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NSR database version of May 24, 2024.

Search: Author = A.Meyer

Found 14 matches.

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2024HA09      Phys.Rev.Lett. 132, 182701 (2024)

F.Hammache, P.Adsley, L.Lamia, D.S.Harrouz, N.de Sereville, B.Bastin, A.Choplin, T.Faestermann, C.Fougeres, R.Hertenberger, R.Hirschi, M.La Cognata, A.Meyer, S.Palmerini, R.G.Pizzone, F.de Oliveira Santos, S.Romano, A.Tumino, H.-F.Wirth

Experimental Determination of α Widths of 21Ne Levels in the Region of Astrophysical Interest: New 17O + α Reaction Rates and Impact on the Weak s Process

NUCLEAR REACTIONS 17O(7Li, t), E=28 MeV; measured reaction products; deduced triton spectra, σ(θ), spectroscopic factors and α widths, astrophysical reaction rates. Comparison with available data. The 14 MV Tandem of MLL-Munich, the high-energy resolution Q3D magnetic spectrograph.

doi: 10.1103/PhysRevLett.132.182701
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2023CA14      Phys.Rev. C 108, 045802 (2023)

D.P.Carrasco-Rojas, M.Williams, P.Adsley, L.Lamia, B.Bastin, T.Faestermann, C.Fougeres, F.Hammache, D.S.Harrouz, R.Hertenberger, M.La Cognata, A.Meyer, F.de Oliveira Santos, S.Palmerini, R.G.Pizzone, S.Romano, N.de Sereville, A.Tumino, H.-F.Wirth

Searching for resonance states in 22Ne(p, γ)23Na

doi: 10.1103/PhysRevC.108.045802
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022GI05      Phys.Rev. C 105, L051301 (2022)

V.Girard Alcindor, A.Mercenne, I.Stefan, F.de Oliveira Santos, N.Michel, M.Ploszajczak, M.Assie, A.Lemasson, E.Clement, F.Flavigny, A.Matta, D.Ramos, M.Rejmund, J.Dudouet, D.Ackermann, P.Adsley, M.Assuncao, B.Bastin, D.Beaumel, G.Benzoni, R.Borcea, A.J.Boston, D.Brugnara, L.Caceres, B.Cederwall, I.Celikovic, V.Chudoba, M.Ciemala, J.Collado, F.C.L.Crespi, G.D'Agata, G.De France, F.Delaunay, C.Diget, C.Domingo-Pardo, J.Eberth, C.Fougeres, S.Franchoo, F.Galtarossa, A.Georgiadou, J.Gibelin, S.Giraud, V.Gonzalez, N.Goyal, A.Gottardo, J.Goupil, S.Grevy, V.Guimaraes, F.Hammache, L.J.Harkness-Brennan, H.Hess, N.Jovancevic, D.S.Judson Oliver, O.Kamalou, A.Kamenyero, J.Kiener, W.Korten, S.Koyama, M.Labiche, L.Lalanne, V.Lapoux, S.Leblond, A.Lefevre, C.Lenain, S.Leoni, H.Li, A.Lopez-Martens, A.Maj, I.Matea, R.Menegazzo, D.Mengoni, A.Meyer, B.Million, B.Monteagudo, P.Morfouace, J.Mrazek, M.Niikura, J.Piot, Zs.Podolyak, C.Portail, A.Pullia, B.Quintana, F.Recchia, P.Reiter, K.Rezynkina, T.Roger, J.S.Rojo, F.Rotaru, M.D.Salsac, A.M.Sanchez-Benitez, E.Sanchis, M.Senyigit, N.de Sereville, M.Siciliano, J.Simpson, D.Sohler, O.Sorlin, M.Stanoiu, C.Stodel, D.Suzuki, C.Theisen, D.Thisse, J.C.Thomas, P.Ujic, J.J.Valiente-Dobon, M.Zielinska

New narrow resonances observed in the unbound nucleus 15F

NUCLEAR REACTIONS 1H(14O, p), E=7.64 MeV/nucleon; 1H(14O, 2p), E=7.42 MeV/nucleon; measured reaction products Ep, Ip, Eγ, Iγ, protons angular distributions, pp-coin, γγ-coin, pγ-coin; deduced σ(θ), resonances properties of 14O+p system - energy, spin and width, spectroscopic factors, major amplitudes of channels. 15F; deduced levels, J, π, configurations. Data has been analyzed and interpreted in the framework of the Gamow shell model (GSM) with the coupled-channel representation (GSMCC). Beam provided by SPIRAL1 facility (GANIL). Detectors: MUST2 (telescope composed of DSSD and CsI array) for (14O, p) reaction and MUGAST array (MUST2+VAMOS magnetic spectrometer+AGATA HPGE-array).

