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Your search keyword '"Z. G. Gan"' showing total 15 results
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15 results on '"Z. G. Gan"'

1. Examining the impact of α -decay energies on the odd-even staggering in half-lives: α -decay spectroscopy of Ac207–209

Author

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, and D. I. Solovyev

Published
2022
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2. New isotope Mc286 produced in the Am243+Ca48 reaction

Author

Yu. Ts. Oganessian, V. K. Utyonkov, N. D. Kovrizhnykh, F. Sh. Abdullin, S. N. Dmitriev, A. A. Dzhioev, D. Ibadullayev, M. G. Itkis, A. V. Karpov, D. A. Kuznetsov, O. V. Petrushkin, A. V. Podshibiakin, A. N. Polyakov, A. G. Popeko, I. S. Rogov, R. N. Sagaidak, L. Schlattauer, V. D. Shubin, M. V. Shumeiko, D. I. Solovyev, Yu. S. Tsyganov, A. A. Voinov, V. G. Subbotin, A. Yu. Bodrov, A. V. Sabel'nikov, A. V. Khalkin, K. P. Rykaczewski, T. T. King, J. B. Roberto, N. T. Brewer, R. K. Grzywacz, Z. G. Gan, Z. Y. Zhang, M. H. Huang, and H. B. Yang

Published
2022
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3. First experiment at the Super Heavy Element Factory: High cross section of Mc288 in the Am243+Ca48 reaction and identification of the new isotope Lr264

Author

Yu. Ts. Oganessian, V. K. Utyonkov, N. D. Kovrizhnykh, F. Sh. Abdullin, S. N. Dmitriev, D. Ibadullayev, M. G. Itkis, D. A. Kuznetsov, O. V. Petrushkin, A. V. Podshibiakin, A. N. Polyakov, A. G. Popeko, R. N. Sagaidak, L. Schlattauer, I. V. Shirokovski, V. D. Shubin, M. V. Shumeiko, D. I. Solovyev, Yu. S. Tsyganov, A. A. Voinov, V. G. Subbotin, A. Yu. Bodrov, A. V. Sabel'nikov, A. V. Khalkin, V. B. Zlokazov, K. P. Rykaczewski, T. T. King, J. B. Roberto, N. T. Brewer, R. K. Grzywacz, Z. G. Gan, Z. Y. Zhang, M. H. Huang, and H. B. Yang

Published
2022
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5. Configurations of the low-lying states in Eu146

Author

Q. B. Zeng, S. Guo, Z. Liu, J. G. Li, H. H. Li, J. G. Wang, Z. Y. Zhang, L. Ma, Y. H. Qiang, M. H. Huang, G. S. Li, Y. D. Fang, M. L. Liu, B. Ding, Y. Zheng, J. H. Li, H. Y. Lu, W. Q. Zhang, K. L. Wang, X.Y Liu, H. Huang, F. F. Zeng, X. H. Yu, A. Rohilla, J. F. Huang, H. L. Fan, C. Qi, C. X. Yuan, C. M. Petrache, E. A. Lawrie, W. Zuo, Z. G. Gan, and X. H. Zhou

Published
2022
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6. Investigation of Ca48 -induced reactions with Pu242 and U238 targets at the JINR Superheavy Element Factory

Author

Yu. Ts. Oganessian, V. K. Utyonkov, D. Ibadullayev, F. Sh. Abdullin, S. N. Dmitriev, M. G. Itkis, A. V. Karpov, N. D. Kovrizhnykh, D. A. Kuznetsov, O. V. Petrushkin, A. V. Podshibiakin, A. N. Polyakov, A. G. Popeko, R. N. Sagaidak, L. Schlattauer, V. D. Shubin, M. V. Shumeiko, D. I. Solovyev, Yu. S. Tsyganov, A. A. Voinov, V. G. Subbotin, A. Yu. Bodrov, A. V. Sabel'nikov, A. Lindner, K. P. Rykaczewski, T. T. King, J. B. Roberto, N. T. Brewer, R. K. Grzywacz, Z. G. Gan, Z. Y. Zhang, M. H. Huang, and H. B. Yang

