Low-Energy pi N Partial Wave Analysis - INSPIRE

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Low-Energy pi N Partial Wave Analysis

R. Koch
(
- Karlsruhe U.
)
,
E. Pietarinen
(
- Karlsruhe U.
)

1980

16 pages

Published in:

Nucl.Phys.A 336 (1980) 331-346

Published: 1980

DOI:

10.1016/0375-9474(80)90214-6

PDG:

{{\mathit \Delta}{(1232)}^{++}}

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Abstract: (Elsevier)

An energy-independent partial-wave analysis has been performed on pion-nucleon elastic and charge-exchange differential cross sections and elastic polarizations, for lab. momenta below 500 MeV/ c . The amplitudes were constrained by a simultaneous fixed momentum transfer analysis, which leads to a unique and smooth solution. The masses and widths of Δ ++ and Δ 0 have been redetermined from total cross sections as m Δ ++ = 1230.9 ± 0.3 MeV, m Δ 0 = 1233.6 ± 0.5 MeV, Γ Δ ++ = 111 ± 1 MeV and Γ Δ 0 = 113 ± 1.5 MeV. For the pion-nucleon coupling constant the value | 2 = 0.079 ± 0.001 was obtained.

INTERPRETATION OF EXPERIMENTS
PI NUCLEON: ELASTIC SCATTERING
ELASTIC SCATTERING: PI NUCLEON
PI NUCLEON: CHARGE EXCHANGE
CHARGE EXCHANGE: PI NUCLEON
PI NUCLEON: INELASTIC SCATTERING
INELASTIC SCATTERING: PI NUCLEON
DIFFERENTIAL CROSS SECTION
POLARIZATION
PARTIAL WAVE ANALYSIS

References(39)

Figures(0)

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see also

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