Search Results - "Valentine, T.E."

Physical description of nuclear materials identification system (NMIS) signatures by Mihalczo, J.T, Mullens, J.A, Mattingly, J.K, Valentine, T.E

“…This paper describes all time and frequency analysis parameters measured with a new correlation processor (capability up to 1 GHz sampling rates and up to five…”
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New neutron cross-section measurements at ORELA and their application in nuclear criticality calculations by Guber, K.H., Leal, L.C., Sayer, R.O., Koehler, P.E., Valentine, T.E., Derrien, H., Harvey, J.A.

“…Many older neutron cross-section evaluations from libraries such as ENDF/B-VI or JENDL-3.2 show deficiencies in energy ranges that are important for…”
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Subcritical reactivity monitoring in accelerator driven systems by Muñoz-Cobo, J.L., Rugama, Y., Valentine, T.E., Mihalczo, J.T., Perez, R.B.

“…In this paper, an absolute measurements technique for the subcriticality determination is presented. The development of accelerator driven systems (ADS)…”
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252Cf-source-correlated transmission measurements for uranyl fluoride deposit in a 24-in-OD process pipe by Uckan, T., Wyatt, M.S., Mihalczo, J.T., Valentine, T.E., Mullens, J.A., Hannon, T.F.

“…Characterization of a hydrated uranyl fluoride (UO 2F 2· nH 2O) deposit in a 17 ft long, 24 in OD process pipe at the former Oak Ridge Gaseous Diffusion Plant…”
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Modal influence of the detector location for the noise calculation of the ADS by Rugama, Y., Muñoz-Cobo, J.L., Valentine, T.E.

“…The purpose of this paper is to investigate the space dependence of neutron noise in a source-driven subcritical system. The noise produced by the fluctuations…”
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Nuclear Data Measurements, Analysis and Evaluation at the Oak Ridge National Laboratory in Support of Nuclear Criticality Safety by Leal, L.C., Derrien, H., Larson, N.M., Guber, K.H., Valentine, T.E., Sayer, R.O.

“…This paper describes the activities in nuclear data measurement, nuclear data evaluation, and nuclear data testing at the Oak Ridge National Laboratory in…”
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A stochastic transport theory of neutron and photon coupled fields by Muñoz-Cobo, J.L., Perez, R.B., Valentine, T.E., Rugama, Y., Mihalczo, J.T.

“…The behavior of neutrons and gamma rays in a nuclear reactor or configuration of fissile material can be represented as a stochastic process. The observation…”
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MCNP-DSP: A neutron and gamma ray Monte carlo calculation of source-driven noise-measured parameters by Valentine, T.E., Mihalczo, J.T.

“…The 252Cf-source-driven noise analysis measurement method was developed to determine the subcriticality and other properties of configurations of fissile…”
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Validation of the Monte Carlo code MCNP-DSP by Valentine, T.E., Mihalczo, J.T.

“…Several calculations were performed to validate MCNP-DSP, which is a Monte Carlo code that calculates all the time and frequency analysis parameters associated…”
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A novel method for determining pulse counting circuitry dead time using the Nuclear Weapons Inspection System by Paulus, M.J., Mihalczo, J.T., Valentine, T.E., Mullens, J.A., Breeding, J.E., Uckan, T., Mattingly, J., Turner, G., Smith, M.C., McEvers, J.A.

“…A novel method for measuring dead time in nuclear pulse processing circuitry has been developed using the autocorrelation measurement capability of the Nuclear…”
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Nuclear weapons identification system by Mihalczo, J.T., Pare, V.K., Valentine, T.E.

“…A nuclear weapons identification system (NWIS) has been under development at the Oak Ridge Y-12 plant since 1984. NWIS employs active neutron interrogation to…”
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A novel method for determining pulse counting circuitry dead time using the nuclear weapons inspection system by Paulus, M.J., Mihalczo, J.T., Valentine, T.E., Mullens, J.A., Breeding, J.E., Uckan, T., Mattingly, J., Turner, G., Smith, M.C., McEvers, J.A.

“…A novel method for measuring dead time in nuclear pulse processing circuitry has been developed using the autocorrelation measurement capability of the Nuclear…”
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Detector system for monitoring fissile mass flow in liquids and gases by Paulus, M.J., Uckan, T., Lenarduzzi, R., March-Leuba, J., Castleberry, K., Mattingly, J.K., Mihalczo, J.T., Mullens, J.A., Valentine, T.E., McEvers, J.A.

“…A computer controlled detector/electronics module has been designed and constructed for the Oak Ridge National Laboratory fissile mass flow (FMF) monitor. The…”
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