SI2-SSI: Collaborative Research: Jet Energy-Loss Tomography with a Statistically and Computationally Advanced Program Envelope (JETSCAPE)
SI2-SSI:合作研究:具有统计和计算先进程序包络的射流能量损失断层扫描 (JETSCAPE)
基本信息
- 批准号:1550221
- 负责人:
- 金额:$ 23.87万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-07-01 至 2021-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Microseconds after the Big Bang, the universe was filled with an extremely hot fluid called the Quark-Gluon Plasma. As the universe expanded, this plasma cooled and condensed into the building blocks of ordinary matter around us: protons, neutrons, and atomic nuclei. Droplets of this fluid, which exists only at temperatures above 2 trillion Kelvin, are generated and studied in the laboratory today using collisions of high-energy heavy ions at Brookhaven National Laboratory and CERN. A key method to study the Quark-Gluon Plasma is the generation of high-energy quarks and gluons in the collision, which interact with the hot plasma and emerge as "jets" of particles that are measured by experiments. These jets provide powerful tools to study the internal structure of the plasma, analogous to tomography in medical imaging. However, interpretation of jet measurements requires sophisticated numerical modeling and simulation, and comparison of theory calculations with experimental data demands advanced statistical tools. The JETSCAPE Collaboration, an interdisciplinary team of physicists, computer scientists, and statisticians, will develop a comprehensive software framework that will provide a systematic, rigorous approach to meet this challenge. Training programs, workshops, summer schools and MOOCs, will disseminate the expertise needed to modify and maintain this framework.The JETSCAPE Collaboration will develop a scalable and portable open source software package to replace a variety of existing codes. The modular integrated software framework will consist of interacting generators to simulate (i) wave functions of the incoming nuclei, (ii) viscous fluid dynamical evolution of the hot plasma, and (iii) transport and modification of jets in the plasma. Integrated advanced statistical analysis tools will provide non-expert users with quantitative methods to validate novel theoretical descriptions of jet modification, by comparison with the complete set of current experimental data. To improve the efficiency of this computationally intensive task, the collaboration will develop trainable emulators that can accurately predict experimental observables by interpolation between full model runs, and employ accelerators such as Graphics Processing Units (GPUs) for both the fluid dynamical simulations and the modification of jets. The collaboration will create this framework with a user-friendly envelope that allows for continuous modifications, updates and improvements of each of its components. The effort will serve as a template for other fields that involve complex dynamical modeling and comparison with large data sets. It will open a new era for high-precision extraction of the internal structure of the Quark-Gluon Plasma with quantifiable uncertainties. This project advances the objectives of the National Strategic Computing Initiative (NSCI), an effort aimed at sustaining and enhancing the U.S. scientific, technological, and economic leadership position in High-Performance Computing (HPC) research, development, and deployment. This project is supported by the Division of Advanced Cyberinfrastructure in the Directorate for Computer & Information Science & Engineering and the Physics Division and the Division of Mathematical Sciences in the Directorate of Mathematical and Physical Sciences.
