Abstract
Differential cross sections [Formula Presented] and analyzing powers [Formula Presented] have been measured for neutron scattering from [Formula Presented] and [Formula Presented] at [Formula Presented] at the Triangle Universities Nuclear Laboratory using standard time-of-flight techniques. In addition, [Formula Presented] was measured for [Formula Presented] at 10, 12, 14, 17, and [Formula Presented]. Two large databases covering the energy range from 0.1 to [Formula Presented] were formed for these nuclei from this new data and previously published data, including that for the total cross section [Formula Presented]. These sets of data were analyzed using spherical dispersive optical-model (DOM) potentials, as well as coupled-channels model (CCM) potentials. The [Formula Presented] DOM gives good agreement with the [Formula Presented] data, except in the region of the first minimum. It also gives a reasonable description of our [Formula Presented] measurement. The [Formula Presented] DOM gives good agreement with the data, except for [Formula Presented] at backward angles below [Formula Presented] and for [Formula Presented], for which there is up to [Formula Presented] disagreement in the [Formula Presented] range. Compared to the DOM, the [Formula Presented] CCM calculations give improved agreement with the [Formula Presented] data, especially at the first minimum. The [Formula Presented] calculations agree with the data to within about [Formula Presented] above [Formula Presented]. The three-level CCM calculations for [Formula Presented] give excellent agreement with the entire database.
| Original language | English (US) |
|---|---|
| Number of pages | 1 |
| Journal | Physical Review C - Nuclear Physics |
| Volume | 68 |
| Issue number | 4 |
| DOIs | |
| State | Published - Jan 1 2003 |
Fingerprint
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
Cite this
}
Dispersive optical-model and coupled-channels descriptions of neutron scattering from [Formula Presented] and [Formula Presented] up to [Formula Presented]. / Nagadi, M. M.; Howell, C. R.; Tornow, W.; Weisel, Gary; Al-Ohali, M. A.; Braun, R. T.; Setze, H. R.; Chen, Zemin; Walter, R. L.; Delaroche, J. P.; Romain, P.
In: Physical Review C - Nuclear Physics, Vol. 68, No. 4, 01.01.2003.Research output: Contribution to journal › Article
TY - JOUR
T1 - Dispersive optical-model and coupled-channels descriptions of neutron scattering from [Formula Presented] and [Formula Presented] up to [Formula Presented]
AU - Nagadi, M. M.
AU - Howell, C. R.
AU - Tornow, W.
AU - Weisel, Gary
AU - Al-Ohali, M. A.
AU - Braun, R. T.
AU - Setze, H. R.
AU - Chen, Zemin
AU - Walter, R. L.
AU - Delaroche, J. P.
AU - Romain, P.
PY - 2003/1/1
Y1 - 2003/1/1
N2 - Differential cross sections [Formula Presented] and analyzing powers [Formula Presented] have been measured for neutron scattering from [Formula Presented] and [Formula Presented] at [Formula Presented] at the Triangle Universities Nuclear Laboratory using standard time-of-flight techniques. In addition, [Formula Presented] was measured for [Formula Presented] at 10, 12, 14, 17, and [Formula Presented]. Two large databases covering the energy range from 0.1 to [Formula Presented] were formed for these nuclei from this new data and previously published data, including that for the total cross section [Formula Presented]. These sets of data were analyzed using spherical dispersive optical-model (DOM) potentials, as well as coupled-channels model (CCM) potentials. The [Formula Presented] DOM gives good agreement with the [Formula Presented] data, except in the region of the first minimum. It also gives a reasonable description of our [Formula Presented] measurement. The [Formula Presented] DOM gives good agreement with the data, except for [Formula Presented] at backward angles below [Formula Presented] and for [Formula Presented], for which there is up to [Formula Presented] disagreement in the [Formula Presented] range. Compared to the DOM, the [Formula Presented] CCM calculations give improved agreement with the [Formula Presented] data, especially at the first minimum. The [Formula Presented] calculations agree with the data to within about [Formula Presented] above [Formula Presented]. The three-level CCM calculations for [Formula Presented] give excellent agreement with the entire database.
AB - Differential cross sections [Formula Presented] and analyzing powers [Formula Presented] have been measured for neutron scattering from [Formula Presented] and [Formula Presented] at [Formula Presented] at the Triangle Universities Nuclear Laboratory using standard time-of-flight techniques. In addition, [Formula Presented] was measured for [Formula Presented] at 10, 12, 14, 17, and [Formula Presented]. Two large databases covering the energy range from 0.1 to [Formula Presented] were formed for these nuclei from this new data and previously published data, including that for the total cross section [Formula Presented]. These sets of data were analyzed using spherical dispersive optical-model (DOM) potentials, as well as coupled-channels model (CCM) potentials. The [Formula Presented] DOM gives good agreement with the [Formula Presented] data, except in the region of the first minimum. It also gives a reasonable description of our [Formula Presented] measurement. The [Formula Presented] DOM gives good agreement with the data, except for [Formula Presented] at backward angles below [Formula Presented] and for [Formula Presented], for which there is up to [Formula Presented] disagreement in the [Formula Presented] range. Compared to the DOM, the [Formula Presented] CCM calculations give improved agreement with the [Formula Presented] data, especially at the first minimum. The [Formula Presented] calculations agree with the data to within about [Formula Presented] above [Formula Presented]. The three-level CCM calculations for [Formula Presented] give excellent agreement with the entire database.
UR - http://www.scopus.com/inward/record.url?scp=85035273901&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85035273901&partnerID=8YFLogxK
U2 - 10.1103/PhysRevC.68.044610
DO - 10.1103/PhysRevC.68.044610
M3 - Article
VL - 68
JO - Physical Review C - Nuclear Physics
JF - Physical Review C - Nuclear Physics
SN - 0556-2813
IS - 4
ER -