New Directions in High Energy Nuclear Physics

高能核物理新方向

基本信息

  • 批准号:
    1812431
  • 负责人:
  • 金额:
    $ 29.89万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-07-01 至 2022-06-30
  • 项目状态:
    已结题

项目摘要

Among the four fundamental forces in nature the strong nuclear force stands out for being the least understood one. It drives many processes in the universe that are crucial for our existence. One particularly important aspect of the strong nuclear force is the existence of quark gluon plasma. If ordinary matter is heated up to temperatures of about 1,000,000,000,000 degrees, hotter than the core of the sun, atoms and molecules cease to exist and even protons and neutrons inside atomic nuclei melt. The remaining primordial soup of quarks and gluons filled the very early universe. We can recreate quark gluon plasma in our largest particle colliders by smashing heavy nuclei into each other. Experimental programs at the Large Hadron Collider in Europe and the Relativistic Heavy Ion Collider in the USA study the properties of quark gluon plasma. This project will support research that will improve our understanding of the formation and properties of quark gluon plasma in nuclear collisions. The PI and his collaborators will use computer simulations and advanced statistical methods to reach this goal. Funding is provided to support training for a graduate students and junior scientists in nuclear science.Quark gluon plasma in nuclear collisions emerges from the highly complex gluon fields that are initially created in nuclear collisions. The PI and his group will investigate these fields and their properties by studying how angular momentum of the droplets of quark gluon plasma is related to the initial angular momentum of the colliding nuclei. The same gluon fields will also be studied through their interaction with fast quarks. The PI and his group will be able to use the JETSCAPE framework for large scale computational simulations of nuclear collisions. They will study various aspects of jets and heavy quarks being quenched in quark gluon plasma. They will then extract properties of quark gluon plasma using multiple constraints. For example, the strength of quenching of quarks and heavy quarks, and the viscosity of quark gluon plasma can be independently measured and are mutually related. Testing these relations will be an important step towards a deeper understanding of the dynamics of quark gluon plasma. The PI and his group will also use advanced statistical methods and machine learning applied to data to understand the mechanisms of hadron formation from quarks and gluons. These results will be used to improve the state-of-the-art modeling of the hadronization process that is a crucial input to many calculations.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
在自然界的四种基本力中,强核力是最不为人所知的一种。它驱动着宇宙中许多对我们生存至关重要的过程。强核力的一个特别重要的方面是夸克胶子等离子体的存在。如果普通物质被加热到大约1000,000,000,000度的温度,比太阳的核心温度还要高,原子和分子就会停止存在,甚至原子核内的质子和中子也会融化。剩下的原始的夸克和胶子充满了早期的宇宙。我们可以在我们最大的粒子对撞机中,通过将重原子核相互撞击来重现夸克胶子等离子体。欧洲大型强子对撞机和美国相对论重离子对撞机的实验项目研究了夸克胶子等离子体的性质。这个项目将支持研究,将提高我们对夸克胶子等离子体在核碰撞中的形成和性质的理解。PI和他的合作者将使用计算机模拟和先进的统计方法来实现这一目标。提供资金支持核科学研究生和初级科学家的培训。核碰撞中的夸克胶子等离子体产生于最初在核碰撞中产生的高度复杂的胶子场。PI和他的团队将通过研究夸克胶子等离子体液滴的角动量如何与碰撞核的初始角动量相关来研究这些场及其性质。同样的胶子场也将通过它们与快夸克的相互作用来研究。PI和他的团队将能够使用JETSCAPE框架进行大规模的核碰撞计算模拟。他们将研究喷流和重夸克在夸克胶子等离子体中被淬灭的各个方面。然后,他们将利用多重约束提取夸克胶子等离子体的性质。例如,夸克和重夸克的猝灭强度以及夸克胶子等离子体的粘度可以独立测量,并且相互关联。测试这些关系将是深入了解夸克胶子等离子体动力学的重要一步。PI和他的团队还将使用先进的统计方法和应用于数据的机器学习来理解夸克和胶子形成强子的机制。这些结果将用于改进最先进的硬离子化过程模型,这是许多计算的关键输入。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(8)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Multisystem Bayesian constraints on the transport coefficients of QCD matter
  • DOI:
    10.1103/physrevc.103.054904
  • 发表时间:
    2020-11
  • 期刊:
  • 影响因子:
    0
  • 作者:
    D. Everett;W. Ke;J. Paquet;G. Vujanovic;S. Bass;L. Du;C. Gale;M. Heffernan;U. Heinz;
  • 通讯作者:
    D. Everett;W. Ke;J. Paquet;G. Vujanovic;S. Bass;L. Du;C. Gale;M. Heffernan;U. Heinz;
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
Determining the jet transport coefficient q̂ from inclusive hadron suppression measurements using Bayesian parameter estimation
  • DOI:
    10.1103/physrevc.104.024905
  • 发表时间:
    2021-02
  • 期刊:
  • 影响因子:
    3.1
  • 作者:
    S. Cao;Y. Chen;J. Coleman-;J. Mulligan;P. Jacobs;R. Soltz;A. Angerami;R. Arora;S. Bass;
  • 通讯作者:
    S. Cao;Y. Chen;J. Coleman-;J. Mulligan;P. Jacobs;R. Soltz;A. Angerami;R. Arora;S. Bass;
Angular momentum eigenstates of the isotropic 3-D harmonic oscillator: Phase-space distributions and coalescence probabilities
  • DOI:
    10.1016/j.aop.2022.168960
  • 发表时间:
    2021-12
  • 期刊:
  • 影响因子:
    3
  • 作者:
    Michael Kordell II;R. Fries;C. Ko
  • 通讯作者:
    Michael Kordell II;R. Fries;C. Ko
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
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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:
    $ 29.89万
  • 项目类别:
    Standard Grant
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)
  • 批准号:
    1550221
  • 财政年份:
    2016
  • 资助金额:
    $ 29.89万
  • 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:
    $ 29.89万
  • 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:
    $ 29.89万
  • 项目类别:
    Standard Grant

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