doi: 10.1103/PhysRevC.105.L051301
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022HA03      Phys.Rev. C 105, 015805 (2022)

D.S.Harrouz, N.de Sereville, P.Adsley, F.Hammache, R.Longland, B.Bastin, T.Faestermann, R.Hertenberger, M.La Cognata, L.Lamia, A.Meyer, S.Palmerini, R.G.Pizzone, S.Romano, A.Tumino, H.-F.Wirth

Experimental study of the 30Si(3He, d)31P reaction and thermonuclear reaction rate of 30Si(p, γ)31P

NUCLEAR REACTIONS 30Si(3He, d)31P, E=25 MeV beam from the Tandem Van de Graaff accelerator at MLL-Garching; measured E(d), I(d), σ(θ), deuterons momentum analyzed using a Q3D magnetic spectrometer, and detected in the focal plane of proportional counters. 31P; deduced levels, J, π, L-transfers, spectroscopic factors, single-particle widths, DWBA analysis of angular distribution data. 30Si(p, γ)31P, T9=0.010-10.0; deduced proton resonance energies, Γp, resonance strengths, astrophysical reaction rates. Comparison with previous experimental results and evaluated data for 31P structure, and with available data for proton resonances.

doi: 10.1103/PhysRevC.105.015805
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022HE09      Phys.Rev. C 105, 065203 (2022)

J.He, D.A.Brantley, C.C.Chang, I.Chernyshev, E.Berkowitz, D.Howarth, C.Korber, A.S.Meyer, H.Monge-Camacho, E.Rinaldi, C.Bouchard, M.A.Clark, A.S.Gambhir, C.J.Monahan, A.Nicholson, P.Vranas, A.Walker-Loud

Detailed analysis of excited-state systematics in a lattice QCD calculation of gA

doi: 10.1103/PhysRevC.105.065203
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2022SH03      Phys.Rev. C 105, 014605 (2022)

A.Shrivastava, K.Mahata, I.Stefan, M.Assie, P.Adsley, D.Beaumel, V.M.Datar, A.Georgiadou, J.Guillot, F.Hammache, N.Keeley, Y.H.Kim, A.Meyer, V.Nanal, V.V.Parkar, N.de Sereville

Occupation probabilities of valence orbitals relevant to neutrinoless double β decay of 124Sn

NUCLEAR REACTIONS 124Te, 124Sn(p, d)123Te/123Sn, E=22 MeV; 124Te, 124Sn(d, p)125Te/125Sn, E=15 MeV; 124Te, 124Sn(3He, α)123Te/123Sn, E=30 MeV; 124Te, 124Sn(α, 3He)125Te/125Sn, E=40 MeV; measured scattered particle spectra of deuterons, protons, 3He and α, σ(θ, E) by momentum analysis of particles by Enge Split Pole magnetic spectrometer, then focused on a focal-plane detection system of position-sensitive proportional and a plastic scintillator to identify particles via magnetic rigidity and energy-loss characteristics at the ALTO facility of IJCLab. 123,125Te, 123,125Sn; deduced levels, J, π, L-transfers, σ(θ), spectroscopic factors, configurations. DWBA analysis of σ(θ) distributions. 124Sn, 124Te; deduced neutron vacancies of active orbitals in their ground states, and compared with those in literature for 128,130Te, provision of nuclear matrix element (NMEs) for 0νββ decay mode of 124Sn. Relevance to ongoing efforts for the experiment TINTIN (The INdian TIN detector) at the India-based Neutrino Observatory (INO) to measure the neutrinoless double β decay of 124Sn. 123,125Te, 123,125Sn; detailed results for level energies, Jπ, σ(θ) and spectroscopic factors are supplied in an .excel file in the Supplemental Material of the paper.

doi: 10.1103/PhysRevC.105.014605
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021AD06      Phys.Rev. C 103, 035804 (2021)

P.Adsley, F.Hammache, N.de Sereville, V.Alcindor, M.Assie, D.Beaumel, M.Chabot, M.Degerlier, C.Delafosse, T.Faestermann, F.Flavigny, S.P.Fox, R.Garg, A.Georgiadou, S.A.Gillespie, J.Guillot, V.Guimaraes, A.Gottardo, R.Hertenberger, J.Kiener, A.M.Laird, A.Lefebvre-Schuhl, I.Matea, A.Meyer, M.Mahgoub, L.Olivier, L.Perrot, J.Riley, I.Sivacek, I.Stefan, V.Tatischeff, H.-F.Wirth

Charged-particle branching ratios above the neutron threshold in 19F: Constraining 15N production in core-collapse supernovae

COMPILATION 19F; compiled data from the ENSDF database and from different nuclear reactions in literature for levels, J, π, Γ, Γp, and Γα.

