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Your search keyword '"Gao, Bing-Shui"' showing total 8 results
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8 results on '"Gao, Bing-Shui"'

2. The stellar beta-decay rate of 134Cs and its impact on the Barium nucleosynthesis in the s process

Author

Li, Kuo-Ang, Qi, Chong, Lugaro, Maria, López, Andrés Yagüe, Karakas, Amanda I., Hartogh, Jacqueline den, Gao, Bing-Shui, and Tang, Xiao-Dong

Subjects
Astrophysics - Solar and Stellar Astrophysics
Abstract

We have calculated the stellar $\beta$-decay rate of the important s-process branching point ${}^{134}$Cs based on the state of the art shell model calculations. At typical $s$-process temperatures ($T\sim$ 0.2-0.3 GK), our new rate is one order of magnitude lower than the widely-used rate from Takahashi and Yokoi (hereafter TY87). The impact on the nucleosynthesis in AGB stars is investigated with various masses and metallicities. Our new decay rate leads to an overall decrease in the ${}^{134}$Ba/${}^{136}$Ba ratio, and well explains the measured ratio in meteorities without introducing the $i$ process. We also derive the elapsed time from the last AGB nucleosynthetic event that polluted the early Solar System to be $>$28 Myr based on the ${}^{135}$Cs/${}^{133}$Cs ratio, which is consistent with the elapsed times derived from ${}^{107}$Pd and ${}^{182}$Hf. The $s$-process abundance sum of ${}^{135}$Ba and ${}^{135}$Cs is found to increase, resulting in a smaller $r$-process contribution of ${}^{135}$Ba in the Solar System., Comment: accepted for publication in Astrophysical Journal Letters, 2021

Published
2021
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3. High-spin level structure of the neutron-rich nucleus 91Y

Author

He, Xiao-Feng, Zhou, Xiao-Hong, Fang, Yong-De, Liu, Min-Liang, Zhang, Yu-Hu, Wang, Kai-Long, Wang, Jian-Guo, Guo, Song, Qiang, Yun-Hua, Zheng, Yong, Zhang, Ning-Tao, Li, Guang-Shun, Gao, Bing-Shui, Wu, Xiao-Guang, He, Chuang-Ye, and Zheng, Yun

Subjects
Nuclear Experiment
Abstract

High-spin level structure of the neutron-rich nucleus 91Y has been reinvestigated via the 82Se(13C, p3n)91Y reaction. A newly constructed level scheme including several key levels clarifies the uncertainties in the earlier studies. These levels are characterized by the breaking of the Z=38 and N=56 subshell closures, which involves in the spin-isospin dependent central force and tensor force.

Published
2015

7. New test of modulated electron capture decay of hydrogen-like ¹⁴²Pm ions: precision measurement of purely exponential decay

