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NSR database version of April 26, 2024.

Search: Author = L.Atar

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2023KO15      Nature(London) 620, 965 (2023)

Y.Kondo, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.A.Douma, A.Ekstrom, Z.Elekes, C.Forssen, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, G.Hagen, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, W.G.Jiang, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.Najafi, T.Nakamura, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, K.Ogata, F.de Oliveira Santos, N.A.Orr, H.Otsu, T.Otsuka, T.Ozaki, V.Panin, T.Papenbrock, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Y.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, N.Shimizu, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, Z.H.Sun, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, N.Tsunoda, T.Uesaka, Y.Utsuno, I.Vernon, H.Wang, Z.Yang, M.Yasuda, K.Yoneda, S.Yoshida

First observation of ²⁸O

NUCLEAR REACTIONS H(²⁹F, X)²⁷O/²⁸O, E=235 MeV/nucleon; measured reaction products; deduced yields. The hydrogen target was surrounded by the MINOS Time Projection Chamber, SAMURAI spectrometer, RIKEN RI Beam Factory.

RADIOACTIVITY ²⁸O(4n), ²⁷O(3n); measured decay products, En, In; deduced decay energy spectra and schemes from the measured momenta using the invariant-mass technique, resonance parameters. Comparison with the large-scale shell-model calculations using the new chiral effective field theory (EEdf3) interaction.

doi: 10.1038/s41586-023-06352-6
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2023KO21      Phys.Rev. C 108, 034601 (2023)

J.Kovoor, K.L.Jones, J.Hooker, M.Vostinar, R.Kanungo, S.D.Pain, M.Alcorta, J.Allen, C.Andreoiu, L.Atar, D.W.Bardayan, S.S.Bhattacharjee, D.Blankstein, C.Burbadge, S.Burcher, W.N.Catford, S.Cha, K.Chae, D.Connolly, B.Davids, N.E.Esker, F.H.Garcia, S.Gillespie, R.Ghimire, A.Gula, G.Hackman, S.Hallam, M.Hellmich, J.Henderson, M.Holl, P.Jassal, S.King, T.Knight, R.Kruecken, A.Lepailleur, J.Liang, L.Morrison, P.D.O'Malley, X.Pereira-Lopez, A.Psaltis, A.Radich, J.Refsgaard, A.C.Shotter, M.Williams, O.Workman

Structure studies of ¹³Be from the ¹²Be(d, p) reaction in inverse kinematics on a solid deuteron target

doi: 10.1103/PhysRevC.108.034601
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2023WA18      Phys.Lett. B 843, 138038 (2023)

H.Wang, M.Yasuda, Y.Kondo, T.Nakamura, J.A.Tostevin, K.Ogata, T.Otsuka, A.Poves, N.Shimizu, K.Yoshida, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, H.L.Crawford, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.Douma, Z.Elekes, P.Fallon, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.A.Najafi, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, N.A.Orr, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, T.Uesaka, Z.Yang, K.Yoneda

Intruder configurations in ²⁹Ne at the transition into the island of inversion: Detailed structure study of ²⁸Ne

NUCLEAR REACTIONS ¹H(²⁹Ne, np)²⁸Ne, E=240 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme, J, π, one-neutron removal σ, parallel momentum distributions. Comparison with available data. The MINOS target was surrounded by the DALI2 array, the Radioactive Isotope Beam Factory (RIBF), operated by the RIKEN Nishina Center and the Center for Nuclear Study, University of Tokyo.

doi: 10.1016/j.physletb.2023.138038
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2023WA24      Eur.Phys.J. A 59, 154 (2023)

F.Wamers, C.Lehr, J.Marganiec-Galazka, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, L.Atar, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, C.Caesar, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, M.Holl, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, D.Savran, H.Scheit, G.Schrieder, P.Schrock, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, C.Wimmer

Diverse mechanisms in proton knockout reactions from the Borromean nucleus ¹⁷Ne

NUCLEAR REACTIONS ¹H, ¹²C(¹⁷Ne, 2p), (¹⁷Ne, ¹⁶F), E=500 MeV/nucleon; analyzed available data. ¹⁷Ne, ¹⁶F; deduced σ(E), resonance parameters, spectroscopic factors. The SIS-18 synchrotron at GSI.

