Unitarity and the isobar model: Two-body discontinuities

Brehm, J.J.

doi:10.1016/0003-4916(77)90023-9

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Introduction3

Jhep05(2017)1431

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Cited by 44 publications

(16 citation statements)

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“…To construct A i (x), the isobar approach is used, which assumes that the decay process can be factorized into subsequent two-body decay amplitudes [33][34][35]. This gives rise to two different decay topologies; quasi two-body decays…”

Section: Jhep05(2017)143mentioning

confidence: 99%

Amplitude analyses of D 0 → π + π − π + π − and D 0 → K + K − π + π − decays

d’Argent

Skidmore

Benton

et al. 2017

J. High Energ. Phys.

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Section: Jhep05(2017)143mentioning

confidence: 99%

Amplitude analyses of D 0 → π + π − π + π − and D 0 → K + K − π + π − decays

d’Argent

Skidmore

Benton

et al. 2017

J. High Energ. Phys.

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“…[25][26][27][28][29], a method has been developed which is convenient for analyzing relativistic three-hadron systems. The physics of three-hadron systems can be described by means of a pair interaction between the particles.…”

Section: Introductionmentioning

confidence: 99%

Relativistic five-quark equations and the nature ofθpentaquarks

Gerasyuta

Kochkin

2005

Phys. Rev. D

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The relativistic five-quark equations are found in the framework of the dispersion relation technique. The solutions of these equations using the method based on the extraction of the leading singularities of the amplitudes are obtained. The five-quark amplitudes for the low-lying pentaquarks including the u, d, s quarks are calculated. The poles of these amplitudes determine the masses of pentaquarks. The mass spectra of the isotensor pentaquarks with J P 1 2 ; 3 2 are calculated.

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“…In Ref. 5 the form (1 -@a)-' was used, where for SIT channels (26) ( (s3 -4 p 2 ) / 4 for 1W channels. FIG.…”

Section: Resultsmentioning

confidence: 99%

Calculation of thes-wave final-state interactions in theNππsystem

Brehm

1980

Phys. Rev. D

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The coupled integral equations for the N m r system are considered for s-wave isobars in S states. For phenomenological objectives the equations are made tractable and the subenergy dependence of the isobar amplitudes is organized according to a collection of resolvents. These quantifies satisfy coupled integral equations which are solved by means of a basis-function method. Calculations of the resolvents as functions of the subenergy variable are made for total energy W = 1.3, 1.4, and 1.5 GeV. All of the large number of results admit a useful physical parametrization in terms of a sort of complex scattering length. A remarkable sign regularity among the parameters is observed and interpreted.

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Unitarity and the isobar model: Two-body discontinuities

Cited by 44 publications

References 4 publications

Amplitude analyses of D 0 → π + π − π + π − and D 0 → K + K − π + π − decays

Amplitude analyses of D 0 → π + π − π + π − and D 0 → K + K − π + π − decays

Relativistic five-quark equations and the nature ofθpentaquarks

Calculation of thes-wave final-state interactions in theNππsystem

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