Erratum: Microscopic calculations based on chiral two- and three-nucleon forces for proton- and 
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-nucleus scattering [Phys. Rev. C 
<b>92</b>
, 024618 (2015)]

Toyokawa, Masakazu; Yahiro, Masanobu; Matsumoto, Takuma; Minomo, Kosho; Ogata, Kazuyuki; Kohno, M.

doi:10.1103/physrevc.96.059905

Cited by 25 publications

(59 citation statements)

References 4 publications

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“…The use of a g-matrix interaction having a predictive power is one of the most essential features of the present study. We use the target-density approximation (TDA) [14][15][16] for evaluating the density dependence of g matrix. This TDA g-matrix approach has been derived from the nucleus-nucleus multiple scattering theory [17] in Ref.…”

Section: Theoretical Frameworkmentioning

confidence: 99%

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Structure of the Hoyle State of ¹²C Extracted from Reaction Observables

Minomo¹,

Ogata²

2017

Proceedings of the 14th International Symposium on Nuclei in the Cosmos (NIC2016)

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The Hoyle state of 12 C has intensively been studied theoretically and experimentally. Despite a rather clear understanding of its three-α cluster structure, the description of the Hoyle state appeared in reaction observables has not been achieved. It was reported in many studies that the (α,α ′ ) cross section theoretically obtained with using the transition density of 12 C from the ground state to the 0 + 2 state significantly overshot the measured cross section. This discrepancy is called the missing monopole strength of the Hoyle state. To solve this probelm, we apply a fully microscopic framework to the (α,α ′ ) inelastic scattering to the 0 + 2 state of 12 C, and show that the calculated result agrees with the measured cross section. We find the consistency between the monopole strength of the Hoyle state determined by structural calculation and that extracted from reaction observables. We thus show essentially there is no room for the missing monopole strength.

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Section: Theoretical Frameworkmentioning

confidence: 99%

“…This TDA g-matrix approach has been derived from the nucleus-nucleus multiple scattering theory [17] in Ref. [15] and shown to work well for describing the elastic scattering of 3 He [15] and α [14,16] off several mid-heavy and heavy target nuclei. [3,[18][19][20].…”

Section: Theoretical Frameworkmentioning

confidence: 99%

Structure of the Hoyle State of ¹²C Extracted from Reaction Observables

Minomo¹,

Ogata²

2017

Proceedings of the 14th International Symposium on Nuclei in the Cosmos (NIC2016)

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“…[16,17] for detail. Then, we apply the g-matrix folding model, which is one of the practical methods to construct microscopic optical potentials, with the complex g-matrix interaction for scattering calculations.…”

Section: Nucleon-nucelus Elastic Scatteringmentioning

confidence: 99%

Fully microscopic description of elastic and inelastic scattering at intermediate incident energies

Minomo

Kohno

Toyokawa

et al. 2016

EPJ Web of Conferences

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Abstract. We aim for fully microscopic understanding of many-body nuclear reactions starting from two-and three-nucleon forces based on chiral effective field theory (Ch-EFT). We first construct a g-matrix with the nuclear forces based on Ch-EFT using Brueckner-Hartree-Fock theory, in which the three-nucleon force effects are represented through the density dependence of the g-matrix. Then, the folding model and microscopic coupled-channels method with the g-matrix are applied to nucleon-nucleus and nucleus-nucleus scattering at intermediate incident energies. This new microscopic framework well describes the elastic and inelastic cross sections with no ad-hoc parameters. In addition, the three-nucleon force and coupled-channels effects on many-body nuclear reactions are clarified.

