PHOTOPRODUCTION OF pi- delta++ (1236) FROM HYDROGEN FROM 5-GeV TO 16-GeV
Nov, 1968
13 pages
Published in:
- Phys.Rev.Lett. 22 (1969) 148-151
Report number:
- SLAC-PUB-0507
Experiments:
- SLAC-E-010
View in:
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Abstract: (APS)
The cross section for γp→π−Δ++(1236), measured at 5, 8, 11, and 16 GeV from nearzero momentum transfer to -1 GeV2 (-2 GeV2 at 16 GeV), rises from small t to a maximum near −t=mπ2, then falls as e12t out to −t≈0.2 GeV2, after which it becomes roughly equal in slope and magnitude to the single π+ photoproduction cross section (e3t). At fixed t, the cross section varies as k−2, where k is the laboratory photon energy. The results do not agree well with the simple vector-dominance model.References(13)
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