Search for new long-lived particles at s=13 TeV
A search for long-lived particles was performed with data corresponding to an integrated luminosity of 2.6 fb−1 collected at a center-of-mass energy of 13 TeV by the CMS experiment in 2015. The analysis exploits two customized topological trigger algorithms, and uses the multiplicity of displaced...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English English English |
| Published: |
Elsevier
2018
|
| Subjects: | |
| Online Access: | http://irep.iium.edu.my/65243/ http://irep.iium.edu.my/65243/ http://irep.iium.edu.my/65243/ http://irep.iium.edu.my/65243/1/65243_Search%20for%20new%20long-lived%20particles_article.pdf http://irep.iium.edu.my/65243/2/65243_Search%20for%20new%20long-lived%20particles_scopus.pdf http://irep.iium.edu.my/65243/13/65243%20Search%20for%20new%20long-lived%20particles%20at%20s%3D13%20TeV_wos.pdf |
| id |
iium-65243 |
|---|---|
| recordtype |
eprints |
| spelling |
iium-652432019-01-24T08:03:53Z http://irep.iium.edu.my/65243/ Search for new long-lived particles at s=13 TeV Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli QC Physics A search for long-lived particles was performed with data corresponding to an integrated luminosity of 2.6 fb−1 collected at a center-of-mass energy of 13 TeV by the CMS experiment in 2015. The analysis exploits two customized topological trigger algorithms, and uses the multiplicity of displaced jets to search for the presence of a signal decay occurring at distances between 1 and 1000 mm. The results can be interpreted in a variety of different models. For pair-produced long-lived particles decaying to two b quarks and two leptons with equal decay rates between lepton flavors, cross sections larger than 2.5 fb are excluded for proper decay lengths between 70–100 mm for a long-lived particle mass of 1130 GeV at 95% confidence. For a specific model of pair-produced, long-lived top squarks with R-parity violating decays to a b quark and a lepton, masses below 550–1130 GeV are excluded at 95% confidence for equal branching fractions between lepton flavors, depending on the squark decay length. This mass bound is the most stringent to date for top squark proper decay lengths greater than 3 mm Elsevier 2018-05-10 Article PeerReviewed application/pdf en http://irep.iium.edu.my/65243/1/65243_Search%20for%20new%20long-lived%20particles_article.pdf application/pdf en http://irep.iium.edu.my/65243/2/65243_Search%20for%20new%20long-lived%20particles_scopus.pdf application/pdf en http://irep.iium.edu.my/65243/13/65243%20Search%20for%20new%20long-lived%20particles%20at%20s%3D13%20TeV_wos.pdf Sirunyan, A. M. and Tumasyan, A. R. and Adam, Wolfgang and Ambrogi, Federico and Asilar, Ece and Md. Ali, Mohd. Adli (2018) Search for new long-lived particles at s=13 TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 780. pp. 432-454. ISSN 0370-2693 https://reader.elsevier.com/reader/sd/F6F7DCE6BBD873E274D90034B05C48227026ACA0648D8B74FC7430AFA4CB152AD772A93172F25DB79F3202A2CC88CFE1 10.1016/j.physletb.2018.03.019 |
| repository_type |
Digital Repository |
| institution_category |
Local University |
| institution |
International Islamic University Malaysia |
| building |
IIUM Repository |
| collection |
Online Access |
| language |
English English English |
| topic |
QC Physics |
| spellingShingle |
QC Physics Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli Search for new long-lived particles at s=13 TeV |
| description |
A search for long-lived particles was performed with data corresponding to an integrated luminosity of
2.6 fb−1 collected at a center-of-mass energy of 13 TeV by the CMS experiment in 2015. The analysis
exploits two customized topological trigger algorithms, and uses the multiplicity of displaced jets to
search for the presence of a signal decay occurring at distances between 1 and 1000 mm. The results can
be interpreted in a variety of different models. For pair-produced long-lived particles decaying to two b
quarks and two leptons with equal decay rates between lepton flavors, cross sections larger than 2.5 fb
are excluded for proper decay lengths between 70–100 mm for a long-lived particle mass of 1130 GeV
at 95% confidence. For a specific model of pair-produced, long-lived top squarks with R-parity violating
decays to a b quark and a lepton, masses below 550–1130 GeV are excluded at 95% confidence for equal
branching fractions between lepton flavors, depending on the squark decay length. This mass bound is
the most stringent to date for top squark proper decay lengths greater than 3 mm |
| format |
Article |
| author |
Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli |
| author_facet |
Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli |
| author_sort |
Sirunyan, A. M. |
| title |
Search for new long-lived particles at s=13 TeV |
| title_short |
Search for new long-lived particles at s=13 TeV |
| title_full |
Search for new long-lived particles at s=13 TeV |
| title_fullStr |
Search for new long-lived particles at s=13 TeV |
| title_full_unstemmed |
Search for new long-lived particles at s=13 TeV |
| title_sort |
search for new long-lived particles at s=13 tev |
| publisher |
Elsevier |
| publishDate |
2018 |
| url |
http://irep.iium.edu.my/65243/ http://irep.iium.edu.my/65243/ http://irep.iium.edu.my/65243/ http://irep.iium.edu.my/65243/1/65243_Search%20for%20new%20long-lived%20particles_article.pdf http://irep.iium.edu.my/65243/2/65243_Search%20for%20new%20long-lived%20particles_scopus.pdf http://irep.iium.edu.my/65243/13/65243%20Search%20for%20new%20long-lived%20particles%20at%20s%3D13%20TeV_wos.pdf |
| first_indexed |
2023-09-18T21:32:34Z |
| last_indexed |
2023-09-18T21:32:34Z |
| _version_ |
1777412608880541696 |