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“…The chiral interactions are applied to microscopic calculations of few-nucleon scattering [14], finite nuclei [15,16], and nuclear matter [17][18][19]. Furthermore, the g-matrix interaction including the chiral 3NF contributions has been constructed and applied to describe many-body reactions [20][21][22].In this Letter, we investigate chiral 3NF effects in nuclear many-body reactions, in particular, the proton knockout reaction (p,2p). This reaction is suitable for studying effective nucleon-nucleon interactions since (p,2p) reactions at intermediate and high incident energies can be regarded as two-proton quasi-elastic scattering in the nuclear medium.…”

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confidence: 99%

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Probing three-nucleon-force effects via (p,2p) reactions

et al. 2017

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We propose to use proton knockout reactions (p,2p) from a deeply bound orbit as a new probe into threenucleon-force (3NF) effects. The remarkable advantage of using (p,2p) reaction is that we can choose an appropriate kinematical condition to probe the 3NF effects. We analyze (p,2p) reactions on a 40 Ca target within the framework of distorted-wave impulse approximation with a g-matrix interaction based on chiral two-and three-nucleon forces. The chiral 3NF effects significantly change the peak height of the triple differential cross section of (p,2p) reaction. We also clarify the correspondence between the (p,2p) cross sections and the inmedium pp cross sections. PACS numbers: 21.30.Fe, 24.10.Eq, Three-nucleon forces (3NFs) are one of the essential elements which dictate a variety of the dynamics in few-nucleon systems, finite nuclei, and nuclear matter. Without 3NFs, even the saturation property of nuclei can not be explained, and equation-of-state of neutron star is unrealistic [1]. For nuclear structure calculations, the 3NF gives the last piece to reproduce binding energies of light nuclei [2]. For nucleondeuteron elastic scattering, 3NF effects are clearly observed in cross sections at middle and large angles, in which the twonucleon force (2NF) is relatively small [3], and are also detected in spin observables [4]. In heavier systems, 3NF effects may be represented by the density-dependence of the nucleon-nucleon (NN) effective interaction (the g-matrix interaction) [5,6]. Very recently, nucleus-nucleus elastic scattering is investigated as a probe of 3NF effects at high density [7]. 3NF effects reduce the cross sections at large scattering angles significantly, where higher than normal density is produced in the overlapping area between the projectile and target densities.Besides three-nucleon correlations via ordinary NN interaction, 3NFs may arise from intermediate excitations of nonnucleonic degrees of freedom, typically an isobar ∆. A pioneering work for two-pion exchange 3NFs by Fujita and Miyazawa [8] was followed by various phenomenological models, such as Tucson-Melbourne [9] and Urbana [10] models, which have been used frequently to investigate the roles of 3NF effects in nuclear systems. In the last two decades, the theoretical description of 3NF has progressed considerably by chiral effective field theory (Ch-EFT) [11][12][13], in place of phenomenological 3NFs. Ch-EFT enables us to organize two-, three-, and many-body forces consistently and systematically. The chiral interactions are applied to microscopic calculations of few-nucleon scattering [14], finite nuclei [15,16], and nuclear matter [17][18][19]. Furthermore, the g-matrix interaction including the chiral 3NF contributions has been constructed and applied to describe many-body reactions [20][21][22].In this Letter, we investigate chiral 3NF effects in nuclear many-body reactions, in particular, the proton knockout reaction (p,2p). This reaction is suitable for studying effective nucleon-nucleon interactions since (p,2p) reactions at ...

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Erratum: Microscopic calculations based on chiral two- and three-nucleon forces for proton- and 4He -nucleus scattering [Phys. Rev. C 92 , 024618 (2015)]

Cited by 25 publications

References 4 publications

Structure of the Hoyle State of ¹²C Extracted from Reaction Observables

Structure of the Hoyle State of ¹²C Extracted from Reaction Observables

Fully microscopic description of elastic and inelastic scattering at intermediate incident energies

Probing three-nucleon-force effects via (p,2p) reactions

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Erratum: Microscopic calculations based on chiral two- and three-nucleon forces for proton- and 4He -nucleus scattering [Phys. Rev. C 92 , 024618 (2015)]

Cited by 25 publications

References 4 publications

Structure of the Hoyle State of 12C Extracted from Reaction Observables

Structure of the Hoyle State of 12C Extracted from Reaction Observables

Fully microscopic description of elastic and inelastic scattering at intermediate incident energies

Probing three-nucleon-force effects via (p,2p) reactions

Contact Info

Product

Resources

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Structure of the Hoyle State of ¹²C Extracted from Reaction Observables

Structure of the Hoyle State of ¹²C Extracted from Reaction Observables