Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment最新文献_第7页

The ATLAS RPC Phase II upgrade for High Luminosity LHC era 高亮度LHC时代的ATLAS RPC第二阶段升级

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-25 DOI: 10.1016/j.nima.2025.170955

G. Falsetti , on behalf of the ATLAS Muon Collaboration

引用次数: 0

Picosec R&D towards Muon Collider applications μ介子对撞机应用的皮sec研发

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-25 DOI: 10.1016/j.nima.2025.170963

C. Aimè , M. Brunoldi , S. Calzaferri , D. Fiorina , C. Riccardi , P. Salvini , I. Vai , P. Vitulo , endorsed by the International Muon Collider Collaboration and the Picosec Micromegas Collaboration

{"title":"Picosec R&D towards Muon Collider applications","authors":"C. Aimè , M. Brunoldi , S. Calzaferri , D. Fiorina , C. Riccardi , P. Salvini , I. Vai , P. Vitulo , endorsed by the International Muon Collider Collaboration and the Picosec Micromegas Collaboration","doi":"10.1016/j.nima.2025.170963","DOIUrl":"10.1016/j.nima.2025.170963","url":null,"abstract":"<div><div>The Muon Collider represents a possible breakthrough in the high energy physics field, thanks to its potential of discovery in the multi <span><math><mstyle><mi>T</mi><mi>e</mi><mi>V</mi></mstyle></math></span> energy range, and to its possibility to do precision measurements due to the clean collision environment from the quantum chromodynamics background. Nevertheless, muons decays in <span><math><mrow><mn>2</mn><mo>.</mo><mn>2</mn><mspace></mspace><mstyle><mi>µ</mi><mi>s</mi></mstyle></mrow></math></span>, producing a source of background directly and indirectly by the interaction with the surrounding materials. To cope with this so-called Beam Induced Background, a proposed solution exploits a precise-timing MicroPattern Gaseous Detector called Picosec to tag <span><math><mi>μ</mi></math></span> in the muon spectrometer. Picosec is a detector based on the Micromegas technology, that can reach exceptional performance in terms of time resolution, up to tens of picoseconds. However, its components need to be optimized to make the detector suitable for large experiments. In this study, recent results obtained regarding the optimization of a key component such as the photocathode will be presented. On the other hand, the standard gas mixture, made with environmentally unfriendly gases, needs to be addressed. In the following, the research regarding alternative mixtures will be presented. In the conclusion, a brief overview of some of the future R&D activities that are foreseen will be provided.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170963"},"PeriodicalIF":1.4,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144917029","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

A new monolithic proportional gas detector with a micro-gap electron multiplier structure directly integrated on top of a finely pixelated readout ASIC 一种新型的单片比例气体探测器，其微间隙电子倍增器结构直接集成在精细像素读出ASIC之上

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-24 DOI: 10.1016/j.nima.2025.170967

C. Sgrò , L. Baldini , R. Bellazzini , A. Brez , M. Ceccanti , L. Latronico , L. Lucchesi , A. Manfreda , M. Minuti , L. Orsini , M. Pesce-Rollins , M. Pinchera , A. Profeti , G. Spandre

