Measurement of gamma-ray production cross sections for nuclear reaction 31P(p,pγ1-0)31P

Hugo Silva; Catarina Santos; Micaela Fonseca; H. Luís; Leonardo Martins; Vasco Manteigas; João Cruz; Adelaide P. Jesus

doi:10.1016/j.nimb.2019.05.060

Measurement of gamma-ray production cross sections for nuclear reaction ³¹P(p,pγ_1-0)³¹P

Hugo Silva, Catarina Santos, Micaela Fonseca, H. Luís, Leonardo Martins, Vasco Manteigas, João Cruz, Adelaide P. Jesus

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Abstract

In order to implement a standard free PIGE analysis of phosphorus, the cross section of the reaction ³¹P(p,pγ_1-0)³¹P, γ_1-0=1266.1keV was measured for the proton energy range 2.6–4 MeV, with energy steps ranging from 1 keV on resonances to 10 keV off resonance. This data provides additional information in relation to previous works on this reaction, as a more detailed and extended (in energy) measurement was made. The results obtained in this work were compared within the common energy range with previous measurements. There is a fair agreement within the quoted uncertainties although a larger energy step was used by the other authors and some resonances were missed. Also, a validation was accomplished by introducing the measured excitation function in the ERYA code to calculate thick target phosphorus yields of Ca₃(PO₄)₂ and comparing the calculated values with the corresponding measured yields and also with other thick target yields found in the literature. A good agreement was found.

Original language	English
Pages (from-to)	26-29
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Volume	452
DOIs	https://doi.org/10.1016/j.nimb.2019.05.060
Publication status	Published - 1 Aug 2019

Keywords

Cross section
Phosphorus
PIGE

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V1799R2Accepted author manuscript, 1.14 MBLicence: CC BY-NC-ND

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title = "Measurement of gamma-ray production cross sections for nuclear reaction 31P(p,pγ1-0)31P",

abstract = "In order to implement a standard free PIGE analysis of phosphorus, the cross section of the reaction 31P(p,pγ1-0)31P, γ1-0=1266.1keV was measured for the proton energy range 2.6–4 MeV, with energy steps ranging from 1 keV on resonances to 10 keV off resonance. This data provides additional information in relation to previous works on this reaction, as a more detailed and extended (in energy) measurement was made. The results obtained in this work were compared within the common energy range with previous measurements. There is a fair agreement within the quoted uncertainties although a larger energy step was used by the other authors and some resonances were missed. Also, a validation was accomplished by introducing the measured excitation function in the ERYA code to calculate thick target phosphorus yields of Ca3(PO4)2 and comparing the calculated values with the corresponding measured yields and also with other thick target yields found in the literature. A good agreement was found.",

keywords = "Cross section, Phosphorus, PIGE",

author = "Hugo Silva and Catarina Santos and Micaela Fonseca and H. Lu{\'i}s and Leonardo Martins and Vasco Manteigas and Jo{\~a}o Cruz and Jesus, {Adelaide P.}",

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doi = "10.1016/j.nimb.2019.05.060",

language = "English",

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AU - Silva, Hugo

AU - Santos, Catarina

AU - Fonseca, Micaela

AU - Luís, H.

AU - Martins, Leonardo

AU - Manteigas, Vasco

AU - Cruz, João

AU - Jesus, Adelaide P.

N1 - info:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F82631%2F2011/PT#

PY - 2019/8/1

Y1 - 2019/8/1

N2 - In order to implement a standard free PIGE analysis of phosphorus, the cross section of the reaction 31P(p,pγ1-0)31P, γ1-0=1266.1keV was measured for the proton energy range 2.6–4 MeV, with energy steps ranging from 1 keV on resonances to 10 keV off resonance. This data provides additional information in relation to previous works on this reaction, as a more detailed and extended (in energy) measurement was made. The results obtained in this work were compared within the common energy range with previous measurements. There is a fair agreement within the quoted uncertainties although a larger energy step was used by the other authors and some resonances were missed. Also, a validation was accomplished by introducing the measured excitation function in the ERYA code to calculate thick target phosphorus yields of Ca3(PO4)2 and comparing the calculated values with the corresponding measured yields and also with other thick target yields found in the literature. A good agreement was found.

AB - In order to implement a standard free PIGE analysis of phosphorus, the cross section of the reaction 31P(p,pγ1-0)31P, γ1-0=1266.1keV was measured for the proton energy range 2.6–4 MeV, with energy steps ranging from 1 keV on resonances to 10 keV off resonance. This data provides additional information in relation to previous works on this reaction, as a more detailed and extended (in energy) measurement was made. The results obtained in this work were compared within the common energy range with previous measurements. There is a fair agreement within the quoted uncertainties although a larger energy step was used by the other authors and some resonances were missed. Also, a validation was accomplished by introducing the measured excitation function in the ERYA code to calculate thick target phosphorus yields of Ca3(PO4)2 and comparing the calculated values with the corresponding measured yields and also with other thick target yields found in the literature. A good agreement was found.

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KW - PIGE

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ER -

Measurement of gamma-ray production cross sections for nuclear reaction ³¹P(p,pγ_1-0)³¹P

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