Author

FRS-ESR, ILIMA, SPARC, and TBWD Collaborations, Öztürk, Fatma Cagla, Akkuş, Baki, Atanasov, Dinko, Beyer, Heinrich F., Bosch, Fritz, Boutin, David, Brandau, Carsten, Bühler, Paul, Çakirli Mutlu, Rabia Burcu, Chen, Ruijiu, Chen, Weidong, Chen, Xiangcheng, Dillmann, Iris, Dimopoulou, Christina, Enders, Wolfgang, Essel, Hans G., Faestermann, Thomas, Forstner, Oliver, Gao, Bing-Shui, Geissel, Hans, Gernhäuser, Roman, Grisenti, Robert Evaristo, Gumberidze, Alexandre, Hagmann, Siegbert, Heftrich, Tanja, Heil, Michael, Herdrich, Marc Oliver, Hillenbrand, Pierre-Michel, Izumikawa, Takuji, Kienle, Paul, Klaushofer, Christoph, Kleffner, Carl-Michael, Kozhuharov, Christophor, Knöbel, Ronja, Kovalenko, Oleksandr, Kreim, Susanne, Kühl, Thomas, Lederer-Woods, Claudia, Lestinsky, Michael, Litvinov, Sergey A., Litvinov, Yuri A., Liu, Zhong, Ma, Xinwen, Maier, Ludwig W., Mei, Bo, Miura, Hiroshi, Mukha, Ivan, Najafi, Mohammad Ali, Nagae, Daisuke, Nishimura, Takuro, Nociforo, Chiara, Nolden, Fritz, Ohtsubo, Takashi, Öktem, Yeşim, Omika, Shunichiro, Ozawa, Akira, Petridis, Nikolaos, Piotrowski, Jeremi, Reifarth, René, Roßbach, Jörg, Sánchez Alarcón, Rodolfo Marcelo, Sanjari, Mohammad Shahab, Scheidenberger, Christoph, Sidhu, Ragandeep Singh, Simon, Haik, Spillmann, Uwe, Steck, Markus, Stöhlker, Thomas, Sun, Baohua, Susam, Lidya Amon, Suzaki, Fumi, Suzuki, Takeshi, Torilov, Sergey Yu., Trageser, Christian, Trassinelli, Martino, Trotsenko, Sergiy, Tu, Xiaolin, Walker, Philip M., Wang, M., Weber, Günter, Weick, Helmut, Winckler, Nicolas, Winters, Danyal Ferdinant Alexander, Woods, Philip John, Yamaguchi, Takayuki, Xu, X.D., Yan, X.L., Yang, Jiancheng, Yuan, You-Jin, Zhang, Yuhu, Zhou, Xiaohong, FRS-ESR, ILIMA, SPARC, and TBWD Collaborations, Öztürk, Fatma Cagla, Akkuş, Baki, Atanasov, Dinko, Beyer, Heinrich F., Bosch, Fritz, Boutin, David, Brandau, Carsten, Bühler, Paul, Çakirli Mutlu, Rabia Burcu, Chen, Ruijiu, Chen, Weidong, Chen, Xiangcheng, Dillmann, Iris, Dimopoulou, Christina, Enders, Wolfgang, Essel, Hans G., Faestermann, Thomas, Forstner, Oliver, Gao, Bing-Shui, Geissel, Hans, Gernhäuser, Roman, Grisenti, Robert Evaristo, Gumberidze, Alexandre, Hagmann, Siegbert, Heftrich, Tanja, Heil, Michael, Herdrich, Marc Oliver, Hillenbrand, Pierre-Michel, Izumikawa, Takuji, Kienle, Paul, Klaushofer, Christoph, Kleffner, Carl-Michael, Kozhuharov, Christophor, Knöbel, Ronja, Kovalenko, Oleksandr, Kreim, Susanne, Kühl, Thomas, Lederer-Woods, Claudia, Lestinsky, Michael, Litvinov, Sergey A., Litvinov, Yuri A., Liu, Zhong, Ma, Xinwen, Maier, Ludwig W., Mei, Bo, Miura, Hiroshi, Mukha, Ivan, Najafi, Mohammad Ali, Nagae, Daisuke, Nishimura, Takuro, Nociforo, Chiara, Nolden, Fritz, Ohtsubo, Takashi, Öktem, Yeşim, Omika, Shunichiro, Ozawa, Akira, Petridis, Nikolaos, Piotrowski, Jeremi, Reifarth, René, Roßbach, Jörg, Sánchez Alarcón, Rodolfo Marcelo, Sanjari, Mohammad Shahab, Scheidenberger, Christoph, Sidhu, Ragandeep Singh, Simon, Haik, Spillmann, Uwe, Steck, Markus, Stöhlker, Thomas, Sun, Baohua, Susam, Lidya Amon, Suzaki, Fumi, Suzuki, Takeshi, Torilov, Sergey Yu., Trageser, Christian, Trassinelli, Martino, Trotsenko, Sergiy, Tu, Xiaolin, Walker, Philip M., Wang, M., Weber, Günter, Weick, Helmut, Winckler, Nicolas, Winters, Danyal Ferdinant Alexander, Woods, Philip John, Yamaguchi, Takayuki, Xu, X.D., Yan, X.L., Yang, Jiancheng, Yuan, You-Jin, Zhang, Yuhu, and Zhou, Xiaohong

Abstract

An experiment addressing electron capture (EC) decay of hydrogen-like 142Pm60+ions has been conducted at the experimental storage ring (ESR) at GSI. The decay appears to be purely exponential and no modulations were observed. Decay times for about 9000 individual EC decays have been measured by applying the single-ion decay spectroscopy method. Both visually and automatically analysed data can be described by a single exponential decay with decay constants of 0.0126(7)s−1 for automatic analysis and 0.0141(7)s−1 for manual analysis. If a modulation superimposed on the exponential decay curve is assumed, the best fit gives a modulation amplitude of merely 0.019(15), which is compatible with zero and by 4.9 standard deviations smaller than in the original observation which had an amplitude of 0.23(4).

Published
2019

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