{"title":"A new monolithic proportional gas detector with a micro-gap electron multiplier structure directly integrated on top of a finely pixelated readout ASIC","authors":"C. Sgrò , L. Baldini , R. Bellazzini , A. Brez , M. Ceccanti , L. Latronico , L. Lucchesi , A. Manfreda , M. Minuti , L. Orsini , M. Pesce-Rollins , M. Pinchera , A. Profeti , G. Spandre","doi":"10.1016/j.nima.2025.170967","DOIUrl":"10.1016/j.nima.2025.170967","url":null,"abstract":"<div><div>We describe the design and preliminary test of a new generation of Gas Pixel Detector where the amplification structure is built directly on top of a CMOS ASIC. In this concept the chip works at the same time as readout electronics, collection plane and electron multiplication structure. We use an ASIC from the XPOL family, successfully operating on-board the IXPE polarimetric and imaging space telescope. It comprises 100k <span><math><mrow><mn>50</mn><mspace></mspace><mi>μ</mi><mi>m</mi></mrow></math></span> pitch hexagonal pixels and a large area analog readout, combined with a very fine pitch 1-D or 2-D gas proportional charge amplifying structure based on the concept of the micro-gap chamber. The charge multiplier is built directly on the uppermost metal layer of the chip, i.e. on the metal pads which act as the charge collecting electrodes each connected to the input stage of their respective individual pre-amplifier. This is achieved by adding two thin (about <span><math><mrow><mn>2</mn><mspace></mspace><mi>μ</mi><mi>m</mi></mrow></math></span> thick) finely patterned layers, one insulator and one metal, as a post-processing micro-fabrication step. These three layers together constitute the anode-cathode gap of a micro-gap like charge multiplication structure. The goal is to exploit the intrinsic sub-micron precision of the process and the extremely small exposed dielectric material to improve the compactness, space and energy response uniformity and the gain stability over time. Preliminary tests validating this concept are discussed in this paper.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170967"},"PeriodicalIF":1.4,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144917030","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

Production and characterization of the sensor matrices for the Mu3e Tile detector Mu3e瓷砖探测器传感器矩阵的制备与表征

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-24 DOI: 10.1016/j.nima.2025.170959

E. Nazarova, K. Briggl, J. Küpperbusch, H.-C. Schultz-Coulon, V. Stankova, E. Steinkamp

{"title":"Production and characterization of the sensor matrices for the Mu3e Tile detector","authors":"E. Nazarova, K. Briggl, J. Küpperbusch, H.-C. Schultz-Coulon, V. Stankova, E. Steinkamp","doi":"10.1016/j.nima.2025.170959","DOIUrl":"10.1016/j.nima.2025.170959","url":null,"abstract":"<div><div>The goal of the Mu3e experiment at the Paul Scherrer Institute (PSI, Switzerland) is to search for the rare charged-lepton flavor-violating decay <span><math><mrow><msup><mrow><mi>μ</mi></mrow><mrow><mo>+</mo></mrow></msup><mo>→</mo><msup><mrow><mi>e</mi></mrow><mrow><mo>+</mo></mrow></msup><msup><mrow><mi>e</mi></mrow><mrow><mo>+</mo></mrow></msup><msup><mrow><mi>e</mi></mrow><mrow><mo>−</mo></mrow></msup></mrow></math></span>, the observation of which would be an unambigous sign of physics beyond the Standard Model. Aiming for an ultimate sensitivity of O(<span><math><mrow><mn>1</mn><msup><mrow><mn>0</mn></mrow><mrow><mo>−</mo><mn>16</mn></mrow></msup></mrow></math></span>), Mu3e has the potential to improve upon previous searches by up to four orders of magnitude. The scintillating tile detector is one of two timing systems for the Mu3e experiment. The detector consists of two stations shaped as hollow cylinders enclosing the beam pipe and is realized in a modular concept. The base unit of the tile detector is a sensor matrix consisting of 4 × 4 scintillating tiles and silicon photo-multipliers (SiPMs) mounted on a printed circuit board which connects the matrix to the readout electronics. We present the developed procedures for producing and assembling the individual detector components, along with the specialized tools used to wrap the scintillating tiles into laser-cut ESR foil and to glue the tiles onto the SiPM matrices. Furthermore, the SiPM matrix characterization, including the measurement of basic parameters like breakdown voltage, gain and dark noise, as well as the quality assurance process of the fully assembled tile matrices are presented. Finally, commissioning of the first assembled tile detector modules is discussed.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170959"},"PeriodicalIF":1.4,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144920128","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

Establishment of the electron identification system for vector meson measurement at J-PARC J-PARC矢量介子测量电子识别系统的建立

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-24 DOI: 10.1016/j.nima.2025.170956

