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NSR database version of April 27, 2024.

Search: Author = L.X.Chen

Found 7 matches.

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2024WA14      Phys.Lett. B 850, 138503 (2024)

J.G.Wang, Z.G.Gan, Z.Y.Zhang, M.H.Huang, L.Ma, M.M.Zhang, H.B.Yang, C.L.Yang, Y.H.Qiang, X.Y.Huang, Z.Zhao, S.Y.Xu, Z.C.Li, L.X.Chen, L.C.Sun, H.Zhou, X.Zhang, X.L.Wu, Y.L.Tian, Y.S.Wang, J.Y.Wang, W.X.Huang, M.L.Liu, Z.W.Lu, Y.He, Z.Z.Ren, S.G.Zhou, X.H.Zhou, H.S.Xu, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov

α-decay properties of new neutron-deficient isotope ²⁰³Ac

RADIOACTIVITY ²⁰³Ac, ¹⁹⁹Fr, ¹⁹⁵At, ¹⁹¹Bi(α) [from ¹⁶⁹Tm(⁴⁰Ca, 6n)²⁰³Ac, E=226 MeV]; measured decay products, Eα, Iα; deduced α-particle energies, transitions T_1/2, J, π, partial decay scheme, reduced α-decay widths, proton separation energies, the onset of deformation in neutron-deficient Ac isotopes. Comparison with systematics. The superconducting linear accelerator, China Accelerator Facility for superheavy Elements (CAFE2) at Institute of Modern Physics, Chinese Academy of Sciences.

doi: 10.1016/j.physletb.2024.138503
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2022HU12      Phys.Lett. B 834, 137484 (2022)

M.H.Huang, Z.G.Gan, Z.Y.Zhang, L.Ma, J.G.Wang, M.M.Zhang, H.B.Yang, C.L.Yang, X.Y.Huang, Z.Zhao, S.Y.Xu, L.X.Chen, X.J.Wen, Y.F.Niu, C.X.Yuan, Y.L.Tian, Y.S.Wang, J.Y.Wang, M.L.Liu, Y.H.Qiang, W.Q.Yang, H.B.Zhang, Z.W.Lu, S.Guo, W.X.Huang, Y.He, Z.Z.Ren, S.G.Zhou, X.H.Zhou, H.S.Xu, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov

α decay of the new isotope ²⁰⁴Ac

RADIOACTIVITY ^204,205Ac(α) [from ¹⁶⁹Tm(⁴⁰Ca, xn), E=202, 210, 212, 214 MeV using SHANS2 separator at CAFE2 and SHANS separator at HRIFL, Lanzhou accelerator facility]; ²⁰⁰Fr, ¹⁹⁶At(α) [from ²⁰⁴Ac α-decay chain]; measured evaporation residues (ERs), Eα, (ER)α-α-α correlated events, production cross sections, T_1/2 of decays using two multiwire proportional counters for implanted events, double-sided silicon strip detectors (DSSSDs) for α particles, and a segmented clover Ge detector for γ radiation. ^204,205Ac, ²⁰⁰Fr, ¹⁹⁶At; deduced T_1/2 of decays of ground-state decays, and Eα values, reduced α-width in Rasmussen formalism, favored α decay for ²⁰⁴Ac decay. ²⁰⁴Ac(p); no proton decay events observed. ^{201,201m,202,202m,203,204,205}Fr, ^204,205,206Ra(α); observed α spectra, (ERs)-α-α-correlated events. Comparison with previous available experimental results. Systematics of experimental and theoretical T_1/2 and Q(α) values for ^{196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211}At, ^{198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213}Fr, ^{203,204,205,206,207,208,209,210,211,212,213,214,215}Ac, ^{211,212,213,214,215,216,217}Pa, using Hartree-Fock-BCS (HFBSC) method, and macroscopic-microscopic (MM) mass formula for theory.

doi: 10.1016/j.physletb.2022.137484
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2022YA27      Phys.Rev. C 106, 064311 (2022)

H.B.Yang, Z.G.Gan, Z.Y.Zhang, M.H.Huang, L.Ma, M.M.Zhang, C.L.Yang, Y.L.Tian, Y.S.Wang, H.B.Zhou, X.J.Wen, J.G.Wang, Z.Zhao, S.Y.Xu, L.X.Chen, X.Y.Huang, C.X.Yuan, Y.F.Niu, H.R.Yang, W.X.Huang, Z.Liu, X.H.Zhou, Y.H.Zhang, S.G.Zhou, Z.Z.Ren, H.S.Xu, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov, D.I.Solovyev

Examining the impact of α-decay energies on the odd-even staggering in half-lives: α-decay spectroscopy of ^207-209Ac

RADIOACTIVITY ^{207,208,208m,209}Ac(α)[from ¹⁷⁶Hf(³⁶Ar, X), E=197-199 MeV]; measured evaporation residues (ER), Eα, Iα, αα-coin, (ER)αα-coin; deduced T_1/2, Q values, decay branches. ^204mFr(IT) [from ²⁰⁸Ac(α)]; deduced T_1/2, isomer level energy, tentative J and π for the newly found 80-keV isomer. ²⁰⁴Fr(α)[from ^208,208mAc(α)]; deduced T_1/2. Found new α-decay branching ²⁰⁸Ac and assigned to the transition from ground state to the excited (2⁺, 4⁺) state. Comparison to the calculations performed in the framework of Wentzel-Kramers-Brillouin approximation. Spectrometer for Heavy Atoms and Nuclear Structure (SHANS) at Sector Focusing Cyclotron of the Heavy Ion Research Facility in Lanzhou (HIRFL).

