| Article | |
| Report number | arXiv:2403.10109 ; DESY-24-035 |
| Title | Measurement of the 1-jettiness event shape observable in deep-inelastic electron-proton scattering at HERA |
| Author(s) |
Andreev, V. (Unlisted) ; Arratia, M. (UC, Riverside) ; Baghdasaryan, A. (Yerevan Phys. Inst.) ; Baty, A. (Illinois U., Chicago) ; Begzsuren, K. (Ulaanbaatar U.) ; Bolz, A. (DESY) ; Boudry, V. (Ecole Polytechnique) ; Brandt, G. (Gottingen U., II. Phys. Inst.) ; Britzger, D. (Munich, Max Planck Inst.) ; Buniatyan, A. (Birmingham U.) ; Bystritskaya, L. (Unlisted) ; Campbell, A.J. (DESY) ; Cantun Avila, K.B. (Merida, IPN) ; Cerny, K. (Palacky U.) ; Chekelian, V. (Munich, Max Planck Inst.) ; Chen, Z. (Shandong U.) ; Contreras, J.G. (Merida, IPN) ; Cvach, J. (Prague, Inst. Phys.) ; Dainton, J.B. (Liverpool U.) ; Daum, K. (Wuppertal U.) ; Deshpande, A. (Stony Brook U. ; Brookhaven) ; Diaconu, C. (Marseille, CPPM) ; Drees, A. (Stony Brook U.) ; Eckerlin, G. (DESY) ; Egli, S. (PSI, Villigen) ; Elsen, E. (DESY) ; Favart, L. (Brussels U., IIHE) ; Fedotov, A. (Unlisted) ; Feltesse, J. (IRFU, Saclay) ; Fleischer, M. (DESY) ; Fomenko, A. (Unlisted) ; Gal, C. (Stony Brook U.) ; Gayler, J. (DESY) ; Goerlich, L. (Cracow, INP) ; Gogitidze, N. (DESY) ; Gouzevitch, M. (Unlisted) ; Grab, C. (Zurich, ETH) ; Greenshaw, T. (Liverpool U.) ; Grindhammer, G. (Munich, Max Planck Inst.) ; Haidt, D. (DESY) ; Henderson, R.C. W. (Lancaster U.) ; Hessler, J. (Munich, Max Planck Inst.) ; Hladký, J. (Prague, Inst. Phys.) ; Hoffmann, D. (Marseille, CPPM) ; Horisberger, R. (PSI, Villigen) ; Hreus, T. (Zurich U.) ; Huber, F. (Heidelberg U.) ; Jacobs, P.M. (LBNL, Berkeley) ; Jacquet, M. (IJCLab, Orsay) ; Janssen, T. (Brussels U., IIHE) ; Jung, A.W. (Purdue U.) ; Katzy, J. (DESY) ; Kiesling, C. (Munich, Max Planck Inst.) ; Klein, M. (Liverpool U.) ; Kleinwort, C. (DESY) ; Klest, H.T. (Stony Brook U. ; Argonne, PHY) ; Kluth, S. (Munich, Max Planck Inst.) ; Kogler, R. (DESY) ; Kostka, P. (Liverpool U.) ; Kretzschmar, J. (Liverpool U.) ; Krücker, D. (DESY) ; Krüger, K. (DESY) ; Landon, M.P. J. (Queen Mary, U. of London) ; Lange, W. (DESY) ; Laycock, P. (Brookhaven) ; Lee, S.H. (Michigan U. ; Tennessee U.) ; Levonian, S. (DESY) ; Li, W. (Rice U.) ; Lin, J. (Rice U.) ; Lipka, K. (DESY) ; List, B. (DESY) ; List, J. (DESY) ; Lobodzinski, B. (Munich, Max Planck Inst.) ; Long, O.R. (UC, Riverside) ; Malinovski, E. (Unlisted) ; Martyn, H.-U. (RWTH Aachen U.) ; Maxfield, S.J. (Liverpool U.) ; Mehta, A. (Liverpool U.) ; Meyer, A.B. (DESY) ; Meyer, J. (DESY) ; Mikocki, S. (Cracow, INP) ; Mikuni, V.M. (LBNL, Berkeley) ; Mondal, M.M. (NISER, Jatni) ; Müller, K. (Zurich U.) ; Nachman, B. (LBNL, Berkeley) ; Naumann, Th. (DESY) ; Newman, P.R. (Birmingham U.) ; Niebuhr, C. (DESY) ; Nowak, G. (Cracow, INP) ; Olsson, J.E. (DESY) ; Ozerov, D. (Unlisted) ; Park, S. (Stony Brook U.) ; Pascaud, C. (IJCLab, Orsay) ; Patel, G.D. (Liverpool U.) ; Perez, E. (CERN) ; Petrukhin, A. (Siegen U.) ; Picuric, I. (Montenegro U.) ; Pitzl, D. (DESY) ; Polifka, R. (Charles U.) ; Preins, S. (UC, Riverside) ; Radescu, V. (Heidelberg U.) ; Raicevic, N. (Montenegro U.) ; Ravdandorj, T. (Ulaanbaatar U.) ; Reichelt, D. (Durham U., IPPP) ; Reimer, P. (Prague, Inst. Phys.) ; Rizvi, E. (Queen Mary, U. of London) ; Robmann, P. (Zurich U.) ; Roosen, R. (Brussels U., IIHE) ; Rostovtsev, A. (Unlisted) ; Rotaru, M. (Bucharest, IFIN-HH) ; Sankey, D.P. C. (Rutherford) ; Sauter, M. (Heidelberg