Quantum Capacitance Detectors with meV Resolution for Astroparticle Physics
用于天体粒子物理的具有 meV 分辨率的量子电容探测器
基本信息
- 批准号:2209581
- 负责人:
- 金额:$ 44.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-10-01 至 2024-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Determining the nature of dark matter, a mysterious ‘missing mass’ in the universe only presently observable by its large-scale gravitational effects, is crucial to furthering our understanding of both cosmology and fundamental forces and particles. One new well-motivated area to probe is in the ‘light’ dark matter regime, with particle masses roughly below that of a proton. This new regime necessitates new and sensitive techniques to detect potential interactions induced by these candidates in deep underground detectors. One such promising technology is Quantum Capacitance Detectors (QCDs), which are superconducting quantum mechanical circuitry that have heritage in the quantum computing world. This award will support a group at the California Institute of Technology to investigate this novel class of ‘qubit’ inspired particle detectors, Which have previously been demonstrated for other use cases. Additionally, the award will be used to broaden the participation of under-represented groups by targeted recruitment of undergraduate and high-school students to work on scientifically relevant projects, with an eye to producing open-access educational video-content in the process. The dark matter community considers the advancement of meV to eV energy scale particle detectors a critical requirement for future progress in the field. Specifically then, this award funds the development of detectors coupling interaction induced athermal phonon generation in crystalline silicon with a superconducting Cooper-pair box sensor. The latter is sensitive to the number parity of quasiparticles (broken Cooper-pair electrons) within its absorbing element. Such a scheme enables the literal counting of quasiparticles produced by single meV phonons and thus reach to the sub-GeV mass dark matter regime. The scope of the award includes for the design, fabrication, and testing of multiple generations of QCDs over a two-year pilot phase, with a roadmap of demonstrating eV and subsequently lower energy resolution on deposited energy within the crystalline substrate.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.
确定暗物质的性质,即宇宙中神秘的“缺失质量”,只有通过其大规模的重力效应才能观察到,这对于进一步的理解是至关重要的。一个新的动机探测区域是“轻”暗物质制度,颗粒质量大约低于质子。这种新的制度需要采用新的和敏感的技术来检测这些候选者在深地下探测器中引起的潜在相互作用。一种这样的承诺技术是量子电容探测器(QCD),它们是在量子计算世界中具有遗产的量子机械电路的超导。该奖项将支持加利福尼亚理工学院的一个小组调查这一新颖的“ Qubit”启发粒子探测器,这些粒子探测器以前已在其他用例中已证明。此外,该奖项将通过有针对性招募本科和高中生的招聘来扩大代表性不足的群体的参与,以从事科学相关的项目,并着眼于在此过程中生产开放式教育视频范围。暗物质社区认为MEV的进步将EV能量量表粒子检测到该领域未来进步的关键要求。具体而言,该奖项为探测器耦合相互作用的开发提供了诱导的Athermal Phonon在Crystalline硅中的产生,并具有超导的Cooper Pair Box传感器。后者对其吸收元件中的准粒子(破碎的库珀对电子)的数量均等敏感。这样的方案使单个MEV声子产生的准粒子的字面计数从而达到了Sub-GEV质量暗物质制度。该奖项的范围包括在为期两年的试点阶段对多代QCD进行设计,制造和测试的范围,其路线图表明了EV,随后在Crystalline底物中降低了能源的能源分辨率,该奖项反映了NSF的法定任务,并通过对基础的智力效果进行评估而被视为珍贵。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
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Karthik Ramanathan其他文献
Quantum Parity Detectors: a qubit based particle detection scheme with meV thresholds for rare-event searches
量子奇偶校验检测器:基于量子位的粒子检测方案,具有用于稀有事件搜索的 meV 阈值
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Karthik Ramanathan;John E. Parker;Lalit M. Joshi;Andrew D. Beyer;Pierre M. Echternach;Serge Rosenblum;Brandon J. Sandoval;S. Golwala - 通讯作者:
S. Golwala
Modeling and analysis of rapid catalyst aging cycles
- DOI:
10.1016/j.cherd.2013.06.020 - 发表时间:
2014-02-01 - 期刊:
- 影响因子:
- 作者:
Karthik Ramanathan;Se H. Oh - 通讯作者:
Se H. Oh
Tigger: A Database Proxy That Bounces With User-Bypass
Tigger:通过用户绕过而反弹的数据库代理
- DOI:
10.14778/3611479.3611530 - 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
Matthew Butrovich;Karthik Ramanathan;J. Rollinson;Wan Shen Lim;William Zhang;Justine Sherry;Andrew Pavlo - 通讯作者:
Andrew Pavlo
Su1425 KIDNEY STONE RISK FOLLOWING TOTAL PANCREATECTOMY WITH ISLET AUTOTRANSPLANTATION
- DOI:
10.1016/s0016-5085(24)02195-4 - 发表时间:
2024-05-18 - 期刊:
- 影响因子:
- 作者:
Nandini Avula;James Hodges;Gregory Beilman;Srinath Chinnakotla;Martin L. Freeman;Karthik Ramanathan;Sarah Jane Schwarzenberg;Guru Trikudanathan;Melena Bellin;Elissa M. Downs - 通讯作者:
Elissa M. Downs
Su1429 ASSESSING THE BURDEN OF GASTROINTESTINAL SYMPTOMS IN PATIENTS POST TOTAL PANCREATECTOMY WITH ISLET AUTO TRANSPLANTATION.
- DOI:
10.1016/s0016-5085(24)02199-1 - 发表时间:
2024-05-18 - 期刊:
- 影响因子:
- 作者:
William Hirsch;Martin L. Freeman;Gregory Beilman;Guru Trikudanathan;Karthik Ramanathan;Byron P. Vaughn;Melena Bellin - 通讯作者:
Melena Bellin
Karthik Ramanathan的其他文献
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