Satomi Nakasuga , Kazuya Aoki , Yoki Aramaki , Sakiko Ashikaga , Wen-Chen Chang , Ren Ejima , Hideto En’yo , Yusuke Hori , Masaya Ichikawa , Daichi Ishii , Jo Kakunaga , Koki Kanno , Yuhei Morino , Hikari Murakami , Tomoki Murakami , Shunnosuke Nagafusa , Wataru Nakai , Megumi Naruki , Naoki Ogata , Makoto Ogura , Satoshi Yokkaichi

{"title":"Establishment of the electron identification system for vector meson measurement at J-PARC","authors":"Satomi Nakasuga , Kazuya Aoki , Yoki Aramaki , Sakiko Ashikaga , Wen-Chen Chang , Ren Ejima , Hideto En’yo , Yusuke Hori , Masaya Ichikawa , Daichi Ishii , Jo Kakunaga , Koki Kanno , Yuhei Morino , Hikari Murakami , Tomoki Murakami , Shunnosuke Nagafusa , Wataru Nakai , Megumi Naruki , Naoki Ogata , Makoto Ogura , Satoshi Yokkaichi","doi":"10.1016/j.nima.2025.170956","DOIUrl":"10.1016/j.nima.2025.170956","url":null,"abstract":"<div><div>Electron pairs from light vector mesons have been measured to study the chiral symmetry restoration in hot and dense matter. The J-PARC E16 experiment aims to measure the di-electron decays of vector mesons, in particular <span><math><mi>ϕ</mi></math></span> mesons, with the world’s highest statistics to investigate their mass spectrum in nuclei. We developed two-stage electron identification detectors, consisting of a lead-glass electromagnetic calorimeter and a gas Cherenkov detector equipped with GEMs, called a hadron blind detector. In June 2024, we completed all planned commissioning runs with a full detector acceptance for the first physics run. We have succeeded in obtaining a clear energy–momentum correlation of the electron and positron tracks, demonstrating the establishment of the electron identification technique in a high-rate environment.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170956"},"PeriodicalIF":1.4,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144917031","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

HRPPD photosensors for RICH detectors with a high resolution timing capability 用于RICH探测器的HRPPD光传感器，具有高分辨率定时能力

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-24 DOI: 10.1016/j.nima.2025.170964

A.V. Lyashenko , J. Agarwala , A. Asaturyan , M. Aviles , B. Azmoun , C. Chatterjee , S.M. Clarke , S. Cwik , C.J. Hamel , Y. Jin , A. Kiselev , M.J. Minot , B. Page , M.A. Popecki , M. Purschke , S. Stoll , C. Woody

{"title":"HRPPD photosensors for RICH detectors with a high resolution timing capability","authors":"A.V. Lyashenko , J. Agarwala , A. Asaturyan , M. Aviles , B. Azmoun , C. Chatterjee , S.M. Clarke , S. Cwik , C.J. Hamel , Y. Jin , A. Kiselev , M.J. Minot , B. Page , M.A. Popecki , M. Purschke , S. Stoll , C. Woody","doi":"10.1016/j.nima.2025.170964","DOIUrl":"10.1016/j.nima.2025.170964","url":null,"abstract":"<div><div>Recently, a new version of DC-coupled High Rate Picosecond Photodetectors (DC-HRPPDs) substantially re-designed for use at the Electron-Ion Collider (EIC) has been developed. A first batch of seven “EIC HRPPDs” was manufactured in early 2024. These HRPPDs are DC-coupled photosensors based on Micro-Channel Plates (MCPs) that have an active area of 104 mm by 104 mm, 32 × 32 direct readout pixel array at a pitch of 3.25 mm, peak quantum efficiency in excess of 30%, exceptionally low dark count rates and timing resolution of 15–20 ps for a single photon detection. As such, these photosensors are very well suited for Ring Imaging CHerenkov (RICH) detectors that can also provide high resolution timing capability, especially in a configuration where a detected charged particle passes through the sensor window, which produces a localized flash containing a few dozens of Cherenkov photons in it.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170964"},"PeriodicalIF":1.4,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144913212","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

