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NSR database version of April 26, 2024.

Search: Author = S.M.Cha

Found 19 matches.

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2023BI03      Phys.Rev.Lett. 130, 222501 (2023)

J.Bishop, G.V.Rogachev, S.Ahn, M.Barbui, S.M.Cha, E.Harris, C.Hunt, C.H.Kim, D.Kim, S.H.Kim, E.Koshchiy, Z.Luo, C.Park, C.E.Parker, E.C.Pollacco, B.T.Roeder, M.Roosa, A.Saastamoinen, D.P.Scriven

First Observation of the β3αp Decay of ¹³O via β-Delayed Charged-Particle Spectroscopy

RADIOACTIVITY ¹³O(β⁺p3α) [from ³He(¹⁴N, ¹³O), E=15.1 MeV/nucleon]; measured decay products, Eα, Iα. ¹³N; deduced β-delayed 3αp branching ratio, four previously unknown α-decaying excited states in ¹³N. Comparison with systematics. The K500 Cyclotron at Texas AM University, the Texas Active Target (TexAT) time projection chamber.

doi: 10.1103/PhysRevLett.130.222501
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Data from this article have been entered in the XUNDL database. For more information, click here.

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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Data from this article have been entered in the XUNDL database. For more information, click here.

2023PA44      Nucl.Instrum.Methods Phys.Res. B541, 221 (2023)

C.Park, S.Ahn, S.Bae, J.Bishop, S.M.Cha, K.Y.Chae, S.Do, G.M.Gu, K.I.Hahn, B.Hong, A.Kim, C.Kim, C.H.Kim, D.Kim, G.Kim, M.J.Kim, S.H.Kim, Y.H.Kim, Y.Kim, E.Koshchiy, B.Moon, C.E.Parker, G.V.Rogachev, A.Saastamoinen

TexAT detector upgrade for ¹⁴O(α, p)¹⁷F cross section measurement

NUCLEAR REACTIONS ⁴He(¹⁴N, α), E=2.97 MeV/nucleon; ⁴He(¹⁴O, p)¹⁷F, E(cm) = 7 MeV; measured reaction products, Eα, Iα, Ep, Ip; deduced σ. Comparison with available data. The Texas Active Target time projection chamber (TexAT) developed by Texas AM University.

doi: 10.1016/j.nimb.2023.04.056
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2022KI24      Astrophys.J. 929, 96 (2022)

C.Kim, K.Chae, S.Cha, K.Kwak, G.Seong, M.Smith

Estimation of the NiCu Cycle Strength and Its Impact on Type I X-Ray Bursts

NUCLEAR REACTIONS ⁵⁸Cu(p, α), (p, γ), E=10-200 keV; analyzed available data; deduced σ, reaction rates using model simulations, the estimated cycle strength does not strongly influence the model predictions of the burst light curve or synthesized abundances.

doi: 10.3847/1538-4357/ac5f09
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2021HA53      Astrophys.J. 915, L13 (2021)

S.Hayakawa, M.La Cognata, L.Lamia, H.Yamaguchi, D.Kahl, K.Abe, H.Shimizu, L.Yang, O.Beliuskina, S.M.Cha, K.Y.Chae, S.Cherubini, P.Figuera, Z.Ge, M.Gulino, J.Hu, A.Inoue, N.Iwasa, A.Kim, D.Kim, G.Kiss, S.Kubono, M.La Commara, M.Lattuada, E.J.Lee, J.Y.Moon, S.Palmerini, C.Parascandolo, S.Y.Park, V.H.Phong, D.Pierroutsakou, R.G.Pizzone, G.G.Rapisarda, S.Romano, C.Spitaleri, X.D.Tang, O.Trippella, A.Tumino, N.T.Zhang

Constraining the Primordial Lithium Abundance: New Cross Section Measurement of the ⁷Be + n Reactions Updates the Total ⁷Be Destruction Rate

NUCLEAR REACTIONS ²H(⁷Be, p⁷Li)¹H, E=3.16 MeV/nucleon; measured reaction products. ⁸Be; deduced σ, low-lying resonance parameters, astrophysical reaction rates for ⁷Be(n, p) and ⁷Be(n, α) reactions. Comparison with available data. the Trojan Horse Method (THM), Center-for-Nuclear-Study RI Beam separator (CRIB), the University of Tokyo, located atthe RI Beam Factory, RIKEN.

doi: 10.3847/2041-8213/ac061f
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23652.

