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materials Today Catalysis 2023年 3卷

作者： Qin, Xiaoyun Yang, Meiyan Yin, Peijun Shi, Xiangdong Chen, Fenghua Gui, Yanghai Zhao, Jianbo Jiang, Liying Luo, Dan School of Material and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou450002 China CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and Sensor Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing China State Key Laboratory of Heavy Oil Processing Institute of New Energy Beijing Key Laboratory of Biogas Upgrading Utilization China University of Petroleum Beijing Beijing102249 China School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun China School of Electrical and Information Engineering Zhengzhou University of Light Industry Zhengzhou China

The development of functional materials for catalysis applications is a continuing issue, particularly in aqueous-phase catalysis. The creation of inexpensive catalysts with improved catalytic activity is still difficult. In this study, the hollow structured Cu nanospheres decorated on the reduced graphene oxide sheets (h-CuNS/rGO) nanocomposites were successfully prepared and applied in the catalytic reduction of p-nitrophenol (p-NP) in water using sodium borohydride as the reducing agent to obtain industrially useful p-aminophenol (p-AP) within a short time. The structure and morphology of h-CuNS/rGO were studied in order to get a full knowledge of the mechanism underlying the creation of its distinctive hollow structure. In the reduction of p-NP, the h-CuNS/rGO demonstrated significant catalytic activity and reusability. The catalytic hydrogenation mechanism on the surface of h-CuNS/rGO was shown to exhibit a synergistic effect between the catalytic h-CuNS and the supporting rGO. The hollow structure, abundant oxygen vacancies as well as the supported rGO worked together to enhance the catalytic activity during p-NP reduction. Therefore, this work proposes a strategy for the simple synthesis of nanocatalyst with high catalytic performance, which endows the potential applications including catalysis. © 2023 The Authors

关键词： Reusability

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Magnetic plasmon resonances in nanostructured topological insulators for strongly enhanced light-MoS_(2) interactions

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Light(Science & Applications) 2020年第1期9卷 155-164页

作者： Hua Lu Zengji Yue Yangwu Li Yinan Zhang Mingwen Zhang Wei Zeng Xuetao Gan Dong Mao Fajun Xiao Ting Mei Weiyao Zhao Xiaolin Wang Min Gu Jianlin Zhao MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions and Shaanxi Key Laboratory of Optical Information TechnologySchool of Physical Science and TechnologyNorthwestern Polytechnical University710129 Xi’anChina Institute for Superconducting&Electronic Materials and ARC Centre of Excellence in Future Low-Energy Electronics University of WollongongNorth WollongongNSW 2500Australia Center for Artificial-Intelligence Nanophotonics School of Optical-Electrical and Computer EngineeringUniversity of Shanghai for Science and Technology200093 ShanghaiChina Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications Institute of Photonics TechnologyJinan University510632 GuangzhouChina State Key Laboratory of Solidification Processing School of Materials Science and EngineeringNorthwestern Polytechnical University710072 Xi’anChina

Magnetic resonances not only play crucial roles in artificial magnetic materials but also offer a promising way for light control and interaction with ***,magnetic resonance effects have attracted special attention in plasmonic systems for overcoming magnetic response saturation at high frequencies and realizing high-performance optical *** novel states of matter,topological insulators(TIs)present topologically protected conducting surfaces and insulating bulks in a broad optical range,providing new building blocks for ***,until now,high-frequency(*** range)magnetic resonances and related applications have not been demonstrated in TI ***,we report for the first time,to our knowledge,a kind of visible range magnetic plasmon resonances(MPRs)in TI structures composed of nanofabricated Sb_(2)Te_(3) *** experimental results show that the MPR response can be tailored by adjusting the nanogroove height,width,and pitch,which agrees well with the simulations and theoretical ***,we innovatively integrated monolayer MoS_(2) onto a TI nanostructure and observed strongly reinforced light-MoS_(2) interactions induced by a significant MPR-induced electric field enhancement,remarkable compared with TI-based electric plasmon resonances(EPRs).The MoS_(2) photoluminescence can be flexibly tuned by controlling the incident light *** results enrich TI optical physics and applications in highly efficient optical functionalities as well as artificial magnetic materials at high frequencies.