Annihilation vertex reconstruction algorithm with single-layer Timepix4 detectors 基于单层Timepix4检测器的湮灭顶点重建算法

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-23 DOI: 10.1016/j.nima.2025.170958

V. Kraxberger , A. Gligorova , E. Widmann

{"title":"Annihilation vertex reconstruction algorithm with single-layer Timepix4 detectors","authors":"V. Kraxberger , A. Gligorova , E. Widmann","doi":"10.1016/j.nima.2025.170958","DOIUrl":"10.1016/j.nima.2025.170958","url":null,"abstract":"<div><div>A study of antiproton–nucleus annihilations at rest on a variety of thin solid targets using slow extracted antiprotons is being prepared. To detect the charged annihilation products, the experiment will employ seven Timepix4 ASICs coupled to 500µm thick silicon sensors. These will be arranged in a cuboid geometry that covers the majority of the full solid angle around the target, enabling precise tracking of outgoing particles using only one layer of detectors. With these novel chips, the annihilation will be studied by measuring the total multiplicity, energy, and angular distribution of various prongs produced in a number of targets.</div><div>A 3D reconstruction algorithm for determining the annihilation vertex from particle tracks in the single-plane detectors has been developed using Monte Carlo simulations. This allows for event-by-event reconstruction, making it possible to distinguish antiproton annihilations on the target from those occurring elsewhere. The measurements will also enable a study of possible final state interactions triggered by the primary annihilation mesons, their evolution with the nuclear mass and their branching ratios.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170958"},"PeriodicalIF":1.4,"publicationDate":"2025-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144896239","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

Performance and shower shape studies with EPICAL-2 EPICAL-2的性能和淋浴形状研究

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-23 DOI: 10.1016/j.nima.2025.170954

J. Keul , J. Alme , R. Barthel , V. Borshchov , R. Bosley , A. van den Brink , H. Büsching , O.S. Groettvik , T. Peitzmann , F. Pliquett , M. Protsenko , K. Røed , T.S. Rogoschinski , D. Röhrich , M.J. Rossewij , J. Schöngarth , E.H. Solheim , N.B. Sundstrom , I. Tymchuk , K. Ullaland , H. Yokoyama

{"title":"Performance and shower shape studies with EPICAL-2","authors":"J. Keul , J. Alme , R. Barthel , V. Borshchov , R. Bosley , A. van den Brink , H. Büsching , O.S. Groettvik , T. Peitzmann , F. Pliquett , M. Protsenko , K. Røed , T.S. Rogoschinski , D. Röhrich , M.J. Rossewij , J. Schöngarth , E.H. Solheim , N.B. Sundstrom , I. Tymchuk , K. Ullaland , H. Yokoyama","doi":"10.1016/j.nima.2025.170954","DOIUrl":"10.1016/j.nima.2025.170954","url":null,"abstract":"<div><div>A prototype of a novel digital electromagnetic calorimeter, EPICAL-2, has been developed. The R&D is performed in the context of the ALICE-FoCal and is closely related to studies of imaging in proton CT. Digital calorimetry also proves promising for future collider projects such as EIC, ILC, CLIC, or FCC. Based on a proof-of-principle with a first prototype, EPICAL-2 has been constructed as an advanced second prototype. EPICAL-2 consists of 24 layers with alternating tungsten absorbers and ALPIDE MAPS. The design features an active area of approximately <span><math><mrow><mn>27</mn><mspace></mspace><mi>x</mi><mspace></mspace><mn>30</mn><mspace></mspace><msup><mrow><mi>mm</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></math></span> and a depth of 20 radiation lengths, totaling over 25 million pixels. EPICAL-2 test-beam measurements were performed at DESY in February 2020 and CERN-SPS in September 2021. Simulations of the EPICAL-2 detector have been carried out with the Allpix<span><math><msup><mrow></mrow><mrow><mn>2</mn></mrow></msup></math></span> framework. Performance studies with EPICAL-2 show promising energy response and resolution. Beyond its main calorimetric abilities, EPICAL-2 allows for detailed shower shape studies. Measurements of the longitudinal and lateral shower shape and the Molière radius have been carried out, indicating strong shower separation power of the EPICAL-2’s design.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170954"},"PeriodicalIF":1.4,"publicationDate":"2025-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144917028","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

