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NSR database version of May 1, 2024.

Search: Author = A.M.Sanchez

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2023SA32      Appl.Radiat.Isot. 200, 110953 (2023)

A.M.Sanchez, R.Mora Rodriguez

Measurement of the intensities of the long-range alpha particles from ²¹²Po

RADIOACTIVITY ²¹²Po(α); measured decay products, Eα, Iα; deduced relative intensities for the long-range alpha particles, uncertainty budget.

doi: 10.1016/j.apradiso.2023.110953
Citations: PlumX Metrics

2005GA36      Nucl.Instrum.Methods Phys.Res. A550, 581 (2005)

E.Garcia-Torano, M.T.Crespo, M.Roteta, G.Sibbens, S.Pomme, A.M.Sanchez, M.P.R.Montero, S.Woods, A.Pearce

α-particle emission probabilities in the decay of ²³⁵U

RADIOACTIVITY ²³⁵U(α); measured Eα, Iα; deduced emission probabilities.

doi: 10.1016/j.nima.2005.05.059
Citations: PlumX Metrics

1999SA15      Nucl.Instrum.Methods Phys.Res. A420, 481 (1999)

A.M.Sanchez, P.R.Montero

Simplifying Data Fitting using Branching Ratios as Constraints in Alpha Spectrometry

RADIOACTIVITY ^239,240Pu, ²⁴¹Am, ²⁴⁴Cm, ^{232,234,235,238}U, ²²⁸Th, ²²⁴Ra(α); analyzed complex α spectra; deduced peak fitting parameters. Branching ratio constraints, block-fitting technique.

doi: 10.1016/S0168-9002(98)01179-6
Citations: PlumX Metrics

1997RO18      Appl.Radiat.Isot. 48, 1215 (1997)

P.B.Rodriguez, A.M.Sanchez, F.V.Tome

Experimental Studies of Self-Absorption and Backscattering in Alpha-Particle Sources

RADIOACTIVITY ²⁴¹Am, U(α); measured α-spectra; deduced source thickness dependence, backscattering correction.

doi: 10.1016/S0969-8043(97)00174-7
Citations: PlumX Metrics

1996CA30      Nucl.Instrum.Methods Phys.Res. A369, 603 (1996)

J.L.F.Calabuig, A.M.Sanchez, C.R.Garcia, J.R.Ferrando, M.F.da Silva, J.C.Soares, F.V.Tome

Characterization of Alpha Sources by Rutherford Backscattering Spectrometry

RADIOACTIVITY ²³²U, ²²⁴Th(α); measured α spectra; deduced parameters correlation with Rutherford backscattering analyses.

doi: 10.1016/S0168-9002(96)80060-X
Citations: PlumX Metrics

1996ES08      Appl.Radiat.Isot. 47, 861 (1996)

V.G.Escobar, F.V.Tome, J.C.Lozano, A.M.Sanchez

Determination of ²²²Rn and ²²⁶Ra in Aqueous Samples Using a Low-Level Liquid Scintillation Counter

RADIOACTIVITY ²²²Rn, ²²⁶Ra(α); measured α-spectra. Aqueous samples, low-level liquid scintillation counter.

doi: 10.1016/S0969-8043(96)00076-0
Citations: PlumX Metrics

1996SA24      Nucl.Instrum.Methods Phys.Res. A369, 593 (1996)

A.M.Sanchez, P.R.Montero, F.V.Tome

FITBOR: A new program for the analysis of complex alpha spectra

RADIOACTIVITY ²⁴⁴Cm, ²³⁸Pu, ^241,243Am(α); measured α-spectra; deduced α-emission probabilities.

doi: 10.1016/S0168-9002(96)80058-1
Citations: PlumX Metrics

1996SA42      Appl.Radiat.Isot. 47, 899 (1996)

A.M.Sanchez, F.V.Tome, P.R.Montero

Fitting of Alpha Spectra. Application to Low-Level Measurements

RADIOACTIVITY ^224,226Ra, ^220,222Rn, ^{216,218,214,210}Po(α); ^230,232,228Th, ^238,234U(α); analyzed α-spectra. Spectral deconvolution techniques, Levenberg-Marquardt method.

doi: 10.1016/S0969-8043(96)00084-X
Citations: PlumX Metrics

1995VA44      Nucl.Instrum.Methods Phys.Res. A364, 349 (1995)

M.J.Vargas, F.Fernandez de Soto, A.M.Sanchez

Energy Resolution, Yield and Radon Diffusion in the Electrodeposition of Radium

RADIOACTIVITY ²²⁶Ra(α); ²²²Rn, ²¹⁰Po(α) [from ²²⁶Ra(α-decay)]; measured α spectra; deduced ²²²Rn diffusion factor per day for electrodeposited sources. Two electrodeposition methods.

doi: 10.1016/0168-9002(95)00393-2
Citations: PlumX Metrics

1994SA53      Nucl.Instrum.Methods Phys.Res. A339, 127 (1994)

A.M.Sanchez, F.V.Tome, D.C.Marzal, C.J.Bland

An Experimental Study of Symmetric and Asymmetric Peak-Fitting Parameters for Alpha-Particle Spectrometry

