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20 April 2024

» arxiv » nucl-ex/0011019

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Simultaneous Measurements of the $p+d o (A=3) +pi$ Reactions
M. Betigeri ; J. Bojowald ; A. Budzanowski ; A . Chatterjee ; J. Ernst ; L. Freindl ; D. Frekers ; W. Garske ; K. Grewer ; A. Hamacher ; J. Ilieva ; L. Jarczyk ; K. Kilian ; S. Kliczewski ; W. Klimala ; D. Kolev ; T. Kutsarova ; J. Lieb ; H. Machner ; A. Magiera ; H. Nann ; L. Pentchev ; H. S. Plendl ; D. Protic ; B. Razen ; P. von Rossen ; B. J. Roy ; R. Siudak ; A. Strzalkowski ; R. Tsenov ; K. Zwoll ;
Date:	23 Nov 2000
Journal:	Nucl.Phys. A690 (2001) 473-493
Subject:	nucl-ex
Abstract:	A stack of annular detectors made of high purity germanium was used to measure simultaneously $pd o {^3H} pi^+$ and $pd o {^3He} pi^0$ differential cross sections at beam momenta of 750 MeV/c, 800 MeV/c, and 850 MeV/c over a large angular range. The extracted total cross sections for the $pd o {^3He} pi^0$ reactions bridge a gap between near threshold data and those in the resonance region. The ratio of the cross sections for the two reaction channels taken at the same $eta={p^{cm}_pi}/m_pi$ yields $2.11pm0.08$ indicating that a deviation from isospin symmetry is very small.
Source:	arXiv, nucl-ex/0011019
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