Published
2022
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7. Fine structure in the α decay of the 8+ isomer in 216,218U

Author

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, and S. G. Zhou

Published
2022
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10. α -decay properties of Pa220

Author

X. H. Zhou (周小红), M. H. Huang (黄明辉), Z. Liu (刘忠), Z. Y. Zhang (张志远), Y. L. Tian (田玉林), M. M. Zhang (张明明), C. L. Yang (杨春莉), Z. Zhao (赵圳), Z. G. Gan (甘再国), Y. S. Wang (王永生), W. X. Huang (黄文学), H. B. Yang (杨华彬), and L. Ma (马龙)

Subjects
Physics, Atomic physics, Ground state, Beam energy, Energy (signal processing), Spin-½
Abstract

The isotope $^{220}\mathrm{Pa}$ produced in the reaction $^{40}\mathrm{Ar}+^{187}\mathrm{Re}$ at a beam energy of 198.7 MeV was reinvestigated via the $\ensuremath{\alpha}$-spectroscopic method. A new $\ensuremath{\alpha}$-decaying state in $^{220}\mathrm{Pa}$ has been observed with an energy ${E}_{\ensuremath{\alpha}}=9664(40)\phantom{\rule{0.28em}{0ex}}\mathrm{keV}$ and with a half-life ${T}_{1/2}={233}_{\ensuremath{-}56}^{+108}\phantom{\rule{0.28em}{0ex}}\mathrm{ns}$. The spin parity of the state is tentatively suggested to be (${3}^{\ensuremath{-}}$). The $\ensuremath{\alpha}$ energy and half-life of the (${1}^{\ensuremath{-}}$) ground state are measured to be ${E}_{\ensuremath{\alpha}}=9548(30)\phantom{\rule{0.28em}{0ex}}\mathrm{keV}$ and ${T}_{1/2}=0.75(8)\phantom{\rule{0.28em}{0ex}}\ensuremath{\mu}\mathrm{s}$, respectively. The reduced $\ensuremath{\alpha}$ width, inferred from the present data, fits well into the systematics for $N=129$ isotones.

Published
2021
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11. Lifetime measurement for the possible antimagnetic rotation band inPd101

Author

T. Shizuma, Takehito Hayakawa, Z. G. Gan, Yosuke Toh, Masumi Oshima, M. Sugawara, Makoto Matsuda, Tsuneyasu Morikawa, Yuichi Hatsukawa, H. Kusakari, T. Czosnyka, and Akihiko Osa

Subjects
Physics, Nuclear and High Energy Physics, Semiclassical physics, Atomic physics, Rotation, Omega, Line (formation)
Abstract

Lifetime measurements were made for the $\ensuremath{\nu}{h}_{11/2}$ band in $^{101}\mathrm{Pd}$, which had been interpreted as a possible antimagnetic rotation band based on the comparison of $I\ensuremath{-}\ensuremath{\omega}$ behavior with the calculation of a semiclassical particle-rotor model in our previous study. Doppler broadened line shapes were analyzed for the decaying $\ensuremath{\gamma}$ rays in the band following the reaction $^{68}\mathrm{Zn}(^{37}\mathrm{Cl},\phantom{\rule{0.16em}{0ex}}\text{1p3n})^{101}\mathrm{Pd}$. The semiclassical particle-rotor model was modified to reproduce both the $I\ensuremath{-}\ensuremath{\omega}$ plot and the $B(E2)$ behavior simultaneously for the antimagnetic rotation bands in Pd and Cd nuclei, for which $B(E2)$ values had been measured so far. Reasonable agreements between the experiment and the calculation were obtained. It is concluded that the lower part of the $\ensuremath{\nu}{h}_{11/2}$ band in $^{101}\mathrm{Pd}$ can be interpreted as an antimagnetic rotor.

