We measured the in flight annihilation frequencies and cross sections of reactions (n) over bar p --> pi(+) pi(0), pi(+) eta and K+KS in the antineutron momentum range between 50 and 400 MeV/c. The annihilation frequencies of these channels from the different allowed initial states were calculated and some information about the (n) over bar p annihilation dynamics were obtained. The first determination of the D-wave contribution in this momentum range was also obtained. (C) 1997 Published by Elsevier Science B.V.
Study of (n)over-bar-p annihilation in two mesons in the momentum range between 50 to 400 MeV/c with OBELIX
PUDDU, GIOVANNA;USAI, GIANLUCA;
1997-01-01
Abstract
We measured the in flight annihilation frequencies and cross sections of reactions (n) over bar p --> pi(+) pi(0), pi(+) eta and K+KS in the antineutron momentum range between 50 and 400 MeV/c. The annihilation frequencies of these channels from the different allowed initial states were calculated and some information about the (n) over bar p annihilation dynamics were obtained. The first determination of the D-wave contribution in this momentum range was also obtained. (C) 1997 Published by Elsevier Science B.V.
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