Deep underground laboratory measurement of $^{13}$C($\alpha$,$n$)$^{16}$O in the Gamow windows of the $s$- and $i$-processes

Autor: Gao, B., Jiao, T. Y., Li, Y. T., Chen, H., Lin, W. P., An, Z., Ru, L. H., Zhang, Z. C., Tang, X. D., Wang, X. Y., Zhang, N. T., Fang, X., Xie, D. H., Fan, Y. H., Ma, L., Zhang, X., Bai, F., Wang, P., Fan, Y. X., Liu, G., Huang, H. X., Wu, Q., Zhu, Y. B., Chai, J. L., Li, J. Q., Sun, L. T., Wang, S., Cai, J. W., Li, Y. Z., Su, J., Zhang, H., Li, Z. H., Li, Y. J., Li, E. T., Chen, C., Shen, Y. P., Lian, G., Guo, B., Li, X. Y., Zhang, L. Y., He, J. J., Sheng, Y. D., Chen, Y. J., Wang, L. H., Zhang, L., Cao, F. Q., Nan, W., Nan, W. K., Li, G. X., Song, N., Cui, B. Q., Chen, L. H., Ma, R. G., Yan, S. Q., Liao, J. H., Wang, Y. B., Zeng, S., Nan, D., Fan, Q. W., 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., Kubono, S., Liu, W. P., deBoer, R. J., Wiescher, M., Pignatari, M.

Publikováno v: Physical Review Letters 129, 132701 (2022)

The $^{13}$C($\alpha$,$n$)$^{16}$O reaction is the main neutron source for the slow-neutron-capture (s-) process in Asymptotic Giant Branch stars and for the intermediate (i-) process. Direct measurements at astrophysical energies in above-ground lab

Externí odkaz: http://arxiv.org/abs/2210.03222

Advancement of Photospheric Radius Expansion and Clocked Type-I X-Ray Burst Models with the New $^{22}$Mg$(\alpha,p)^{25}$Al Reaction Rate Determined at Gamow Energy

Autor: Hu, J., Yamaguchi, H., Lam, Y. H., Heger, A., Kahl, D., Jacobs, A. M., Johnston, Z., Xu, S. W., Zhang, N. T., Ma, S. B., Ru, L. H., Liu, E. Q., Liu, T., Hayakawa, S., Yang, L., Shimizu, H., Hamill, C. B., Murphy, A. St J., Su, J., Fang, X., Chae, K. Y., Kwag, M. S., Cha, S. M., Duy, N. N., Uyen, N. K., Kim, D. H., Pizzone, R. G., La Cognata, M., Cherubini, S., Romano, S., Tumino, A., Liang, J., Psaltis, A., Sferrazza, M., Kim, D., Li, Y. Y., Kubono, S.

Publikováno v: Phys. Rev. Lett. 127 (2021) 172701

We report the first (in)elastic scattering measurement of $^{25}\mathrm{Al}+p$ with the capability to select and measure in a broad energy range the proton resonances in $^{26}$Si contributing to the $^{22}$Mg$(\alpha,p)$ reaction at type I x-ray bur

Externí odkaz: http://arxiv.org/abs/2108.04553

Fusion reactions in the $^9$Be + $^{197}$Au system above the Coulomb barrier

Autor: Li, G. S., Wang, J. G., Lubian, J., Soler, H. O., Fang, Y. D., Liu, M. L., Zhang, N. T., Zhou, X. H., Zhang, Y. H., Gao, B. S., Qiang, Y. H., Guo, S., Wang, S. C., Wang, K. L., Zheng, K. K., Li, R., Zheng, Y.

Publikováno v: Phys. Rev. C 100, 054601 (2019)

The cross sections of complete fusion and incomplete fusion for the $ ^{9} $Be + $ ^{197} $Au system, at energies not too much above the Coulomb barrier, were measured for the first time. The online activation followed by offline $\gamma$-ray spectro

Externí odkaz: http://arxiv.org/abs/1909.03221

A proposed direct measurement of cross section at Gamow window for key reaction $^{19}$F($p$,$\alpha$)$^{16}$O in Asymptotic Giant Branch stars with a planned accelerator in CJPL

Autor: He, J. J., Xu, S. W., Ma, S. B., Hu, J., Zhang, L. Y., Fu, C. B., Zhang, N. T., Lian, G., Su, J., Li, Y. J., Yan, S. Q., Shen, Y. P., Hou, S. Q., Jia, B. L., Zhang, T., Zhang, X. P., Guo, B., Kubono, S., Liu, W. P.

In 2014, the National Natural Science Foundation of China (NSFC) approved the Jinping Underground Nuclear Astrophysics laboratory (JUNA) project, which aims at direct cross-section measurements of four key stellar nuclear reactions right down to the

Externí odkaz: http://arxiv.org/abs/1605.07786

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