Study of spin effects in neutron-proton interactions at intermediate energies at PSI

被引:0
作者
Arnold, J [1 ]
van den Brandt, B
Daum, M
Demierre, P
Drevenak, R
Finger, M
Finger, M
Franz, J
Goujon-Naef, N
Hajdas, W
Hautle, P
Hess, R
Janata, A
Königsmann, K
Konter, JA
Lacker, H
Lechanoine-Leluc, C
Lehar, F
Mango, S
Rapin, D
Rössle, E
Schmelzbach, PA
Schmitt, H
Sereni, P
Slunecka, M
Teglia, A
Todenhagen, R
机构
[1] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany
[2] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[3] Univ Geneva, DPNC, CH-1211 Geneva, Switzerland
[4] Joint Inst Nucl Res Dubna, Lab Nucl Problems, RU-141980 Dubna, Russia
[5] Charles Univ, Fac Math & Phys, CZ-18000 Prague, Czech Republic
[6] CEA Saclay, SPP, DAPNIA, F-91191 Gif Sur Yvette, France
[7] Nucl Res Inst, CZ-25068 Rez, Czech Republic
关键词
D O I
10.1007/s10582-999-0080-x
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An intensive program of n-p measurement of spin observables in elastic and pion production reactions has been performed at the Paul Scherrer Institute taking advantage of the high intensity polarized neutron beam. In the elastic reaction 16 different spin observables have been measured for kinetic energies from 210 to 590 MeV with the centre of mass angular range from 60 to 180 degrees. This will allow to perform direct reconstruction in the model independent way of the isospin 1=0 scattering amplitudes in elastic NN interaction. Three body final state process (n) over right arrow p - pp pi(-) with polarized neutrons in exclusive experiment has been investigated.
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页码:17 / 21
页数:5
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