title: High-energy response of passive dosemeters in use at LANL.
abstract: The high-energy neutron response of three passive dosemeters in use at the Los Alamos National Laboratory (LANL) has been investigated using metrology-grade fields. The dosemeters include the LANL Model 8823 TLD badge and the LANL PN3 track etch device. Both are dosemeters of record at LANL. The third device was the Personal Neutron Dosemeter (PND), a superheated emulsion device, manufactured by Bubble Technology Industries, Inc. (BTI). The response of the three dosemeters at neutron energies exceeding 10 MeV was assessed with monoenergetic neutrons at the Physikalisch-Technische Bundesanstalt facility (14.8 and 19 MeV). For the sake of completeness, data collected at lower energies are also included in this study. High-energy quasi-monoenergetic beams produced by the cyclotron facilities at the Université Catholique de Louvain (UCL) and the The Svedberg Laboratory (TSL) were also utilised as part of this study. These measurements were made to better understand and help interpret dosemeter readings obtained by workers at high-energy accelerators, such as the 800 MeV spallation neutron source facility located at the Los Alamos Neutron Science Center (LANSCE).
authors.affiliation: Health Physics Measurements Group RP-2, MS J573, Los Alamos National Laboratory, Los Alamos, NM 87545, USA. dick@lanl.gov
authors.forename: Richard H
authors.initials: RH
authors.lastname: Olsher
authors.forename: Thomas D
authors.initials: TD
authors.lastname: McLean
authors.forename: Michael W
authors.initials: MW
authors.lastname: Mallett
authors.forename: Leonard L
authors.initials: LL
authors.lastname: Romero
authors.forename: Robert T
authors.initials: RT
authors.lastname: Devine
authors.forename: Jeffrey M
authors.initials: JM
authors.lastname: Hoffman
mesh_terms: D004307:Dose-Response Relationship, Radiation; D004867:Equipment Design; D019544:Equipment Failure Analysis; D007753:Laboratories; D009502:Neutrons; D009516:New Mexico; D009688:Nuclear Reactors; D016273:Occupational Exposure / Q000032:analysis*; D011829:Radiation Dosage; D011834:Radiation Monitoring / Q000295:instrumentation* / Q000379:methods; D011835:Radiation Protection / Q000295:instrumentation* / Q000379:methods; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity