Total reaction and 2n-removal cross sections of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 on Si
Само за регистроване кориснике
1996
Аутори
Warner, Robert E.Patty, RA
Voyles, PM
Nadasen, A
Becchetti, FD
Brown, James
Esbensen, H
Galonsky, A
Kolata, JJ
Kruse, J
Lee, MY
Ronningen, RM
Schwandt, P
vonSchwarzenberg, J
Sherrill, BM
Subotić, Krunoslav M.
Wang, Jiansong
Zecher, P
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Total reaction cross sections, sigma R, of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 were measured by injecting magnetically separated, focused, monoenergetic, identified secondary beams of those projectiles into a Si detector telescope and measuring their energy-deposition spectra. These sigma(R)s accurate to about 3%, were compared with predictions of optical, strong absorption, and microscopic models. The latter gave the best overall fit to the data, providing long-tailed matter densities were assumed. The best available optical potentials generally overpredicted the data by about 10%. Strong absorption calculations, in which the isospin-dependant term is quite important, were often unsuccessful, especially for projectiles with large neutron excess. Two-neutron removal cross sections were measured for He-6 and Li-11; the Li-11 data were slightly overpredicted by a microscopic model which includes correlation effects for the Li-11 valence neutrons. Both 2n and 4n removal fro...m He-8 were observed, in about a 2:1 ratio. Subtraction analysis of the data indicates that He-4 is a good core within He-6 and He-8, as is Li-9 within Li-11.
Извор:
Physical Review C, 1996, 54, 4, 1700-1709Финансирање / пројекти:
- National Science Foundation [under basic research GrantPHY-9314783 (IUCF), 9402761 (ND), 9214992 (NSCL), 9122067 and 9423659 (Oberlin), 9312428 (UM-Dearborn), and 9208468 and 9512104 (UM-Ann Arbor), and REU Grants PHY-9300011 (ND) and 9424140 (MSU)]
- Department of Energy [Contract W-31-109-ENG-38 to Argonne National Laboratory]
DOI: 10.1103/PhysRevC.54.1700
ISSN: 2469-9985; 2469-9993
WoS: A1996VM26900025
Scopus: 2-s2.0-0030523881
Колекције
Институција/група
VinčaTY - JOUR AU - Warner, Robert E. AU - Patty, RA AU - Voyles, PM AU - Nadasen, A AU - Becchetti, FD AU - Brown, James AU - Esbensen, H AU - Galonsky, A AU - Kolata, JJ AU - Kruse, J AU - Lee, MY AU - Ronningen, RM AU - Schwandt, P AU - vonSchwarzenberg, J AU - Sherrill, BM AU - Subotić, Krunoslav M. AU - Wang, Jiansong AU - Zecher, P PY - 1996 UR - https://vinar.vin.bg.ac.rs/handle/123456789/2016 AB - Total reaction cross sections, sigma R, of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 were measured by injecting magnetically separated, focused, monoenergetic, identified secondary beams of those projectiles into a Si detector telescope and measuring their energy-deposition spectra. These sigma(R)s accurate to about 3%, were compared with predictions of optical, strong absorption, and microscopic models. The latter gave the best overall fit to the data, providing long-tailed matter densities were assumed. The best available optical potentials generally overpredicted the data by about 10%. Strong absorption calculations, in which the isospin-dependant term is quite important, were often unsuccessful, especially for projectiles with large neutron excess. Two-neutron removal cross sections were measured for He-6 and Li-11; the Li-11 data were slightly overpredicted by a microscopic model which includes correlation effects for the Li-11 valence neutrons. Both 2n and 4n removal from He-8 were observed, in about a 2:1 ratio. Subtraction analysis of the data indicates that He-4 is a good core within He-6 and He-8, as is Li-9 within Li-11. T2 - Physical Review C T1 - Total reaction and 2n-removal cross sections of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 on Si VL - 54 IS - 4 SP - 1700 EP - 1709 DO - 10.1103/PhysRevC.54.1700 ER -
@article{ author = "Warner, Robert E. and Patty, RA and Voyles, PM and Nadasen, A and Becchetti, FD and Brown, James and Esbensen, H and Galonsky, A and Kolata, JJ and Kruse, J and Lee, MY and Ronningen, RM and Schwandt, P and vonSchwarzenberg, J and Sherrill, BM and Subotić, Krunoslav M. and Wang, Jiansong and Zecher, P", year = "1996", abstract = "Total reaction cross sections, sigma R, of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 were measured by injecting magnetically separated, focused, monoenergetic, identified secondary beams of those projectiles into a Si detector telescope and measuring their energy-deposition spectra. These sigma(R)s accurate to about 3%, were compared with predictions of optical, strong absorption, and microscopic models. The latter gave the best overall fit to the data, providing long-tailed matter densities were assumed. The best available optical potentials generally overpredicted the data by about 10%. Strong absorption calculations, in which the isospin-dependant term is quite important, were often unsuccessful, especially for projectiles with large neutron excess. Two-neutron removal cross sections were measured for He-6 and Li-11; the Li-11 data were slightly overpredicted by a microscopic model which includes correlation effects for the Li-11 valence neutrons. Both 2n and 4n removal from He-8 were observed, in about a 2:1 ratio. Subtraction analysis of the data indicates that He-4 is a good core within He-6 and He-8, as is Li-9 within Li-11.", journal = "Physical Review C", title = "Total reaction and 2n-removal cross sections of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 on Si", volume = "54", number = "4", pages = "1700-1709", doi = "10.1103/PhysRevC.54.1700" }
Warner, R. E., Patty, R., Voyles, P., Nadasen, A., Becchetti, F., Brown, J., Esbensen, H., Galonsky, A., Kolata, J., Kruse, J., Lee, M., Ronningen, R., Schwandt, P., vonSchwarzenberg, J., Sherrill, B., Subotić, K. M., Wang, J.,& Zecher, P.. (1996). Total reaction and 2n-removal cross sections of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 on Si. in Physical Review C, 54(4), 1700-1709. https://doi.org/10.1103/PhysRevC.54.1700
Warner RE, Patty R, Voyles P, Nadasen A, Becchetti F, Brown J, Esbensen H, Galonsky A, Kolata J, Kruse J, Lee M, Ronningen R, Schwandt P, vonSchwarzenberg J, Sherrill B, Subotić KM, Wang J, Zecher P. Total reaction and 2n-removal cross sections of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 on Si. in Physical Review C. 1996;54(4):1700-1709. doi:10.1103/PhysRevC.54.1700 .
Warner, Robert E., Patty, RA, Voyles, PM, Nadasen, A, Becchetti, FD, Brown, James, Esbensen, H, Galonsky, A, Kolata, JJ, Kruse, J, Lee, MY, Ronningen, RM, Schwandt, P, vonSchwarzenberg, J, Sherrill, BM, Subotić, Krunoslav M., Wang, Jiansong, Zecher, P, "Total reaction and 2n-removal cross sections of 20-60A MeV He-4,He-6,He-8, Li-6-9,Li-11, and Be-10 on Si" in Physical Review C, 54, no. 4 (1996):1700-1709, https://doi.org/10.1103/PhysRevC.54.1700 . .