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A Search for Lorentz and CPT Violations in Double-β Decay With the Complete EXO-200 Dataset
A Search for Lorentz and CPT Violations in Double-β Decay With the Complete EXO-200 Dataset
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202103638
- ISBN
- 9798314843512
- DDC
- 539.7
- 서명/저자
- A Search for Lorentz and CPT Violations in Double-β Decay With the Complete EXO-200 Dataset
- 발행사항
- [Sl] : University of Illinois at Urbana-Champaign, 2023
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2023
- 형태사항
- 105 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 86-11, Section: B.
- 주기사항
- Advisor: Hooberman, Benjamin.
- 학위논문주기
- Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2023.
- 초록/해제
- 요약Neutrinoless double beta (0νββ) decay is currently one of the most compelling searches in particle physics. If found, it would imply the existence of Majorana fermions and lepton number violation, both new physics beyond the Standard Model. The EXO-200 experiment consisted of a time projection chamber (TPC) with 200 kg of enriched liquid xenon (LXE) optimized to search for 0νββ of 136Xe. Data acquisition took place from 2011 to the end of 2018, with a total exposure of 234.1kg yr. We found no statistically significant evidence for 0νββ, leading to a lower limit on its half-life of 3.5x1025 yr at the 90% confidence level. In addition, the ultra-low background necessary for this search provides a unique opportunity to probe other exotic processes, such as Lorentz and CPT violation, predicted by the Standard Model extension (SME). This presents itself in double beta decay as a spectral perturbation due to neutrino coupling with an SME Lorentz-violating tensor field. The first search for this process was published in 2016 using a subset of the EXO-200 dataset. In this work, we will present the analysis and status of an updated search using the full EXO-200 dataset, an optimized analysis region, and novel analysis techniques. We will also present some of the work that has been done for the next generation experiment, nEXO. In particular, we discuss the work done at the University of Illinois for the light-readout system.
- 일반주제명
- Nuclear physics
- 일반주제명
- Physics
- 일반주제명
- Particle physics
- 일반주제명
- Computational physics
- 키워드
- Neutrino physics
- 키워드
- Liquid xenon
- 기타저자
- University of Illinois at Urbana-Champaign Physics
- 기본자료저록
- Dissertations Abstracts International. 86-11B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■020 ▼a9798314843512
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■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a539.7
■1001 ▼aEchevers, Jonathan.
■24512▼aA Search for Lorentz and CPT Violations in Double-β Decay With the Complete EXO-200 Dataset
■260 ▼a[Sl]▼bUniversity of Illinois at Urbana-Champaign▼c2023
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2023
■300 ▼a105 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-11, Section: B.
■500 ▼aAdvisor: Hooberman, Benjamin.
■5021 ▼aThesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2023.
■520 ▼aNeutrinoless double beta (0νββ) decay is currently one of the most compelling searches in particle physics. If found, it would imply the existence of Majorana fermions and lepton number violation, both new physics beyond the Standard Model. The EXO-200 experiment consisted of a time projection chamber (TPC) with 200 kg of enriched liquid xenon (LXE) optimized to search for 0νββ of 136Xe. Data acquisition took place from 2011 to the end of 2018, with a total exposure of 234.1kg yr. We found no statistically significant evidence for 0νββ, leading to a lower limit on its half-life of 3.5x1025 yr at the 90% confidence level. In addition, the ultra-low background necessary for this search provides a unique opportunity to probe other exotic processes, such as Lorentz and CPT violation, predicted by the Standard Model extension (SME). This presents itself in double beta decay as a spectral perturbation due to neutrino coupling with an SME Lorentz-violating tensor field. The first search for this process was published in 2016 using a subset of the EXO-200 dataset. In this work, we will present the analysis and status of an updated search using the full EXO-200 dataset, an optimized analysis region, and novel analysis techniques. We will also present some of the work that has been done for the next generation experiment, nEXO. In particular, we discuss the work done at the University of Illinois for the light-readout system.
■590 ▼aSchool code: 0090.
■650 4▼aNuclear physics
■650 4▼aPhysics
■650 4▼aParticle physics
■650 4▼aComputational physics
■653 ▼aNeutrino physics
■653 ▼aLiquid xenon
■653 ▼aNeutrinoless double beta decay
■653 ▼aLorentz and CPT violations
■653 ▼aTime projection chamber
■653 ▼aStandard Model extension
■690 ▼a0756
■690 ▼a0798
■690 ▼a0216
■690 ▼a0605
■71020▼aUniversity of Illinois at Urbana-Champaign▼bPhysics.
■7730 ▼tDissertations Abstracts International▼g86-11B.
■790 ▼a0090
■791 ▼aPh.D.
■792 ▼a2023
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358059▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
