Published April 2, 1992
| Version v1
Journal article
Observation of f1(1285)→π+π-π+π- in radiative J/ψ decays
Creators
- Bolton, T.1
- Bunnell, K.O.1
- Cassell, R.E.1
- Coward, D.H.1
- Labs, J.1
- Odian, A.1
- Pitman, D.1
- Schindler, R.H.1
- Toki, W.1
- Brown, J.S.2
- Burnett, T.H.2
- Li, A.2
- Mir, R.2
- Mockett, P.M.2
- Parrish, L.2
- Willutzki, H.J.2
- Burchell, M.3
- Drinkard, J.3
- Gatto, C.3
- Heusch, C.A.3
- Lockman, W.S.3
- Sadrozinski, H.F.W.3
- Scarlatella, M.3
- Schalk, T.L.3
- Seiden, A.3
- Weinstein, A.J.3
- Xu, R.3
- Coffman, D.4
- DeJongh, F.4
- Dubois, G.P.4
- Eigen, G.4
- Hitlin, D.G.4
- Matthews, C.G.4
- Richman, J.D.4
- Wisniewski, W.J.4
- Zhu, Y.4
- Eisenstein, B.I.5
- Freese, T.5
- Gladding, G.5
- Izen, J.M.5
- Kim, P.C.5
- Stockdale, I.E.5
- Tripsas, B.5
- Mallik, U.6
- Wang, M.Z.6
- Mark III Collaboration
- 1. Stanford Linear Accelerator Centre, Stanford Univ., CA (United States)
- 2. Dept. of Physics, Univ. Washington, Seattle, WA (United States)
- 3. Santa Cruz Inst. for Particle Physics, Univ. California, CA (United States)
- 4. Dept. of Physics, California Inst. of Tech., Pasadena, CA (United States)
- 5. Dept. of Physics, Univ. of Illinois at Urbana-Champaign, Urbana, IL (United States)
- 6. Dept. of Physics, Univ. Iowa, Iowa City, IA (United States)
Description
We present an analysis of J/ψ→γf1(1285), f1(1285)→π+π-π+π-, using the Mark III detector at SPEAR, based on 5.8x106 produced J/ψ events. We measure B(J/ψ→γf1(1285), f1(1285)→π+π-π+π-)=(4.8±1.3±0.9)x10-5. We obtain a new measurement of the absolute branching ratio of J/ψ→γf1(1285). The mixing angle of the f1(1285) and the f1(1420) in the 1++ nonet is determined. (orig.)
Additional details
Publishing Information
- Journal Title
- Physics Letters. Section B
- Journal Volume
- 278
- Journal Issue
- 4
- Series
- Phys. Lett., Sect. B.
- Journal Page Range
- 495-498
- ISSN
- 0370-2693
- CODEN
- PYLBA
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 23055743
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANGULAR DISTRIBUTION; ANNIHILATION; BRANCHING RATIO; CONFIGURATION MIXING; EFFECTIVE MASS; ELECTRON-POSITRON INTERACTIONS; EXPERIMENTAL DATA; E1-TRANSITIONS; F1-1285 MESONS; F1-1420 MESONS; GEV RANGE 01-10; HADRONIC PARTICLE DECAY; J PSI-3097 MESONS; MASS SPECTRA; MESON NONETS; MIXING RATIO; PAIR PRODUCTION; PIONS MINUS; PIONS PLUS; RADIATIVE DECAY
- Descriptors DEC
- AXIAL VECTOR MESONS; BOSONS; CHARMONIUM; DATA; DECAY; DISTRIBUTION; ELEMENTARY PARTICLES; ENERGY RANGE; ENERGY-LEVEL TRANSITIONS; GEV RANGE; HADRONS; INFORMATION; INTERACTIONS; LEPTON-LEPTON INTERACTIONS; MASS; MESONS; MULTIPLETS; MULTIPOLE TRANSITIONS; NUMERICAL DATA; PARTICLE DECAY; PARTICLE INTERACTIONS; PARTICLE MULTIPLETS; PARTICLE PRODUCTION; PIONS; PSEUDOSCALAR MESONS; QUARKONIUM; SPECTRA; VECTOR MESONS
Optional Information
- Contract/Grant/Project number
- Contract DE-AC03-76SF00515; DE-AC02-76ER01195; DE-AC02-87ER40318; DE-AC03-81ER40050; DE-AM03-76SF00010; PHY-88-22028
- Collaborations
- Mark III Collaboration.