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Molla, N.I.; Qaim, S.M.; Uhl, M.

doi:10.1103/physrevc.42.1540

Cited by 32 publications

(13 citation statements)

References 29 publications

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“…With the increasing incident neutron energy the ratio increases, showing that at higher excitation energies the formation of the high-spin isomer is more favored. This trend is similar to that for several other neutron-and charged-particle-induced reactions near their thresholds [16,17,[39][40][41][42][43][44]. The increase seems to be more pronounced for 195 Hg m,g than for 197 Hg m,g .…”

Section: B Isomeric Cross-section Ratiossupporting

confidence: 86%

“…Worth noting is that not only isomeric pairs with small differences in spins can be described by the model calculations (cf., for example, Refs. [17,[39][40][41][42][43][44]) but also the pairs with relatively large spin differences (as in this work), provided the input parameters are properly chosen. In this regard, two factors need special consideration: first, the input level scheme up to the continuum, and second, the spin distribution of the level density (η).…”

Section: B Isomeric Cross-section Ratiosmentioning

confidence: 99%

“…Refs. [39,41,42,44]). In the present work dealing with mercury isotopes, better results are obtained using a relatively low η value (<0.25).…”

Section: B Isomeric Cross-section Ratiosmentioning

confidence: 99%

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Cross sections and isomeric cross-section ratios in the interactions of fast neutrons with isotopes of mercury

et al. 2006

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3 He reaction using a deuterium gas target at the Jülich variable energy compact cyclotron CV 28. Use was made of the activation technique in combination with high-resolution, high-purity Ge detector γ -ray spectroscopy. All the data were measured for the first time over the investigated energy range. The transition from the present low-energy data to the literature data around 14 MeV is generally good. Nuclear model calculations using the codes STAPRE and EMPIRE-2.19, which employ the statistical and precompound model formalisms, were undertaken to describe the formation of both the isomeric and ground states of the products. The total reaction cross section of a particular channel is reproduced fairly well by the model calculations, with STAPRE giving slightly better results. Regarding the isomeric cross sections, the agreement between the experiment and theory is only in approximate terms. A description of the isomeric cross-section ratio by the model was possible only with a very low value of η, i.e., the eff / rig ratio.

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Section: B Isomeric Cross-section Ratiossupporting

confidence: 86%

Section: B Isomeric Cross-section Ratiosmentioning

confidence: 99%

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Cross sections and isomeric cross-section ratios in the interactions of fast neutrons with isotopes of mercury

et al. 2006

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“…This trend is similar to that for several other neutron-and charged-particle-induced reactions near thresholds [35][36][37][38][39][40][41][42][43][44]. In the range of 13-15 MeV, the calculated isomeric cross section ratio shows the same slightly increasing trend for the six ldmodels.…”

Section: Isomeric Cross Section Ratiosupporting

confidence: 86%

Activation cross section and isomeric cross section ratio for the 76Ge(n,2n)75m,gGe process

Luo

Wang

2018

Eur. Phys. J. A

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Abstract. We measured neutron-induced reaction cross sections for the 76 Ge(n, 2n) 75m,g Ge reactions and their isomeric cross section ratios σ m/σg at three neutron energies between 13 and 15 MeV by an activation and off-line γ-ray spectrometric technique using the K-400 Neutron Generator at the Chinese Academy of Engineering Physics (CAEP). Ge samples and Nb monitor foils were activated together to determine the reaction cross section and the incident neutron flux. The monoenergetic neutron beams were formed via the 3 H(d, n) 4 He reaction. The pure cross section of the ground state was derived from the absolute cross section of the metastable state and the residual nuclear decay analysis. The cross sections were also calculated using the nuclear model code TALYS-1.8 with different level density options at neutron energies varying from the reaction threshold to 20 MeV. Results are discussed and compared with the corresponding literature data.

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“…The standard Am/Be neutron spectrum is shown in Figure 1(A) [15,17] ) Qaim et al [16] ) IRDFF-1.03 [13] ) Sudár et al [18] not given in Figure 1. Based on the available information, the integrated cross section for the standard Am/Be neutron spectrum was obtained.…”

Section: Integral Tests Of Excitation Functionsmentioning

confidence: 99%

Integral cross section measurements of a few threshold reactions induced by Am/Be neutrons

et al. 2014

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Activation cross section and isomeric cross-section ratio for theTi46(n,p)

Cited by 32 publications

References 29 publications

Cross sections and isomeric cross-section ratios in the interactions of fast neutrons with isotopes of mercury

Cross sections and isomeric cross-section ratios in the interactions of fast neutrons with isotopes of mercury

Activation cross section and isomeric cross section ratio for the 76Ge(n,2n)75m,gGe process

Integral cross section measurements of a few threshold reactions induced by Am/Be neutrons

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