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406 results on '"Zhou, X.H."'

12. A gas-filled recoil separator, SHANS2, at the China Accelerator Facility for Superheavy Elements

Author

Xu, S.Y., Zhang, Z.Y., Gan, Z.G., Huang, M.H., Ma, L., Wang, J.G., Zhang, M.M., Yang, H.B., Yang, C.L., Zhao, Z., Huang, X.Y., Chen, L.X., Wen, X.J., Zhou, H., Jia, H., Sheng, L.N., Wu, J.Q., Peng, X.L., Hu, Q., Yang, J., Yao, Q.G., Qin, Y.S., Yan, H.H., Chai, Z., Zhang, J.C., Zhang, Y., Du, Z., Xie, H.M., Zhao, B., Sun, G.Z., Wang, F.F., Yuan, C.Z., Wu, X.L., Chen, R.F., Zhang, H.B., Lu, Z.W., Yang, H.R., Xu, X.X., Chen, Y.X., Feng, A.H., Sun, P., Xu, J.K., He, Y., Sun, L.T., Zhou, X.H., Xu, H.S., Utyonkov, V.K., Voinov, A.A., Tsyganov, Yu.S., Polyakov, A.N., and Solovyev, D.I.

Published
2023
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16. Precision measurement of the transition energy [formula omitted] versus magnetic rigidity for storage-ring isochronous mass spectrometry

Author

Zhang, M., Zhang, Y.H., Wang, M., Zhou, X., Yuan, Y.J., Yan, X.L., Xing, Y.M., Fu, C.Y., Chen, R.J., Xu, X., Shuai, P., Zeng, Q., Sun, M.Z., Li, H.F., Si, M., Wang, Q., Bao, T., Deng, H.Y., Liu, M.Z., Liao, T., Shi, J.Y., Song, Y.N., Jiao, H.Y., Zhou, X.H., Xu, H.S., Yang, J.C., Ge, W.W., Litvinov, Yu.A., Litvinov, S.A., Yamaguchi, T., and Suzuki, S.

Published
2022
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17. α-decay properties of new neutron-deficient isotope 203Ac

Author

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

Published
2024
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19. Determination of luminosity for in-ring reactions: A new approach for the low-energy domain

Author

Xing, Y.M., Glorius, J., Varga, L., Bott, L., Brandau, C., Brückner, B., Chen, R.J., Chen, X., Dababneh, S., Davinson, T., Erbacher, P., Fiebiger, S., Gaßner, T., Göbel, K., Groothuis, M., Gumberidze, A., Gyürky, G., Heil, M., Hess, R., Hensch, R., Hillmann, P., Hillenbrand, P.-M., Hinrichs, O., Jurado, B., Kausch, T., Khodaparast, A., Kisselbach, T., Klapper, N., Kozhuharov, C., Kurtulgil, D., Lane, G., Langer, C., Lederer-Woods, C., Lestinsky, M., Litvinov, S., Litvinov, Yu.A., Löher, B., Petridis, N., Popp, U., Reed, M., Reifarth, R., Sanjari, M.S., Simon, H., Slavkovská, Z., Spillmann, U., Steck, M., Stöhlker, T., Stumm, J., Szücs, T., Nguyen, T.T., Zadeh, A. Taremi, Thomas, B., Torilov, S.Yu., Törnqvist, H., Trageser, C., Trotsenko, S., Volknandt, M., Wang, M., Weigand, M., Wolf, C., Woods, P.J., Zhang, Y.H., and Zhou, X.H.

Published
2020
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21. An effective digital pulse processing method for pile-up pulses in decay studies of short-lived nuclei

Author

Wang, X., Li, Z.H., Liu, Z., Li, J., Hua, H., Lu, H.Y., Zhang, W.Q., Huang, T.H., Sun, M.D., Wang, J.G., Liu, X.Y., Ding, B., Gan, Z.G., Ma, L., Yang, H.B., Zhang, Z.Y., Yu, L., Jiang, J., Wang, K.L., Wang, Y.S., Liu, M.L., Lin, C.J., Sun, L.J., Ma, N.R., Xu, H.S., Zhou, X.H., Xiao, G.Q., Wu, H.Y., Xu, C., Zhang, S.Q., Li, X.Q., Han, R., Chen, Z.Q., Wu, C.G., Luo, D.W., Jin, Y., Lin, J., Jiang, D.X., Ye, Y.L., and Zhang, F.S.