NUCLEAR REACTIONS 19F(p, p'), E=16, 15 MeV; measured E(p), I(p), πα- and pp-coin using the Q3D magnetic spectrograph at Munich at E(p)=16 MeV, and Enge split-pole magnetic spectrometer, and double-sided silicon strip detector (DSSSD) detectors at Orsay at E(p)=15 MeV. 19F; deduced levels between 10.091 and 10.676 MeV in the region of astrophysical interest, width, branching ratios for proton and α decays from levels above the neutron binding energy in 19F. 15N, 18O; deduced energies of the emitted particles, matrices of experimental and simulated coincidence events from α and proton decays of neutron-unbound states in 19F. Relevance to 18F(n, α)15N and 18F(n, p)18O reaction rates for abundances of 15N and 18O in the helium-burning shell during core-collapse supernovae.

doi: 10.1103/PhysRevC.103.035804
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021GI06      Eur.Phys.J. A 57, 93 (2021)

V.Girard Alcindor, I.Stefan, F.de Oliveira Santos, O.Sorlin, D.Ackermann, P.Adsley, J.C.Angelique, M.Assie, M.Assuncao, D.Beaumel, E.Berthoumieux, R.Borcea, L.Caceres, I.Celikovic, M.Ciemala, V.Chudoba, G.D'Agata, F.de Grancey, G.Dumitru, F.Flavigny, C.Fougeres, S.Franchoo, A.Georgiadou, N.Goyal, S.Grevy, J.Guillot, V.Guimaraes, F.Hammache, O.Kamalou, J.Kiener, S.Koyama, L.Lalanne, V.Lapoux, I.Matea, A.Matta, A.Meyer, N.Michel, P.Morfouace, J.Mrazek, F.Negoita, M.Niikura, D.Pantelica, L.Perrot, C.Petrone, J.Piot, C.Portail, T.Roger, F.Rotaru, A.M.Sanchez-Benitez, N.de Sereville, M.Stanoiu, C.Stodel, K.Subotic, D.Suzuki, V.Tatischeff, J.C.Thomas, P.Ujic, D.Verney

Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F. A Tribute to Mahir Hussein

NUCLEAR STRUCTURE 15,16F, 16N, 15C; analyzed available data; deduced strength of the nucleon-nucleon effective interaction, the mirror symmetry of the n-p interaction.

doi: 10.1140/epja/s10050-021-00410-1
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2021SZ03      Phys.Rev. C 104, 054308 (2021)

S.V.Szwec, D.K.Sharp, B.P.Kay, S.J.Freeman, J.P.Schiffer, P.Adsley, C.Binnersley, N.de Sereville, T.Faestermann, R.F.Garcia Ruiz, F.Hammache, R.Hertenberger, A.Meyer, C.Portail, I.Stefan, A.Vernon, S.Wilkins, H.-F.Wirth

Neutron occupancies and single-particle energies across the stable tin isotopes

NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(p, d)111Sn/113Sn/115Sn/117Sn/119Sn/121Sn/123Sn, E=21 MeV; 112,114,116,118,120,122,124Sn(3He, α)111Sn/113Sn/115Sn/117Sn/119Sn/121Sn/123Sn, E=36 MeV; 112,114,116,118,120,122,124Sn(d, p)113Sn/115Sn/117Sn/119Sn/121Sn/123Sn/125Sn, E=15 MeV; 112,114,116,118,120,122,124Sn(α, 3He)113Sn/115Sn/117Sn/119Sn/121Sn/123Sn/125Sn, E=41 MeV; measured E(d), I(d), Eα, Iα, E(p), I(p), E(3He), I(3He), differential σ(θ) and analyzed by DWBA calculations; analyzed proton, deuteron, 3He and α spectra using Munich Q3D spectrometer at MLL accelerator facility for (p, d) and (d, p) reactions, and Enge split-pole spectrometer for (3He, α), (α, 3He) reactions at the IJClab of Tandem-Alto facility of Laboratoire de Physique. 112,114,116,118,120,122,124Sn; deduced levels, J, π, L-transfers, spectroscopic factors, summed neutron strengths, fractional occupancies and effective single-particle energies for 2s1/2, 1d3/2, 1d5/2, 0g7/2, and 0h11/2 neutron orbitals. Detailed cross sections at different angles, particle spectra, absolute cross sections and spectroscopic factors are given in the Supplemental Material of the paper.

doi: 10.1103/PhysRevC.104.054308
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2550.

