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NSR database version of April 27, 2024.

Search: Author = S.Y.Xu

Found 14 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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2024YA04      Phys.Rev.Lett. 132, 072502 (2024)

H.B.Yang, Z.G.Gan, Y.J.Li, M.L.Liu, S.Y.Xu, C.Liu, M.M.Zhang, Z.Y.Zhang, M.H.Huang, C.X.Yuan, S.Y.Wang, L.Ma, J.G.Wang, X.C.Han, A.Rohilla, S.Q.Zuo, X.Xiao, X.B.Zhang, L.Zhu, Z.F.Yue, Y.L.Tian, Y.S.Wang, C.L.Yang, Z.Zhao, X.Y.Huang, Z.C.Li, L.C.Sun, J.Y.Wang, H.R.Yang, Z.W.Lu, W.Q.Yang, X.H.Zhou, W.X.Huang, N.Wang, S.G.Zhou, Z.Z.Ren, H.S.Xu

Discovery of New Isotopes ¹⁶⁰Os and ¹⁵⁶W: Revealing Enhanced Stability of the N=82 Shell Closure on the Neutron-Deficient Side

NUCLEAR REACTIONS ¹⁰⁶Cd(⁵⁸Ni, 4n)¹⁶⁰Os, E=335 MeV; measured reaction products; deduced new isotopes, σ. The Spectrometer for Heavy Atoms and Nuclear Structure (SHANS), the Sector Focusing Cyclotron of the Heavy Ion Research Facility in Lanzhou (HIRFL), China.

RADIOACTIVITY ¹⁶⁰Os(α), ¹⁵⁶W(β⁺); measured decay products, Eα, Iα; deduced α-particles energies, Q-values, T_1/2, α-decay reduced widths, N=82 shell closure toward the proton drip line. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.132.072502
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2024ZH04      Phys.Rev. C 109, 014608 (2024)

M.M.Zhang, Z.Y.Zhang, Z.G.Gan, N.Wang, H.Yao, J.G.Wang, M.H.Huang, L.Ma, H.B.Yang, C.L.Yang, Y.L.Tian, Y.S.Wang, J.Y.Wang, Y.H.Qiang, X.L.Wu, S.Y.Xu, X.Y.Huang, Z.C.Li, Z.Zhao, L.C.Sun, H.Zhou, X.Zhang, G.Xie, L.Zhu, J.H.Zheng, Y.J.Li, F.Guan, Z.W.Lu, W.X.Huang, Y.He, H.S.Xu, Z.Z.Ren, S.G.Zhou

Experimental cross section study of ⁴⁰Ca + ¹⁷⁵Lu: Searching for new neutron-deficient Pa isotopes

doi: 10.1103/PhysRevC.109.014608
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2024ZH19      Phys.Rev. C 109, 034314 (2024)

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

Reinvestigation of the decay properties of ^{261, 262}Bh at the gas-filled recoil separator SHANS2

doi: 10.1103/PhysRevC.109.034314
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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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2022MA45      Phys.Rev. C 106, 064316 (2022)

L.Ma, H.B.Yang, Z.Y.Zhang, J.C.Pei, M.H.Huang, M.M.Zhang, C.Y.Qiao, X.J.Bao, Y.L.Tian, C.L.Yang, Y.S.Wang, Z.Zhao, X.Y.Huang, S.Y.Xu, W.X.Huang, Z.Liu, X.H.Zhou, Z.G.Gan

Attempts to produce new americium isotopes near N=126

NUCLEAR REACTIONS ^191,193Ir(⁴⁰Ar, xn)²³¹Am^*/²³³Am^*, E=190-204 MeV; measured reaction products, Eα, (recoils)α-α-α correlated events, using SHANS gas-filled recoil separator, 16 position-sensitive Si-strip detectors (PSSDs) for evaporation residues, and eight side silicon detectors (SSDs) for α particles at the HRIFL-Lanzhou facility. ^226,227,228Am; no evidence found for the detection of these nuclides, with upper limits of cross sections determined for the production of the compound nuclei of ²³¹Am and ²³³Am; discussed nonobservation of new americium isotopes in terms of reduced survival probabilities of compound nuclei ²³¹Am and ²³³Am due to their low fission barriers at high excitations.