关键词： topological resonance visible

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Use of metal mesh to assist the multi-phase reaction in a microreactor

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IOP Conference Series: materials Science and Engineering 2020年第1期778卷

作者： P Charoenpong V Pavarajarn Center of Excellence in Particle and Material Processing Technology Department of Chemical Engineering Chulalongkorn University Bangkok Thailand

Glycerol is a by-product from biodiesel production. Glycerol can be further converted to glycerol carbonate by several reaction routes. One of the feasible routes that have been generally reported is the reaction between glycerol and urea, while ammonia gas is generated as one of byproducts. The reaction generally requires a heterogeneous catalyst, which causes mass transfer problem. Most researchers have applied this reaction in batch, continuous-stirred tank, or fixed bed reactors, in which the external mass transfer resistance is still dominant. Due to many advantages of microreactor including high surface area-to-volume ratio, short diffusion distance, small mass and heat transfer resistances, applying the microreactor can solve the problems and enhance the reaction, Therefore, in this work, microreactor was utilized in the production of glycerol carbonate from glycerol and urea, which one side of microchannel wall was coated by commercial catalyst. In addition, Metal mesh sheet with pores is used to separate ammonia gas from the reaction. This research studies the effect of residence time, microchannel thickness, shear stress of reactants and a quantity of generated gas on a catalyst slipping, and also investigates the effect of metal mesh size on yield of glycerol carbonate from reaction in microreactor.

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Design and assessment of biolubricant production processes utilizing various feedstocks in palm oil-based biodiesel industry

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Journal of Cleaner Production 2025年 518卷

作者： Thanahiranya, Piyawan Sadhukhan, Jhuma Charoensuppanimit, Pongtorn Vacharanukrauh, Treerat Chuetor, Santi Chanthanumataporn, Merika Assabumrungrat, Suttichai Center of Excellence in Catalysis and Catalytic Reaction Engineering Department of Chemical Engineering Faculty of Engineering Chulalongkorn University Bangkok 10330 Thailand Centre for Environment & Sustainability University of Surrey Guildford Surrey GU2 7XH United Kingdom Department of Chemical and Process Engineering University of Surrey Guildford Surrey GU2 7XH United Kingdom Bio-Circular-Green-economy Technology & Engineering Center (BCGeTEC) Department of Chemical Engineering Faculty of Engineering Chulalongkorn University Bangkok 10330 Thailand Center of Excellence in Particle and Material Processing Technology Department of Chemical Engineering Faculty of Engineering Chulalongkorn University Bangkok 10330 Thailand Department of Chemical Engineering Faculty of Engineering King Mongkut's University of Technology North Bangkok (KMUTNB) Bangkok 10800 Thailand Center of Eco-Materials and Cleaner Technology King Mongkut's University of Technology North Bangkok Bangkok 10800 Thailand

Exploring biolubricant production from renewable resources offers a promising path towards sustainability. Various palm oil derivatives present readily available and versatile feedstocks for biolubricant production. This study investigates the design and evaluation of biolubricant production, specifically trimethylolpropane esters, from various palm oil-based feedstocks derived from the biodiesel industry. The aim is to identify the most suitable feedstock for sustainable biolubricant production. Six feedstocks are evaluated, namely fatty acid methyl esters (FAME), high oleic FAME (HOFAME), palm fatty acid distillate (PFAD), high oleic PFAD (HOPFAD), refined palm oil (RPO), and high oleic palm oil fatty acid (HOPOFA). Economic performance, energy efficiency, and environmental impacts are evaluated and served as process performance indexes. The obtained results based on a biolubricant production capacity of 10,000 tonne per year indicate that HOPFAD is the most suitable feedstock for biolubricant production, demonstrating superior economic viability with a net present value (NPV) of 409 million USD, an internal rate of return (IRR) of 144.6 %, and a payback period (PBP) of 1.81 years. Life cycle assessment results reveal that FAME, HOFAME, PFAD, and HOPFAD provoke similar overall environmental performance, with HOPFAD having only slightly better performance than others. Additionally, the HOPFAD production (6 kg CO2-eq/kg) results in a seven-fold reduction in global warming potential (GWP) compared to conventional mineral oil-based biolubricants. Thus, overall, HOPFAD is recommended for balanced tradeoffs between economic, energy, and environmental performances. © 2025 Elsevier Ltd