2020FR03      Phys.Rev.Lett. 124, 192701 (2020)

G.Fruet, S.Courtin, M.Heine, D.G.Jenkins, P.Adsley, A.Brown, R.Canavan, W.N.Catford, E.Charon, D.Curien, S.Della Negra, J.Duprat, F.Hammache, J.Lesrel, G.Lotay, A.Meyer, D.Montanari, L.Morris, M.Moukaddam, J.Nippert, Zs.Podolyak, P.H.Regan, I.Ribaud, M.Richer, M.Rudigier, R.Shearman, N.de Sereville, C.Stodel

Advances in the Direct Study of Carbon Burning in Massive Stars

NUCLEAR REACTIONS 12C(12C, X), E=2.2-5.4 MeV; measured reaction products, Eγ, Iγ; deduced S-factor. Comparison with available data.

doi: 10.1103/PhysRevLett.124.192701
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2020ME09      Phys.Rev. C 102, 035803 (2020)

A.Meyer, N.de Sereville, A.M.Laird, F.Hammache, R.Longland, T.Lawson, M.Pignatari, L.Audouin, D.Beaumel, S.Fortier, J.Kiener, A.Lefebvre-Schuhl, M.G.Pellegriti, M.Stanoiu, V.Tatischeff

Evaluation of the 13N(α, p)16O thermonuclear reaction rate and its impact on the isotopic composition of supernova grains

NUCLEAR REACTIONS 13C(7Li, t)17O*, E=34 MeV; measured E(t), I(t), σ(θ) using Enge Split-Pole magnetic spectrometer at the Tandem-ALTO facility in Orsay. 17O; deduced levels, resonances, J, π, L-transfers from analysis of angular distributions with finite-range distorted wave Born approximation (DWBA) calculations, Γα, α-spectroscopic factors, and compared with previous experimental data, and evaluated data in the ENSDF database. 17O, 17F; comparison of levels resonances, spin-parities, and resonance parameters in mirror nuclei. 13N(α, p)16O, E(cm)=0.05-3.0 MeV; deduced astrophysical S-factor by R-matrix calculations using AZURE2 code, Monte-Carlo reaction rates from 0.01-10 GK, isotopic abundances in the He-shell ejecta of a supernova model, production factors of stable isotopes, in the mass region between 12C and 50V.

doi: 10.1103/PhysRevC.102.035803
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Data from this article have been entered in the XUNDL database. For more information, click here.

2019KR14      Eur.Phys.J. A 55, 196 (2019)

A.S.Kronfeld, D.G.Richards, W.Detmold, R.Gupta, H.-W.Lin, K.-F.Liu, A.S.Meyer, R.Sufian, S.Syritsyn

Lattice QCD and neutrino-nucleus scattering

doi: 10.1140/epja/i2019-12916-x
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2018AD06      Phys.Rev. C 97, 045807 (2018)

P.Adsley, J.W.Brummer, T.Faestermann, S.P.Fox, F.Hammache, R.Hertenberger, A.Meyer, R.Neveling, D.Seiler, N.de Sereville, H.-F.Wirth

High-resolution study of levels in the astrophysically important nucleus 26Mg and resulting updated level assignments

NUCLEAR REACTIONS 26Mg(p, p), (d, d), E=18 MeV; measured Ep, Ip, Ed, Id, angular distributions using Q3D magnetic spectrograph at MLL, Garching. 26Mg; deduced levels between 10.6 and 11.5 MeV, J, π. Comparison with previous experimental results. Relevance to 22Ne(α, n)25Mg and 22Ne(α, γ)26Mg reaction rates in astrophysical processes.

doi: 10.1103/PhysRevC.97.045807
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Data from this article have been entered in the XUNDL database. For more information, click here.

1961AN04      Zhur.Eksptl.i Teoret.Fiz. 40, 23 (1961); Soviet Phys.JETP 13, 15 (1961)

N.M.Antoneva, A.A.Bashilov, B.S.Dzhelepov, K.G.Kaun, A.F.A.Meyer, V.B.Smirnov

Radiations from Eu145, Eu146, and Eu147

NUCLEAR STRUCTURE 146Eu, 145Eu, 147Eu; measured not abstracted; deduced nuclear properties.

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Note: The following list of authors and aliases matches the search parameter A.Meyer: , A.E.MEYER, A.F.MEYER, A.S.MEYER