NUCLEAR STRUCTURE ^{226,227,228,229}Am; calculated excitation functions for the production of these nuclides in ^191,193Ir(⁴⁰Ar, xn) using the statistical model code HIVAP. ^{230,231,232,233,234,235,236}Am; evaluated shell correction energies and fission barriers from FRDM2012, KTUY2005, and WS2010. ²²⁶U, ²²⁷Np, ^231,233Am; calculated fission barrier heights as functions of excitation energy and quadrupole deformation parameter β₂ using microscopic finite-temperature Skyrme Hartree-Fock+BCS theory.

doi: 10.1103/PhysRevC.106.034316
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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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2021SO19      Chin.Phys.C 45, 044101 (2021)

Q.-F.Song, S.-Y.Xu, J.Su

Nucleon stripping in deuteron-induced spallation reactions at hundreds MeV/nucleon

NUCLEAR REACTIONS ²⁰⁸Pb(n, X), (p, X), E=200 MeV/nucleon; ¹²C, ²⁷Al, ⁶⁵Cu, ¹²⁰Sn, ²⁰⁸Pb(d, X), E<1000 MeV; analyzed available data; calculated σ.

doi: 10.1088/1674-1137/abde31
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1988FR03      Nucl.Phys. A477, 143 (1988)

P.Frobrich, S.Y.Xu

The Treatment of Heavy-Ion Collisions by Langevin Equations

NUCLEAR REACTIONS ²⁷Al(²⁰Ne, X), Ni(Pb, X), E(cm)=21-100 MeV; calculated fusion σ(E). ¹⁶⁶Er(⁸⁶Kr, X), E=8.18 MeV/nucleon; calculated energy, angle integrated fragment σ. ¹³⁶Xe(²⁰⁹Bi, X), E=940 MeV; calculated fragment σ(θ, E). Langevin equation approach.

doi: 10.1016/0375-9474(88)90366-1
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1987ZH02      Nucl.Phys. A461, 641 (1987)

X.-Z.Zhang, D.H.E.Gross, S.-Y.Xu, Y.-M.Zheng

On the Decay of Very Hot Nuclei. (I). Canonical Metropolis Sampling of Multifragmentation

NUCLEAR REACTIONS ²³⁸U(p, X), E=1-400 GeV; calculated σ vs fragment mass, yields vs fragment energy. Canonical Metropolis sampling method.

doi: 10.1016/0375-9474(87)90414-3
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1987ZH03      Nucl.Phys. A461, 668 (1987)

X.-Z.Zhang, D.H.E.Gross, S.-Y.Xu, Y.-M.Zheng

On the Decay of Very Hot Nuclei. (II). Microcanonical Metropolis Sampling of Multifragmentation

NUCLEAR REACTIONS ²³⁸U(p, X), E=1-400 GeV; calculated σ vs fragment mass, yield vs temperature, charge fragment multiplicities. Microcanonical Metropolis sampling method.

doi: 10.1016/0375-9474(87)90415-5
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1986AB09      Z.Phys. A325, 373 (1986)

A.Y.Abul-Magd, D.H.E.Gross, Xu Shu-yan, Zheng Yu-ming

Mass Yield in High-Energy Proton-Uranium Collisions from a Complete, Microcanonical Statistical Decay

NUCLEAR REACTIONS ²³⁸U(p, X), E=3 GeV; calculated σ vs mass. Glauber approximation.

1986GR03      Phys.Rev.Lett. 56, 1544 (1986)

D.H.E.Gross, Zhang Xiao-Ze, Xu Shu-yan

Decay of very Hot Nuclei

NUCLEAR STRUCTURE ²³⁵U; calculated average charged fragment, prompt, evaporated neutron numbers, heavy fragment multiplicity, temperature.

doi: 10.1103/PhysRevLett.56.1544
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Note: The following list of authors and aliases matches the search parameter S.Y.Xu: , S.Y.XU