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Title: Comparison of HORACE and PHOTOS Algorithms for Multi-Photon Emission in the Context of the W Boson Mass Measurement

Abstract

W boson mass measurement is sensitive to QED radiative corrections due to virtual photon loops and real photon emission. The largest shift in the measured mass, which depends on the transverse momentum spectrum of the charged lepton from the boson decay, is caused by the emission of real photons from the final-state lepton. There are a number of calculations and codes available to model the final-state photon emission. We perform a detailed study, comparing the results from HORACE and PHOTOS implementations of the final-state multiphoton emission in the context of a direct measurement of W boson mass at Tevatron. Mass fits are performed using a simulation of the CDF II detector.

Authors:
 [1];  [2]
  1. Duke Univ., Durham, NC (United States)
  2. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States). Scientific Computing Div.
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1226336
Alternate Identifier(s):
OSTI ID: 1405289
Report Number(s):
FERMILAB-PUB-15-452-CD
Journal ID: ISSN 1687-7357; arXiv eprint number arXiv:1510.02458
Grant/Contract Number:  
AC02-07CH11359; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Advances in High Energy Physics
Additional Journal Information:
Journal Volume: 2016; Journal ID: ISSN 1687-7357
Publisher:
Hindawi
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Kotwal, Ashutosh V., and Jayatilaka, Bodhitha. Comparison of HORACE and PHOTOS Algorithms for Multi-Photon Emission in the Context of the W Boson Mass Measurement. United States: N. p., 2016. Web. doi:10.1155/2016/1615081.
Kotwal, Ashutosh V., & Jayatilaka, Bodhitha. Comparison of HORACE and PHOTOS Algorithms for Multi-Photon Emission in the Context of the W Boson Mass Measurement. United States. https://doi.org/10.1155/2016/1615081
Kotwal, Ashutosh V., and Jayatilaka, Bodhitha. Fri . "Comparison of HORACE and PHOTOS Algorithms for Multi-Photon Emission in the Context of the W Boson Mass Measurement". United States. https://doi.org/10.1155/2016/1615081. https://www.osti.gov/servlets/purl/1226336.
@article{osti_1226336,
title = {Comparison of HORACE and PHOTOS Algorithms for Multi-Photon Emission in the Context of the W Boson Mass Measurement},
author = {Kotwal, Ashutosh V. and Jayatilaka, Bodhitha},
abstractNote = {W boson mass measurement is sensitive to QED radiative corrections due to virtual photon loops and real photon emission. The largest shift in the measured mass, which depends on the transverse momentum spectrum of the charged lepton from the boson decay, is caused by the emission of real photons from the final-state lepton. There are a number of calculations and codes available to model the final-state photon emission. We perform a detailed study, comparing the results from HORACE and PHOTOS implementations of the final-state multiphoton emission in the context of a direct measurement of W boson mass at Tevatron. Mass fits are performed using a simulation of the CDF II detector.},
doi = {10.1155/2016/1615081},
journal = {Advances in High Energy Physics},
number = ,
volume = 2016,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 2016},
month = {Fri Jan 01 00:00:00 EST 2016}
}

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Works referenced in this record:

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Works referencing / citing this record:

Precision Measurement of the W-Boson Mass: Theoretical Contributions and Uncertainties
text, January 2016