The resonance structure of ΛΛ-spectrum with spin 0 and 1 in π−p interactions at 40 GeV

✍ Scribed by B.V Bolonkin; V.V Vladimirsky; V.K Grigoriev; A.P Grishin; O.N Erofeeva; Yu.V Katinov; I.Ya Korolkov; V.I Lisin; V.N Luzin; V.N Nozdrachev; V.V Sokolovsky; G.D Tikhomirov; Yu.P Shkurenko; S.A Uzunian

• Publisher: Elsevier Science
• Year: 2000
• Tongue: English
• Weight: 168 KB
• Volume: 675
• Category: Article
• ISSN: 0375-9474
• DOI: 10.1016/s0375-9474(00)00273-6

✦ Synopsis

AA effective mass distributions of 2300 events from reaction 7r-p --* AAn at 40 GeV measured at 6-meter spectrometer ITEP are presented. Bumps near 2.3, 2.5 and 2.8 GeV/c 2 are clearly seen. Singlet state dominates at 2.3 GeV/c 2, while state at 2.8 GeV/c 2 is mainly triplet.