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Coherent Elastic Neutrino-nucleus Scattering in Large-Scale Scintillators
Coherent Elastic Neutrino-nucleus Scattering in Large-Scale Scintillators
Coherent Elastic Neutrino-nucleus Scattering in Large-Scale Scintillators

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20250211151041
ISBN  
9798382735498
DDC  
593.7
저자명  
Major, Adryanna.
서명/저자  
Coherent Elastic Neutrino-nucleus Scattering in Large-Scale Scintillators
발행사항  
[Sl] : Duke University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
246 p
주기사항  
Source: Dissertations Abstracts International, Volume: 85-11, Section: B.
주기사항  
Advisor: Scholberg, Kate.
학위논문주기  
Thesis (Ph.D.)--Duke University, 2024.
초록/해제  
요약The growth in the neutrino sector over the last several decades has offered interesting answers to questions about the neutrino's fundamental nature and the essential role it plays in astrophysical processes. The field's success allows a trend towards bolder and more precise observations of the oft-eluding particle, and concrete cross section measurements are possible like never before. Coherent elastic neutrino-nucleus scattering (CEvNS) is a neutral-current process in which a neutrino scatters off a nucleus as a cohesive unit, depositing a tiny recoil energy (few-to-tens-of-keV). Observed for the first time by the COHERENT experiment in 2017, the clean theoretical cross section prediction allows CEvNS to function as not only a probe for non-standard interactions and nuclear form factors, but also as a predictable flavor-blind signature from all manner of sources. The process is important in core-collapse supernovae and also presents an opportunity for detection of a burst of core-collapse neutrinos in low-threshold detectors designed for solar neutrino and dark matter detection. Often partnered with neutrino beam facilities, a second trend in the field has been leveraging new technologies and techniques to scale up to the ton-scale and beyond.The work presented here will cover the ability of ton-scale scintillators to measure CEvNS interactions with neutrinos from two sources. The first covers the prospects for flavor-blind supernova neutrino burst detection via CEvNS (Eν=10s of MeV) in existing and future large scintillating detectors. This study will present an analytic method for obtaining the expected photon spectra and provide predictions on the CEvNS observation power during the exceedingly neutrino-luminous burst. The second undertaking details the deployment of COHERENT's new multi-ton NaI[Tl] subsystem, a scintillating detector designed to observe CEvNS from pulsed, stopped-pion neutrinos at the Spallation Neutron Source (also 10s of MeV). Analysis of the in-situ backgrounds of the first half-ton module is conducted to lay the foundation for a long-term CEvNS measurement on 23Na.
일반주제명  
Particle physics
일반주제명  
Nuclear physics
일반주제명  
Quantum physics
키워드  
Coherent elastic neutrino-nucleus scattering
키워드  
Neutral-current
키워드  
Neutrinos
키워드  
Scintillators
키워드  
Sodium iodide
기타저자  
Duke University Physics
기본자료저록  
Dissertations Abstracts International. 85-11B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■020    ▼a9798382735498
■035    ▼a(MiAaPQ)AAI31139838
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a593.7
■1001  ▼aMajor,  Adryanna.
■24510▼aCoherent  Elastic  Neutrino-nucleus  Scattering  in  Large-Scale  Scintillators
■260    ▼a[Sl]▼bDuke  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a246  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-11,  Section:  B.
■500    ▼aAdvisor:  Scholberg,  Kate.
■5021  ▼aThesis  (Ph.D.)--Duke  University,  2024.
■520    ▼aThe  growth  in  the  neutrino  sector  over  the  last  several  decades  has  offered  interesting  answers  to  questions  about  the  neutrino's  fundamental  nature  and  the  essential  role  it  plays  in  astrophysical  processes.  The  field's  success  allows  a  trend  towards  bolder  and  more  precise  observations  of  the  oft-eluding  particle,  and  concrete  cross  section  measurements  are  possible  like  never  before.  Coherent  elastic  neutrino-nucleus  scattering  (CEvNS)  is  a  neutral-current  process  in  which  a  neutrino  scatters  off  a  nucleus  as  a  cohesive  unit,  depositing  a  tiny  recoil  energy  (few-to-tens-of-keV).  Observed  for  the  first  time  by  the  COHERENT  experiment  in  2017,  the  clean  theoretical  cross  section  prediction  allows  CEvNS  to  function  as  not  only  a  probe  for  non-standard  interactions  and  nuclear  form  factors,  but  also  as  a  predictable  flavor-blind  signature  from  all  manner  of  sources.  The  process  is  important  in  core-collapse  supernovae  and  also  presents  an  opportunity  for  detection  of  a  burst  of  core-collapse  neutrinos  in  low-threshold  detectors  designed  for  solar  neutrino  and  dark  matter  detection.  Often  partnered  with  neutrino  beam  facilities,  a  second  trend  in  the  field  has  been  leveraging  new  technologies  and  techniques  to  scale  up  to  the  ton-scale  and  beyond.The  work  presented  here  will  cover  the  ability  of  ton-scale  scintillators  to  measure  CEvNS  interactions  with  neutrinos  from  two  sources.  The  first  covers  the  prospects  for  flavor-blind  supernova  neutrino  burst  detection  via  CEvNS  (Eν=10s  of  MeV)  in  existing  and  future  large  scintillating  detectors.  This  study  will  present  an  analytic  method  for  obtaining  the  expected  photon  spectra  and  provide  predictions  on  the  CEvNS  observation  power  during  the  exceedingly  neutrino-luminous  burst.  The  second  undertaking  details  the  deployment  of  COHERENT's  new  multi-ton  NaI[Tl]  subsystem,  a  scintillating  detector  designed  to  observe  CEvNS  from  pulsed,  stopped-pion  neutrinos  at  the  Spallation  Neutron  Source  (also  10s  of  MeV).  Analysis  of  the  in-situ  backgrounds  of  the  first  half-ton  module  is  conducted  to  lay  the  foundation  for  a  long-term  CEvNS  measurement  on  23Na.
■590    ▼aSchool  code:  0066.
■650  4▼aParticle  physics
■650  4▼aNuclear  physics
■650  4▼aQuantum  physics
■653    ▼aCoherent  elastic  neutrino-nucleus  scattering
■653    ▼aNeutral-current
■653    ▼aNeutrinos
■653    ▼aScintillators
■653    ▼aSodium  iodide
■690    ▼a0798
■690    ▼a0756
■690    ▼a0599
■71020▼aDuke  University▼bPhysics.
■7730  ▼tDissertations  Abstracts  International▼g85-11B.
■790    ▼a0066
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17160563▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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