β-Decay half-lives of very neutron-rich Kr to Tc isotopes on the boundary of the r-process path: An indication of fast r-matter flow
Tools
Tools
Tools
Nishimura, S, Li, Z, Watanabe, H, Yoshinaga, K, Sumikama, T, Tachibana, T, Yamaguchi, K, Kurata-Nishimura, M, Lorusso, G, Miyashita, Y, Odahara, A, Baba, H, Berryman, JS, Blasi, N, Bracco, A, Camera, F, Chiba, J, Doornenbal, P, Go, S, Hashimoto, T, Hayakawa, S, Hinke, C, Ideguchi, E, Isobe, T, Ito, Y, Jenkins, DG, Kawada, Y, Kobayashi, N, Kondo, Y, Krücken, R, Kubono, S, Nakano, T, Ong, HJ, Ota, S, Podolyák, Z, Sakurai, H, Scheit, H, Steiger, K, Steppenbeck, D, Sugimoto, K, Takano, S, Takashima, A, Tajiri, K, Teranishi, T, Wakabayashi, Y, Walker, PM, Wieland, O and Yamaguchi, H (2011) β-Decay half-lives of very neutron-rich Kr to Tc isotopes on the boundary of the r-process path: An indication of fast r-matter flow Physical Review Letters, 106 (5). - - -. ISSN 0031-9007
![[img]](/style/images/fileicons/application_pdf.png)
| PDF - Accepted Version Available under License : See the attached licence file. 279Kb | |
![[img]](/style/images/fileicons/text_plain.png) | Plain Text (licence) 1516b |
Official URL: http://dx.doi.org/10.1103/PhysRevLett.106.052502
Abstract
The beta-decay half-lives of 38 neutron-rich isotopes from Kr-36 to Tc-43 have been measured; the half-lives of Kr-100, Sr103-105, Y106-108, Zr108-110, Nb-111,Nb-112, Mo112-115, and Tc-116,Tc-117 are reported here. The results when compared with previous standard models indicate an overestimation in the predicted half-lives by a factor of 2 or more in the A approximate to 110 region. A revised model based on the second generation gross theory of beta decay better predicts the measured half-lives and suggests a more rapid flow of the rapid neutron-capture process (r-matter flow) through this region than previously predicted.
| Item Type: | Article |
|---|---|
| Divisions: | Faculty of Engineering and Physical Sciences > Physics |
| ID Code: | 7141 |
| Deposited By: | Symplectic Elements |
| Deposited On: | 22 Sep 2011 12:15 |
| Last Modified: | 13 Jun 2013 02:35 |
Document Downloads
Repository Staff Only: item control page