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50 results on '"Xing, Y.M."'

4. 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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6. 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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7. 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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11. Experimental investigation of the transition energy [formula omitted] in the isochronous mode of the HIRFL-CSRe

Author

Ge, W.W., Yuan, Y.J., Yang, J.C., Chen, R.J., Yan, X.L., Du, H., Li, Z.S., Yang, J., Yin, D.Y., Mao, L.J., Li, X.N., Zheng, W.H., Shen, G.D., Wu, B., Ruan, S., Wang, G., Zhao, H., Wang, M., Sun, M.Z., Xing, Y.M., Zhang, P., Fu, C.Y., Shuai, P., Xu, X., Zhang, Y.H., Bao, T., Chen, X.C., Huang, W.J., Li, H.F., Liu, J.H., Litvinov, Yu.A., Litvinov, S., Zeng, Q., and Zhou, X.

Published
2018
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16. 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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21. Precision measurement of the transition energy γt versus magnetic rigidity for storage-ring isochronous mass spectrometry

Author

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

Published
2022
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26. Particle identification and revolution time corrections for the isochronous mass spectrometry in storage rings

Author

Xing, Y.M., primary, Zhang, Y.H., additional, Wang, M., additional, Litvinov, Yu.A., additional, Chen, R.J., additional, Chen, X.C., additional, Fu, C.Y., additional, Li, H.F., additional, Shuai, P., additional, Si, M., additional, Sun, M.Z., additional, Tu, X.L., additional, Wang, Q., additional, Xu, H.S., additional, Xu, X., additional, Yan, X.L., additional, Yang, J.C., additional, Yuan, Y.J., additional, Zeng, Q., additional, Zhang, P., additional, Zhang, M., additional, Zhou, X., additional, and Zhou, X.H., additional

Published
2019
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27. Approaching the Gamow window with stored ions: Direct measurement of $^{124}$Xe(p,$\gamma$) in the ESR storage ring

Author

GLORIUS, J., LANGER, C., SLAVKOVSKÁ, Z., BOTT, L., BRANDAU, C., BRÜCKNER, B., BLAUM, K., 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., LEDERER-WOODS, C., LESTINSKY, M., LITVINOV, S., LITVINOV, Yu.A., LÖHER, B., NOLDEN, F., PETRIDIS, N., POPP, U., RAUSCHER, T., REED, M., REIFARTH, R., SANJARI, M.S., SAVRAN, D., SIMON, H., SPILLMANN, U., STECK, M., STÖHLKER, T., STUMM, J., SURZHYKOV, A., SZÜCS, T., NGUYEN, T.T., ZADEH, A. Taremi, THOMAS, B., TORILOV, S.Yu., TÖRNQVIST, H., TRÄGER, M., TRAGESER, C., TROTSENKO, S., VARGA, L., VOLKNANDT, M., WEICK, H., WEIGAND, M., WOLF, C., WOODS, P.J., XING, Y.M., Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), and Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment, Nuclear Physics
Abstract

We report the first measurement of low-energy proton-capture cross sections of $^{124}$Xe in a heavy ion storage ring. $^{124}$Xe$^{54+}$ ions of five different beam energies between 5.5 AMeV and 8 AMeV were stored to collide with a windowless hydrogen target. The $^{125}$Cs reaction products were directly detected. The interaction energies are located on the high energy tail of the Gamow window for hot, explosive scenarios such as supernovae and X-ray binaries. The results serve as an important test of predicted astrophysical reaction rates in this mass range. Good agreement in the prediction of the astrophysically important proton width at low energy is found, with only a 30% difference between measurement and theory. Larger deviations are found above the neutron emission threshold, where also neutron- and ${\gamma}$-widths significantly impact the cross sections. The newly established experimental method is a very powerful tool to investigate nuclear reactions on rare ion beams at low center-of-mass energies.