关键词： Palm fatty acid distillate Palm oil methyl ester Process simulation Refined palm oil Trimethylolpropane ester

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Influence of Annealing Temperature on Structural Properties and Stability of CsPbBr3/TiO2 Core/Shell

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IOP Conference Series: materials Science and Engineering 2020年第1期965卷

作者： Parina Nuket Tetsuya Kida Paravee Vas-Umnuay Center of Excellence in Particle Technology & Material Processing Department of Chemical Engineering Faculty of Engineering Chulalongkorn University Bangkok 10330 Thailand Division of Materials Science Faculty of Advanced Science and Technology Kumamoto University Kumamoto 860-8555 Japan

Although all-inorganic CsPbBr3 perovskites quantum dots exhibit an excellent photophysical properties, which could be applied in various applications, they still suffer from poor structural stability owing to environment factors. Therefore, TiO2 was coated on the CsPbBr3 QDs as a protecting shell to enhance their stability. Moreover, anatase phase of TiO2 shell was obtained by annealing at more than 300°C due to its most effective electron extraction properties among other crystalline forms of TiO2. However, the CsPbBr3 QDs can be degraded under high temperature. Herein, the annealing temperatures ranging from 300-500°C were optimized to obtain the anatase TiO2 shell and good crystallinity of CsPbBr3 QDs core. The morphology and optical properties of CsPbBr3 QDs, CsPbBr3/TiOx and CsPbBr3/TiO2 were studied by using transmission electron microscope (TEM), photoluminescence (PL) measurement and UV-Visible spectroscopy, respectively. Finally, the CsPbBr3/TiO2 annealed at the optimum temperature was compared with the bare CsPbBr3 QDs to prove the enhancement of their structural stability under ambient air by using X-ray diffraction (XRD).

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Pickering emulsions for cancer: Formulation strategies, functional enhancements, and translational considerations

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International Journal of Pharmaceutics 2025年

作者： Israq Ali Uracha Rungsardthong Ruktanonchai Apinan Soottitantawat Bey Hing Goh Gil Garnier Nicholas M.H. Khong Siah Ying Tang Colloids and Polymers Group Department of Chemical Engineering School of Engineering Monash University Malaysia Jalan Lagoon Selatan 47500 Bandar Sunway Selangor Malaysia National Nanotechnology Center (NANOTEC) National Science and Technology Development Agency (NSTDA) Pathum Thani 12120 Thailand Center of Excellence in Particle and Materials Processing Technology Department of Chemical Engineering Faculty of Engineering Chulalongkorn University 10330 Bangkok Thailand Bio-Circular-Green Economy Technology & Engineering Center BCGeTEC Faculty of Engineering Chulalongkorn University Bangkok 10330 Thailand Sunway Biofunctional Molecules Discovery Centre (SBMDC) School of Medical and Life Sciences Sunway University 5 Jalan Universiti Bandar Sunway 47500 Petaling Jaya Selangor Malaysia College of Pharmaceutical Sciences Zhejiang University 866 Yuhangtang Road Hangzhou 310058 China Bioresource Processing Research Institute of Australia (BioPRIA) Department of Chemical and Biological Engineering Monash University Clayton Victoria 3800 Australia Department of Chemical and Biological Engineering Monash University Clayton Victoria 3800 Australia School of Pharmacy Monash University Malaysia 47500 Bandar Sunway Selangor Darul Ehsan Malaysia