Published
2015
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12. α-decay properties of the new isotopeU216

Author

Song Guo, Bing Ding, Z. Y. Zhang, Shan-Gui Zhou, Guang-Cheng Xiao, Ying Wang, Jun Jiang, Jie Wang, Xiaojuan Zhou, Lin Yu, Z. G. Gan, H. B. Yang, Z. Z. Ren, H.S. Xu, Lin Ma, and Yulin Tian

Subjects
Physics, Nuclear and High Energy Physics, Isotopic signature, Isotope, Spectrometer, Stable isotope ratio, Nuclear structure, Evaporation, Analytical chemistry, Alpha decay, Ground state
Abstract

The new neutron-deficient isotope U-216 was produced in the complete-fusion reaction W-180(Ar-40,(4)n) U-216. The evaporation residues were separated from the primary beam in flight by the gas-filled recoil separator Spectrometer for Heavy Atoms and Nuclear Structure. The activities have been identified by the alpha-alpha position and time correlation measurements. Two alpha-decaying states with E alpha = 8384(30) keV, T-1/2 = 4.72(-1.57)(+4.72) ms for the ground state and E alpha = 10582(30) keV, T-1/2 = 0.74(-0.29)(+1.34) ms for an isomeric state were identified in U-216.

Published
2015
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13. Possible antimagnetic rotational band and neutron alignment in101Pd

Author

Masumi Oshima, Yosuke Toh, Takehito Hayakawa, Z. G. Gan, T. Czosnyka, T. Shizuma, M. Sugawara, Makoto Matsuda, Tsuneyasu Morikawa, Akihiko Osa, H. Kusakari, and Yuichi Hatsukawa

Subjects
Physics, Nuclear and High Energy Physics, Nuclear magnetic resonance, Semiclassical physics, Neutron, Electric dipole transition, Atomic physics, Spectroscopy
Abstract

High-spin states of ${}^{101}$Pd were studied through in-beam $\ensuremath{\gamma}$-ray spectroscopy by using the reaction ${}^{68}$Zn(${}^{37}$Cl, $1p3n$). The band based on the ${h}_{11/2}$ neutron orbital was extended up to (${\frac{51}{2}}^{\ensuremath{-}}$), and the band based on the ${d}_{5/2}$ neutron orbital was revised. Various transitions decaying to these bands were observed, and consequently several side bands were established. Electric dipole transitions from the $\ensuremath{\nu}{h}_{11/2}$ band to the $\ensuremath{\nu}{d}_{5/2}$ band were also observed. The structure of the $\ensuremath{\nu}{h}_{11/2}$ band is discussed from the viewpoint of antimagnetic rotation based on a semiclassical particle-rotor model by taking neutron alignments into account. The possible existence of octupole correlations is also discussed on the basis of $B(E1)/B(E2)$ ratios for the decays of the $\ensuremath{\nu}{h}_{11/2}$ band.

Published
2012
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15. Competing fusion and quasifission reaction mechanisms in the production of superheavy nuclei

Author

Xiao-Hong Zhou, Werner Scheid, Jun-Qing Li, Minghui Huang, and Z. G. Gan

Subjects
Physics, Nuclear reaction, Nuclear and High Energy Physics, media_common.quotation_subject, Nuclear Theory, Hadron, Fermion, Asymmetry, Nuclear physics, Master equation, Nuclear fusion, Diffusion (business), Atomic physics, Nucleon, media_common
Abstract

Within the framework of a dinuclear system model, a new master equation is constructed and solved, which includes the relative distance of nuclei as a new dynamical variable in addition to the mass asymmetry variable so that the nucleon transfer, which leads to fusion and the evolution of the relative distance, which leads to quasifission (QF) are treated simultaneously in a consistent way. The QF mass yields and evaporation residual cross sections to produce superheavy nuclei are systematically investigated under this framework. The results fit the experimental data well. It is shown that the Kramers formula gives results of QF, which agree with those by our diffusion treatment, only if the QF barrier is high enough. Otherwise some large discrepancies occur.

Published
2010
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