RADIOACTIVITY ²¹⁰Po(α); analyzed α-spectra. Peak shape functions from combining asymmetric truncated exponential functions with symmetric Gaussian distribution.

doi: 10.1016/0168-9002(94)91821-X
Citations: PlumX Metrics

1994SA63      Nucl.Instrum.Methods Phys.Res. A340, 509 (1994)

A.M.Sanchez, F.V.Tome, J.D.Bejarano

Constraints on Uncertainties and Their Application to the Emission Probabilities of Alpha-Particles

RADIOACTIVITY ²³⁴U, ²¹⁵Ra, ²⁵¹Fm, ^238,239,240Pu, ^241,243Am(α); analyzed α-emission probability data, evaluations; deduced constraints on uncertainities role.

doi: 10.1016/0168-9002(94)90132-5
Citations: PlumX Metrics

1994TO09      Appl.Radiat.Isot. 45, 449 (1994)

F.V.Tome, M.J.Vargas, A.M.Sanchez

Yields and Losses at Each Step in Preparing Uranium and Thorium Samples for Alpha Spectrometry

doi: 10.1016/0969-8043(94)90110-4
Citations: PlumX Metrics

1994TO17      Nucl.Instrum.Methods Phys.Res. A348, 183 (1994)

F.V.Tome, M.J.Vargas, A.M.Sanchez

SIMPLEX Method for Optimization of Experiments Application to Electrodeposition in Alpha Spectrometry

RADIOACTIVITY ²³²U, ²²⁸Th(α); analyzed α-spectra; deduced SIMPLEX optimization method features. Application to electrodeposition in α-spectrometry.

doi: 10.1016/0168-9002(94)90859-1
Citations: PlumX Metrics

1994VA40      Nucl.Instrum.Methods Phys.Res. A346, 298 (1994)

M.J.Vargas, A.M.Sanchez, F.V.Tome

A Method for Removing the Emissions of Natural Uranium in the Analysis of Thorium Alpha Spectra

RADIOACTIVITY ^232,230,228Th(α); analyzed Eα, Iα in water sample with U contamination; deduced Th, U emissions interference removal possibility. Corrected true area calculation procedure.

doi: 10.1016/0168-9002(94)90718-8
Citations: PlumX Metrics

1992BL04      Appl.Radiat.Isot. 43, 223 (1992)

C.J.Bland, A.M.Sanchez, F.V.Tome, M.J.Vargas

An Observed Correlation between Alpha-Particle Peak-Fitting Parameters

RADIOACTIVITY ²²⁸Th, ²²⁴Ra, ²²⁰Rn, ^216,212Po(α); measured α-spectra; calculated effective energy, variance correlations. External ²²⁸Th source, decay chain studied.

doi: 10.1016/0883-2889(92)90094-U
Citations: PlumX Metrics

1990BL06      Nucl.Instrum.Methods Phys.Res. A286, 375 (1990)

C.L.Bland, A.M.Sanchez

A Direct Measurement of ²²⁸Th Activity by Alpha-Beta Coincidence Counting

RADIOACTIVITY ²²⁸Th(α); measured Eα, Iα. αβ-coin counting technique, Silicon ion implanted or surface barrier detector.

doi: 10.1016/0168-9002(90)90881-6
Citations: PlumX Metrics

1990SA35      J.Radioanal.Nucl.Chem. 141, 69 (1990)

A.M.Sanchez, F.V.Tome

Using ²³²U as a Yield Monitor in Assaying Natural Uranium by Alpha-Spectrometry

RADIOACTIVITY U; measured Eα, Iα; deduced possible Eα for ²³³U decay. Natural U sample, ²³²U spiking.

1990SA38      Nucl.Instrum.Methods Phys.Res. A295, 273 (1990)

A.M.Sanchez, F.V.Tome, C.J.Bland

Recent Measurements of ²²⁸Th Activity by Alpha-Beta Coincidence Counting

RADIOACTIVITY ²²⁸Th; measured αβ-coin in daughter activity; deduced parent activity. Improved ²¹²Po peak calculation.

doi: 10.1016/0168-9002(90)90447-E
Citations: PlumX Metrics

1990TO15      Nucl.Instrum.Methods Phys.Res. A295, 450 (1990)

F.V.Tome, A.M.Sanchez

Improvement of the Simple Method of Analyzing Alpha Spectra of Natural Uranium Samples Spiked with ²³²U

RADIOACTIVITY U; analyzed α-spectra. Improved simple inner-standard method, ²³²U source spiking.

doi: 10.1016/0168-9002(90)90725-L
Citations: PlumX Metrics

1989TO03      Nucl.Instrum.Methods Phys.Res. A276, 289 (1989)

F.V.Tome, A.M.Sanchez

A Simple Method of Analysing Alpha Spectra of Environmental Natural Uranium Samples

RADIOACTIVITY ^{238,235,234,232}U; measured α-spectra; deduced area corrections. Enviornmental natural U samples.

doi: 10.1016/0168-9002(89)90646-3
Citations: PlumX Metrics