Pickering emulsions (PEs) is a class of emulsions stabilized by solid particles instead of traditional surfactants. Among various applications, PEs have emerged as a promising drug delivery carrier for multiple diseases, including cancer. Through the encapsulation of drug molecules within the dispersed phase or within the interfacial layer, PEs serve as protective shells for pharmaceutical agents during systemic circulations, ensuring enhanced bioavailability. The formulation of PEs is largely centered around designing the emulsion stabilizer, within which stimuli-responsiveness and targeting functionalities can be installed for precise and controlled cancer delivery. This review delves into the considerations for formulating PEs, encompassing the crucial physicochemical properties used to judge emulsion quality and a practical guide to choosing appropriate Pickering stabilizers for oncological applications. We also highlighted recent advancements in using PEs for cancer diagnostics and treatment, focusing on methods, mechanisms, and hurdles to bringing this technology from bench to bedside.

关键词： Pickering emulsion Stimuli-responsive Drug delivery Tumour microenvironment Targeted therapy Cancer

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technology Roadmap for Flexible Sensors

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ACS NANO 2023年第6期17卷 5211-5295页

作者： Luo, Yifei Abidian, Mohammad Reza Ahn, Jong-Hyun Akinwande, Deji Andrews, Anne M. Antonietti, Markus Bao, Zhenan Berggren, Magnus Berkey, Christopher A. Bettinger, Christopher John Chen, Jun Chen, Peng Cheng, Wenlong Cheng, Xu Choi, Seon-Jin Chortos, Alex Dagdeviren, Canan Dauskardt, Reinhold H. Di, Chong-an Dickey, Michael D. Duan, Xiangfeng Facchetti, Antonio Fan, Zhiyong Fang, Yin Feng, Jianyou Feng, Xue Gao, Huajian Gao, Wei Gong, Xiwen Guo, Chuan Fei Guo, Xiaojun Hartel, Martin C. He, Zihan Ho, John S. Hu, Youfan Huang, Qiyao Huang, Yu Huo, Fengwei Hussain, Muhammad M. Javey, Ali Jeong, Unyong Jiang, Chen Jiang, Xingyu Kang, Jiheong Karnaushenko, Daniil Khademhosseini, Ali Kim, Dae-Hyeong Kim, Il-Doo Kireev, Dmitry Kong, Lingxuan Lee, Chengkuo Lee, Nae-Eung Lee, Pooi See Lee, Tae-Woo Li, Fengyu Li, Jinxing Liang, Cuiyuan Lim, Chwee Teck Lin, Yuanjing Lipomi, Darren J. Liu, Jia Liu, Kai Liu, Nan Liu, Ren Liu, Yuxin Liu, Yuxuan Liu, Zhiyuan Liu, Zhuangjian Loh, Xian Jun Lu, Nanshu Lv, Zhisheng Magdassi, Shlomo Malliaras, George G. Matsuhisa, Naoji Nathan, Arokia Niu, Simiao Pan, Jieming Pang, Changhyun Pei, Qibing Peng, Huisheng Qi, Dianpeng Ren, Huaying Rogers, John A. Rowe, Aaron Schmidt, Oliver G. Sekitani, Tsuyoshi Seo, Dae-Gyo Shen, Guozhen Sheng, Xing Shi, Qiongfeng Someya, Takao Song, Yanlin Stavrinidou, Eleni Su, Meng Sun, Xuemei Takei, Kuniharu Tao, Xiao-Ming Tee, Benjamin C. K. Thean, Aaron Voon-Yew Trung, Tran Quang Wan, Changjin Wang, Huiliang Wang, Joseph Wang, Ming Wang, Sihong Wang, Ting Wang, Zhong Lin Weiss, Paul S. Wen, Hanqi Xu, Sheng Xu, Tailin Yan, Hongping Yan, Xuzhou Yang, Hui Yang, Le Yang, Shuaijian Yin, Lan Yu, Cunjiang Yu, Guihua Yu, Jing Yu, Shu-Hong Yu, Xinge Zamburg, Evgeny Zhang, Haixia Zhang, Xiangyu Zhang, Xiaosheng Zhang, Xueji Zhang, Yihui Zhang, Yu Zhao, Siyuan Zhao, Xuanhe Zheng, Yuanjin Zheng, Yu-Qing Zheng, Zijian Zhou, Tao Zhu, Bowen Zhu, Ming Zhu, Rong Zhu, Yangzhi Zhu, Yong Zou, Guijin Chen, Xiaodong 08-03 Innovis Singapore 138634 Republic of Singapore Innovative Centre for Flexible Devices (iFLEX) School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore Department of Biomedical Engineering University of Houston Houston Texas 77024 United States School of Electrical and Electronic Engineering Yonsei University Seoul 03722 Republic of Korea Department of Electrical and Computer Engineering The University of Texas at Austin Austin Texas 78712 United States Microelectronics Research Center The University of Texas at Austin Austin Texas 78758 United States Department of Chemistry and Biochemistry California NanoSystems Institute and Department of Psychiatry and Biobehavioral Sciences Semel Institute for Neuroscience and Human Behavior and Hatos Center for Neuropharmacology University of California Los Angeles Los Angeles California 90095 United States Colloid Chemistry Department Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany Department of Chemical Engineering Stanford University Stanford California 94305 United States Laboratory of Organic Electronics Department of Science and Technology Campus Norrköping Linköping University 83 Linköping Sweden Wallenberg Initiative Materials Science for Sustainability (WISE) and Wallenberg Wood Science Center (WWSC) SE-100 44 Stockholm Sweden Department of Materials Science and Engineering Stanford University Stanford California 94301 United States Department of Biomedical Engineering and Department of Materials Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213 United States Department of Bioengineering University of California Los Angeles Los Angeles California 90095 United States School of Chemistry Chemical Engineering and Biotechnology Nanyang Technological University Singapore 637457 Singapore Nanobionics Group Department of Chemical and Biological Engineering Monash University Clayton Australia 3800 Monash

