Production of strange particles by neutrinos and antineutrinos

The differential cross sections for the neutrino-induced weak charged current production of strange particles in the threshold energy region are presented. The general representation of the weak hadronic current is newly developed in terms of eighteen unknown invariant amplitudes to parametrize the hadron vertex. The Born term approximation is used for the numerical calculations in the framework of the Cabibbo theory and SU(3) symmetry. For unpolarized octet baryons four processes are investigated, whereas in the case of polarized baryons only one process is chosen to study the sensitivity of the differential cross section to the various polarizations of the initial state nucleon and the final state hyperon.

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“…The authors of Refs. [14] and [15] also presented detailed models for neutrino-induced reactions. Specifically, they…”

Section: Discussionmentioning

confidence: 99%

Strange-particle production via the weak interaction

et al. 2010

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“…The old data [22][23][24][25] only collected less than 100 events for Λ(1115) and Σ(1193) neutrino production. On theoretical side, several references [26][27][28][29][30][31][32][33][34] calculated the production of these hyperon resonances: Ref. [26] predicted the Λ(1115), Σ(1193) and Σ * (1385) neutrino-production; Refs.…”

Section: Introductionmentioning

confidence: 99%

“…[32][33][34] analyzed the reaction ν + N → l + K + N where the vertex of Σ * (1385)N W from ΔN W by using SU(3) symmetry was assumed for the sub-threshold contribution of the Σ * (1385) isobar. In short, people have predicted the Σ and Λ neutrino productions [26][27][28][29][30] in the past 40 years, while barely estimated the Σ * and Λ * neutrino productions. Only Σ * (1385) was estimated about 30 years ago [26].…”

Section: Introductionmentioning

confidence: 99%

Hyperon Production from Neutrino–Nucleon Reaction

Zou

2015

Few-Body Syst

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The neutrino induced hyperon production processesν e/μ + p → e + /μ + + π + Λ/Σ may provide a unique clean place for studying low energy πΛ/Σ interaction and hyperon resonances below K N threshold. The production rates for some neutrino induced hyperon production processes are estimated with theoretical models. Suggestions are made for the study of hyperon production from neutrino-nucleon reaction at present and future neutrino facilities.

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“…15,16,17,18,19 there is very little theoretical work on neutrinoinduced associated production of strange particles. To our knowledge, this paper represents the first attempt of a theoretical description of this process from nuclei.…”

Section: Model For Nuclear Weak Transitionmentioning

confidence: 99%

Associated Hyperon–kaon Production via Neutrino–nucleus Scattering

Adera

Ventel

2011

Int. J. Mod. Phys. E

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We present the investigation of the neutrino-induced strangeness associated production on nuclei in the relativistic plane wave impulse approximation (RPWIA) framework at the intermediate neutrino energies. In this study, the elementary hadronic weak amplitudes are embedded inside the nuclear medium for the description of the exclusive channels of neutrino-nucleus interactions. These amplitudes are extracted using a modeldependent evaluation of the hadronic vertex using the Born term approximation in which the application of the Cabibbo V-A theory and SU(3) symmetry are assumed to be valid. The nuclear effects are included via the bound state wavefunctions of the nucleon obtained from the relativistic mean field (RMF) models. Two kinematics settings are used to examine various distributions of the differential cross section in the rest frame of the target nuclei. The numerical results are obtained for the neutrino-induced chargedcurrent (CC) K + Λ-production on bound neutrons in 1s 1/2 and 1p 3/2 orbitals of 12 C.The angular distributions are forward peaked under both kinematic settings, whereas under the quasifree setting the cross sections tend mimic the missing momentum distribution of the bound nucleon inside the nucleus.

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Production of strange particles by neutrinos and antineutrinos

Cited by 18 publications

References 25 publications

Strange-particle production via the weak interaction

Strange-particle production via the weak interaction

Hyperon Production from Neutrino–Nucleon Reaction

Associated Hyperon–kaon Production via Neutrino–nucleus Scattering

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