doi: 10.1140/epja/s10050-023-01063-y
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2022LE02      Phys.Lett. B 827, 136957 (2022)

C.Lehr, F.Wamers, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, L.Atar, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, C.Caesar, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, M.Heine, D.H.H.Hoffmann, M.Holl, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, B.Loher, K.Mahata, J.Marganiec-Galazka, C.Muntz, T.Nilsson, C.Nociforo, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, D.Savran, H.Scheit, G.Schrieder, P.Schrock, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, C.Wimmer

Unveiling the two-proton halo character of ¹⁷Ne: Exclusive measurement of quasi-free proton-knockout reactions

NUCLEAR REACTIONS ¹H(¹⁷Ne, 2p), E=498 MeV/nucleon; measured reaction products. ¹⁷Ne; deduced σ(E), energy levels, two-proton halo. The GSI synchrotron SIS18.

doi: 10.1016/j.physletb.2022.136957
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2021GI14      Phys.Rev. C 104, 044313 (2021)

S.A.Gillespie, J.Henderson, K.Abrahams, F.A.Ali, L.Atar, G.C.Ball, N.Bernier, S.S.Bhattcharjee, R.Caballero-Folch, M.Bowry, A.Chester, R.Coleman, T.Drake, E.Dunling, A.B.Garnsworthy, B.Greaves, G.F.Grinyer, G.Hackman, E.Kasanda, R.LaFleur, S.Masango, D.Muecher, C.Ngwetsheni, S.S.Ntshangase, B.Olaizola, J.N.Orce, T.Rockman, Y.Saito, L.Sexton, P.Siuryte, J.Smallcombe, J.K.Smith, C.E.Svensson, E.Timakova, R.Wadsworth, J.Williams, M.S.C.Winokan, C.Y.Wu, T.Zidar

Coulomb excitation of ^{80, 82}Kr and a change in structure approaching N=Z=40

NUCLEAR REACTIONS ¹⁹⁶Pt, ²⁰⁸Pb(⁸⁰Kr, ⁸⁰Kr'), (⁸²Kr, ⁸²Kr'), E=4.17 MeV/nucleon from TRIUMF offline ion source (OLIS) and ISAC accelerator; measured Eγ, Iγ, (particle)γ-coin using TIGRESS array for γ rays, and double-sided silicon strip detectors for scattered beam- and target-like nuclei. ^80,82Kr; deduced levels, J, π, Coulomb-excitation yields, and analyzed using GOSIA coupled-channels code, E2 and M1 matrix elements, B(E2) and B(M1), and spectroscopic quadrupole moments for the first 2+ and 4+ states; analyzed rotational invariants, and covariances and correlations on matrix elements. Comparison with previous experimental data for E2 matrix element and B(E2) values. Systematics of B(E2) and quadrupole moments of ^{74,76,78,80,82,84}Kr, and those of cos(3δ) parameters for the first 2+ states in ^66,68,70,72Zn, ^{70,72,74,76,78}Ge, ^{72,74,76,78,80}Se, ^{74,76,78,80,82}Kr, ^{76,78,80,82,84}Sr, and compared with expected values for an axially symmetric rotor.

doi: 10.1103/PhysRevC.104.044313
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2021KA39      Phys.Lett. B 822, 136681 (2021)

