2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC)最新文献_第2页

Design of a portable test facility for the ATLAS Tile Calorimeter front-end electronics verification ATLAS瓷砖量热计前端电子验证的便携式测试设备的设计

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-15 DOI: 10.1109/NSSMIC.2013.6829751

H. Kim, H. Akerstedt, F. Carrió, P. Moreno, T. Masike, R. Reed, C. Sandrock, V. Schettino, A. Shalyugin, C. Solans, J. Souza, R. Suter, G. Usai, A. Valero

引用次数: 0

Upgrade of the ATLAS Level-1 trigger with an FPGA based Topological Processor 基于FPGA的拓扑处理器升级ATLAS 1级触发器

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-15 DOI: 10.1109/NSSMIC.2013.6829555

R. Caputo, B. Bauss, V. Büscher, R. Degele, P. Kiese, S. Maldaner, A. Reiss, U. Schäfer, E. Simioni, S. Tapprogge, P. Urrejola

{"title":"Upgrade of the ATLAS Level-1 trigger with an FPGA based Topological Processor","authors":"R. Caputo, B. Bauss, V. Büscher, R. Degele, P. Kiese, S. Maldaner, A. Reiss, U. Schäfer, E. Simioni, S. Tapprogge, P. Urrejola","doi":"10.1109/NSSMIC.2013.6829555","DOIUrl":"https://doi.org/10.1109/NSSMIC.2013.6829555","url":null,"abstract":"The ATLAS experiment is located at the European Centre for Nuclear Research (CERN) in Switzerland. It is designed to measure decay properties of highly energetic particles produced in the protons collisions at the Large Hadron Collider (LHC). The LHC has a beam collision frequency of 40 MHz, and thus requires a trigger system to efficiently select events, thereby reducing the storage rate to a manageable level of about 400 Hz. Event triggering is therefore one of the extraordinary challenges faced by the ATLAS detector. The Level-1 Trigger is the first rate-reducing step in the ATLAS Trigger, with an output rate of 75 kHz and decision latency of less than 2.5 μs. It is primarily composed of the Calorimeter Trigger, Muon Trigger, the Central Trigger Processor (CTP). Due to the increase in the LHC instantaneous luminosity up to 3×1034 cm-2 s-1 from 2015 onwards, a new element will be included in the Level-1 Trigger scheme: the Topological Processor (L1Topo). The L1Topo receives data in a specialized format from the calorimeters and muon detectors to be processed by specific topological algorithms. Those algorithms sit in high-end FPGAs which perform geometrical cuts, correlations and calculate complex observables such as the invariant mass. The outputs of such topological algorithms are sent to the CTP. Since the Level-1 trigger is a fixed latency pipelined system, the main requirements for the L1Topo are a large input bandwidth (≈1Tb/s), optical connectivity and low processing latency on the real-time data path. This presentation focuses on the design of the L1Topo final production module and the tests results on L1Topo prototypes. Such tests are aimed at characterizing high-speed links (signal integrity, bit error rate, margin analysis and latency) and the logic resource utilization of algorithms.","PeriodicalId":246351,"journal":{"name":"2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130222116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

The Associative Memory Boards for the FTK processor at ATLAS ATLAS的FTK处理器的联想内存板

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-15 DOI: 10.1109/NSSMIC.2013.6829752

D. Calabró, R. Cipriani, S. Citraro, S. Donati, P. Giannetti, A. Lanza, P. Luciano, D. Magalotti, M. Piendibene

引用次数: 1

Alpha coincidence detection for the assay of actinides 锕系元素测定中的α符合检测

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-15 DOI: 10.1109/NSSMIC.2013.6829530