Published
2019

29. Mass measurements of neutron-deficient Y, Zr, and Nb isotopes and their impact on rp and νp nucleosynthesis processes

Author

Xing, Y.M., Li, K.A., Zhang, Y.H., Zhou, X.H., Wang, M., Litvinov, Yu.A., Blaum, K., Wanajo, S., Kubono, S., Martínez-Pinedo, G., Sieverding, A., Chen, R.J., Shuai, P., Fu, C.Y., Yan, X.L., Huang, W.J., Xu, X., Tang, X.D., Xu, H.S., Bao, T., Chen, X.C., Gao, B.S., He, J.J., Lam, Y.H., Li, H.F., Liu, J.H., Ma, X.W., Mao, R.S., Si, M., Sun, M.Z., Tu, X.L., Wang, Q., Yang, J.C., Yuan, Y.J., Zeng, Q., Zhang, P., Zhou, X., Zhan, W.L., Litvinov, S., Audi, G., Uesaka, T., Yamaguchi, Y., Yamaguchi, T., Ozawa, A., Fröhlich, C., Rauscher, T., Thielemann, F.-K., Sun, B.H., Sun, Y., Dai, A.C., and Xu, F.R.

Published
2018
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31. Isochronous mass measurements of ${T}_{z}=-1\phantom{\rule{4pt}{0ex}}fp$-shell nuclei from projectile fragmentation of $^{58}\mathrm{Ni}$

Author

Zhang, Y.H., Zhang, P., Wang, M., Litvinov, Yu. A., Xu, H.S., Xu, X., Shuai, P., Lam, Y.H., Chen, R.J., Yan, X.L., Bao, T., Chen, X.C., Chen, H., Fu, C.Y., HE, J.J., Kubono, S., Liu, D.W., Mao, R.S., Ma, X.W., Sun, M.Z., Tu, X.L., Xing, Y.M., Zeng, Q., Zhou, X.H., Zhan, W.L., Litvinov, S., Blaum, K., Audi, G., Uesaka, T., Yamaguchi, Y., Yamaguchi, T., Ozawa, A., Sun, B.H., Sun, Y., Xu, F.R., Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)

Subjects
21.10.Dr, 27.40.+z, 2920db, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Abstract

International audience; Atomic masses of seven Tz=−1, fp-shell nuclei from V44 to Cu56 and two low-lying isomers, V44m (Jπ=6+) and Co52m (Jπ=2+), have been measured with relative precisions of 1–4×10−7 with isochronous mass spectrometry (IMS) at the Cooler Storage Ring (CSRe), Lanzhou. The masses of Cu56, Co52g,52m, and V44m were measured for the first time in this experiment. The mass excesses (ME"s) of V44, Mn48, Fe50, and Ni54 are determined with an order of magnitude improved precision compared to the literature values. Co52g,52m and Cu56 are found to be 370 and 400 keV more bound, respectively, while V44g,44m are ∼300 keV less bound than the extrapolations in the Atomic-Mass Evaluation 2012 (AME"12). The masses of the four Tz=−1/2 nuclei V45, Cr47, Mn49, and Fe51 are re-determined to be in agreement, within the experimental errors, with the recent JYFLTRAP (University of Jyväskylä, Finland) measurements or with the previous IMS measurements in CSRe. Details of the measurements and data analysis are described, and the impact of the new ME values on different aspects in nuclear structure are investigated and discussed.