大爆炸后的几微秒,宇宙充满了一种叫做夸克-胶子等离子体的极热流体。随着宇宙的膨胀,这些等离子体冷却并凝聚成我们周围普通物质的组成部分:质子、中子和原子核。这种流体的液滴只存在于2万亿开尔文以上的温度下,今天在布鲁克海文国家实验室和欧洲核子研究中心的实验室中使用高能重离子碰撞产生和研究。研究夸克-胶子等离子体的一个关键方法是在碰撞中产生高能夸克和胶子,它们与热等离子体相互作用,并以实验测量的粒子“喷流”出现。这些射流提供了强大的工具来研究等离子体的内部结构,类似于医学成像中的断层扫描。然而,射流测量的解释需要复杂的数值建模和模拟,理论计算与实验数据的比较需要先进的统计工具。JETSCAPE协作是一个由物理学家、计算机科学家和统计学家组成的跨学科团队,将开发一个全面的软件框架,为迎接这一挑战提供系统、严格的方法。培训计划、研讨会、暑期学校和MOOC将传播修改和维护该框架所需的专业知识。JETSCAPE协作将开发一个可扩展和便携的开源软件包,以取代各种现有代码。模块化集成软件框架将由相互作用的发生器组成,以模拟(i)入射原子核的波函数,(ii)热等离子体的粘性流体动力学演化,以及(iii)等离子体中射流的传输和修改。综合先进的统计分析工具将为非专家用户提供定量方法,通过与当前完整的实验数据集进行比较,验证喷气改装的新理论描述。为了提高这一计算密集型任务的效率,该合作将开发可训练的仿真器,这些仿真器可以通过完整模型运行之间的插值来准确预测实验观测值,并采用图形处理单元(GPU)等加速器进行流体动力学模拟和射流修改。合作将创建一个用户友好的信封,允许不断修改,更新和改进其每个组成部分的框架。这项工作将作为其他领域的模板,涉及复杂的动态建模和与大型数据集的比较。它将为高精度提取具有可量化不确定性的夸克-胶子等离子体的内部结构开辟一个新时代。该项目推进了国家战略计算计划(NSCI)的目标,该计划旨在维持和加强美国在高性能计算(HPC)研究、开发和部署方面的科学、技术和经济领导地位。该项目得到了计算机信息科学工程局高级网络基础设施司以及数学和物理科学局物理司和数学科学司的支持。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
JETSCAPE framework: p+p results
- DOI:10.1103/physrevc.102.054906
- 发表时间:2019-10
- 期刊:
- 影响因子:3.1
- 作者:A. Kumar;Y. Tachibana;D. Pablos;C. Sirimanna;R. Fries;A. Angerami;S. Bass;S. Cao;Y. Chen;J. Coleman;L. Cunqueiro;T. Dai;L. Du;H. Elfner;D. Everett;W. Fan;C. Gale;Y. He;U. Heinz;B. Jacak;P. Jacobs;15 S. Jeon;K. Kauder;W. Ke;E. Khalaj;M. Kordell;T. Luo;A. Majumder;M. McNelis;J. Mulligan;C. Nattrass;D. Oliinychenko;L. Pang;C. Park;J. Paquet;J. Putschke;G. Roland;B. Schenke;L. Schwiebert;C. Shen;R. Soltz;G. Vujanovic;X.-N. Wang;R. Wolpert;Y. Xu;Z. Yang
- 通讯作者:A. Kumar;Y. Tachibana;D. Pablos;C. Sirimanna;R. Fries;A. Angerami;S. Bass;S. Cao;Y. Chen;J. Coleman;L. Cunqueiro;T. Dai;L. Du;H. Elfner;D. Everett;W. Fan;C. Gale;Y. He;U. Heinz;B. Jacak;P. Jacobs;15 S. Jeon;K. Kauder;W. Ke;E. Khalaj;M. Kordell;T. Luo;A. Majumder;M. McNelis;J. Mulligan;C. Nattrass;D. Oliinychenko;L. Pang;C. Park;J. Paquet;J. Putschke;G. Roland;B. Schenke;L. Schwiebert;C. Shen;R. Soltz;G. Vujanovic;X.-N. Wang;R. Wolpert;Y. Xu;Z. Yang
QCD challenges from pp to A–A collisions
- DOI:10.1140/epja/s10050-020-00270-1
- 发表时间:2020-03
- 期刊:
- 影响因子:0
- 作者:J. Adolfsson;A. Andronic;C. Bierlich;C. Bierlich;P. Bożek;Smita Chakraborty;P. Christiansen;D. Chinellato;R. Fries;G. Gustafson;H. Hees;P. Jacobs;D. Kim;L. Lönnblad;M. Mace;M. Mace;O. Matonoha;A. Mazeliauskas;A. Mazeliauskas;A. Morsch;A. Nassirpour;A. Ohlson;A. Ortiz;A. Oskarsson;I. Otterlund;G. Paic;D. Perepelitsa;C. Plumberg;R. Preghenella;R. Rapp;C. Rasmussen;A. Rossi;O. V. Rueda;A. Silva;D. Silvermyr;A. Timmins;T. Sjöstrand;R. Törnkvist;M. Utheim;V. Vislavicius;U. Wiedemann;K. Zapp;W. Zhao
- 通讯作者:J. Adolfsson;A. Andronic;C. Bierlich;C. Bierlich;P. Bożek;Smita Chakraborty;P. Christiansen;D. Chinellato;R. Fries;G. Gustafson;H. Hees;P. Jacobs;D. Kim;L. Lönnblad;M. Mace;M. Mace;O. Matonoha;A. Mazeliauskas;A. Mazeliauskas;A. Morsch;A. Nassirpour;A. Ohlson;A. Ortiz;A. Oskarsson;I. Otterlund;G. Paic;D. Perepelitsa;C. Plumberg;R. Preghenella;R. Rapp;C. Rasmussen;A. Rossi;O. V. Rueda;A. Silva;D. Silvermyr;A. Timmins;T. Sjöstrand;R. Törnkvist;M. Utheim;V. Vislavicius;U. Wiedemann;K. Zapp;W. Zhao
Hybrid Hadronization
混合强子化
- DOI:10.22323/1.345.0046
- 发表时间:2019
- 期刊:
- 影响因子:0
- 作者:Fries, Rainer;Kordell, Michael
- 通讯作者:Kordell, Michael
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Rainer Fries其他文献
Rainer Fries的其他文献
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{{ truncateString('Rainer Fries', 18)}}的其他基金
Advances in High Energy Nuclear Physics
高能核物理进展
- 批准号:
2111568 - 财政年份:2021
- 资助金额:
$ 23.87万 - 项目类别:
Standard Grant
New Directions in High Energy Nuclear Physics
高能核物理新方向
- 批准号:
1812431 - 财政年份:2018
- 资助金额:
$ 23.87万 - 项目类别:
Continuing Grant
Comprehensive Studies of Extreme Phases of Nuclear Matter
核物质极端相的综合研究
- 批准号:
1516590 - 财政年份:2015
- 资助金额:
$ 23.87万 - 项目类别:
Continuing Grant
CAREER: New Theoretical Developments in High Energy Nuclear Collisions
职业:高能核碰撞的新理论发展
- 批准号:
0847538 - 财政年份:2009
- 资助金额:
$ 23.87万 - 项目类别:
Standard Grant
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