Study of (n)over-bar-p annihilation in two mesons in the momentum range between 50 to 400 MeV/c with OBELIX
- Bertin A
- Bruschi M
- Capponi M
- Collamati A
- DeCastro S
- Dona R
- Ferretti A
- Filippi L
- Galli D
- Giacobbe B
- Marconi U
- Massa I
- Piccinini M
- Poli M
- SempriniCesari N
- Spighi R
- Vagnoni V
- Vecchi S
- Vezzani A
- Vigotti F
- Villa M
- Vitale A
- Zoccoli A
- Corradini M
- Donzella A
- Rizzini EL
- Venturelli L
- Zenoni A
- Cicalo C
- Masoni A
- Puddu G
- Serci S
- Temnikov P
- Usai G
- Gorchakov OE
- Prakhov SN
- Rozhdestvensky AM
- Sapozhnikov MG
- Tretyak VI
- Gianotti P
- Guaraldo C
- Lanaro A
- Lucherini V
- Nichitiu F
- Petrascu C
- Rosca A
- Ableev VG
- Cavion C
- Gastaldi U
- Lombardi M
- Maron G
- Vannucci L
- Vedovato G
- Bendiscioli G
- Filippini V
- Fontana A
- Montagna P
- Rotondi A
- Saino A
- Salvini P
- Scoglio C
- Agnello M
- Balestra F
- Botta E
- Bressani T
- Bussa MP
- Busso L
- Calvo D
- Cerello P
- Costa S
- Denisov O
- Fava L
- Feliciello A
- Ferrero L
- Filippi A
- Garfagnini R
- Grasso A
- Iazzi F
- Maggiora A
- Marcello S
- Minetti B
- Panzieri D
- Parena D
- Rossetto E
- Tosello F
- Valacca L
- Pauli G
- Tessaro S
- Santi L
- Kudryavtsev AE
DOIAbstract
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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