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Title: New method for reducing parton distribution function uncertainties in the high-mass Drell-Yan spectrum

Abstract

Uncertainties in the parametrization of Parton Distribution Functions (PDFs) are becoming a serious limiting systematic uncertainty in Large Hadron Collider (LHC) searches for Beyond the Standard Model physics. This is especially true for measurements at high scales induced by quark and anti-quark collisions, where Drell-Yan continuum backgrounds are dominant. Tools are recently available which enable exploration of PDF fitting strategies and emulate the effects of new data in a future global fit. ePump is such a tool and it is shown that judicious selection of measurable kinematical quantities can reduce the assigned systematic PDF uncertainties by significant factors. This will be made possible by the huge statistical precision of future LHC Standard Model datasets.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1498593
Alternate Identifier(s):
OSTI ID: 1484470
Report Number(s):
arXiv:1809.09481; MSUHEP-18-015; FERMILAB-PUB-18-389-PPD
Journal ID: ISSN 2470-0010; PRVDAQ; 054004
Grant/Contract Number:  
AC02-07CH11359; PHY-1719914; PHY-1707812
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 99 Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Willis, C. G., Brock, R., Hayden, D., Hou, T. -J., Isaacson, J., Schmidt, C., and Yuan, C. -P. New method for reducing parton distribution function uncertainties in the high-mass Drell-Yan spectrum. United States: N. p., 2019. Web. doi:10.1103/PhysRevD.99.054004.
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Willis, C. G., Brock, R., Hayden, D., Hou, T. -J., Isaacson, J., Schmidt, C., & Yuan, C. -P. New method for reducing parton distribution function uncertainties in the high-mass Drell-Yan spectrum. United States. https://doi.org/10.1103/PhysRevD.99.054004
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Willis, C. G., Brock, R., Hayden, D., Hou, T. -J., Isaacson, J., Schmidt, C., and Yuan, C. -P. Fri . "New method for reducing parton distribution function uncertainties in the high-mass Drell-Yan spectrum". United States. https://doi.org/10.1103/PhysRevD.99.054004.
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@article{osti_1498593,
title = {New method for reducing parton distribution function uncertainties in the high-mass Drell-Yan spectrum},
author = {Willis, C. G. and Brock, R. and Hayden, D. and Hou, T. -J. and Isaacson, J. and Schmidt, C. and Yuan, C. -P.},
abstractNote = {Uncertainties in the parametrization of Parton Distribution Functions (PDFs) are becoming a serious limiting systematic uncertainty in Large Hadron Collider (LHC) searches for Beyond the Standard Model physics. This is especially true for measurements at high scales induced by quark and anti-quark collisions, where Drell-Yan continuum backgrounds are dominant. Tools are recently available which enable exploration of PDF fitting strategies and emulate the effects of new data in a future global fit. ePump is such a tool and it is shown that judicious selection of measurable kinematical quantities can reduce the assigned systematic PDF uncertainties by significant factors. This will be made possible by the huge statistical precision of future LHC Standard Model datasets.},
doi = {10.1103/PhysRevD.99.054004},
journal = {Physical Review D},
number = 5,
volume = 99,
place = {United States},
year = {Fri Mar 08 00:00:00 EST 2019},
month = {Fri Mar 08 00:00:00 EST 2019}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1103/PhysRevD.99.054004
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Citation Metrics:
Cited by: 11 works
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Figures / Tables:

TABLE I TABLE I: Observed limits at 95% C.L. on the mass of amore » $Z$$\prime$ boson from the most recent LHC experimental searches. The CMS analysis listed does not provide limits on the $Z$$\prime\atop{χ}$ , which would otherwise be slightly higher than what was obtained for the $Z$ $\prime\atop{ψ}$ . The integrated luminosity for each analysis is rounded to the nearest whole number. The $\ell$$\ell$channel refers searches that combine individual electron and muon channels.« less
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    Figures / Tables found in this record:

    TABLE I (p. 3)table
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