Humans rely increasingly on sensors to address grand challenges and to improve quality of life in the era of digitalization and big data. For ubiquitous sensing, flexible sensors are developed to overcome the limitations of conventional rigid counterparts. Despite rapid advancement in bench-side research over the last decade, the market adoption of flexible sensors remains limited. To ease and to expedite their deployment, here, we identify bottlenecks hindering the maturation of flexible sensors and propose promising solutions. We first analyze continued...challenges in achieving satisfactory sensing performance for real-world applications and then summarize issues in compatible sensor-biology interfaces, followed by brief discussions on powering and connecting sensor networks. Issues en route to commercialization and for sustainable growth of the sector are also analyzed, highlighting environmental concerns and emphasizing nontechnical issues such as business, regulatory, and ethical considerations. Additionally, we look at future intelligent flexible sensors. In proposing a comprehensive roadmap, we hope to steer research efforts towards common goals and to guide coordinated development strategies from disparate communities. Through such collaborative

关键词： soft materials mechanics engineering flexible electronics conformable sensors bioelectronics human-machine interfaces body area sensor networks technology translation sustainable electronics

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Direct neutrino-mass measurement based on 259 days of KATRIN data

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Science (New York, N.Y.) 2025年第6743期388卷 180-185页

作者： Max Aker Dominic Batzler Armen Beglarian Jan Behrens Justus Beisenkötter Matteo Biassoni Benedikt Bieringer Yanina Biondi Fabian Block Steffen Bobien Matthias Böttcher Beate Bornschein Lutz Bornschein Tom S Caldwell Marco Carminati Auttakit Chatrabhuti Suren Chilingaryan Byron A Daniel Karol Debowski Martin Descher Deseada Díaz Barrero Peter J Doe Otokar Dragoun Guido Drexlin Frank Edzards Klaus Eitel Enrico Ellinger Ralph Engel Sanshiro Enomoto Arne Felden Caroline Fengler Carlo Fiorini Joseph A Formaggio Christian Forstner Florian M Fränkle Kevin Gauda Andrew S Gavin Woosik Gil Ferenc Glück Steffen Grohmann Robin Grössle Rainer Gumbsheimer Nathanael Gutknecht Volker Hannen Leonard Hasselmann Norman Haußmann Klaus Helbing Hanna Henke Svenja Heyns Stephanie Hickford Roman Hiller David Hillesheimer Dominic Hinz Thomas Höhn Anton Huber Alexander Jansen Christian Karl Jonas Kellerer Khanchai Khosonthongkee Matthias Kleifges Manuel Klein Joshua Kohpeiß Christoph Köhler Leonard Köllenberger Andreas Kopmann Neven Kovač Alojz Kovalík Holger Krause Luisa La Cascio Thierry Lasserre Joscha Lauer Thanh-Long Le Ondřej Lebeda Bjoern Lehnert Gen Li Alexey Lokhov Moritz Machatschek Martin Mark Alexander Marsteller Eric L Martin Christin Melzer Susanne Mertens Shailaja Mohanty Jalal Mostafa Klaus Müller Andrea Nava Holger Neumann Simon Niemes Anthony Onillon Diana S Parno Maura Pavan Udomsilp Pinsook Alan W P Poon Jose Manuel Lopez Poyato Stefano Pozzi Florian Priester Jan Ráliš Shivani Ramachandran R G Hamish Robertson Caroline Rodenbeck Marco