Published
2020
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24. Improving the resolving power of Isochronous Mass Spectrometry by employing an in-ring mechanical slit

Author

Liu, J.H., Xu, X., Zhang, P., Shuai, P., Yan, X.L., Zhang, Y.H., Wang, M., Litvinov, Yu.A., Xu, H.S., Blaum, K., Bao, T., Chen, H., Chen, X.C., Chen, R.J., Fu, C.Y., Liu, D.W., Ge, W.W., Mao, R.S., Ma, X.W., Sun, M.Z., Tu, X.L., Xing, Y.M., Yang, J.C., Yuan, Y.J., Zeng, Q., Zhou, X., Zhou, X.H., Zhan, W.L., Litvinov, S., Uesaka, T., Yamaguchi, Y., Yamaguchi, T., Ozawa, A., and Sun, B.H.

Published
2020
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32. Direct measurement of the 19F(p, αγ)16O reaction in JUNA

Author

Zhang L.Y., Su J., He J.J., Wiescher M., deBoer R.J., Kahl D., Chen Y.J., Li X.Y., Wang J.G., Zhang L., Cao F.Q., Zhang H., Zhang Z.C., Jiao T.Y., Sheng Y.D., Wang L.H., Song L.Y., Jiang X.Z., Li Z.M., Li E.T., Wang S., Lian G., Li Z.H., Tang X.D., Zhao H.W., Sun L.T., Wu Q., Li J.Q., Cui B.Q., Chen L.H., Ma R.G., Guo B., Xu S.W., Li J.Y., Qi N.C., Sun W.L., Guo X.Y., Zhang P., Chen Y.H., Zhou Y., Zhou J.F., He J.R., Shang C.S., Li M.C., Zhou X.H., Zhang Y.H., Zhang F.S., Hu Z.G., Xu H.S., Cheng J.P., and Liu W.P.

Subjects
Physics, QC1-999
Abstract

The 19F(p, αγ)16O reaction is of crucial importance for Galactic 19F abundances and CNO cycle loss in first generation Population III stars. Due to its extremely small cross sections, the 19F(p, αγ)16O reaction has not been measured in the low energy part of the Gamow window(70-200 keV). As a day-one campaign, the experiment was performed under the extremely low cosmicray-induced background environment of the China JinPing Underground Laboratory(CJPL), one of the deepest underground laboratories in the world. The γ-ray yields were measured over Ec.m. =72.4–344 keV, covering the full Gamow window for the first time. The direct experimental data will help people to expound the fluorine over-abundances, energy generation, as well as heavy-element nuclosynthesis scenario in asymptotic giant branch (AGB) stars, with the astrophysical model on the firm ground.

Published
2022
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35. First observation of a shape isomer and a low-lying strongly-coupled prolate band in neutron-deficient semi-magic Pb

Author

Zhang, W.Q., Andreyev, A.N., Liu, Z., Seweryniak, D., Huang, H., Li, Z.H., Li, J.G., Guo, C.Y., Doherty, D.T., Barzakh, A.E., Van Duppen, P., Cubiss, J.G., Andel, B., Antalic, S., Block, M., Bronis, A., Carpenter, M.P., Copp, P., Ding, B., Favier, Z., Giacoppo, F., Huang, T.H., Yu, X.H., Kindler, B., Kondev, F.G., Lauritsen, T., Li, G.S., Lommel, B., Lu, H.Y., Al Monthery, M., Mošať, P., Niu, Y.F., Raison, C., Reviol, W., Savard, G., Stolze, S., Wilson, G.L., Wu, H.Y., Wang, Z.H., Xu, F.R., Zeng, Q.B., and Zhou, X.H.

Abstract

Prompt and delayed γ-ray spectroscopy of the neutron-deficient, semi-magic isotope $^{187}$Pb has been performed using the recoil-decay and isomer-decay tagging techniques at the Argonne Gas-Filled Analyzer. A new 5.15(15)-μs isomeric state at only 308 keV above the spherical 3/2$^{−}$ ground state is identified and classified as a shape isomer. A strongly-coupled band is observed on top of the isomer, which is nearly identical to the one built on the prolate 7/2$^{−}$[514] Nilsson state in the isotone $^{185}$Hg. Based on this similarity and on the result of the potential-energy surface calculations, the new isomer in $^{187}$Pb is proposed to originate from the same configuration. The retarded character of the 308-keV (7/2$^{−}$)→3/2gs− transition with a deduced B(E2)=5.6(2)×10−4 W.u. can be well explained by the significant difference between the prolate parent and spherical daughter configurations, leading to the shape isomerism. The excitation energy of the isomer is surprisingly low, being roughly half of the excitation energies of the known 0$^{+}$ intruder bandheads in the neighboring $^{186,188}$Pb isotopes. The combined results of the present work and the previous α-decay and laser spectroscopy studies present evidence for triple shape coexistence at low energy in the negative-parity configurations of $^{187}$Pb, which is well reproduced by the potential-energy surface calculations.

