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Abt, I, Aggarwal, R, Andreev, V, Arratia, M, Aushev, V, Baghdasaryan, A, Baty, A, Begzsuren, K, Behnke, O, Belousov, A et al (show 226 more authors) , Bertolin, A, Bloch, I, Boudry, V, Brandt, G, Brock, I, Brook, NH, Brugnera, R, Bruni, A, Buniatyan, A, Bussey, PJ, Bystritskaya, L, Caldwell, A, Campbell, AJ, Cantun Avila, KB, Catterall, CD, Cerny, K, Chekelian, V, Chen, Z, Chwastowski, J, Ciborowski, J, Ciesielski, R, Contreras, JG, Cooper-Sarkar, AM, Corradi, M, Mendez, L Cunqueiro, Currie, J, Cvach, J, Dainton, JB, Daum, K, Dementiev, RK, Deshpande, A, Diaconu, C, Dusini, S, Eckerlin, G, Egli, S, Elsen, E, Favart, L, Fedotov, A, Feltesse, J, Ferrando, J, Fleischer, M, Fomenko, A, Foster, B, Gal, C, Gallo, E, Gangadharan, D, Garfagnini, A, Gayler, J, Gehrmann-De Ridder, A, Gehrmann, T, Geiser, A, Gladilin, LK, Glover, EWN, Goerlich, L, Gogitidze, N, Golubkov, Yu A, Gouzevitch, M, Grab, C, Greenshaw, T 
ORCID: 0000-0003-1897-5810, Grindhammer, G, Grzelak, G, Gwenlan, C, Haidt, D, Henderson, RCW, Hladky, J, Hochman, D, Hoffmann, D, Horisberger, R, Hreus, T, Huber, F, Huss, A, Jacobs, PM, Jacquet, M, Janssen, T, Jomhari, NZ, Jung, AW, Jung, H, Kadenko, I, Kapichine, M, Karshon, U, Katzy, J, Kaur, P, Kiesling, C, Klanner, R, Klein, M, Klein, U ORCID: 0000-0001-7391-5330, Kleinwort, C, Klest, HT, Kogler, R, Korzhavina, IA, Kostka, P, Kovalchuk, N, Kretzschmar, J ORCID: 0000-0002-8515-1355, Kruecker, D, Kruger, K, Kuze, M, Landon, MPJ, Lange, W, Laycock, P, Lee, SH, Levchenko, BB, Levonian, S, Levy, A, Li, W, Lin, J, Lipka, K, List, B, List, J, Lobodzinski, B, Loehr, B, Lohrmann, E, Long, OR, Longhin, A, Lorkowski, F, Lukina, O Yu, Makarenko, I, Malinovski, E, Malka, J, Martyn, H-U, Masciocchi, S, Maxfield, SJ ORCID: 0000-0002-2133-1269, Mehta, A ORCID: 0000-0003-2619-9743, Meyer, AB, Meyer, J, Mikocki, S, Mikuni, VM, Mondal, MM, Morgan, T, Morozov, A, Muller, K, Nachman, B, Nagano, K, Nam, JD, Naumann, Th, Newman, PR, Niebuhr, C, Niehues, J, Nowak, G, Olsson, JE, Onishchuk, Yu, Ozerov, D, Park, S, Pascaud, C, Patel, GD, Paul, E, Perez, E, Petrukhin, A, Picuric, I, Pidhurskyi, I, Pires, J, Pitzl, D, Polifka, R, Polini, A, Preins, S, Przybycien, M, Quintero, A, Rabbertz, K, Radescu, V, Raicevic, N, Ravdandorj, T, Reimer, P, Rizvi, E, Robmann, P, Roosen, R, Rostovtsev, A, Rotaru, M, Ruspa, M, Sankey, DPC, Sauter, M, Sauvan, E, Schmitt, S, Schmookler, BA, Schneekloth, U, Schoeffel, L, Schoening, A, Schoerner-Sadenius, T, Sefkow, F, Selyuzhenkov, I, Shchedrolosiev, M, Shcheglova, LM, Shushkevich, S, Skillicorn, IO, Slominski, W, Solano, A, Soloviev, Y, Sopicki, P, South, D, Spaskov, V, Specka, A, Stanco, L, Steder, M, Stefaniuk, N, Stella, B, Straumann, U, Sun, C, Surrow, B, Sutton, MR, Sykora, T, Thompson, PD, Tokushuku, K, Traynor, D, Tseepeldorj, B, Tu, Z, Turkot, O, Tymieniecka, T, Valkarova, A, Vallee, C, Van Mechelen, P, Verbytskyi, A, Abdullah, WAT Wan, Wegener, D, Wichmann, K, Wing, M, Wunsch, E, Yamada, S, Yamazaki, Y, Zacek, J, Zarnecki, AF, Zenaiev, O, Zhang, J, Zhang, Z, Zlebcik, R, Zohrabyan, H, Zomer, F, Collaboration, H1 and Collaboration, ZEUS
(2022)
Impact of jet-production data on the next-to-next-to-leading-order determination of HERAPDF2.0 parton distributions.
EUROPEAN PHYSICAL JOURNAL C, 82 (3).
243-.
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Abstract
The HERAPDF2.0 ensemble of parton distribution functions (PDFs) was
introduced in 2015. The final stage is presented, a
next-to-next-to-leading-order (NNLO) analysis of the HERA data on inclusive
deep inelastic $ep$ scattering together with jet data as published by the H1
and ZEUS collaborations. A perturbative QCD fit, simultaneously of
$\alpha_s(M_Z^2)$ and and the PDFs, was performed with the result
$\alpha_s(M_Z^2) = 0.1156 \pm 0.0011~{\rm (exp)}~ ^{+0.0001}_{-0.0002}~ {\rm
(model}$ ${\rm +~parameterisation)}~ \pm 0.0029~{\rm (scale)}$. The PDF sets of
HERAPDF2.0Jets NNLO were determined with separate fits using two fixed values
of $\alpha_s(M_Z^2)$, $\alpha_s(M_Z^2)=0.1155$ and $0.118$, since the latter
value was already chosen for the published HERAPDF2.0 NNLO analysis based on
HERA inclusive DIS data only. The different sets of PDFs are presented,
evaluated and compared. The consistency of the PDFs determined with and without
the jet data demonstrates the consistency of HERA inclusive and jet-production
cross-section data. The inclusion of the jet data reduced the uncertainty on
the gluon PDF. Predictions based on the PDFs of HERAPDF2.0Jets NNLO give an
excellent description of the jet-production data used as input.
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