Search for production of an $$\Upsilon$$(1S) meson in association with a W or Z boson using the full 1.96 TeV $$p\bar{p}$$ collision data set at CDF
Abstract
Production of the Υ(1S) meson in association with a vector boson is a rare process in the standard model with a cross section predicted to be below the sensitivity of the Tevatron. Observation of this process could signify contributions not described by the standard model or reveal limitations with the current nonrelativistic quantum-chromodynamic models used to calculate the cross section. We perform a search for this process using the full Run II data set collected by the CDF II detector corresponding to an integrated luminosity of 9.4 fb-1. Our search considers the Υ→μμ decay and the decay of the W and Z bosons into muons and electrons. Furthermore, in these purely leptonic decay channels, we observe one ΥW candidate with an expected background of 1.2±0.5 events, and one ΥZcandidate with an expected background of 0.1±0.1 events. Both observations are consistent with the predicted background contributions. The resulting upper limits on the cross section for Υ+W/Zproduction are the most sensitive reported from a single experiment and place restrictions on potential contributions from non-standard-model physics.
- Authors:
-
- Univ. of Helsinki (Finland). et al.
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- CDF Collaboration
- OSTI Identifier:
- 1226311
- Alternate Identifier(s):
- OSTI ID: 1180705
- Report Number(s):
- FERMILAB-PUB-14-540-PPD
Journal ID: ISSN 1550-7998; arXiv eprint number arXiv:1412.4827; TRN: US1600955
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. D, Particles, Fields, Gravitation and Cosmology
- Additional Journal Information:
- Journal Volume: 91; Journal Issue: 05; Journal ID: ISSN 1550-7998
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Aaltonen, T. Search for production of an $\Upsilon$(1S) meson in association with a W or Z boson using the full 1.96 TeV $p\bar{p}$ collision data set at CDF. United States: N. p., 2015.
Web. doi:10.1103/PhysRevD.91.052011.
Aaltonen, T. Search for production of an $\Upsilon$(1S) meson in association with a W or Z boson using the full 1.96 TeV $p\bar{p}$ collision data set at CDF. United States. https://doi.org/10.1103/PhysRevD.91.052011
Aaltonen, T. Tue .
"Search for production of an $\Upsilon$(1S) meson in association with a W or Z boson using the full 1.96 TeV $p\bar{p}$ collision data set at CDF". United States. https://doi.org/10.1103/PhysRevD.91.052011. https://www.osti.gov/servlets/purl/1226311.
@article{osti_1226311,
title = {Search for production of an $\Upsilon$(1S) meson in association with a W or Z boson using the full 1.96 TeV $p\bar{p}$ collision data set at CDF},
author = {Aaltonen, T.},
abstractNote = {Production of the Υ(1S) meson in association with a vector boson is a rare process in the standard model with a cross section predicted to be below the sensitivity of the Tevatron. Observation of this process could signify contributions not described by the standard model or reveal limitations with the current nonrelativistic quantum-chromodynamic models used to calculate the cross section. We perform a search for this process using the full Run II data set collected by the CDF II detector corresponding to an integrated luminosity of 9.4 fb-1. Our search considers the Υ→μμ decay and the decay of the W and Z bosons into muons and electrons. Furthermore, in these purely leptonic decay channels, we observe one ΥW candidate with an expected background of 1.2±0.5 events, and one ΥZcandidate with an expected background of 0.1±0.1 events. Both observations are consistent with the predicted background contributions. The resulting upper limits on the cross section for Υ+W/Zproduction are the most sensitive reported from a single experiment and place restrictions on potential contributions from non-standard-model physics.},
doi = {10.1103/PhysRevD.91.052011},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 05,
volume = 91,
place = {United States},
year = {Tue Mar 17 00:00:00 EDT 2015},
month = {Tue Mar 17 00:00:00 EDT 2015}
}
Web of Science
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Works referencing / citing this record:
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