2021HU23      Phys.Rev.Lett. 127, 172701 (2021)

J.Hu, H.Yamaguchi, Y.H.Lam, A.Heger, D.Kahl, A.M.Jacobs, Z.Johnston, S.W.Xu, N.T.Zhang, S.B.Ma, L.H.Ru, E.Q.Liu, T.Liu, S.Hayakawa, L.Yang, H.Shimizu, C.B.Hamill, A.St J.Murphy, J.Su, X.Fang, K.Y.Chae, M.S.Kwag, S.M.Cha, N.N.Duy, N.K.Uyen, D.H.Kim, R.G.Pizzone, M.La Cognata, S.Cherubini, S.Romano, A.Tumino, J.Liang, A.Psaltis, M.Sferrazza, D.Kim, Y.Y.Li, S.Kubono

Advancement of Photospheric Radius Expansion and Clocked Type-I X-Ray Burst Models with the New ²²Mg(α, p)²⁵Al Reaction Rate Determined at the Gamow Energy

NUCLEAR REACTIONS ¹H(²⁵Al, p), (²⁵Al, p'), (²⁵Al, X), E=142 MeV; measured reaction products, Ep, Ip, Eγ, Iγ. ²⁶Si; deduced σ(θ), level energies, J, π, resonance parameters, astrophysical reaction rates. Comparison with available data.

doi: 10.1103/physrevlett.127.172701
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2724. Data from this article have been entered in the XUNDL database. For more information, click here.

2021KI05      Phys.Rev. C 104, 014323 (2021)

M.J.Kim, K.Y.Chae, S.Ahn, D.W.Bardayan, S.M.Cha, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss

First measurement of proton decay from a transfer reaction to ²¹Na

NUCLEAR REACTIONS ²⁴Mg(p, α)²¹Na^*, E=31 MeV; analyzed Eα, Iα, light charged particles, particle identification plot, α(protons from the decay of excited stated in ²¹Na)-coin, a follow-up analysis of previously reported experiment in 2017Ch34 using silicon detector array SIDAR at HRIBF-ORNL facility. ²¹Na; deduced levels, proton branching ratios from decay of levels in ²¹Na to the ground and first excited states of ²⁰Ne assuming isotropic decays. ²¹Mg(β⁺), (β⁺p); compared previously known experimental delayed proton branches from levels in ²¹Na populated in β⁺ decay of ²¹Mg with those from the transfer reaction in the present analysis.

doi: 10.1103/PhysRevC.104.014323
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021UY01      Nucl.Phys. A1007, 122136 (2021)

N.K.Uyen, K.Y.Chae, N.N.Duy, S.M.Cha, M.S.Kwag, D.H.Kim, L.T.Phuc, N.Q.Hung, P.D.Khang, N.X.Hai, H.H.Thang, N.N.Anh

Level scheme of ¹⁶⁴Dy obtained from ¹⁶³Dy(n_th, 2γ) experiment

NUCLEAR REACTIONS ¹⁶³Dy(n, 2γ)¹⁶⁴Dy, E thermal; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, J, π, branching ratios. Comparison with ENSDF library.

doi: 10.1016/j.nuclphysa.2021.122136
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2021YA01      Phys.Lett. B 813, 136045 (2021)

L.Yang, C.J.Lin, H.Yamaguchi, J.Lei, P.W.Wen, M.Mazzocco, N.R.Ma, L.J.Sun, D.X.Wang, G.X.Zhang, K.Abe, S.M.Cha, K.Y.Chae, A.Diaz-Torres, J.L.Ferreira, S.Hayakawa, H.M.Jia, D.Kahl, A.Kim, M.S.Kwag, M.La Commara, R.Navarro-Perez, C.Parascandolo, D.Pierroutsakou, J.Rangel, Y.Sakaguchi, C.Signorini, E.Strano, X.X.Xu, F.Yang, Y.Y.Yang, G.L.Zhang, F.P.Zhong, J.Lubian

Insight into the reaction dynamics of proton drip-line nuclear system ¹⁷F+⁵⁸Ni at near-barrier energies

NUCLEAR REACTIONS ⁵⁸Ni(¹⁷F, ¹⁷F), (¹⁷F, X), E=43.6, 47.5, 55.7, 63.1 MeV; measured reaction products, Eα, Iα, Ep, Ip. ¹⁶O, ¹⁷F; deduced σ, σ(θ) quasielastic scattering and fusion.

doi: 10.1016/j.physletb.2020.136045
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2687.

