Equivalence of pure propane and propane TE gases for microdosimetric measurements

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Equivalence of pure propane and propane TE gases for microdosimetric measurements. / Chiriotti Alvarez, Sabina; Moro, Davide; Colautti, Paolo; Conte, Valeria; Vanhavere, Filip (Peer reviewer); Mihailescu, Cristian (Peer reviewer).

In: Radiation protection dosimetry, Vol. 165, No. 1-4, 04.05.2015, p. 1-5.

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Chiriotti Alvarez, Sabina ; Moro, Davide ; Colautti, Paolo ; Conte, Valeria ; Vanhavere, Filip ; Mihailescu, Cristian. / Equivalence of pure propane and propane TE gases for microdosimetric measurements. In: Radiation protection dosimetry. 2015 ; Vol. 165, No. 1-4. pp. 1-5.

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@article{d9173fd72f0c49eaa5c1b4783ffa8c36,
title = "Equivalence of pure propane and propane TE gases for microdosimetric measurements",
abstract = "A tissue-equivalent proportional counter (TEPC) simulates micrometric volumes of tissue, if the energy deposited in the counter cavity is the same as that in the tissue volume. Nevertheless, a TEPC measures only the ionizations created in the gas, which are later converted into imparted energy. Therefore, the equivalence of the simulated diameter in two gases should be based on the equality of the mean number of ions pairs in the gas rather than on the imparted energy. Propane-based tissue equivalent gas is the most commonly used gas mixture at present but it has the drawback that its composition may change with time. From this point of view, the use of pure propane offers practical advantages: higher gas gain and longer stability. In this work, microdosimetric measurements performed with pure propane, at site sizes between 0.05 mg/cm2 and 0.3 mg/cm2, demonstrate that the response of a propane-filled detector in gamma and in neutron fields is almost the same if an appropriate gas density is used.",
keywords = "TEPC, propane TE, pure propane, microdosimetry",
author = "{Chiriotti Alvarez}, Sabina and Davide Moro and Paolo Colautti and Valeria Conte and Filip Vanhavere and Cristian Mihailescu",
note = "Score = 10; MICROS-2013 16th Intern. Symposium on Microdosimetry ; Conference date: 20-10-2013 Through 25-10-2013",
year = "2015",
month = may,
day = "4",
doi = "10.1093/rpd/ncv293",
language = "English",
volume = "165",
pages = "1--5",
journal = "Radioation Protection Dosimitry",
issn = "0144-8420",
publisher = "Oxford University Press",
number = "1-4",

}

RIS - Download

TY - JOUR

T1 - Equivalence of pure propane and propane TE gases for microdosimetric measurements

AU - Chiriotti Alvarez, Sabina

AU - Moro, Davide

AU - Colautti, Paolo

AU - Conte, Valeria

A2 - Vanhavere, Filip

A2 - Mihailescu, Cristian

N1 - Score = 10

PY - 2015/5/4

Y1 - 2015/5/4

N2 - A tissue-equivalent proportional counter (TEPC) simulates micrometric volumes of tissue, if the energy deposited in the counter cavity is the same as that in the tissue volume. Nevertheless, a TEPC measures only the ionizations created in the gas, which are later converted into imparted energy. Therefore, the equivalence of the simulated diameter in two gases should be based on the equality of the mean number of ions pairs in the gas rather than on the imparted energy. Propane-based tissue equivalent gas is the most commonly used gas mixture at present but it has the drawback that its composition may change with time. From this point of view, the use of pure propane offers practical advantages: higher gas gain and longer stability. In this work, microdosimetric measurements performed with pure propane, at site sizes between 0.05 mg/cm2 and 0.3 mg/cm2, demonstrate that the response of a propane-filled detector in gamma and in neutron fields is almost the same if an appropriate gas density is used.

AB - A tissue-equivalent proportional counter (TEPC) simulates micrometric volumes of tissue, if the energy deposited in the counter cavity is the same as that in the tissue volume. Nevertheless, a TEPC measures only the ionizations created in the gas, which are later converted into imparted energy. Therefore, the equivalence of the simulated diameter in two gases should be based on the equality of the mean number of ions pairs in the gas rather than on the imparted energy. Propane-based tissue equivalent gas is the most commonly used gas mixture at present but it has the drawback that its composition may change with time. From this point of view, the use of pure propane offers practical advantages: higher gas gain and longer stability. In this work, microdosimetric measurements performed with pure propane, at site sizes between 0.05 mg/cm2 and 0.3 mg/cm2, demonstrate that the response of a propane-filled detector in gamma and in neutron fields is almost the same if an appropriate gas density is used.

KW - TEPC

KW - propane TE

KW - pure propane

KW - microdosimetry

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_139501

UR - http://knowledgecentre.sckcen.be/so2/bibref/12865

U2 - 10.1093/rpd/ncv293

DO - 10.1093/rpd/ncv293

M3 - Article

VL - 165

SP - 1

EP - 5

JO - Radioation Protection Dosimitry

JF - Radioation Protection Dosimitry

SN - 0144-8420

IS - 1-4

T2 - MICROS-2013 16th Intern. Symposium on Microdosimetry

Y2 - 20 October 2013 through 25 October 2013

ER -

ID: 119317