIONS 1H(101Sr, 3p), (75Zn, 3p), (81Ga, 3p)79Cu, (81Ga, 2p)80Zn, E ∼ 205 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ.

doi: 10.1103/PhysRevLett.125.012501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2659.


2020GO16      Phys.Rev. C 102, 064613 (2020)

M.Gomez-Ramos, A.Deltuva, A.M.Moro

Benchmarking Faddeev and transfer-to-the-continuum calculations for (p, pN) reactions

NUCLEAR REACTIONS 1H(11Be, np)10Be, E=100-400 MeV/nucleon; calculated transverse and longitudinal momentum distributions for removal of proton from different orbitals, and as function of binding energy. Distorted-wave impulse approximation, the Faddeev-AGS type formalism, and the transfer-to-the-continuum (TC) method, with realistic Reid93 interaction. Benchmarking the observables in proton-removal reactions.

doi: 10.1103/PhysRevC.102.064613
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2019CO12      Phys.Lett. B 797, 134843 (2019)

A.Corsi, Y.Kubota, J.Casal, M.Gomez-Ramos, A.M.Moro, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, T.Uesaka, Z.H.Yang, J.Yasuda, K.Yoneda, J.Zenihiro

Structure of 13Be probed via quasi-free scattering

NUCLEAR REACTIONS 1H(11Li, X), 246 MeV/nucleon; 1H(14Be, np)13Be, E=265 MeV/nucleon; 1H(17B, X), E=277 MeV/nucleon; measured reaction products, Ep, Ip, En, In, Eγ, Iγ. 12,13Be; deduced σ(E), partial level scheme, scattering lengths, resonance energies and widths, transverse momentum distributions.

doi: 10.1016/j.physletb.2019.134843
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2633. Data from this article have been entered in the XUNDL database. For more information, click here.


2019GO22      J.Phys.(London) G46, 085102 (2019)

M.Gomez-Ramos, N.K.Timofeyuk

Perey-effect in continuum-discretized coupled-channel description of (d, p) reactions

NUCLEAR REACTIONS 40Ca(d, p), E=10, 20, 56 MeV; calculated σ, σ(θ); deduced Perey effect.

doi: 10.1088/1361-6471/ab25c5
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2018GO14      Phys.Rev. C 98, 011601 (2018)

M.Gomez-Ramos, N.K.Timofeyuk

Reduced sensitivity of the (d, p) cross sections to the deuteron model beyond the adiabatic approximation

NUCLEAR REACTIONS 26mAl(d, p), E=9.2, 25, 50 MeV; calculated differential σ(θ) and spectroscopic factors for the g.s., and 0.84-, 6.8-, and 10.2-MeV 1/2+ states in 27Al, and deuteron and system wave functions using continuum-discretized coupled-channel (CDCC), and adiabatic distorted-wave approximation (ADWA) approaches, with two different NN potentials. Comparison with available experimental data.

doi: 10.1103/PhysRevC.98.011601
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2018GO21      Phys.Lett. B 785, 511 (2018)

M.Gomez-Ramos, A.M.Moro

Binding-energy independence of reduced spectroscopic strengths derived from (p, 2p) and (p, pn) reactions with nitrogen and oxygen isotopes

NUCLEAR REACTIONS 13,14,15,16,17,18,21,22,23O, 21N, 12C(p, 2p), 21N, 22,23O(p, np), E=300–450 MeV/nucleon; analyzed available data; calculated σ, spectroscopic factors.

doi: 10.1016/j.physletb.2018.08.058
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2018YO03      Phys.Rev. C 97, 024608 (2018)

K.Yoshida, M.Gomez-Ramos, K.Ogata, A.M.Moro

Benchmarking theoretical formalisms for (p, pn) reactions: The 15C(p, pn)14C case

NUCLEAR REACTIONS 15C(p, pn)14C, at momentum=420 MeV/c; calculated longitudinal and transversal momentum distribution in inverse kinematics using Faddeev equations due to Alt, Grassberger and Sandhas (FAGS), and compared with predictions of distorted-wave impulse approximation (DWIA), and transfer-to-continuum (TC) models.

doi: 10.1103/PhysRevC.97.024608
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2017GO04      Phys.Rev. C 95, 034609 (2017)

M.Gomez-Ramos, A.M.Moro

Interplay of projectile breakup and target excitation in reactions induced by weakly bound nuclei

NUCLEAR REACTIONS 58Ni(d, d), (d, d'), E=80 MeV; 24Mg(d, d), (d, d'), E=70 MeV; 144Sm(6Li, 6Li), (6Li, 6Li'), E=23, 28, 30, 35 MeV; 9Be(6Li, 6Li), (6Li, 6Li'), E=20 MeV; calculated σ(q, E) for elastic and inelastic channels, and compared with experimental data. Extensions of the continuum discretized coupled channels (CDCC) method to include excitation of collective degrees of freedom of the target.

doi: 10.1103/PhysRevC.95.034609
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2017GO08      Phys.Rev. C 95, 044612 (2017)

M.Gomez-Ramos, A.M.Moro

Influence of target deformation and deuteron breakup in (d, p) transfer reactions

NUCLEAR REACTIONS 10Be(d, p)11Be, E=10-80 MeV; calculated σ(E, θ), ratio between cross sections at the peak as function of the deuteron incident energy using extended continuum-discretized coupled-channel (CDCC) method with the inclusion of target excitations within the coupled-channel Born approximation (CDCC-BA) formulation, and also adiabatic coupled-channel (ACC) method. Comparison with calculations using Faddeev-Grassberger-Sandhas reaction formalism.

doi: 10.1103/PhysRevC.95.044612
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2016MO06      Acta Phys.Pol. B47, 821 (2016)

A.M.Moro, J.Lei, M.Gomez-Ramos, J.M.Arias, R.de Diego, J.Gomez-Camacho, J.A.Lay

Recent Developments for the Calculation of Elastic and Non-elastic Breakup of Weakly-bound Nuclei

doi: 10.5506/APhysPolB.47.821
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2015GO13      Phys.Rev. C 92, 014613 (2015)

M.Gomez-Ramos, A.M.Moro, J.Gomez-Camacho, I.J.Thompson

Transfer induced by core excitation within an extended distorted-wave Born approximation method

NUCLEAR REACTIONS 10Be(d, p)11Be, E=21.4 MeV; 30Ne(d, p)31Ne, E=30 MeV; calculated spectroscopic factors for 11Be, σ(θ) for ground and excited states of 11Be and 31Ne, cross sections excluding and including prompt core-excitation (PCE) effects. Extended distorted-wave Born approximation (DWBA) formalism. Comparison with available experimental data.

doi: 10.1103/PhysRevC.92.014613
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