2020HA03      Phys.Rev. C 101, 015804 (2020)

M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu

γ-ray spectroscopy of astrophysically important states in ³⁹Ca

NUCLEAR REACTIONS ⁴⁰Ca(³He, αγ)³⁹Ca, E=30 MeV; Measured Eγ, Iγ, Eα, Iα, αγ-coin, reaction products using the GODDESS array (Gammasphere for γ detection and ORRUBA for particle detection) at the ATLAS-ANL facility. ³⁹Ca; deduced levels, J, π, γ-branching ratios. ³⁸K(p, γ)³⁹Ca, T=0.1-0.4 GK; deduced resonance parameters, astrophysical reaction rates. Discussed impact on abundances of isotopes created at the endpoint of nova nucleosynthesis.

doi: 10.1103/PhysRevC.101.015804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2454. Data from this article have been entered in the XUNDL database. For more information, click here.

2020HA31      Phys.Rev. C 102, 045802 (2020)

M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu

¹⁹Ne level structure for explosive nucleosynthesis

NUCLEAR REACTIONS ¹⁹F(³He, t)¹⁹Ne, E=30 MeV; measured reaction products, E(t), I(t), Eγ, Iγ, (triton)γ-, and (triton)γγ-coin using ORRUBA array with Micron QQQ5 telescopes for tritons and Gammasphere array for γ rays at ATLAS-ANL facility. ¹⁹Ne; deduced levels, J, π, γ-branching ratios. Comparison with earlier experimental results and with evaluated data. ¹⁸F(p, α)¹⁵O, E(cm)<0.9 MeV; calculated astrophysical S factors, and reaction rates at temperature of 0.06 to 0.4 GK.

doi: 10.1103/PhysRevC.102.045802
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Data from this article have been entered in the XUNDL database. For more information, click here.

2020PI11      Eur.Phys.J. A 56, 199 (2020)

R.G.Pizzone, C.Spampinato, R.Sparta, M.Couder, W.Tan, V.Burjan, G.D'Agata, G.L.Guardo, M.La Cognata, L.Lamia, J.Mrazek, S.Palmerini, S.Typel, A.Tumino, M.Wiescher, S.Anguilar, D.Bardayan, D.Blankstein, L.Boccioli, L.Callahan, S.M.Cha, K.Y.Chae, A.M.Clark, B.Frentz, M.R.Hall, A.Gula, S.Henderson, R.Kelmar, M.S.Kwag, I.Indelicato, M.La Commara, D.Lattuada, Q.Liu, J.Long, M.Mazzocco, A.Majumdar, S.McGuinness, A.Nelson, A.A.Oliva, P.O'Malley, P.M.Prajapati, G.G.Rapisarda, S.Romano, M.L.Sergi, C.Seymour, M.Skulski, C.Spitaleri, J.Wilkinson

Indirect measurement of the ³He(n, p)³H reaction cross section at Big Bang energies

NUCLEAR REACTIONS ²H(³He, pt), E=9 MeV; measured reaction products, Ep, Ip; deduced σ for ³He(n, p) reaction using the Trojan Horse Method (THM).

doi: 10.1140/epja/s10050-020-00212-x
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14716.

2019AF03      Astrophys.J. 881, 22 (2019)

N.Afsariardchi, D.-S.Moon, M.R.Drout, S.Gonzalez-Gaitan, Y.Q.Ni, C.D.Matzner, S.C.Kim, Y.Lee, H.S.Park, A.Gal-Yam, G.Pignata, B.-C.Koo, S.Ryder, S.-M.Cha, Y.Lee

KSP-SN-2016kf: A Long-rising H-rich Type II Supernova with Unusually High 56Ni Mass Discovered in the KMTNet Supernova Program

doi: 10.3847/1538-4357/ab2be6
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2019HA08      Phys.Rev.Lett. 122, 052701 (2019)

M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu

Key ¹⁹Ne States Identified Affecting γ-Ray Emission from ¹⁸F in Novae

NUCLEAR REACTIONS ¹⁹F(³He, t)¹⁹Ne, E=30 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, S-factor, reaction rates, resonance energies. Comparison with available data.

doi: 10.1103/PhysRevLett.122.052701
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Data from this article have been entered in the XUNDL database. For more information, click here.

2019HA14      Phys.Rev. C 99, 035805 (2019)

M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu

New γ-ray transitions observed in ¹⁹Ne with implications for the ¹⁵O(α, γ)¹⁹Ne reaction rate

NUCLEAR REACTIONS ¹⁹F(³He, t), E=30 MeV; measured triton spectra, Eγ, Iγ, tγ- and γγ-coin using Gammasphere array for γ detection with the silicon detector array ORRUBA Dual Detectors for Experimental Structure Studies (GODDESS) at ATLAS-ANL facility. ¹⁹Ne; deduced levels, J, π, and γ-branching ratios for the decay of 4.14- and 4.20-MeV states. ¹⁵O(α, γ)¹⁹Ne, E≈18-180 keV; calculated fractional contribution of the corrected branching ratios for the 4.14 MeV, 7/2- and 4.20 MeV, 9/2- states in ¹⁹Ne to astrophysical reaction rate, which is of significance in breakout from the hot CNO cycle in type I x-ray bursts. Comparison with previous experimental values.

doi: 10.1103/PhysRevC.99.035805
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Data from this article have been entered in the XUNDL database. For more information, click here.