Polycapillary optics based enhancement of X-ray imaging in phase contrast tomography 基于多毛细光学的x射线相衬断层成像增强

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-23 DOI: 10.1016/j.nima.2025.170980

Alessandra Maia Marques Martinez Perez , Dariush Hampai , Federico Galdenzi , Alfredo di Filippo , Emilio Capitolo , Sultan B. Dabagov

{"title":"Polycapillary optics based enhancement of X-ray imaging in phase contrast tomography","authors":"Alessandra Maia Marques Martinez Perez , Dariush Hampai , Federico Galdenzi , Alfredo di Filippo , Emilio Capitolo , Sultan B. Dabagov","doi":"10.1016/j.nima.2025.170980","DOIUrl":"10.1016/j.nima.2025.170980","url":null,"abstract":"<div><div>As known X-ray imaging is typically based on the use of attenuation features of radiation in media. For low attenuating materials and samples of similar absorption characteristics, X-ray phase contrast imaging (XPCI), based on the phase shift experienced by X-rays when traversing matter, can be utilized. XPCI, however, is allowed for coherent X-ray sources (at least, partial coherence is needed), the most available of them is known as synchrotron radiation. Another possible solution is postulated by using polychromatic X-ray microfocus sources. In this study, propagation-based phase contrast imaging and tomography were performed using a laboratory X-ray system, the Computed Tomography Station (CTS), installed at XLab-Frascati. This desktop setup is composed of a microfocus source, a CCD detector and a fine rotation stage. Moreover, imaging experiments employing polycapillary optics (polyCO) were performed. Even though phase analysis has already been done for other types of optics, these represent pioneering results comparing phase contrast tomography with and without polyCO. Preliminary results obtained have proved the high potentiality of polyCO systems in the enhancement of the image quality at phase-contrast tomographic studies.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170980"},"PeriodicalIF":1.4,"publicationDate":"2025-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144896240","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

Design of high-strength, radiopure copper–chromium alloys for rare-event searches assisted by computational thermodynamics 基于计算热力学的高强度、放射性铜铬合金的稀有事件搜索设计

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-08-23 DOI: 10.1016/j.nima.2025.170970

D. Spathara

{"title":"Design of high-strength, radiopure copper–chromium alloys for rare-event searches assisted by computational thermodynamics","authors":"D. Spathara","doi":"10.1016/j.nima.2025.170970","DOIUrl":"10.1016/j.nima.2025.170970","url":null,"abstract":"<div><div>Direct Dark Matter detection and studies on the nature of neutrinos demand detector systems with extremely low background levels, including from radioactivity. Additive-free, electroformed copper, in addition to a set of advantages, exhibits exceptional radiopurity, making it the material of choice for mechanical and structural components for rare-event searches experiments. To satisfy the increasing demand for materials with superior mechanical strength, the development of copper–chromium alloys is pursued. Early investigations explored the synthesis of these alloys by electrodeposition and thermal processing. A materials-design approach is proposed to optimize the fabrication and thermal processing stages of manufacturing. It is assisted by materials modeling tools based on the thermodynamic and kinetic properties of alloy compositions, which enables faster development of novel materials by predicting properties and materials performance. This approach is demonstrated by comparing simulations with previously reported experimental investigations and proposing improved thermal processing.</div></div>","PeriodicalId":19359,"journal":{"name":"Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment","volume":"1082 ","pages":"Article 170970"},"PeriodicalIF":1.4,"publicationDate":"2025-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144917027","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