Röllig Carsten Röttele Milos Ryšavý Rudolf Sack Alejandro Saenz Richard Salomon Peter Schäfer Magnus Schlösser Klaus Schlösser Lisa Schlüter Sonja Schneidewind Ulrich Schnurr Michael Schrank Jannis Schürmann Ann-Kathrin Schütz Alessandro Schwemmer Adrian Schwenck Michal Šefčík Daniel Siegmann Frank Simon Felix Spanier Daniela Spreng Warintorn Sreethawong Markus Steidl Jaroslav Štorek Xaver Stribl Michael Sturm Narumon Suwonjandee Nicholas Tan Jerome Helmut H Telle Larisa A Thorne Thomas T Institute for Astroparticle Physics (IAP) Karlsruhe Institute of Technology (KIT) Eggenstein-Leopoldshafen Germany. Institute for Data Processing and Electronics (IPE) KIT Eggenstein-Leopoldshafen Germany. Institute for Nuclear Physics University of Münster Münster Germany. Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Milano-Bicocca Milano Italy. Institute for Technical Physics (ITEP) KIT Eggenstein-Leopoldshafen Germany. Department of Physics and Astronomy University of North Carolina Chapel Hill NC USA. Triangle Universities Nuclear Laboratory Durham NC USA. Politecnico di Milano Dipartimento di Elettronica Informazione e Bioingegneria Milano Italy. INFN-Sezione di Milano Milano Italy. Department of Physics Faculty of Science Chulalongkorn University Bangkok Thailand. Department of Physics Carnegie Mellon University Pittsburgh PA USA. Department of Physics Faculty of Mathematics and Natural Sciences University of Wuppertal Wuppertal Germany. Institute of Experimental Particle Physics (ETP) KIT Karlsruhe Germany. Center for Experimental Nuclear Physics and Astrophysics University of Washington Seattle WA USA. Department of Physics University of Washington Seattle WA USA. Nuclear Physics Institute Czech Academy of Sciences Řež Czech Republic. Technical University of Munich TUM School of Natural Sciences Physics Department Garching Germany. Max Planck Institute for Physics Garching Germany. Laboratory for Nuclear Science Massachusetts Institute of Technology Cambridge MA USA. Institute for Technical Thermodynamics and Refrigeration KIT Karlsruhe Germany. School of Physics and Center of Excellence in High Energy Physics and Astrophysics Suranaree University of Technology Nakhon Ratchasima Thailand. IRFU (DPhP and APC) CEA Université Paris-Saclay Gif-sur-Yvette France. Nuclear Science Division Lawrence Berkeley National Laboratory Berkeley CA USA. Max-Planck-Institut für Kernphysik Heidelberg Germany. Dipartimento di Fisica Un

That neutrinos carry a nonvanishing rest mass is evidence of physics beyond the Standard Model of elementary particles. Their absolute mass holds relevance in fields from particle physics to cosmology. We report on the search for the effective electron antineutrino mass with the KATRIN experiment. KATRIN performs precision spectroscopy of the tritium β-decay close to the kinematic endpoint. On the basis of the first five measurement campaigns, we derived a best-fit value of [Formula: see text] eV, resulting in an upper limit of < 0.45 eV at 90% confidence level. Stemming from 36 million electrons collected in 259 measurement days, a substantial reduction of the background level, and improved systematic uncertainties, this result tightens KATRIN's previous bound by a factor of almost two.