Published
2023

41. Experiments with Stored Highly Charged Ions at the Border between Atomic and Nuclear Physics

Author

Gao, B.S., Najafi, M.A., Atanasov, D.R., Blaum, K., Bosch, F., Brandau, C., Chen, X.C., Dillmann, I., Dimopoulou, Ch., Faestermann, Th., Hillenbrand, P.-M., Geissel, H., Gernhäuser, R., Kozhuharov, C., Kovalenko, O., Litvinov, S.A., Litvinov, Yu.A., Maier, L., Nolden, F., Piotrowski, J., Sanjari, M.S., Spillmann, U., Steck, M., Stöhlker, Th., Trageser, Ch., Tu, X.L., Weick, H., Winckler, N., Xu, H.S., Yamaguchi, T., Yan, X.L., Zhang, Y.H., and Zhou, X.H.

Published
2015
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42. α decay of the new isotope 204Ac

Author

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

Published
2022
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43. Decay of the new Isotope Ac

Author

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

Abstract

A new proton-unbound isotope $^{204}$Ac was produced in the fusion-evaporation reaction Tm(40169Ca,5n)204Ac and identified via the recoil-α correlation at the gas-filled recoiled separators SHANS2 and SHANS. The excitation function for producing $^{204}$Ac was measured and the optimal beam energy was evaluated to be 212 MeV. Nineteen ER - α1 - α2 - α3 decay chains were observed for this isotope. Based on these chains, the α-particle energy and half-life of $^{204}$Ac were determined to be 7948(15) keV and 7.4−1.4+2.2 ms, respectively. Both are consistent with the theoretical prediction. The reduced α-decay width was deduced to be 49−15+10 keV, which indicates a favored α decay for $^{204}$Ac. In addition, more precise decay properties of Eα = 7883(15) keV and T1/2 = 7.7−1.6+2.7 ms were obtained for $^{205}$Ac.

Published
2022

44. First observation of the decay of the 13/2+ isomer in 183Hg and B(M2) systematics of neutron transitions across the nuclear chart

Author

Huang, H., Zhang, W.Q., Andreyev, A.N., Liu, Z., Seweryniak, D., Li, Z.H., Guo, C.Y., Barzakh, A.E., Duppen, P. Van, Andel, B., Antalic, S., Block, M., Bronis, A., Carpenter, M.P., Copp, P., Cubiss, J.G., Ding, B., Doherty, D.T., Favier, Z., Giacoppo, F., Huang, T.H., Kindler, B., Kondev, F.G., Lauritsen, T., Li, J.G., Li, G.S., Lommel, B., Lu, H.Y., Monthery, M. Al, Mošať, P., Niu, Y.F., Raison, C., Reviol, W., Savard, G., Stolze, S., Wilson, G.L., Wu, H.Y., Wang, Z.H., Xu, F.R., Zeng, Q.B., Yu, X.H., Zeng, F.F., and Zhou, X.H.

Subjects
Nuclear and High Energy Physics, Science & Technology, SPECTROSCOPY, IDENTIFICATION, Isomeric decay, Physics, ALPHA-DECAY, Astronomy & Astrophysics, Physics, Particles & Fields, Physics, Nuclear, STATES, SHAPE COEXISTENCE, MOMENTS, Physical Sciences, Shape isomer, B(M2), ddc:530, BETA-DECAY, BANDS, RADII, ODD-A
Abstract

Physics letters / B 833, 137345 (2022). doi:10.1016/j.physletb.2022.137345, Published by North-Holland Publ., Amsterdam

Published
2022

46. Time-of-flight detectors with improved timing performance for isochronous mass measurements at the CSRe

Author

Zhang, W., Tu, X.L., Wang, M., Zhang, Y.H., Xu, H.S., Litvinov, Yu. A., Blaum, K., Chen, R.J., Chen, X.C., Fu, C.Y., Ge, Z., Gao, B.S., Hu, Z.G., Huang, W.J., Litvinov, S.A., Liu, D.W., Ma, X.W., Mao, R.S., Mei, B., Shuai, P., Sun, B.H., Xia, J.W., Xiao, G.Q., Xing, Y.M., Xu, X., Yamaguchi, T., Yan, X.L., Yang, J.C., Yuan, Y.J., Zeng, Q., Zhang, X.Y., Zhao, H.W., Zhao, T.C., and Zhou, X.H.

Published
2014
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49. High Intensity heavy ion Accelerator Facility (HIAF) in China

Author

Yang, J.C., Xia, J.W., Xiao, G.Q., Xu, H.S., Zhao, H.W., Zhou, X.H., Ma, X.W., He, Y., Ma, L.Z., Gao, D.Q., Meng, J., Xu, Z., Mao, R.S., Zhang, W., Wang, Y.Y., Sun, L.T., Yuan, Y.J., Yuan, P., Zhan, W.L., Shi, J., Chai, W.P., Yin, D.Y., Li, P., Li, J., Mao, L.J., Zhang, J.Q., and Sheng, L.N.

Published
2013
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