The neutron transmission of natFe, 197Au and natW

Beyer, R.; Junghans, A. R.; Schillebeeckx, P.; Sirakov, I.; Tao, Song; Bemmerer, D.; Capote, R.; Ferrari, A.; Hartmann, Andreas; Hannaske, R.; Heyse, J.; Kim, Hyeon Il; Kim, Jong Woon; Kögler, T.; Lee, Cheol Woo; Lee, Young‐Ouk; Massarczyk, R.; Müller, S.; Reinhardt, Tobias P.; Röder, M.; Schmidt, K.; Schwengner, R.; Szücs, T.; Takács, M. P.; Wagner, Andreas; Wagner, Louis K.; Yang, Sung-Chul

doi:10.1140/epja/i2018-12505-7

Cited by 8 publications

(32 citation statements)

References 32 publications

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“…The real times for each run k with target in/out are denoted by t real,in,k , t real,out,k The dead-time correction is time-of-flight dependent, as explained in ref. [2]. The relative live times were in a range from 0.88 (O) and 0.98 (Pt) for "target out of the beam" measurements and 0.865 (O) to 0.935 (Pt) for "target in beam" measurements.…”

Section: Discussionmentioning

confidence: 90%

“…ref. [2]. The data shown here were not corrected for this effect, which is typically smaller than 1 % in total cross section for neutron energies above 150-200 keV.…”

Section: Discussionmentioning

confidence: 92%

“…The energy resolution ∆E/E increases in this energy range from 2 • 10 −3 to 8 • 10 −3 (FWHM). The resolution has been improved by reducing the scintillation detector thickness as compared to previous measurements [1,2]. This resolution is sufficient to resolve low lying resonances in light nuclei and for average cross sections that can be compared with optical model calculations.…”

Section: Resultsmentioning

confidence: 99%

“…This background tail is due to insufficient suppression of PMT after-pulses mostly from the gamma-flash. Due to the low background-to-total ratio it has been neglected in the transmission determination [2]. The background-tototal ratio is shown in Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Results on nat Fe, 197 Au and nat W have been published in ref. [2], where experimental aspects of the transmission setup and the data analysis are described in de- * e-mail: A.Junghans@hzdr.de tail. To be able to investigate gaseous targets without corrections for the target chemical composition, high pressure gas cells with flat end-caps have been developed that stand a pressure up to 200 bar.…”

Section: Introductionmentioning

confidence: 99%

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Neutron transmission measurements at nELBE

et al. 2020

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Neutron total cross sections are an important source of experimental data in the evaluation of neutron-induced cross sections. The sum of all neutron-induced reaction cross sections can be determined with a precision of a few per cent in a relative measurement. The neutron spectrum of the photoneutron source nELBE extends in the fast region from about 100 keV to 10 MeV and has favourable conditions for transmission measurements due to the low instantaneous flux of neutrons and low gamma-flash background. Several materials of interest (in part included in the CIELO evaluation or on the HPRL of OECD/NEA) have been investigated: 197Au [1, 2], natFe [2], natW [2], 238U, natPt, 4He, natO, natNe, natXe. For gaseous targets high pressure gas cells with flat end-caps have been built that hold up to 200 bar pressure. The experimental setup will be presented including results from several transmission experiments and the data analysis leading to the total cross sections will be discussed.

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Section: Discussionmentioning

confidence: 90%

“…ref. [2]. The data shown here were not corrected for this effect, which is typically smaller than 1 % in total cross section for neutron energies above 150-200 keV.…”

Section: Discussionmentioning

confidence: 92%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Neutron transmission measurements at nELBE

et al. 2020

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Dispersive optical-model potential parameters for neutron scattering on 197Au up to 200 MeV

Büyükuslu

2025

Nuclear Physics A

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Nucleon scattering analysis with a lane-consistent dispersive optical potential for Hf, W and Ta isotopes

Zhao

Sun

Soukhovitskiĩ

et al. 2021

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

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Nucleon scattering on tungsten and neighboring nuclei are analyzed with a coupled-channels method based on a soft-rotator structure model. The multiple band couplings and nuclear stretching factors are built using nuclear wave functions of the soft-rotator model with the Hamiltonian parameters adjusted to reproduce the energy of low-lying collective levels of corresponding nuclei. A regional lane-consistent dispersive coupled-channels optical-model potential is derived to reproduce the neutron total cross sections, nucleon elastic and inelastic scattering angular distributions, and analyzing powers. Excellent agreement with measurements is obtained for neutron total cross sections of 182,183,184,186W, 178Hf, and 181Ta targets in the whole energy range from 100 keV to 200 MeV; other scattering data are found to be in good agreement with measurements. A deformation-dependent nuclear radius correction arising from the volume conservation condition is introduced and allowed to remove phenomenological radii dependencies on nuclear mass from the potential geometry.

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The neutron transmission of natFe, 197Au and natW

Cited by 8 publications

References 32 publications

Neutron transmission measurements at nELBE

Neutron transmission measurements at nELBE

Dispersive optical-model potential parameters for neutron scattering on 197Au up to 200 MeV

Nucleon scattering analysis with a lane-consistent dispersive optical potential for Hf, W and Ta isotopes

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