M.Kaneko, T.Murakami, T.Isobe, M.Kurata-Nishimura, A.Ono, N.Ikeno, J.Barney, G.Cerizza, J.Estee, G.Jhang, J.W.Lee, W.G.Lynch, C.Santamaria, C.Y.Tsang, M.B.Tsang, R.Wang, D.S.Ahn, L.Atar, T.Aumann, H.Baba, K.Boretzky, J.Brzychczyk, N.Chiga, N.Fukuda, I.Gasparic, B.Hong, A.Horvat, T.Ichihara, K.Ieki, N.Inabe, Y.J.Kim, T.Kobayashi, Y.Kondo, P.Lasko, H.S.Lee, Y.Leifels, J.Lukasik, J.Manfredi, A.B.McIntosh, P.Morfouace, T.Nakamura, N.Nakatsuka, S.Nishimura, R.Olsen, H.Otsu, P.Pawlowski, K.Pelczar, D.Rossi, H.Sakurai, H.Sato, H.Scheit, R.Shane, Y.Shimizu, H.Simon, T.Sumikama, D.Suzuki, H.Suzuki, H.Takeda, S.Tangwancharoen, Y.Togano, H.Tornqvist, Z.Xiao, S.J.Yennello, J.Yurkon, Y.Zhang

Rapidity distributions of Z=1 isotopes and the nuclear symmetry energy from Sn+Sn collisions with radioactive beams at 270 MeV/nucleon

NUCLEAR REACTIONS ¹²⁴Sn(¹³²Sn, X), ¹¹²Sn(¹⁰⁸Sn, X), E=270 MeV/nucleon; measured reaction products. ^1,2,3H; deduced rapidity distributions of hydrogen isotopes emitted from central collisions. Comparison with antisymmetrized molecular dynamics (AMD) calculations. RIKEN-RIBF facility.

doi: 10.1016/j.physletb.2021.136681
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2021NZ01      Phys.Rev. C 103, 034329 (2021)

J.C.Nzobadila Ondze, B.M.Rebeiro, S.Triambak, L.Atar, G.C.Ball, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, P.E.Garrett, R.Hertenberger, M.Kamil, R.Lindsay, J.N.Orce, A.Radich, H.-F.Wirth

Investigation of pair-correlated 0⁺ states in ¹³⁴Ba via the ¹³⁶Ba(p, t) reaction

NUCLEAR REACTIONS ¹³⁶Ba(p, t), E=22 MeV; measured reaction products, E(t), I(t), differential σ(θ) using Q3D spectrometer at MLL-Munich tandem accelerator. ¹³⁴Ba; deduced levels, energies of 0+ states, monopole (p, t) strengths. DWBA analysis. Comparison with previous experimental results. Discussed implication for ¹³⁶Xe to ¹³⁶Ba neutrinoless double beta decay matrix element calculation.

doi: 10.1103/PhysRevC.103.034329
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2020SY01      Phys.Lett. B 809, 135748 (2020)

I.Syndikus, M.Petri, A.O.Macchiavelli, S.Paschalis, C.A.Bertulani, T.Aumann, H.Alvarez-Pol, L.Atar, S.Beceiro Novo, J.Benlliure, J.M.Boillos, K.Boretzky, M.J.G.Borge, B.A.Brown, M.Caamano, C.Caesar, E.Casarejos, W.Catford, J.Cederkall, S.Chakraborty, L.V.Chulkov, D.Cortina-Gil, E.Cravo, R.Crespo, U.Datta Pramanik, I.Dillmann, P.Diaz Fernandez, Z.Elekes, J.Enders, F.Farinon, L.M.Fraile, D.Galaviz, H.Geissel, R.Gernhauser, P.Golubev, K.Gobel, M.Heil, M.Heine, A.Heinz, A.Henriques, M.Holl, H.T.Johansson, B.Jonson, N.Kalantar-Nayestanaki, R.Kanungo, A.Kelic-Heil, T.Kroll, N.Kurz, C.Langer, T.Le Bleis, J.Machado, J.Marganiec-Galazka, E.Nacher, T.Nilsson, C.Nociforo, V.Panin, A.Perea, S.B.Pietri, R.Plag, A.Rahaman, R.Reifarth, A.Revel, G.Ribeiro, C.Rigollet, D.M.Rossi, D.Savran, H.Scheit, H.Simon, O.Sorlin, O.Tengblad, Y.Togano, M.Vandebrouck, V.Volkov, F.Wamers, C.Wheldon, G.L.Wilson, J.S.Winfield, H.Weick, P.Woods, D.Yakorev, M.Zhukov, A.Zilges, K.Zuber

Probing the Z=6 spin-orbit shell gap with (p, 2p) quasi-free scattering reactions

NUCLEAR REACTIONS C, H(¹⁷N, X)¹⁶C, E=438 MeV/nucleon; C, H(¹⁹N, X)¹⁸C, E=430 MeV/nucleon; C, H(²¹N, X)²⁰C, E=422 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ, spectroscopic factors, proton component of spin-orbit splitting.

doi: 10.1016/j.physletb.2020.135748
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2523. Data from this article have been entered in the XUNDL database. For more information, click here.