Published
2018

32. Corrigendum to “A method to measure the transition energy γt of the isochronously tuned storage ring” [Nucl. Instrum. Methods Phys. Res. A 898 (2018) 111–116]

Author

Chen, R.J., primary, Yan, X.L., additional, Ge, W.W., additional, Yuan, Y.J., additional, Wang, M., additional, Sun, M.Z., additional, Xing, Y.M., additional, Zhang, P., additional, Fu, C.Y., additional, Shuai, P., additional, Xu, X., additional, Zhang, Y.H., additional, Bao, T., additional, Chen, X.C., additional, Hu, X.J., additional, Huang, W.J., additional, Li, H.F., additional, Liu, J.H., additional, Litvinov, Yu.A., additional, Litvinov, S.A., additional, Mao, L.J., additional, Wu, B., additional, Xu, H.S., additional, Yang, J.C., additional, Yin, D.Y., additional, Zeng, Q., additional, Zhang, X.H., additional, Zheng, W.H., additional, Zhou, X.H., additional, and Zhou, X., additional

Published
2019
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33. Experimental investigation of the transition energy γt in the isochronous mode of the HIRFL-CSRe

Author

Ge, W.W., primary, Yuan, Y.J., additional, Yang, J.C., additional, Chen, R.J., additional, Yan, X.L., additional, Du, H., additional, Li, Z.S., additional, Yang, J., additional, Yin, D.Y., additional, Mao, L.J., additional, Li, X.N., additional, Zheng, W.H., additional, Shen, G.D., additional, Wu, B., additional, Ruan, S., additional, Wang, G., additional, Zhao, H., additional, Wang, M., additional, Sun, M.Z., additional, Xing, Y.M., additional, Zhang, P., additional, Fu, C.Y., additional, Shuai, P., additional, Xu, X., additional, Zhang, Y.H., additional, Bao, T., additional, Chen, X.C., additional, Huang, W.J., additional, Li, H.F., additional, Liu, J.H., additional, Litvinov, Yu.A., additional, Litvinov, S., additional, Zeng, Q., additional, and Zhou, X., additional

Published
2018
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34. High-precision QEC values of superallowed 0+ → 0+β-emitters 46Cr, 50Fe and 54Ni

Author

Zhang, P., Xu, X., Shuai, P., Chen, R.J., Yan, X.L., Zhang, Y.H., Wang, M., Litvinov, Yu.A., Blaum, K., Xu, H.S., Bao, T., Chen, X.C., Chen, H., Fu, C.Y., He, J.J., Kubono, S., Lam, Y.H., Liu, D.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., Audi, G., Uesaka, T., Yamaguchi, Y., Yamaguchi, T., Ozawa, A., Sun, B.H., Sun, Y., and Xu, F.R.

Published
2017
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35. Half-life measurement of short-lived $^{94m}_{44}Ru^{44+}$ using isochronous mass spectrometry

Author

Zeng, Q., Wang, M., Zhang, Y.H., Tu, X.L., Chen, X.C., Xu, X., Litvinov, Yu. A., Xu, H.S., Blaum, K., Chen, R.J., Fu, C.Y., Ge, Z., Huang, W.J., Li, H.F., Liu, J.H., Mei, B., Shuai, P., Si, M., Sun, B.H., Sun, M.Z., Wang, Q., Xiao, G.Q., Xing, Y.M., Yamaguchi, T., Yan, X.L., Yang, J.C., Yuan, Y.J., Zang, Y.D., Zhang, P., Zhang, W., Zhou, X.H., Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)

Subjects
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Abstract

International audience; Decay of the 8+ isomer in fully stripped ions Ru44+94 is observed during its circulation in the experimental Cooler Storage Ring (CSRe) at the Heavy Ion Research Facility in Lanzhou (HIRFL). The Ru44+94 ions were produced via projectile fragmentation and stored in CSRe tuned into the isochronous ion-optical mode. The timing signals of the ions, passing through a time-of-flight detector, were consecutively registered and used to determine the variation of revolution time as a function of revolution number. A sudden change of the revolution time at a specific revolution was identified as a fingerprint of the Ru44+94 isomer decay. The isomeric half-life was deduced to be 102(17) μs, which agrees well with the theoretical expectation by blocking the internal conversion decay of the isomer. Our work proved the feasibility of studying decays of short-lived isomers in high atomic charge states using the isochronous mass spectrometry. In addition, Ru44+94m represents the shortest-lived nuclear state whose mass has ever been measured directly.

