Collaborative Proposal: The XENON Dark Matter Project: Construction and Underground Operation of a 100 kg Detector

合作提案：XENON 暗物质项目：100 公斤探测器的建造和地下操作

• 批准号: 0705326
• 负责人: Edison Liang
• 金额: --
• 依托单位: William Marsh Rice University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-04-01 至 2011-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0705326&HistoricalAwards=false
• 关键词: Collaborative; Proposal; XENON; Dark; Matter

PROPOSAL NUMBER: 0705337INSTITUTION: Columbia University PRINCIPAL INVESTIGATOR: Aprile, ElenaPROPOSAL NUMBER: 0705326INSTITUTION: William Marsh Rice University PRINCIPAL INVESTIGATOR: Oberlack, UweNSF PROGRAM: PHY ? UNDERGROUND PHYSICSTITLE: Collaborative Proposal: The XENON Dark Matter Project: Construction and Underground Operation of a 100 kg Detector ABSTRACTThe discovery of dark matter is of fundamental importance to cosmology, astrophysics, and particle physics. Despite the extreme challenges, the search for Weakly Interacting Massive Particles (WIMPs) believed to constitute the dark matter, continues with accelerator, space and underground based experiments. Ultimately, only astrophysical observations can determine whether WIMPs exist in nature, but the importance of direct detection of WIMP-nucleus scattering in laboratory experiments is well recognized. The US is in a world-leading position in direct detection; however, better-sensitivity experiments with sizeable increase in target mass and sophisticated background rejection schemes are key to future progress and discovery. This award provides support to the Columbia and Rice groups for their continuation of the XENON Dark Matter Program, with the construction of a 100 kg fiducial mass detector (XENON100). The sensitivity goal is 2x10^45 cm^2. This is achieved through background discrimination provided by the simultaneous detection of ionization and scintillation signals in pure liquid xenon. XENON100 is built on the design and technology established with the XENON10 prototype, with a factor of ~10 increase in total Xe mass. XENON100 is an experiment that can be built with minimum risk, giving first physics results by 2009, when the LHC will be searching for Supersymmetric dark matter. Among the Broader Impacts of this work, the XENON science has all the ingredients to captivate the interest and imagination of students and the general public alike. XENON technical-related work can impact society in a number of ways. The liquid xenon imaging detector technology is a prime candidate for applications in several fields outside particle astrophysics, including national security and medical imaging research.

提案编号：0705337Institution：哥伦比亚大学首席研究员：APRILE，Elenapropoloposal编号：0705326 INSTITITION：William Marsh Rice University University首席研究员：UWENSF OBERLACK，UWENSF计划：PHY？地下物理学：合作提案：氙气暗物质项目：100公斤探测器的构建和地下操作摘要，暗物质的发现对宇宙学，天体物理学和粒子物理学至关重要。尽管面临极大的挑战，但人们对被认为构成暗物质的弱相互作用的巨大颗粒（WIMP）的搜索仍继续使用加速器，空间和基于地下的实验。最终，只有天体物理观测才能确定自然界中是否存在WIMP，但是在实验室实验中直接检测WIMP-NUCLEUS散射的重要性才能得到充分认识。美国在直接发现中处于世界领先地位。但是，具有更高敏感性的实验，目标​​质量和复杂背景拒绝方案的大量增加是未来进步和发现的关键。该奖项为哥伦比亚和大米集团的延续了Xenon暗物质计划提供了支持，并建造了100公斤的基准群众检测器（Xenon100）。灵敏度目标是2x10^45 cm^2。这是通过同时检测纯液体氙气电离和闪烁信号提供的背景歧视来实现的。 Xenon100建立在用Xenon10原型建立的设计和技术的基础上，总XE质量增加了约10倍。 XENON100是一个可以以最低风险构建的实验，到2009年，LHC将搜索超对称性暗物质，从而给出了最初的物理结果。在这项工作的更广泛的影响中，Xenon科学具有吸引学生和公众的兴趣和想象力的所有要素。 XENON与技术相关的工作可能以多种方式影响社会。液体氙气检测器技术是在粒子天体物理学以外的几个领域（包括国家安全和医学成像研究）中应用的主要候选者。