Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms最新文献_第4页

Different widths of resonant lines in the Mössbuaer spectrum as the result of multidimensional Gaussian distribution Mössbuaer谱中共振线宽度不同是多维高斯分布的结果

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-07 DOI: 10.1016/j.nimb.2025.165669

Sergey Yaroslavtsev

引用次数: 0

Study of the energy spectrum of alpha particles in an experiment on irradiation of a boron target with a proton beam at the Prometheus accelerator 普罗米修斯加速器质子束辐照硼靶实验中α粒子能谱的研究

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-07 DOI: 10.1016/j.nimb.2025.165651

A.S. Rusetskii, M.A. Negodaev, A.V. Oginov, V.A. Ryabov, K.V. Shpakov, A.E. Shemyakov, I.N. Zavestovskaya

{"title":"Study of the energy spectrum of alpha particles in an experiment on irradiation of a boron target with a proton beam at the Prometheus accelerator","authors":"A.S. Rusetskii, M.A. Negodaev, A.V. Oginov, V.A. Ryabov, K.V. Shpakov, A.E. Shemyakov, I.N. Zavestovskaya","doi":"10.1016/j.nimb.2025.165651","DOIUrl":"10.1016/j.nimb.2025.165651","url":null,"abstract":"<div><div>The energy spectrum of alpha particles from the nuclear reaction p + <sup>11</sup>B <span><math><mrow><mo>→</mo><mn>3</mn><mi>α</mi></mrow></math></span> was studied using the beam of the injector of the proton synchrotron of the Prometheus proton therapy complex. The reaction products (alpha particles) were recorded using a CR-39 track detector. The detectors were calibrated using a <sup>241</sup>Am radioactive source. It was determined that mainly alpha particles emitted from the boron target have energies from 3 to 5.5 MeV. In this case, a significant part of the alpha particles emitted from the depths of the target have significantly lower energies compared to the calculated ones due to ionization losses. Measuring the energy spectrum of alpha particles from targets containing boron is of great scientific and practical interest for identifying the mechanisms of boron–proton capture therapy and determining the additional contribution to the therapeutic effect of proton irradiation.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165651"},"PeriodicalIF":1.4,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143562567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Neutron depth profiling extended with PIXE element analysis 中子深度剖面扩展了PIXE元素分析

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-06 DOI: 10.1016/j.nimb.2025.165672

Vasil Hlinka, Ibrahim Oksuz, R. Gregory Downing

引用次数: 0

Coupled radiation effects of swift heavy ions and strong electromagnetic pulses on a SiGe HBT: A TCAD-based simulation 快速重离子与强电磁脉冲耦合辐射对SiGe HBT的影响：基于tcad的模拟

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-05 DOI: 10.1016/j.nimb.2025.165673

Tian Xing , Shuhuan Liu , Xuan Wang , Mathew Adefusika Adekoya , Chao Wang , Junye Zhou , Wei Chen

{"title":"Coupled radiation effects of swift heavy ions and strong electromagnetic pulses on a SiGe HBT: A TCAD-based simulation","authors":"Tian Xing , Shuhuan Liu , Xuan Wang , Mathew Adefusika Adekoya , Chao Wang , Junye Zhou , Wei Chen","doi":"10.1016/j.nimb.2025.165673","DOIUrl":"10.1016/j.nimb.2025.165673","url":null,"abstract":"<div><div>Silicon germanium (SiGe) heterogeneous bipolar transistors (HBTs) in radio-frequency front-end low-noise amplifiers may confront a joint attack from swift heavy ions (SHIs) and strong electromagnetic pluses (EMPs) in complex nuclear and electromagnetic radiation circumstances. Herein, the coupled radiation effects of SHIs and strong EMPs on a SiGe HBT were investigated based on TCAD simulations. The results showed that the simultaneous impact originating from the SHIs and the EMPs could render the SiGe HBT more vulnerable than the impact of either factor alone. As the SHIs and the EMPs acted on the SiGe HBT simultaneously, the thermal effects of the base region were predominant and could finally cause damage to the device. The electron-hole pairs injected by the SHIs increased the lattice temperature and aggravated the thermal burnout dominated by the EMPs. This work may facilitate research on radiation effects of SiGe HBTs in the complex nuclear and electromagnetic radiation environment.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165673"},"PeriodicalIF":1.4,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143551143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analytical investigation of biological response of different tissues to proton beam radiation using phenomenological and biophysical models 利用现象学和生物物理模型分析研究不同组织对质子束辐射的生物反应

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-04 DOI: 10.1016/j.nimb.2025.165667