Published
2017

36. A method to measure the transition energy γt of the isochronously tuned storage ring

Author

Chen, R.J., primary, Yan, X.L., additional, Ge, W.W., additional, Yuan, Y.J., additional, Wang, M., additional, Sun, M.Z., additional, Xing, Y.M., additional, Zhang, P., additional, Fu, C.Y., additional, Shuai, P., additional, Xu, X., additional, Zhang, Y.H., additional, Bao, T., additional, Chen, X.C., additional, Hu, X.J., additional, Huang, W.J., additional, Li, H.F., additional, Liu, J.H., additional, Livinov, Yu.A., additional, Livinov, S.A., additional, Mao, L.J., additional, Wu, B., additional, Xu, H.S., additional, Yang, J.C., additional, Yin, D.Y., additional, Zeng, Q., additional, Zhang, X.H., additional, Zheng, W.H., additional, Zhou, X.H., additional, and Zhou, X., additional

Published
2018
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38. High-precision QEC values of superallowed 0+→ 0+ β-emitters 46Cr, 50Fe and 54Ni

Author

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

Published
2017
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39. Corrigendum to “A method to measure the transition energy [formula omitted] of the isochronously tuned storage ring” [Nucl. Instrum. Methods Phys. Res. A 898 (2018) 111–116]

Author

Chen, R.J., Yan, X.L., Ge, W.W., Yuan, Y.J., Wang, M., Sun, M.Z., Xing, Y.M., Zhang, P., Fu, C.Y., Shuai, P., Xu, X., Zhang, Y.H., Bao, T., Chen, X.C., Hu, X.J., Huang, W.J., Li, H.F., Liu, J.H., Litvinov, Yu.A., Litvinov, S.A., Mao, L.J., Wu, B., Xu, H.S., Yang, J.C., Yin, D.Y., Zeng, Q., Zhang, X.H., Zheng, W.H., Zhou, X.H., and Zhou, X.

Published
2019
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50. Experimental investigation of the transition energy [formula omitted] in the isochronous mode of the HIRFL-CSRe.

Author

Yuan, Y.J., Yang, J.C., Chen, R.J., Yan, X.L., Du, H., Yang, J., Yin, D.Y., Mao, L.J., Li, X.N., Zheng, W.H., Shen, G.D., Wang, M., Sun, M.Z., Xing, Y.M., Shuai, P., Xu, X., Zhang, Y.H., Bao, T., Zhou, X., and Ge, W.W.

Subjects
*MASS spectrometry, *MAGNETIC fields, *HEAVY ions, *VELOCITY, *TIME-of-flight measurements
Abstract

Abstract The Isochronous Mass Spectrometry (IMS) based on storage rings is a powerful technique for mass measurement of short-lived exotic nuclei. The transition energy γ t of the storage ring is a vital parameter of the IMS technique. It is difficult to measure the γ t and its relation to momentum spread or circulating length, especially to monitor the variation of γ t during experiments. An experimental investigation on the γ t has been performed for the IMS experiment at the Cooler Storage Ring of the Heavy Ion Research Facility in Lanzhou (HIRFL-CSRe). With the velocity measured by two time-of-flight (TOF) detectors, the γ t as a function of orbital length can be determined. The influences of higher order magnetic field components on the γ t function were inferred for isochronous correction. This paper introduces and investigates the influence of dipole magnetic fields, quadrupole magnetic fields and sextupole magnetic fields on the γ t function. With the quadrupole magnets and sextupole magnets corrections, a mass resolution of 171332 (FWHM) and σ (T) ∕ T = 1. 34 × 1 0 − 6 were reached, which shall be compared with 31319 (FWHM) and σ (T) ∕ T = 7. 35 × 1 0 − 6 obtained without correction. [ABSTRACT FROM AUTHOR]

Published
2018
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