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Effect of Nuclear Size on Energetic Neutron Production in CCQE-Like Antineutrino Interactions in the MINERνA Detector
Effect of Nuclear Size on Energetic Neutron Production in CCQE-Like Antineutrino Interactions in the MINERνA Detector
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20250211151011
- ISBN
- 9798382836065
- DDC
- 530
- 저자명
- Last, David R.
- 서명/저자
- Effect of Nuclear Size on Energetic Neutron Production in CCQE-Like Antineutrino Interactions in the MINERνA Detector
- 발행사항
- [Sl] : University of Pennsylvania, 2024
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- 형태사항
- 255 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
- 주기사항
- Advisor: Mauger, Christopher.
- 학위논문주기
- Thesis (Ph.D.)--University of Pennsylvania, 2024.
- 초록/해제
- 요약The history of neutrinos is laden with limitations on understanding imposed by complications in measurement. This applies quite noticeably to the ongoing study of the phenomenon of neutrino oscillation. With improvements in detector size and technology, as well as experiments taken pertinent data for decades now, the era of precision measurements of all of these remaining parameters is coming in the relatively near future, with GeV-scale accelerator-based experiments playing a leading role.This means that in the central estimation of (anti)neutrino energy on which the phenomenon depends, the modeling of what is produced in the interactions these particles have with the detector needs to be understood. In the particularly fascinating question of whether CP violation exists in the lepton sector, where the answer is found as a difference in oscillations for neutrinos and antineutrinos, the non-oscillation discrepancies need to be well-modeled.As they are unable to detect through electromagnetic processes, able to escape detectors without ever depositing energy, and produced disproportionately more in antineutrino than neutrino interactions at the GeV-scale, neutrons present a unique problem to energy estimation. Past measurements from MINERvA have demonstrated the ability to measure antineutrino interaction cross sections involving neutron production via the detection of neutron interactions in the detector. These, and preceding model-dependent, measurements have also shown that there are notable discrepancies in the modeling of such processes.This past work has been focused on the polystyrene tracker region of the MINERvA detector. For future experiments with nuclei significantly larger than Carbon, and even more so Hydrogen, such as the Argon target of the next generation kTon-scale neutrino oscillation experiment, DUNE, having these interactions in larger nuclei is critical.This thesis builds upon the reconstruction and analysis tools from past work to study the production of neutrons in 5 of MINERvA's different nuclear targets: CH, C, H2O, Fe, Pb. This culminates in the measurement of a differential cross section in muon transverse momentum for muon antineutrinos producing at least one neutron and a final state consistent with a quasielastic scattering (QE-like) off of one nucleon in the nucleus. The results show a general underprediction of all of the models in the true QE-rich regions for all of the targets and provide insight into how different aspects of different models may be performing better than others.
- 일반주제명
- Physics
- 일반주제명
- Nuclear physics
- 일반주제명
- Particle physics
- 키워드
- MINERvA
- 키워드
- Nuclear size
- 기타저자
- University of Pennsylvania Physics and Astronomy
- 기본자료저록
- Dissertations Abstracts International. 85-12B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■00520250211151011
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■020 ▼a9798382836065
■035 ▼a(MiAaPQ)AAI30995535
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a530
■1001 ▼aLast, David R.
■24510▼aEffect of Nuclear Size on Energetic Neutron Production in CCQE-Like Antineutrino Interactions in the MINERνA Detector
■260 ▼a[Sl]▼bUniversity of Pennsylvania▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a255 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 85-12, Section: B.
■500 ▼aAdvisor: Mauger, Christopher.
■5021 ▼aThesis (Ph.D.)--University of Pennsylvania, 2024.
■520 ▼aThe history of neutrinos is laden with limitations on understanding imposed by complications in measurement. This applies quite noticeably to the ongoing study of the phenomenon of neutrino oscillation. With improvements in detector size and technology, as well as experiments taken pertinent data for decades now, the era of precision measurements of all of these remaining parameters is coming in the relatively near future, with GeV-scale accelerator-based experiments playing a leading role.This means that in the central estimation of (anti)neutrino energy on which the phenomenon depends, the modeling of what is produced in the interactions these particles have with the detector needs to be understood. In the particularly fascinating question of whether CP violation exists in the lepton sector, where the answer is found as a difference in oscillations for neutrinos and antineutrinos, the non-oscillation discrepancies need to be well-modeled.As they are unable to detect through electromagnetic processes, able to escape detectors without ever depositing energy, and produced disproportionately more in antineutrino than neutrino interactions at the GeV-scale, neutrons present a unique problem to energy estimation. Past measurements from MINERvA have demonstrated the ability to measure antineutrino interaction cross sections involving neutron production via the detection of neutron interactions in the detector. These, and preceding model-dependent, measurements have also shown that there are notable discrepancies in the modeling of such processes.This past work has been focused on the polystyrene tracker region of the MINERvA detector. For future experiments with nuclei significantly larger than Carbon, and even more so Hydrogen, such as the Argon target of the next generation kTon-scale neutrino oscillation experiment, DUNE, having these interactions in larger nuclei is critical.This thesis builds upon the reconstruction and analysis tools from past work to study the production of neutrons in 5 of MINERvA's different nuclear targets: CH, C, H2O, Fe, Pb. This culminates in the measurement of a differential cross section in muon transverse momentum for muon antineutrinos producing at least one neutron and a final state consistent with a quasielastic scattering (QE-like) off of one nucleon in the nucleus. The results show a general underprediction of all of the models in the true QE-rich regions for all of the targets and provide insight into how different aspects of different models may be performing better than others.
■590 ▼aSchool code: 0175.
■650 4▼aPhysics
■650 4▼aNuclear physics
■650 4▼aParticle physics
■653 ▼aMINERvA
■653 ▼aNuclear size
■653 ▼aAntineutrino interactions
■690 ▼a0605
■690 ▼a0756
■690 ▼a0798
■71020▼aUniversity of Pennsylvania▼bPhysics and Astronomy.
■7730 ▼tDissertations Abstracts International▼g85-12B.
■790 ▼a0175
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17160398▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
