A comprehensive study of the analyzing powers of the proton-deuteron break-up reaction at 190 MeV with BINA

Mohammadi-Dadkan, M.

doi:10.33612/diss.118493792

Cited by 1 publication

(5 citation statements)

References 86 publications

(166 reference statements)

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“…Results of different theoretical calculations from CDB, CDB+Δ, AV18, and AV18+UIX are compared with the data. It was already shown that the Coulomb effect is negligible in the analyzing powers [48]. Therefore, the results of CDB+Δ+C are not included for ease of comparison with the other calculations.…”

Section: Resultsmentioning

confidence: 99%

“…For details about the experimental setup, see Refs. [35,48]. BINA, is a specially-designed 4π detection system with which 3NF effects could be studied through the elastic and the breakup reactions of three-and four-nucleon systems.…”

Section: Methodsmentioning

confidence: 99%

“…The left panel of Fig. 1 for the available kinematics at small, medium, and large scattering angles of the outgoing proton [41,48]. In the present analysis, we exploited the measured analyzing powers for two regions of the reaction d( p, pp)n corresponding to small relative energies of pp and pn .…”

Section: Methodsmentioning

confidence: 99%

“…Two different approaches were applied for energy calibration of the forward-wall and the backward-ball detectors [48]. The protons with energies larger than 140 MeV (E 1 > 140 MeV) punch through the E-detectors of the forward-wall and, consequently, deposit part of their energies in the detectors, see the left panel of Fig.…”

Section: Analysis Methodsmentioning

confidence: 99%

“…This part of BINA is capable of measuring the energy and the scattering angles of the particles in the range of 35 • < θ < 160 • except where the target holder is attached to the scattering chamber at 80 • < θ < 120 • and 60 • < φ < 120 • . The analyzing powers A y of the proton-deuteron breakup reaction have been measured for the available kinematics at small, medium, and large scattering angles of the outgoing proton[41,48]. In the present analysis, we exploited the measured analyzing powers for two regions of the reaction d( p, pp)n corresponding to small relative energies of pp and pn .…”

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confidence: 99%

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Analyzing powers at low nucleon–nucleon relative energies in proton–deuteron breakup reaction

et al. 2022

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Vector analyzing powers for the $$d(\vec {p},pp)n$$ d ( p → , p p ) n reaction have been measured at KVI for different kinematical configurations using a polarized proton beam with an energy of 190 MeV. We compared our data with different theoretical calculations at extremely low relative energies of the proton–proton and proton–neutron systems in the final state. For the proton–neutron case, we used the information of the two detected protons in the final state in which one of them scattered to an angle smaller than $$40^{\circ }$$ 40 ∘ and the other one to an angle larger than $$100^{\circ }$$ 100 ∘ in the laboratory frame. We extrapolated our measurements towards a kinematical configuration to a vanishing relative energy. Our results show that none of the theoretical models presented here is able to reproduce experimental data for the proton–proton case at very low relative energies. For the proton–neutron case, we were not able to provide a reliable extrapolation to small relative energies of less than 1 MeV. Present results are the basis for future investigations of spin-isospin dependencies in the nuclear many-body force.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Analysis Methodsmentioning

confidence: 99%

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confidence: 99%

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