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Differential cross sections measurement for the pp to d pi /sup +/ reaction |
Author
Betigeri M. Bojowald J. Budzanowski A. Chatterjee A. Ernst J. Freindl L. Frekers D. Garske W. Grewer K. Hamacher A. Ilieva J. Jarczyk L. Kilian K. Kliczewski S. Klimala W. Kolev D. Kutsarova T. Lieb
J. Machner H. Magiera A. Nann H. Pentchev L. Protic D. Razen B. von Rossen P. Roy BJ. Siudak R. Strzalkowski A. Tsenov R. Zwoll K.
Institution
Inst. fur Kernphys., Julich, Germany.
Title
Differential cross sections measurement for the pp to d pi /sup +/ reaction
at 850 MeV/c.
Source
Physical Review C-Nuclear Physics, vol.63, no.4, April 2001, pp.044011/1-5.
Publisher: APS through AIP, USA.
Abstract
A stack of annular detectors made of high purity germanium and a magnet spectrograph were used to measure pp to d pi /sup +/ differential cross sections at a beam momentum of 850 MeV/c over a large
ngular range. A total cross section of sigma =0.2301+or-0.0036(stat)+or-0.0230(syst) mb and an anisotropy A/sub 2//A/sub 0/=0.856+or-0.016 were deduced. These values follow fits to low energy data.
rom the present A/sub 2/ value it is found that the pionic p-wave amplitude a/sub 0/ is larger than assumed so far. (19 References).
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Timo Kellmann
automatically created: July 2001
