The bonn meson-exchange model for the nucleon—nucleon interaction

Machleidt, R.; Holinde, K.; Elster, Ch.

doi:10.1016/s0370-1573(87)80002-9

Cited by 2,563 publications

(2,454 citation statements)

References 160 publications

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“…[13] and [14], respectively. These functions describe the corresponding form factors in the whole momentum transfer region, as covered by the energy region considered here.…”

Section: Resultsmentioning

confidence: 99%

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Coherentπ0π0photoproduction on lightest nuclei

Egorov

Fix

2015

Nuclear Physics A

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“…[13] and [14], respectively. These functions describe the corresponding form factors in the whole momentum transfer region, as covered by the energy region considered here.…”

Section: Resultsmentioning

confidence: 99%

“…, where E f and p f are defined according to (13) and (14), does not surpass 4 MeV in the whole kinematic region considered. This is quite important in our case since our amplitude (6) is of pure phenomenological nature and is determined in a relatively narrow energy region…”

Section: Formalismmentioning

confidence: 99%

Coherentπ0π0photoproduction on lightest nuclei

Egorov

Fix

2015

Nuclear Physics A

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“…Since f NN ω = 0 [12] it follows that f ω = −f ω . The short-range contributions from correlated π − ρ exchange were parametrized by an effective ω exchange in Ref.…”

Section: A Coupling Constantsmentioning

confidence: 99%

“…In the (full) Bonn NN potential [12] From earlier studies of the ππ interaction it is known that ππ correlations are important mainly in the scalar-isoscalar and vectorisovector channels. In one-boson-exchange (OBE) potentials these are included effectively via exchange of sharp mass σ and ρ mesons.…”

Section: Introductionmentioning

confidence: 99%

Jülich hyperon-nucleon model revisited

Haidenbauer¹,

Meißner²

2005

Phys. Rev. C

240

326

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A one-boson-exchange model for the hyperon-nucleon ( N, N ) interaction is presented. The model incorporates the standard one boson exchanges of the lowest pseudoscalar and vector meson multiplets with coupling constants fixed by SU(6) flavor symmetry relations. As the main new feature of the model, the contributions in the scalar-isoscalar (σ ) and vector-isovector (ρ) exchange channels are now constrained by a microscopic model of correlated ππ and KK exchange. Additional short-ranged ingredients of the model in the scalar-isovector (a 0 ) and scalar-isospin-1/2 (κ) channels are likewise viewed as arising from meson-meson correlations but are treated phenomenologically. With this model a satisfactory reproduction of the available hyperon-nucleon data can be achieved.

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“…According to different versions of the Bonn potential the coupling constant g 2 a 0 N N /4π can vary from 1.1075 to 2.67 [25,27]. On the other hand, the unitary model for meson-nucleon scattering [30] gives a different range for this constant from 0.0026 to 0.88.…”

Section: An Effective Lagrangian Approach With One-pion Exchangementioning

confidence: 99%

Production of a0 mesons in pp and pn reactions

Bratkovskaya

Grishina

Kondratyuk

et al. 2002

J. Phys. G: Nucl. Part. Phys.

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Abstract. We investigate the cross section for the reaction N N → N N a 0 near threshold and at medium energies. An effective Lagrangian approach with one-pion exchange is applied to analyze different contributions to the cross section for different isospin channels. The Reggeon exchange mechanism is also considered. The results are used to calculate the contribution of the a 0 meson to the cross sections and invariant KK mass distributions of the reactions pp → pnK +K 0 and pp → ppK + K − . It is found that the experimental observation of a + 0 mesons in the reaction pp → pnK +K 0 is much more promising than the observation of a 0 0 mesons in the reaction pp → ppK + K − . PACS

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The bonn meson-exchange model for the nucleon—nucleon interaction

Cited by 2,563 publications

References 160 publications

Coherentπ0π0photoproduction on lightest nuclei

Coherentπ0π0photoproduction on lightest nuclei

Jülich hyperon-nucleon model revisited

Production of a0 mesons in pp and pn reactions

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