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Title: HERAFitter: Open source QCD fit project

Abstract

HERAFitter is an open-source package that provides a framework for the determination of the parton distribution functions (PDFs) of the proton and for many different kinds of analyses in Quantum Chromodynamics (QCD). It encodes results from a wide range of experimental measurements in lepton-proton deep inelastic scattering and proton-proton (proton-antiproton) collisions at hadron colliders. These are complemented with a variety of theoretical options for calculating PDF-dependent cross section predictions corresponding to the measurements. The framework covers a large number of the existing methods and schemes used for PDF determination. The data and theoretical predictions are brought together through numerous methodological options for carrying out PDF fits and plotting tools to help visualise the results. While primarily based on the approach of collinear factorisation, HERAFitter also provides facilities for fits of dipole models and transverse-momentum dependent PDFs. The package can be used to study the impact of new precise measurements from hadron colliders. This paper describes the general structure of HERAFitter and its wide choice of options.

Authors:
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Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
ZEUS Collaboration; H1 Collaboration
OSTI Identifier:
1390210
Alternate Identifier(s):
OSTI ID: 1390208
Report Number(s):
DESY-14-188; DESY-REPORT-14-188; FERMILAB-PUB-14-603-CMS; arXiv:1410.4412
Journal ID: ISSN 1434-6044; 1322585
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 75; Journal Issue: 7; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Alekhin, S., Behnke, O., Belov, P., Borroni, S., Botje, M., Britzger, D., Camarda, S., Cooper-Sarkar, A. M., Daum, K., Diaconu, C., Feltesse, J., Gizhko, A., Glazov, A., Guffanti, A., Guzzi, M., Hautmann, F., Jung, A., Jung, H., Kolesnikov, V., Kowalski, H., Kuprash, O., Kusina, A., Levonian, S., Lipka, K., Lobodzinski, B., Lohwasser, K., Luszczak, A., Malaescu, B., McNulty, R., Myronenko, V., Naumann-Emme, S., Nowak, K., Olness, F., Perez, E., Pirumov, H., Plačakytė, R., Rabbertz, K., Radescu, V., Sadykov, R., Salam, G. P., Sapronov, A., Schöning, A., Schörner-Sadenius, T., Shushkevich, S., Slominski, W., Spiesberger, H., Starovoitov, P., Sutton, M., Tomaszewska, J., Turkot, O., Vargas, A., Watt, G., and Wichmann, K. HERAFitter: Open source QCD fit project. United States: N. p., 2015. Web. doi:10.1140/epjc/s10052-015-3480-z.
Alekhin, S., Behnke, O., Belov, P., Borroni, S., Botje, M., Britzger, D., Camarda, S., Cooper-Sarkar, A. M., Daum, K., Diaconu, C., Feltesse, J., Gizhko, A., Glazov, A., Guffanti, A., Guzzi, M., Hautmann, F., Jung, A., Jung, H., Kolesnikov, V., Kowalski, H., Kuprash, O., Kusina, A., Levonian, S., Lipka, K., Lobodzinski, B., Lohwasser, K., Luszczak, A., Malaescu, B., McNulty, R., Myronenko, V., Naumann-Emme, S., Nowak, K., Olness, F., Perez, E., Pirumov, H., Plačakytė, R., Rabbertz, K., Radescu, V., Sadykov, R., Salam, G. P., Sapronov, A., Schöning, A., Schörner-Sadenius, T., Shushkevich, S., Slominski, W., Spiesberger, H., Starovoitov, P., Sutton, M., Tomaszewska, J., Turkot, O., Vargas, A., Watt, G., & Wichmann, K. HERAFitter: Open source QCD fit project. United States. doi:10.1140/epjc/s10052-015-3480-z.
Alekhin, S., Behnke, O., Belov, P., Borroni, S., Botje, M., Britzger, D., Camarda, S., Cooper-Sarkar, A. M., Daum, K., Diaconu, C., Feltesse, J., Gizhko, A., Glazov, A., Guffanti, A., Guzzi, M., Hautmann, F., Jung, A., Jung, H., Kolesnikov, V., Kowalski, H., Kuprash, O., Kusina, A., Levonian, S., Lipka, K., Lobodzinski, B., Lohwasser, K., Luszczak, A., Malaescu, B., McNulty, R., Myronenko, V., Naumann-Emme, S., Nowak, K., Olness, F., Perez, E., Pirumov, H., Plačakytė, R., Rabbertz, K., Radescu, V., Sadykov, R., Salam, G. P., Sapronov, A., Schöning, A., Schörner-Sadenius, T., Shushkevich, S., Slominski, W., Spiesberger, H., Starovoitov, P., Sutton, M., Tomaszewska, J., Turkot, O., Vargas, A., Watt, G., and Wichmann, K. Wed . "HERAFitter: Open source QCD fit project". United States. doi:10.1140/epjc/s10052-015-3480-z. https://www.osti.gov/servlets/purl/1390210.
@article{osti_1390210,
title = {HERAFitter: Open source QCD fit project},
author = {Alekhin, S. and Behnke, O. and Belov, P. and Borroni, S. and Botje, M. and Britzger, D. and Camarda, S. and Cooper-Sarkar, A. M. and Daum, K. and Diaconu, C. and Feltesse, J. and Gizhko, A. and Glazov, A. and Guffanti, A. and Guzzi, M. and Hautmann, F. and Jung, A. and Jung, H. and Kolesnikov, V. and Kowalski, H. and Kuprash, O. and Kusina, A. and Levonian, S. and Lipka, K. and Lobodzinski, B. and Lohwasser, K. and Luszczak, A. and Malaescu, B. and McNulty, R. and Myronenko, V. and Naumann-Emme, S. and Nowak, K. and Olness, F. and Perez, E. and Pirumov, H. and Plačakytė, R. and Rabbertz, K. and Radescu, V. and Sadykov, R. and Salam, G. P. and Sapronov, A. and Schöning, A. and Schörner-Sadenius, T. and Shushkevich, S. and Slominski, W. and Spiesberger, H. and Starovoitov, P. and Sutton, M. and Tomaszewska, J. and Turkot, O. and Vargas, A. and Watt, G. and Wichmann, K.},
abstractNote = {HERAFitter is an open-source package that provides a framework for the determination of the parton distribution functions (PDFs) of the proton and for many different kinds of analyses in Quantum Chromodynamics (QCD). It encodes results from a wide range of experimental measurements in lepton-proton deep inelastic scattering and proton-proton (proton-antiproton) collisions at hadron colliders. These are complemented with a variety of theoretical options for calculating PDF-dependent cross section predictions corresponding to the measurements. The framework covers a large number of the existing methods and schemes used for PDF determination. The data and theoretical predictions are brought together through numerous methodological options for carrying out PDF fits and plotting tools to help visualise the results. While primarily based on the approach of collinear factorisation, HERAFitter also provides facilities for fits of dipole models and transverse-momentum dependent PDFs. The package can be used to study the impact of new precise measurements from hadron colliders. This paper describes the general structure of HERAFitter and its wide choice of options.},
doi = {10.1140/epjc/s10052-015-3480-z},
journal = {European Physical Journal. C, Particles and Fields},
number = 7,
volume = 75,
place = {United States},
year = {2015},
month = {7}
}

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