Measurement of {pi}{sup -}p{yields}{pi}{sup 0}n in the vicinity of the {eta} threshold

We report a new measurement of the differential cross section for {pi}{sup -}p{yields}{pi}{sup 0}n from p{sub {pi}}=649 to 752 MeV/c, which is around the opening of the {eta} channel (685 MeV/c). Our data support the main features of the {pi}{sup -}p charge-exchange differential cross sections gener...

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Veröffentlicht in:	Physical review. C, Nuclear physics Nuclear physics, 2005-07, Vol.72 (1)
Hauptverfasser:	Starostin, A., Prakhov, S., Nefkens, B.M.K., Clajus, M., Marusic, A., McDonald, S., Phaisangittisakul, N., Price, J.W., Tippens, W.B., Abaev, V.V., Bekrenev, V.S., Kozlenko, N.G., Kruglov, S.P., Kulbardis, A.A., Lopatin, I.V., Allgower, C.E., Spinka, H., Briscoe, W.J., Shafi, A., Comfort, J.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	CHARGE EXCHANGE EXCITATION FUNCTIONS MEV RANGE NEUTRONS PARTIAL WAVES PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PION MINUS REACTIONS PION-PROTON INTERACTIONS PIONS NEUTRAL
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Zusammenfassung:	We report a new measurement of the differential cross section for {pi}{sup -}p{yields}{pi}{sup 0}n from p{sub {pi}}=649 to 752 MeV/c, which is around the opening of the {eta} channel (685 MeV/c). Our data support the main features of the {pi}{sup -}p charge-exchange differential cross sections generated by the SAID {pi}N partial-wave analysis. The opening of the {eta} channel has a clear effect on the shape of the excitation function for d{sigma}({pi}{sup -}p{yields}{pi}{sup 0}n), which is most noticeable in the backward direction.
ISSN:	0556-2813 1089-490X
DOI:	10.1103/PhysRevC.72.015205