doi: 10.1103/PhysRevC.106.064311
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2022ZH45      Phys.Rev. C 106, 024305 (2022)

M.M.Zhang, Y.L.Tian, Y.S.Wang, Z.Y.Zhang, Z.G.Gan, H.B.Yang, M.H.Huang, L.Ma, C.L.Yang, J.G.Wang, C.X.Yuan, C.Qi, A.N.Andreyev, X.Y.Huang, S.Y.Xu, Z.Zhao, L.X.Chen, J.Y.Wang, M.L.Liu, Y.H.Qiang, G.S.Li, W.Q.Yang, R.F.Chen, H.B.Zhang, Z.W.Lu, X.X.Xu, L.M.Duan, H.R.Yang, W.X.Huang, Z.Liu, X.H.Zhou, Y.H.Zhang, H.S.Xu, N.Wang, H.B.Zhou, X.J.Wen, S.Huang, W.Hua, L.Zhu, X.Wang, Y.C.Mao, X.T.He, S.Y.Wang, W.Z.Xu, H.W.Li, Y.F.Niu, L.Guo, Z.Z.Ren, S.G.Zhou

Fine structure in the α decay of the 8⁺ isomer in ^{216, 218}U

RADIOACTIVITY ^{216,216m,218,218m}U(α)[²¹⁸U from ¹⁸²W(⁴⁰Ar, 4n), E=190 MeV, ¹⁸⁴W(⁴⁰Ca, 2nα), E=206 MeV, ²¹⁶U from ¹⁸⁰W(⁴⁰Ar, 4n), E=191 MeV]; measured evaporation residues (EVRs), Eα, Iα, (EVR)α₁-α₂-correlations, T_1/2 using position-sensitive strip detectors (PSSDs) for α detection, and SHANS separator at HIRFL-Lanzhou. ^{216,216m,218,218m}U; deduced T_1/2, Q-values, α-branching ratio, α-decay hindrance factors. ²⁰⁴Rn, ^208,210Ra, ^212,214Th(α)[from ^216,218U α-decay chains]; measured Eα, T_1/2. ²¹²Th; deduced level, J, π, identification of the first 2+ state. ²¹⁵Ra, ^212,213,216Ac, ^{211,212,213,214,216,216m,217}Th, ^{216,217,217m,218}Pa, ^217,218,219U; observed Eα from their decays from (EVR)α-correlations. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.106.024305
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2010ZH04      Chin.Phys.Lett. 27, 022103 (2010)

M.-F.Zhong, J.-X.Li, D.-G.Zhang, R.Han, J.-X.Ji, L.-X.Chen

Clustering Structure of ¹⁰Be Studied with the Deformed RMF + BCS Method

NUCLEAR STRUCTURE ^8,10Be; calculated nucleon density distribution, binding energies; deduced two-neutron skin, 2-α clustering structure and 2-n clustering phenomena. Deformed relativistic mean field (RMF) model and BCS theory.

doi: 10.1088/0256-307X/27/2/022103
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2005WE01      Chin.Phys.Lett. 22, 61 (2005)

Y.-B.Wei, Y.-G.Ma, X.-Z.Cai, C.Zhong, J.-G.Chen, H.-Y.Zhang, D.-Q.Fang, K.Wang, G.-L.Ma, W.Guo, W.-D.Tian, W.-Q.Shen, W.-L.Zhan, G.-Q.Xiao, H.-S.Xu, Z.-Y.Sun, J.-X.Li, Z.-Y.Guo, M.Wang, Z.-Q.Chen, Z.-G.Hu, L.-X.Chen, C.Li, R.-S.Mao, J.Bai

Parallel Momentum Distribution of ²⁸Si Fragments from ²⁹P

NUCLEAR REACTIONS ¹²C(²⁹P, ²⁸SiX), E=30.7 MeV/nucleon; measured fragments parallel momentum distribution. ²⁸Si, ²⁹P deduced particle density distributions, related features. Glauber model and Skyrme-Hartree-Fock calculations.

doi: 10.1088/0256-307X/22/1/018
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2003ZH49      Mod.Phys.Lett. A 18, 151 (2003)

H.Y.Zhang, W.Q.Shen, Y.G.Ma, X.Z.Cai, D.Q.Fang, C.Zhong, Y.B.Wei, J.G.Chen, X.F.Zhou, G.L.Ma, K.Wang, Z.Z.Ren, W.L.Zhan, Z.Y.Guo, G.Q.Xiao, H.S.Xu, J.S.Wang, Z.Y.Sun, H.X.Li, M.Wang, Z.Q.Chen, Z.G.Xiao, W.F.Li, J.F.Li, Z.G.Hu, J.Bai, L.X.Chen

Possible exotic structure in light proton-rich nuclei

NUCLEAR REACTIONS C(¹⁵N, X), (¹⁷N, X), (¹⁶O, X), (¹⁸O, X), (¹⁷F, X), (¹⁹F, X), (²¹F, X), (²⁰Ne, X), (²²Ne, X), (²¹Na, X), (²³Na, X), (²²Mg, X), (²⁴Mg, X), (²³Al, X), (²⁵Al, X), (²⁶Si, X), (²⁷P, X), E ≈ 18-33 MeV; measured reaction σ. ¹⁷F, ²³Al, ²⁷P deduced radii, halo features. Secondary beams from ³⁶Ar fragmentation. Comparison with model predictions.

doi: 10.1142/S0217732303010156
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