2019AY03      Phys.Rev.Lett. 123, 082501 (2019)

Y.Ayyad, B.Olaizola, W.Mittig, G.Potel, V.Zelevinsky, M.Horoi, S.Beceiro Novo, M.Alcorta, C.Andreoiu, T.Ahn, M.Anholm, L.Atar, A.Babu, D.Bazin, N.Bernier, S.S.Bhattacharjee, M.Bowry, R.Caballero-Folch, M.Cortesi, C.Dalitz, E.Dunling, A.B.Garnsworthy, M.Holl, B.Kootte, K.G.Leach, J.S.Randhawa, Y.Saito, C.Santamaria, P.Siuryte, C.E.Svensson, R.Umashankar, N.Watwood, D.Yates

Direct Observation of Proton Emission in ¹¹Be

RADIOACTIVITY ¹¹Be(β^-p) [from U(p, X), E=480 MeV]; measured decay products, Eβ, Iβ, Ep, Ip; deduced level energy, resonance parameters, J, π. Comparison with available data.

doi: 10.1103/PhysRevLett.123.082501
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2019HO08      Phys.Lett. B 795, 682 (2019)

M.Holl, V.Panin, H.Alvarez-Pol, L.Atar, T.Aumann, S.Beceiro Novo, J.Benlliure, C.A.Bertulani, J.M.Boillos, K.Boretzky, M.Caamano, C.Caesar, E.Casarejos, W.Catford, J.Cederkall, L.Chulkov, D.Cortina-Gil, E.Cravo, I.Dillmann, P.Diaz Fernandez, Z.Elekes, J.Enders, L.M.Fraile, D.Galaviz-Redondo, R.Gernhauser, P.Golubev, T.Heftrich, M.Heil, M.Heine, A.Heinz, A.Henriques, H.T.Johansson, B.Jonson, N.Kalantar-Nayestanaki, R.Kanungo, A.Kelic-Heil, T.Kroll, N.Kurz, C.Langer, T.Le Bleis, S.Lindberg, J.Machado, E.Nacher, M.A.Najafi, T.Nilsson, C.Nociforo, S.Paschalis, M.Petri, R.Reifarth, G.Ribeiro, C.Rigollet, D.M.Rossi, D.Savran, H.Scheit, H.Simon, O.Sorlin, I.Syndikus, O.Tengblad, Y.Togano, M.Vandebrouck, P.Velho, F.Wamers, H.Weick, C.Wheldon, G.L.Wilson, J.S.Winfield, P.Woods, M.Zhukov, K.Zuber

Quasi-free neutron and proton knockout reactions from light nuclei in a wide neutron-to-proton asymmetry range

NUCLEAR REACTIONS ¹H(¹¹C, 2p), (¹⁰C, np), (¹¹C, np), (¹²C, np), E=300-400 MeV/nucleon; measured reaction products, Ep, Ip, En, In; deduced σ and momentum distributions. Comparison with DWIA calculations.

doi: 10.1016/j.physletb.2019.06.069
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2018AT01      Phys.Rev.Lett. 120, 052501 (2018)

L.Atar, R3B Collaboration

Quasifree (p, 2p) Reactions on Oxygen Isotopes: Observation of Isospin Independence of the Reduced Single-Particle Strength

NUCLEAR REACTIONS ^{13,14,15,16,17,18,19,20,21,22,23}O(p, 2p), E=300-450 MeV/nucleon; analyzed available data; calculated inclusive σ for quasifree knockout reaction using the eikonal reaction theory.

doi: 10.1103/PhysRevLett.120.052501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2442.