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Title: EFT triangles in the same-sign WW scattering process at the HL-LHC and HE-LHC

Abstract

We investigate the Beyond Standard Model discovery potential in the framework of the Effective Field Theory (EFT) for the same-sign $WW$ scattering process in purely leptonic $$W$$ decay modes at the High-Luminosity and High-Energy phases of the Large Hadron Collider (LHC). The commonly applied procedure of studying the $WWWW$ quartic coupling by testing dimension-8 operators of the EFT one at a time is used in this work. In the considered process there is no experimental handle on the $WW$ invariant mass, and it has previously been shown that the discovery potential at 14 TeV is rather slim. In this paper we report the results calculated for a 27 TeV machine and compare them with the discovery potential obtained at 14 TeV. We find that while the respective discovery regions shift to lower values of the Wilson coefficients, the overall discovery potential of this procedure does not get significantly larger with a higher beam energy.

Authors:
 [1];  [2];  [1];  [3];  [1];  [2];  [4]
+ Show Author Affiliations
  1. Panjab Univ., Chandigarh (India)
  2. Univ. of Warsaw (Poland)
  3. Univ. of Granada (Spain)
  4. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1560851
Report Number(s):
arXiv:1906.10769; FERMILAB-PUB-19-350-PPD
Journal ID: ISSN 1434-6044; oai:inspirehep.net:1741437
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 80; Journal Issue: 3; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Chaudhary, Geetanjali, Kalinowski, Jan, Kaur, Manjit, Kozów, Paweł, Sandeep, Kaur, Szleper, Michał, and Tkaczyk, Sławomir. EFT triangles in the same-sign WW scattering process at the HL-LHC and HE-LHC. United States: N. p., 2020. Web. doi:10.1140/epjc/s10052-020-7728-x.
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Chaudhary, Geetanjali, Kalinowski, Jan, Kaur, Manjit, Kozów, Paweł, Sandeep, Kaur, Szleper, Michał, & Tkaczyk, Sławomir. EFT triangles in the same-sign WW scattering process at the HL-LHC and HE-LHC. United States. https://doi.org/10.1140/epjc/s10052-020-7728-x
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Chaudhary, Geetanjali, Kalinowski, Jan, Kaur, Manjit, Kozów, Paweł, Sandeep, Kaur, Szleper, Michał, and Tkaczyk, Sławomir. Thu . "EFT triangles in the same-sign WW scattering process at the HL-LHC and HE-LHC". United States. https://doi.org/10.1140/epjc/s10052-020-7728-x. https://www.osti.gov/servlets/purl/1560851.
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@article{osti_1560851,
title = {EFT triangles in the same-sign WW scattering process at the HL-LHC and HE-LHC},
author = {Chaudhary, Geetanjali and Kalinowski, Jan and Kaur, Manjit and Kozów, Paweł and Sandeep, Kaur and Szleper, Michał and Tkaczyk, Sławomir},
abstractNote = {We investigate the Beyond Standard Model discovery potential in the framework of the Effective Field Theory (EFT) for the same-sign $WW$ scattering process in purely leptonic $W$ decay modes at the High-Luminosity and High-Energy phases of the Large Hadron Collider (LHC). The commonly applied procedure of studying the $WWWW$ quartic coupling by testing dimension-8 operators of the EFT one at a time is used in this work. In the considered process there is no experimental handle on the $WW$ invariant mass, and it has previously been shown that the discovery potential at 14 TeV is rather slim. In this paper we report the results calculated for a 27 TeV machine and compare them with the discovery potential obtained at 14 TeV. We find that while the respective discovery regions shift to lower values of the Wilson coefficients, the overall discovery potential of this procedure does not get significantly larger with a higher beam energy.},
doi = {10.1140/epjc/s10052-020-7728-x},
journal = {European Physical Journal. C, Particles and Fields},
number = 3,
volume = 80,
place = {United States},
year = {Thu Feb 27 00:00:00 EST 2020},
month = {Thu Feb 27 00:00:00 EST 2020}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1140/epjc/s10052-020-7728-x
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Same-sign WW scattering in the HEFT: discoverability vs. EFT validity
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Same-sign WW scattering at the LHC: can we discover BSM effects before discovering new states?
journal, May 2018

PYTHIA 6.4 physics and manual
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