TOP-IMPLART直线质子束在氟化锂中色中心放射光致发光的能量诊断

IF 1.6 3区物理与天体物理 Q2 NUCLEAR SCIENCE & TECHNOLOGY

Radiation Measurements Pub Date : 2025-02-01 DOI:10.1016/j.radmeas.2024.107369

Enrico Nichelatti , Alessandro Ampollini , Maria Denise Astorino , Giulia Bazzano , Rosa Maria Montereali , Paolo Nenzi , Valentina Nigro , Concetta Ronsivalle , Vincenzo Surrenti , Emiliano Trinca , Maria Aurora Vincenti , Massimo Piccinini

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引用次数: 0

摘要

在试运行期间，氟化锂晶体通常被用作基于放射光致发光的被动辐射探测器，以评估TOP-IMPLART直线质子束的能量特性。这是通过利用它们的能力来记录完整的布拉格曲线，通过与入射质子相互作用在liff晶格中稳定形成可见光发射色中心来实现的。在这里，简要概述了这种简单而强大的能量诊断方法的现状，重点介绍了用于分析的理论模型的最新改进。特别地，提出了一种新的方法来修正质子束与LiF晶体的角度不对准所引起的系统误差分析。

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Energy diagnostics of the TOP-IMPLART linac proton beam via radiophotoluminescence of color centers in lithium fluoride

Lithium fluoride crystals have been routinely employed as passive radiation detectors based on radiophotoluminescence to assess the energy characteristics of the TOP-IMPLART linac proton beam during commissioning. This is achieved by leveraging their capability to record full Bragg curves through the stable formation of visible-light-emitting color centers in the LiF crystal lattice due to interactions with incoming protons. Here, a brief overview of the current state of this simple and powerful energy diagnostics method is presented, focusing on the latest improvements made to the theoretical model used for analysis. In particular, a new method to correct the analysis for systematic errors introduced by angular misalignment between the proton beam and the LiF crystal is presented.

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来源期刊

Radiation Measurements 工程技术-核科学技术

CiteScore

4.10

自引率

20.00%

发文量

116

审稿时长

48 days

期刊介绍： The journal seeks to publish papers that present advances in the following areas: spontaneous and stimulated luminescence (including scintillating materials, thermoluminescence, and optically stimulated luminescence); electron spin resonance of natural and synthetic materials; the physics, design and performance of radiation measurements (including computational modelling such as electronic transport simulations); the novel basic aspects of radiation measurement in medical physics. Studies of energy-transfer phenomena, track physics and microdosimetry are also of interest to the journal. Applications relevant to the journal, particularly where they present novel detection techniques, novel analytical approaches or novel materials, include: personal dosimetry (including dosimetric quantities, active/electronic and passive monitoring techniques for photon, neutron and charged-particle exposures); environmental dosimetry (including methodological advances and predictive models related to radon, but generally excluding local survey results of radon where the main aim is to establish the radiation risk to populations); cosmic and high-energy radiation measurements (including dosimetry, space radiation effects, and single event upsets); dosimetry-based archaeological and Quaternary dating; dosimetry-based approaches to thermochronometry; accident and retrospective dosimetry (including activation detectors), and dosimetry and measurements related to medical applications.