2019MA46      Eur.Phys.J. A 55, 87 (2019)

N.R.Ma, L.Yang, C.J.Lin, H.Yamaguchi, D.X.Wang, L.J.Sun, M.Mazzocco, H.M.Jia, S.Hayakawa, D.Kahl, S.M.Cha, G.X.Zhang, F.Yang, Y.Y.Yang, C.Signorini, Y.Sakaguchi, K.Abe, M.La Commara, D.Pierroutsakou, C.Parascandolo, E.Strano, A.Kim, K.Y.Chae, M.S.Kwag, G.L.Zhang, M.Pan, X.X.Xu, P.W.Wen, F.P.Zhong, H.H.Sun, G.Guo

MITA: A Multilayer Ionization-chamber Telescope Array for low-energy reactions with exotic nuclei

NUCLEAR REACTIONS ⁵⁸Ni(¹⁷F, ¹⁷F'), E=55.7 MeV; measured ToF of different isotopes recorded by MITA, reaction products; deduced protons and α counts vs E, σ(θ) vs θ.

doi: 10.1140/epja/i2019-12765-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2687.

2017CH34      Phys.Rev. C 96, 025810 (2017)

S.M.Cha, K.Y.Chae, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss

Spectroscopic study of the radionuclide ²¹Na for the astrophysical ¹⁷F (α, p) ²⁰Ne reaction rate

NUCLEAR REACTIONS ²⁴Mg(p, α)²¹Na, E=31 MeV; measured particle spectra, Eα, Iα, σ(θ) using annular silicon strip detector array at the ORNL Holifield Radioactive Ion Beam Facility. ²¹Na; deduced levels, proton resonances, J, π, L-transfers by DWBA analysis, Γ_α and resonance strengths of proton resonances. Comparison with previous experimental data as in the Nuclear Data Sheets. ¹⁷F(α, p)²⁰Ne, T=0.1-1.1 GK; deduced astrophysical reaction rates, and compared with previous values, and with REACLIB compilation.

doi: 10.1103/PhysRevC.96.025810
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2590. Data from this article have been entered in the XUNDL database. For more information, click here.

2017YA05      Phys.Lett. B 766, 11 (2017)

H.Yamaguchi, D.Kahl, S.Hayakawa, Y.Sakaguchi, K.Abe, T.Nakao, T.Suhara, N.Iwasa, A.Kim, D.H.Kim, S.M.Cha, M.S.Kwag, J.H.Lee, E.J.Lee, K.Y.Chae, Y.Wakabayashi, N.Imai, N.Kitamura, P.Lee, J.Y.Moon, K.B.Lee, C.Akers, H.S.Jung, N.N.Duy, L.H.Khiem, C.S.Lee

Experimental investigation of a linear-chain structure in the nucleus ¹⁴C

NUCLEAR REACTIONS ⁴He(¹⁰Be, X)¹⁴C, E=24.9 MeV; measured reaction products, Eα, Iα; deduced σ(θ), level energies, J, π, resonance parameters. R-matrix fit with SAMMY8, comparison with available data.

doi: 10.1016/j.physletb.2016.12.050
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2528. Data from this article have been entered in the XUNDL database. For more information, click here.

2015CH66      J.Korean Phys.Soc. 67, 1435 (2015)

S.M.Cha, K.Y.Chae, A.Kim, E.J.Lee, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, B.Manning, P.D.O'Malley, A.Ratkiewicz, S.Strauss, R.L.Kozub, M.Matos, S.D.Pain, S.T.Pittman, M.S.Smith, W.A.Peters

²⁴Mg(p, α)²¹Na reaction study for spectroscopy of ²¹Na

NUCLEAR REACTIONS ²⁴Mg(p, α), E=31 MeV; measured reaction products, Eα, Iα; deduced α-particles yields, σ(θ), new energy level in ²¹Na. Comparison with theoretical calculations.

doi: 10.3938/jkps.67.1435
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2590.

Note: The following list of authors and aliases matches the search parameter S.M.Cha: , S.M.CHA