$f1(1285)$ formation in photon photon fusion reactions - INSPIRE

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$f1(1285)$ formation in photon photon fusion reactions

TPC-TWO-GAMMA

Collaboration

•

H. Aihara
(
- Tokyo U.
)

1988

6 pages

Published in:

Phys.Lett.B 209 (1988) 107-111

Published: 1988

DOI:

10.1016/0370-2693(88)91840-0

PDG:

{{\mathit f}_{{{1}}}{(1420)}}

\rightarrow

{{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}

Experiments:

SLAC-PEP-004

reference search30 citations

Citations per year

Abstract: (Elsevier)

We have observed formation of the f 1 (1285) in the reaction e + e - →e + e - π + π - η ( η → γγ ). Its γγ ∗ width is determined in several Q 2 bins. The γγ coupling parameter for the f 1 (1285) is found to be 2.4±0.5±0.5 keV. This value is compared to that for the X (1420), another J =1 state formed in γγ fusion reactions, which may belong to the same meson nonet.

ELECTRON POSITRON: COLLIDING BEAMS
COLLIDING BEAMS: ELECTRON POSITRON
ELECTRON POSITRON: INELASTIC SCATTERING
INELASTIC SCATTERING: ELECTRON POSITRON
EXCHANGE: TWO-PHOTON
TWO-PHOTON: EXCHANGE
F1(1285): ELECTROPRODUCTION
ELECTROPRODUCTION: F1(1285)
PHOTON PHOTON: FUSION
POSTULATED PARTICLE: X(1420)

References(16)

Figures(0)

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