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Corrigendum to "Cardamine violifolia as a potential Hg hyperaccumulator and the cellular responses" [Sci. Total Environ., Volume 863(2023), 160940]

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The Science of the total environment 2023年 904卷 167082页

作者： Liwei Cui Xue Tian Hongxin Xie Xin Cong Lihong Cui Han Wu Jianxu Wang Bai Li Jiating Zhao Yanshan Cui Xinbin Feng Yu-Feng Li College of Resources and Environment University of Chinese Academy of Sciences Beijing 101408 China. CAS-HKU Joint Laboratory of Metallomics on Health and Environment Chinese Academy of Sciences Beijing 100049 China CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety Chinese Academy of Sciences Beijing 100049 China Beijing Metallomics Facility Chinese Academy of Sciences Beijing 100049 China National Consortium for Excellence in Metallomics Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China. Enshi Se-Run Material Engineering Technology Co. Ltd. Enshi 445000 Hubei China National R&D Center for Se-rich Agricultural Products Processing Wuhan Polytechnic University Wuhan 430023 China. School of Life Sciences Tsinghua University Beijing 100084 China. School of Material Science and Chemical Engineering Harbin University of Science and Technology Harbin 150080 Heilongjiang China. State Key Laboratory of Environmental Geochemistry Institute of Geochemistry Chinese Academy of Sciences Guiyang 550081 Guizhou China. National Consortium for Excellence in Metallomics Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China. Electronic address: liyf@***.

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Cosmogenic background simulations for the DARWIN observatory at different underground locations