G. Warren, M. Dion, B. Miller, G. Tatishvili

{"title":"Alpha coincidence detection for the assay of actinides","authors":"G. Warren, M. Dion, B. Miller, G. Tatishvili","doi":"10.1109/NSSMIC.2013.6829530","DOIUrl":"https://doi.org/10.1109/NSSMIC.2013.6829530","url":null,"abstract":"Interferences in both decay counting and mass counting techniques limit their application for some environmental monitoring applications. For example, 238U interferes with 238Pu in mass spectrometry measurements, while in conventional alpha spectroscopy measurements it is nearly impossible to separate 238Pu from 241Am and 239Pu from 240Pu. These interferences are typically resolved by using chemical separation and/or different measurement techniques for different isotopes. We are investigating radiation detector concepts to simultaneously assay these four isotopes with minimal sample preparation by exploiting radiation signatures measured in coincidence with the predominate alpha decays of these isotopes. Particles in coincidence with the alpha decay include conversion electrons, gamma rays, x-rays, and Auger electrons. Each decay has a unique energy distribution enabling the separation of the isotopes. We are exploring two basic detector concepts to achieve these goals: a silicon-based design and a gas-detector design. The silicon system provides the potential for higher energy resolution at the cost of lower efficiency compared to a gas detector. In this paper, we will describe our evaluation of the different detector concepts, which will include estimations of potential detection efficiency, ability to resolve the isotopes, sample preparation and equipment requirements.","PeriodicalId":246351,"journal":{"name":"2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC)","volume":"106 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130645525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A multi-core FPGA-based clustering algorithm for real-time image processing 基于fpga的多核聚类实时图像处理算法

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-14 DOI: 10.1109/NSSMIC.2013.6829740

C. Sotiropoulou, A. Annovi, M. Beretta, P. Luciano, S. Nikolaidis, G. Volpi

引用次数: 5

The CMS Electromagnetic Calorimeter its performance and role in the discovery of a Higgs boson and perspectives for the future CMS电磁量热计的性能和在发现希格斯玻色子中的作用以及对未来的展望

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-12 DOI: 10.1109/NSSMIC.2013.6829510

D. Barney

引用次数: 0

The CAKE clocking and the trapezoidal clocking schemes: Principles and demo tests CAKE时钟和梯形时钟方案:原理和演示测试

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-12 DOI: 10.1109/NSSMIC.2013.6829444

Jinyuan Wu, Stephanie Wang, Kevin Zhang

引用次数: 0

Radiation hard silicon sensors for the CMS tracker upgrade 用于CMS跟踪器升级的辐射硬硅传感器

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-08 DOI: 10.1109/NSSMIC.2013.6829543

T. Poehlsen

{"title":"Radiation hard silicon sensors for the CMS tracker upgrade","authors":"T. Poehlsen","doi":"10.1109/NSSMIC.2013.6829543","DOIUrl":"https://doi.org/10.1109/NSSMIC.2013.6829543","url":null,"abstract":"At an instantaneous luminosity of 5 × 1034 cm-2 s-1, the high-luminosity phase of the Large Hadron Collider (HL-LHC) is expected to deliver a total of 3 000 fb-1 of collisions, hereby increasing the discovery potential of the LHC experiments significantly. However, the radiation dose of the tracking systems will be severe, requiring new radiation hard sensors for the CMS tracker. The CMS tracker collaboration has initiated a large material investigation and irradiation campaign to identify the silicon material and design that fulfils all requirements for detectors for the HL-LHC. Focussing on the upgrade of the outer tracker region, pad sensors as well as fully functional strip sensors have been implemented on silicon wafers with different material properties and thicknesses. The samples were irradiated with a mixture of neutrons and protons corresponding to fluences as expected for the positions of detector layers in the future tracker. Different proton energies were used for irradiations to investigate the energy dependence of the defect generation in oxygen rich material. The measurements performed on the structures include electrical sensor characterization, measurement of the collected charge injected with a beta source or laser light and bulk defect characterization. Measurements are performed at different annealing times. In this paper, results from the ongoing campaign are presented which led to the decision to take p-type silicon sensors for the CMS strip tracker.","PeriodicalId":246351,"journal":{"name":"2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116589462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 12

A pixel readout chip in 40 nm CMOS process for high count rate imaging systems with minimization of charge sharing effects 一种用于高计数率成像系统的40nm CMOS制程像素读出芯片，具有最小的电荷共享效应

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-07 DOI: 10.1109/NSSMIC.2013.6829433

P. Maj, P. Grybos, R. Szczygiel, P. Kmon, A. Drozd, Grzegorz Deptuch

引用次数: 6

Alpha coincidence spectroscopy studied with GEANT4 用GEANT4研究α符合光谱

2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) Pub Date : 2013-11-02 DOI: 10.1109/NSSMIC.2013.6829561

M. Dion, B. Miller, G. Tatishvili, G. Warren

引用次数: 1