Reaction cross sections in Si of light proton-halo candidates N-12 and Ne-17
- Warner, RE
- Thirumurthy, H
- Woodroffe, J
- Becchetti, FD
- Brown, JA
- Davids, BS
- Galonsky, A
- Kolata, JJ
- Kruse, JJ
- Lee, MY
- Nadasen, A
- O'Donnell, TW
- Roberts, DA
- Ronningen, RM
- Samanta, C
- Schwandt, P
- von Schwarzenberg, J
- Steiner, M
- Subotić, Krunoslav M.
- Wang, Jiansong
- Zimmerman, JA
Publication date
January 1998
DOI Publisher
Elsevier BV Journal
Nuclear Physics AAbstract
Total reaction cross sections, sigma(R), on Si were measured near 40 A MeV for the proton-halo candidate N-12 and the two-proton-halo candidate Ne-17, and were compared with sigma(R) for other light proton-rich nuclei. The A-dependence shows enhanced sigma(R)s for N-12 and Ne-17, relative to their neighbors, but the effect is smaller than for B-8 which has been argued to have a proton halo. In general, nuclei with loosely bound last protons (S-p less than or equal to 1.5 MeV) have significantly larger sigma(R)S than their neighbors. Cross sections for charge-removal from N-12 and Ne-17 also were obtained. (C) 1998 Elsevier Science B.V
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