Experimental determination of Q0 factors and effective resonance energies with a multi-channel approach: the α-vector method

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Experimental determination of Q0 factors and effective resonance energies with a multi-channel approach: the α-vector method. / Farina Arboccò, F.; Vermaercke, Peter; Smits, Katrien; Sneyers, Liesel; Strackx, Maarten; Strijckmans, K.

In: Journal of Radioanalytical and Nuclear Chemistry, Vol. 302, No. 1, 24.07.2014, p. 631-646.

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@article{8576f861c26545ba85f96329f3af088d,
title = "Experimental determination of Q0 factors and effective resonance energies with a multi-channel approach: the α-vector method",
abstract = "Some of the Q0 and E¯ r factors from the 2003 to 2012 recommended k0-datasets were adopted from older literature (Lit; before 1984), at the time of the launch of the k0- method and have associated uncertainties of 10 {\%}. The E¯ r factors on the other hand, were derived analytically in 1979 and 1987 byemploying the Breit–Wigner resonance representation, but in 1984 a multi-channel method was proposed for simultaneous Q0 andE¯ r experimental determination. In this work we assumed the a-dependence of theE¯ r parameter proposed later in 1987 for a generalization of this method, which was then employed in the experimental determination of Q0 andE¯ r factors for 17 (n,c) target isotopes on up to three channels of the BR1 reactor at the SCK-CEN(Mol, Belgium).Retrospectively, this ‘‘a-vectormethod’’ can be employed for a-calibration and it provides a practical way of averaging the experimentalQ0 (and E¯ r) results from several laboratories.OurQ0 results have 2–3 {\%} uncertainty and are compared with the Lit elsewhere.",
keywords = "Neutron Activation, Analysis, Q0 factor, Effective resonance energy E¯ r, s0 factor, Modified Westcott formalism, k0 method",
author = "{Farina Arbocc{\`o}}, F. and Peter Vermaercke and Katrien Smits and Liesel Sneyers and Maarten Strackx and K. Strijckmans",
note = "Score = 10",
year = "2014",
month = "7",
day = "24",
doi = "10.1007/s10967-014-3276-x",
language = "English",
volume = "302",
pages = "631--646",
journal = "Journal of Radioanalytical and Nuclear Chemistry",
issn = "0236-5731",
publisher = "Springer",
number = "1",

}

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TY - JOUR

T1 - Experimental determination of Q0 factors and effective resonance energies with a multi-channel approach: the α-vector method

AU - Farina Arboccò, F.

AU - Vermaercke, Peter

AU - Smits, Katrien

AU - Sneyers, Liesel

AU - Strackx, Maarten

AU - Strijckmans, K.

N1 - Score = 10

PY - 2014/7/24

Y1 - 2014/7/24

N2 - Some of the Q0 and E¯ r factors from the 2003 to 2012 recommended k0-datasets were adopted from older literature (Lit; before 1984), at the time of the launch of the k0- method and have associated uncertainties of 10 %. The E¯ r factors on the other hand, were derived analytically in 1979 and 1987 byemploying the Breit–Wigner resonance representation, but in 1984 a multi-channel method was proposed for simultaneous Q0 andE¯ r experimental determination. In this work we assumed the a-dependence of theE¯ r parameter proposed later in 1987 for a generalization of this method, which was then employed in the experimental determination of Q0 andE¯ r factors for 17 (n,c) target isotopes on up to three channels of the BR1 reactor at the SCK-CEN(Mol, Belgium).Retrospectively, this ‘‘a-vectormethod’’ can be employed for a-calibration and it provides a practical way of averaging the experimentalQ0 (and E¯ r) results from several laboratories.OurQ0 results have 2–3 % uncertainty and are compared with the Lit elsewhere.

AB - Some of the Q0 and E¯ r factors from the 2003 to 2012 recommended k0-datasets were adopted from older literature (Lit; before 1984), at the time of the launch of the k0- method and have associated uncertainties of 10 %. The E¯ r factors on the other hand, were derived analytically in 1979 and 1987 byemploying the Breit–Wigner resonance representation, but in 1984 a multi-channel method was proposed for simultaneous Q0 andE¯ r experimental determination. In this work we assumed the a-dependence of theE¯ r parameter proposed later in 1987 for a generalization of this method, which was then employed in the experimental determination of Q0 andE¯ r factors for 17 (n,c) target isotopes on up to three channels of the BR1 reactor at the SCK-CEN(Mol, Belgium).Retrospectively, this ‘‘a-vectormethod’’ can be employed for a-calibration and it provides a practical way of averaging the experimentalQ0 (and E¯ r) results from several laboratories.OurQ0 results have 2–3 % uncertainty and are compared with the Lit elsewhere.

KW - Neutron Activation

KW - Analysis

KW - Q0 factor

KW - Effective resonance energy E¯ r

KW - s0 factor

KW - Modified Westcott formalism

KW - k0 method

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_136813

UR - http://knowledgecentre.sckcen.be/so2/bibref/11793

U2 - 10.1007/s10967-014-3276-x

DO - 10.1007/s10967-014-3276-x

M3 - Article

VL - 302

SP - 631

EP - 646

JO - Journal of Radioanalytical and Nuclear Chemistry

JF - Journal of Radioanalytical and Nuclear Chemistry

SN - 0236-5731

IS - 1

ER -

ID: 354424