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Search for Microscopic Black Holes and Sphalerons in Proton-Proton Collisions at 13 TeV
Search for Microscopic Black Holes and Sphalerons in Proton-Proton Collisions at 13 TeV
Detailed Information
- Material Type
- 단행본
- 0017360963
- Date and Time of Latest Transaction
- 20260202105644
- ISBN
- 9798270213329
- DDC
- 530
- Author
- Lo, Ya-Feng.
- Title/Author
- Search for Microscopic Black Holes and Sphalerons in Proton-Proton Collisions at 13 TeV
- Publish Info
- [Sl] : University of California, Los Angeles, 2025
- Publish Info
- Ann Arbor : ProQuest Dissertations & Theses, 2025
- Material Info
- 139 p
- General Note
- Source: Dissertations Abstracts International, Volume: 87-06, Section: B.
- General Note
- Advisor: Hauser, Jay.
- 학위논문주기
- Thesis (Ph.D.Physics.)--University of California, Los Angeles, 2025.
- Abstracts/Etc
- 요약This thesis presents a search for microscopic black holes and sphalerons using proton-proton collisions at √ s = 13 TeV recorded by the CMS detector during the 2016−2018 data taking, and corresponding to an integrated luminosity of 138 fb−1 , is presented. Two data-driven search strategies are used. Model independent limits on the cross section of a new physics signal with multiple jets and leptons are set using a method that relies on the shape invariance of the scalar sum of the transverse momenta of all objects in the event. Model dependent limits on black hole and sphaleron production are set using the best results from scanning the model independent limits. In the context of models with large extra dimensions, semiclassical black holes with masses below 8.0−10.6 TeV are excluded, significantly extending the reach in comparison to limits from previous searches. Results of a dedicated search for electroweak sphalerons are used to derive an upper limit of 0.0027 at 95% confidence level on the fraction of all quark-quark interactions above the nominal threshold of 9 TeV energy for the sphaleron transition.
- Subject Added Entry-Topical Term
- Physics
- Subject Added Entry-Topical Term
- Nuclear physics
- Subject Added Entry-Topical Term
- Theoretical physics
- Index Term-Uncontrolled
- Proton-proton collisions
- Index Term-Uncontrolled
- Microscopic black holes
- Index Term-Uncontrolled
- Luminosity
- Index Term-Uncontrolled
- Sphaleron transition
- Added Entry-Corporate Name
- University of California, Los Angeles Physics 0666
- Host Item Entry
- Dissertations Abstracts International. 87-06B.
- Electronic Location and Access
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■020 ▼a9798270213329
■035 ▼a(MiAaPQ)AAI32399870
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a530
■1001 ▼aLo, Ya-Feng.
■24510▼aSearch for Microscopic Black Holes and Sphalerons in Proton-Proton Collisions at 13 TeV
■260 ▼a[Sl]▼bUniversity of California, Los Angeles▼c2025
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2025
■300 ▼a139 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-06, Section: B.
■500 ▼aAdvisor: Hauser, Jay.
■5021 ▼aThesis (Ph.D.Physics.)--University of California, Los Angeles, 2025.
■520 ▼aThis thesis presents a search for microscopic black holes and sphalerons using proton-proton collisions at √ s = 13 TeV recorded by the CMS detector during the 2016−2018 data taking, and corresponding to an integrated luminosity of 138 fb−1 , is presented. Two data-driven search strategies are used. Model independent limits on the cross section of a new physics signal with multiple jets and leptons are set using a method that relies on the shape invariance of the scalar sum of the transverse momenta of all objects in the event. Model dependent limits on black hole and sphaleron production are set using the best results from scanning the model independent limits. In the context of models with large extra dimensions, semiclassical black holes with masses below 8.0−10.6 TeV are excluded, significantly extending the reach in comparison to limits from previous searches. Results of a dedicated search for electroweak sphalerons are used to derive an upper limit of 0.0027 at 95% confidence level on the fraction of all quark-quark interactions above the nominal threshold of 9 TeV energy for the sphaleron transition.
■590 ▼aSchool code: 0031.
■650 4▼aPhysics
■650 4▼aNuclear physics
■650 4▼aTheoretical physics
■653 ▼aProton-proton collisions
■653 ▼aMicroscopic black holes
■653 ▼aLuminosity
■653 ▼aSphaleron transition
■690 ▼a0605
■690 ▼a0753
■690 ▼a0756
■71020▼aUniversity of California, Los Angeles▼bPhysics 0666.
■7730 ▼tDissertations Abstracts International▼g87-06B.
■790 ▼a0031
■791 ▼aPh.D.Physics.
■792 ▼a2025
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360963▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
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