arXiv

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arXiv 2023年

作者： Adrover, M. Althueser, L. Andrieu, B. Angelino, E. Angevaare, J.R. Antunovic, B. Aprile, E. Babicz, M. Bajpai, D. Barberio, E. Baudis, L. Bazyk, M. Bell, N. Bellagamba, L. Biondi, R. Biondi, Y. Bismark, A. Boehm, C. Breskin, A. Brookes, E.J. Brown, A. Bruno, G. Budnik, R. Capelli, C. Cardoso, J.M.R. Chauvin, A. Cimental Chavez, A.P. Colijn, A.P. Conrad, J. Jose. Cuenca-García, J. Andrea, V.D. Decowski, M.P. Deisting, A. Di Gangi, P. Diglio, S. Doerenkamp, M. Drexlin, G. Eitel, K. Elykov, A. Engel, R. Farrell, S. Ferella, A.D. Ferrari, C. Fischer, H. Flierman, M. Fulgione, W. Gaemers, P. Gaior, R. Galloway, M. Garroum, N. Ghosh, S. Girard, F. Glade-Beucke, R. Glück, F. Grandi, L. Grigat, J. Größle, R. Guan, H. Guida, M. Hammann, R. Hannen, V. Hansmann-Menzemer, S. Hargittai, N. Hasegawa, T. Hils, C. Higuera, A. Hiraoka, K. Hoetzsch, L. Iacovacci, M. Itow, Y. Jakob, J. Jörg, F. Kara, M. Kavrigin, P. Kazama, S. Keller, M. Kilminster, B. Kleifges, M. Kobayashi, M. Kopec, A. von Krosigk, B. Kuger, F. Landsman, H. Lang, R.F. Li, I. Li, S. Liang, S. Lindemann, S. Lindner, M. Lombardi, F. Loizeau, J. Luce, T. Ma, Y. Macolino, C. Mahlstedt, J. Mancuso, A. Marrodán Undagoitia, T. Lopes, J.A.M. Marignetti, F. Martens, K. Masbou, J. Mastroianni, S. Milutinovic, S. Miuchi, K. Miyata, R. Molinario, A. Monteiro, C.M.B. Morå, K. Morteau, E. Mosbacher, Y. Müller, J. Murra, M. Newstead, J.L. Ni, K. Oberlack, U.G. Ostrovskiy, I. Paetsch, B. Pandurovic, M. Pellegrini, Q. Peres, R. Pienaar, J. Pierre, M. Piotter, M. Plante, G. Pollmann, T.R. Principe, L. Qi, J. Qin, J. Rajado Silva, M. Ramírez García, D. Razeto, A. Sakamoto, S. Sanchez, L. Sanchez-Lucas, P. dos Santos, J.M.F. Sartorelli, G. Scaffidi, A. Schulte, P. Schultz-Coulon, H.-C. Schulze Eißing, H. Schumann, M. Scotto Lavina, L. Selvi, M. Semeria, F. Shagin, P. Sharma, S. Shen, W. Silva, M. Simgen, H. Singh, R. Solmaz, M. Stanley, O. Steidl, M. Tan, P.-L. Terliuk, A. Physik-Institut University of Zürich Zürich8057 Switzerland Institut für Kernphysik Westfälische Wilhelms-Universität Münster Münster48149 Germany LPNHE Sorbonne Université CNRS IN2P3 Paris75005 France INAF-Astrophysical Observatory of Torino Department of Physics University of Torino INFN-Torino Torino10125 Italy Nikhef The University of Amsterdam Science Park Amsterdam1098XG Netherlands Vinca Institute of Nuclear Science University of Belgrade Mihajla Petrovica Alasa 12-14 Belgrade Serbia Physics Department Columbia University New YorkNY10027 United States New York University Abu Dhabi Center for Astro Particle and Planetary Physics Abu Dhabi United Arab Emirates Department of Physics and Astronomy University of Alabama TuscaloosaAL35487 United States Institute for Data Processing and Electronics Karlsruhe Institute of Technology Karlsruhe76021 Germany ARC Centre of Excellence for Dark Matter Particle Physics School of Physics The University of Melbourne VIC3010 Australia SUBATECH IMT Atlantique CNRS IN2P3 Université de Nantes Nantes44307 France Department of Physics and Astronomy University of Bologna INFN-Bologna Bologna40126 Italy Max-Planck-Institut für Kernphysik Heidelberg69117 Germany Institute for Astroparticle Physics Karlsruhe Institute of Technology Karlsruhe76021 Germany School of Physics The University of Sydney NSW 2006 Camperdown Sydney Australia Department of Particle Physics and Astrophysics Weizmann Institute of Science Rehovot7610001 Israel Physikalisches Institut Universität Freiburg Freiburg79104 Germany LIBPhys Department of Physics University of Coimbra Coimbra3004-516 Portugal Physikalisches Institut Universität Heidelberg Heidelberg Germany Oskar Klein Centre Department of Physics Stockholm University AlbaNova StockholmSE-10691 Sweden INFN-Laboratori Nazionali del Gran Sasso Gran Sasso Science Institute L’Aquila67100 Italy Institut für Physik & Exzellenzcluster PRISMA+ Johannes Gutenber

Xenon dual-phase time projections chambers (TPCs) have proven to be a successful technology in studying physical phenomena that require low-background conditions. With 40t of liquid xenon (LXe) in the TPC baseline design, DARWIN will have a high sensitivity for the detection of particle dark matter, neutrinoless double beta decay (0νββ), and axion-like particles (ALPs). Although cosmic muons are a source of background that cannot be entirely eliminated, they may be greatly diminished by placing the detector deep underground. In this study, we used Monte Carlo simulations to model the cosmogenic background expected for the DARWIN observatory at four underground laboratories: Laboratori Nazionali del Gran Sasso (LNGS), Sanford Underground Research Facility (SURF), Laboratoire Souterrain de Modane (LSM) and SNOLAB. We determine the production rates of unstable xenon isotopes and tritium due to muon-included neutron fluxes and muon-induced spallation. These are expected to represent the dominant contributions to cosmogenic backgrounds and thus the most relevant for site selection. Copyright © 2023, The Authors. All rights reserved.

关键词： Observatories

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