Search for massive WH resonances decaying into the $$\ell \nu \mathrm{b} \overline{\mathrm{b}} $$ final state at $$\sqrt{s}=8$$ $$~\text {TeV}$$
Abstract
A search for a massive resonance W ' decaying into a W and a Higgs boson in the ℓν$$b\bar{b}$$ (ℓ= e , μ) final state is presented. Results are based on data corresponding to an integrated luminosity of 19.7fb - 1 of proton–proton collisions at s= 8 TeV , collected using the CMS detector at the LHC. For a high-mass (≳ 1TeV) resonance, the two bottom quarks coming from the Higgs boson decay are reconstructed as a single jet, which can be tagged by placing requirements on its substructure and flavour. Exclusion limits at 95 % confidence level are set on the production cross section of a narrow resonance decaying into WH, as a function of its mass. In the context of a little Higgs model, a lower limit on the W ' mass of 1.4TeV is set. In a heavy vector triplet model that mimics the properties of composite Higgs models, a lower limit on the W ' mass of 1.5TeV is set. In the context of this model, the results are combined with related searches to obtain a lower limit on the W' mass of 1.8TeV , the most restrictive to date for decays to a pair of standard model bosons.
- Authors:
-
- Yerevan Physics Inst. (YerPhI), Yerevan (Armenia). et al.
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- CMS Collaboration; The CMS Collaboration
- OSTI Identifier:
- 1253578
- Alternate Identifier(s):
- OSTI ID: 1411631
- Report Number(s):
- FERMILAB-PUB-16-023-CMS; CMS-EXO-14-010; CERN-PH-2015-332; CERN-PH-EP-2015-332; arXiv:1601.06431
Journal ID: ISSN 1434-6044; 1416821
- Grant/Contract Number:
- AC02-07CH11359; AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- European Physical Journal. C, Particles and Fields
- Additional Journal Information:
- Journal Volume: 76; Journal Issue: 5; Journal ID: ISSN 1434-6044
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Khachatryan, Vardan. Search for massive WH resonances decaying into the $\ell \nu \mathrm{b} \overline{\mathrm{b}} $ final state at $\sqrt{s}=8$ $~\text {TeV}$. United States: N. p., 2016.
Web. doi:10.1140/epjc/s10052-016-4067-z.
Khachatryan, Vardan. Search for massive WH resonances decaying into the $\ell \nu \mathrm{b} \overline{\mathrm{b}} $ final state at $\sqrt{s}=8$ $~\text {TeV}$. United States. https://doi.org/10.1140/epjc/s10052-016-4067-z
Khachatryan, Vardan. Thu .
"Search for massive WH resonances decaying into the $\ell \nu \mathrm{b} \overline{\mathrm{b}} $ final state at $\sqrt{s}=8$ $~\text {TeV}$". United States. https://doi.org/10.1140/epjc/s10052-016-4067-z. https://www.osti.gov/servlets/purl/1253578.
@article{osti_1253578,
title = {Search for massive WH resonances decaying into the $\ell \nu \mathrm{b} \overline{\mathrm{b}} $ final state at $\sqrt{s}=8$ $~\text {TeV}$},
author = {Khachatryan, Vardan},
abstractNote = {A search for a massive resonance W ' decaying into a W and a Higgs boson in the ℓν$b\bar{b}$ (ℓ= e , μ) final state is presented. Results are based on data corresponding to an integrated luminosity of 19.7fb - 1 of proton–proton collisions at s= 8 TeV , collected using the CMS detector at the LHC. For a high-mass (≳ 1TeV) resonance, the two bottom quarks coming from the Higgs boson decay are reconstructed as a single jet, which can be tagged by placing requirements on its substructure and flavour. Exclusion limits at 95 % confidence level are set on the production cross section of a narrow resonance decaying into WH, as a function of its mass. In the context of a little Higgs model, a lower limit on the W ' mass of 1.4TeV is set. In a heavy vector triplet model that mimics the properties of composite Higgs models, a lower limit on the W ' mass of 1.5TeV is set. In the context of this model, the results are combined with related searches to obtain a lower limit on the W' mass of 1.8TeV , the most restrictive to date for decays to a pair of standard model bosons.},
doi = {10.1140/epjc/s10052-016-4067-z},
journal = {European Physical Journal. C, Particles and Fields},
number = 5,
volume = 76,
place = {United States},
year = {Thu Apr 28 00:00:00 EDT 2016},
month = {Thu Apr 28 00:00:00 EDT 2016}
}
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