Few-Nucleon Calculations With Δ Degrees of Freedom

Deltuva, A.; Fonseca, A. C.; Sauer, P. U.

doi:10.1007/s00601-010-0110-z

Cited by 3 publications

(5 citation statements)

References 38 publications

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“…[24], the theoretical predictions from Ref. [25]. Neither the Coulomb force between the two p's nor the 3N force show up in any significant way.…”

Section: Results For Few-nucleon Reactionsmentioning

confidence: 99%

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Three-Nucleon Forces Revisited - Some Historical Thoughts

Sauer

2013

Preprint

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Historic steps in the emergence, the derivation and the use of three-nucleon forces, genuine and effective, for calculations of few-nucleon systems and of the structure of heavier nuclei are recalled. The research focus is on few-nucleon systems. The need of three-nucleon forces for a successful description of some data and the remaining puzzles of other data, not explainable despite the inclusion of three-nucleon forces, are discussed.

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“…[24], the theoretical predictions from Ref. [25]. Neither the Coulomb force between the two p's nor the 3N force show up in any significant way.…”

Section: Results For Few-nucleon Reactionsmentioning

confidence: 99%

“…At 250 MeV p energy, the experimental data are from Ref [24],. the theoretical predictions from Ref [25]…”

mentioning

confidence: 97%

Three-Nucleon Forces Revisited - Some Historical Thoughts

Sauer

2013

Preprint

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“…The Grenoble-Strasbourg group uses the Faddeev-Yakubovsky equations in configuration space [3,4], but the calculations are limited so far to processes up to n− 3 He threshold (the elastic n− 3 He and charge-exchange p− 3 H channels) [4,5]. Currently, only the Lisbon-Vilnius group calculates observables for multi-channel reactions above the breakup threshold [6][7][8], and with the Coulomb force included. They use the momentum space equations of Alt, Grassberger and Sandhas (AGS) [9] for the transition operators.…”

Section: 1mentioning

confidence: 99%

“…The following models were utilized in the calculations: CD Bonn [20] and Argonne V18 [21] potentials, INOY04 (the inside-nonlocal outside-Yukawa) potential by Doleschall [22], potential derived from ChPT at next-to-next-to-next-toleading order (N3LO) [23], the two-baryon coupled-channel potential CD Bonn+∆ [24]. The last model yields effective three-and four-nucleon forces [6], but their effect is of moderate size at most. The sensitivity to the force model in the energy range studied reached 30% in the cross section minimum.…”

Section: 1mentioning

confidence: 99%

Few-nucleon system dynamics studied via deuteron-deuteron collisions at 160 MeV

Ciepał

Bodek

Nayestanaki

et al. 2020

SciPost Phys. Proc.

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Four nucleon scattering at intermediate energies provides unique opportunities to study effects of the two key ingredients of the nuclear dynamics, the nucleon-nucleon P-wave (NNP-wave) and the three-nucleon force (3NF). This is possible only with systematic and precise data, in conjunction with exact theoretical calculations. Using the BINA detector at KVI Groningen, the Netherlands, a rich set of differential cross section of the ^{2}2H(d,dp)n breakup reaction at 160 MeV deuteron beam energy has been measured. Besides the three-body breakup, also cross sections of the ^{2}2H(d, ^{3}3He)n proton transfer reaction have been obtained. The data are compared to the recent calculations for the three-cluster breakup.

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“…. At 250 MeV p lab energy, the theoretical predictions are from Ref 67 ,. in which also the references to those experimental data are given.…”

mentioning

confidence: 99%

Three-nucleon forces

Sauer

2014

Int. J. Mod. Phys. E

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The role of three-nucleon forces in ab initio calculations of nuclear systems is investigated. The difference between genuine and induced many-nucleon forces is emphasized. Induced forces arise in the process of solving the nuclear many-body problem as technical intermediaries towards calculationally converged results. Genuine forces make up the hamiltonian; they represent the chosen underlying dynamics. The hierarchy of contributions arising from genuine two-, three-and many-nucleon forces is discussed. Signals for the need of the inclusion of genuine three-nucleon forces are studied in nuclear systems, technically best under control, especially in three-nucleon and four-nucleon systems. Genuine three-nucleon forces are important for details in the description of some observables. Their contributions to observables are small on the scale set by two-nucleon forces.

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Few-Nucleon Calculations With Δ Degrees of Freedom

Cited by 3 publications

References 38 publications

Three-Nucleon Forces Revisited - Some Historical Thoughts

Three-Nucleon Forces Revisited - Some Historical Thoughts

Few-nucleon system dynamics studied via deuteron-deuteron collisions at 160 MeV

Three-nucleon forces

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