H. Taghipour , S.M. Motevalli , P. Taherparvar

{"title":"Analytical investigation of biological response of different tissues to proton beam radiation using phenomenological and biophysical models","authors":"H. Taghipour , S.M. Motevalli , P. Taherparvar","doi":"10.1016/j.nimb.2025.165667","DOIUrl":"10.1016/j.nimb.2025.165667","url":null,"abstract":"<div><div>In particle radiation therapy, the relative biological effectiveness (RBE) is used to evaluate the biological response of human tissues exposed to radiation. The microdosimetric approach may well determine the distribution of RBE-weighted doses of charged particle beams based on dose-mean specific energy with constant innovations and modifications. In this study, the results obtained from the biophysical model (such as the microdosimetric kinetic model (MKM)) with the determined domain size (r<sub>d</sub>) have been compared to phenomenological models (such as the Wedenberg, Carabe, and McNamara models) which do not consider variable domain size. The α (linear term of the cell survival curve) and D<sub>10</sub> (dose value at 10% cell survival fraction) quantities variations as a function of particle linear energy transfer (LET) have been analyzed using different RBE models based on animal cell lines, and human cancer cell lines such as human salivary gland (HSG) and glioma, together with the corresponding experimental data. Besides, the impact of variations in prescribed biological dose on the spread-out Bragg peaks (SOBP) calculated by applying the MKM using various cell lines is indicated. The findings show that the D<sub>10</sub> and α parameters estimated applying the <span><math><mrow><msubsup><mi>Z</mi><mrow><mn>1</mn><mi>D</mi></mrow><mrow><mo>∗</mo></mrow></msubsup></mrow></math></span>-based MKM adapt better to the published experimental datasets than those applying the LET-based phenomenological models. The MKM calculations based on microdosimetric specific energy at the treatment planning system (TPS) can be well used to predict the physical and biological properties of heavy-ion beams.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165667"},"PeriodicalIF":1.4,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143534636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fabrication and validation of new tissue equivalent heterogeneous composite materials as neonatal and pediatric cranial bone substitutes in diagnostic radiology 新型组织等效异质复合材料在诊断放射学中作为新生儿和儿童颅骨替代品的制备和验证

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-04 DOI: 10.1016/j.nimb.2025.165671

H. Sekkat , A. Khallouqi , A. Halimi , O.El Rhazouani

{"title":"Fabrication and validation of new tissue equivalent heterogeneous composite materials as neonatal and pediatric cranial bone substitutes in diagnostic radiology","authors":"H. Sekkat , A. Khallouqi , A. Halimi , O.El Rhazouani","doi":"10.1016/j.nimb.2025.165671","DOIUrl":"10.1016/j.nimb.2025.165671","url":null,"abstract":"<div><div>This study explores the development of heterogeneous composite materials as pediatric cranial bone substitutes by incorporating sodium bicarbonate and calcium carbonate within an epoxy resin matrix. The aim was to tailor the material’s radiation interaction properties for various pediatric age groups. The fabrication involved mixing specific percentages of fillers for uniform dispersion in epoxy resin, followed by curing. Monte Carlo simulations evaluated the materials’ attenuation properties, revealing varying percent differences in mass attenuation compared to ICRU-reported values of compact and cortical bones. For infant bone material, the differences averaged 34.3 % and 37.5 %, while those for children aged 1–5 years were 13.4 % and 19.3 %, and for children over 5 years, 5.96 % and 12.8 %. Hounsfield Unit values ranged from 576 ± 30 for infants to 952 ± 18 for children aged 10–15 years. Good agreement was demonstrated with pediatric bone tissues, showing the composite’s potential for mimicking pediatric cranial bone.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"563 ","pages":"Article 165671"},"PeriodicalIF":1.4,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143551144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

L-subshell production cross sections of Lu and Hf by 10 keV-30 keV electron bombardment 10kv - 30kev电子轰击Lu和Hf的l -亚壳生成截面

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-03-01 DOI: 10.1016/j.nimb.2025.165668

J.L. Zhao , Z. An , J.J. Zhu , H. Huang , W.J. Tan , M.T. Liu , S. Bai , J.L. Lai , X.T. Wang

{"title":"L-subshell production cross sections of Lu and Hf by 10 keV-30 keV electron bombardment","authors":"J.L. Zhao , Z. An , J.J. Zhu , H. Huang , W.J. Tan , M.T. Liu , S. Bai , J.L. Lai , X.T. Wang","doi":"10.1016/j.nimb.2025.165668","DOIUrl":"10.1016/j.nimb.2025.165668","url":null,"abstract":"<div><div>The L-subshell X-ray production cross sections (XRPCSs) were measured for the heavy elements Lu (Z = 71) and Hf (Z = 72) induced by the bombardment of single-energy electron beams of 10 keV-30 keV. The generated X-ray spectra from the thin targets with thick carbon substrates were collected using a silicon drift detector. Corrections for excess X-rays, arising from electron multiple scattering, bremsstrahlung and backscattered electrons from the thick substrates, were performed using Monte Carlo simulations. The experimental results were compared with theoretical values based on the distorted-wave Born approximations and two sets of atomic relaxation parameters. Overall, the experimental XRPCSs of Lu and Hf are closer to the theoretical values based on the fluorescence yields and Coster-Kroning probabilities from Dirac-Hartree-Slater (DHS) calculations and emission rates from Dirac-Fock (DF) calculations within the experimental and theoretical uncertainties in the entire incident electron energy region.</div></div>","PeriodicalId":19380,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms","volume":"562 ","pages":"Article 165668"},"PeriodicalIF":1.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143519256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An approximate analytical formula for 3D dose deposition in water by a Gaussian proton beam 高斯质子束在水中三维剂量沉积的近似解析公式

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-02-27 DOI: 10.1016/j.nimb.2025.165653

E. Nichelatti , C. Ronsivalle

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Determination of the natTi(d,x)49V excitation function by liquid scintillation analysis 液体闪烁法测定natTi(d,x)49V激发函数

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-02-27 DOI: 10.1016/j.nimb.2025.165652

C.R. Kleinfeldt , V.S. Bodnar , S.D. Essenmacher , A.M. Miller , G.M. Brown , G.F. Peaslee , G.W. Severin

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Differential cross section measurement of the reactions 16O(d, p0,1)17O for Nuclear Reaction Analysis (NRA) 核反应分析（NRA）中反应16O(d, p0,1)17O的微分截面测量

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-02-19 DOI: 10.1016/j.nimb.2025.165648

R. Ghasemi , A. Ramazani-Moghaddam-Arani , O. Kakuee , A. Ziagkova

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