U.) ; Sauvan, E. (Marseille, CPPM ; Annecy, LAPP) ; Schmitt, S. (DESY) ; Schmookler, B.A. (Stony Brook U.) ; Schnell, G. (Basque U., Bilbao) ; Schoeffel, L. (IRFU, Saclay) ; Schöning, A. (Heidelberg U.) ; Schumann, S. (Gottingen U.) ; Sefkow, F. (DESY) ; Shushkevich, S. (Munich, Max Planck Inst.) ; Soloviev, Y. (DESY) ; Sopicki, P. (Cracow, INP) ; South, D. (DESY) ; Specka, A. (Ecole Polytechnique) ; Steder, M. (DESY) ; Stella, B. (Rome III U. ; INFN, Rome3) ; Stöcker, L. (Gottingen U.) ; Straumann, U. (Zurich U.) ; Sun, C. (Stony Brook U.) ; Sykora, T. (Charles U.) ; Thompson, P.D. (Birmingham U.) ; Acosta, F. Torales (LBNL, Berkeley) ; Traynor, D. (Queen Mary, U. of London) ; Tseepeldorj, B. (Ulaanbaatar U.) ; Tu, Z. (Brookhaven) ; Tustin, G. (Stony Brook U.) ; Valkárová, A. (Charles U.) ; Vallée, C. (Marseille, CPPM) ; Van Mechelen, P. (Brussels U., IIHE) ; Wegener, D. (Dortmund U.) ; Wünsch, E. (DESY) ; Žáček, J. (Charles U.) ; Zhang, J. (Shandong U.) ; Zhang, Z. (IJCLab, Orsay) ; Žlebčík, R. (Charles U.) ; Zohrabyan, H. (Yerevan Phys. Inst.) ; Zomer, F. (IJCLab, Orsay) |
| Publication | 2024-08-07 |
| Imprint | 2024-03-15 |
| Number of pages | 42 |
| In: | Eur. Phys. J. C 84 (2024) 785 |
| DOI | 10.1140/epjc/s10052-024-13115-8 |
| Subject category | nucl-ex ; Nuclear Physics - Experiment ; hep-ph ; Particle Physics - Phenomenology ; hep-ex ; Particle Physics - Experiment |
| Accelerator/Facility, Experiment | DESY HERA H1 |
| Abstract | The H1 Collaboration reports the first measurement of the 1-jettiness event shape observable $\tau_1^b$ in neutral-current deep-inelastic electron-proton scattering (DIS). The observable $\tau_1^b$ is equivalent to a thrust observable defined in the Breit frame. The data sample was collected at the HERA $ep$ collider in the years 2003-2007 with center-of-mass energy of $\sqrt{s}=319\,\text{GeV}$, corresponding to an integrated luminosity of $351.1\,\text{pb}^{-1}$. Triple differential cross sections are provided as a function of $\tau_1^b$, event virtuality $Q^2$, and inelasticity $y$, in the kinematic region $Q^2>150\,\text{GeV}^{2}$. Single differential cross section are provided as a function of $\tau_1^b$ in a limited kinematic range. Double differential cross sections are measured, in contrast, integrated over $\tau_1^b$ and represent the inclusive neutral-current DIS cross section measured as a function of $Q^2$ and $y$. The data are compared to a variety of predictions and include classical and modern Monte Carlo event generators, predictions in fixed-order perturbative QCD where calculations up to $\mathcal{O}(\alpha_s^3)$ are available for $\tau_1^b$ or inclusive DIS, and resummed predictions at next-to-leading logarithmic accuracy matched to fixed order predictions at $\mathcal{O}(\alpha_s^2)$. These comparisons reveal sensitivity of the 1-jettiness observable to QCD parton shower and resummation effects, as well as the modeling of hadronization and fragmentation. Within their range of validity, the fixed-order predictions provide a good description of the data. Monte Carlo event generators are predictive over the full measured range and hence their underlying models and parameters can be constrained by comparing to the presented data. |
| Copyright/License | preprint: (License: arXiv nonexclusive-distrib 1.0) publication: © 2024 The Author(s) (License: CC-BY-4.0), sponsored by SCOAP³ |
Corresponding record in: Inspire
Record created 2024-03-21, last modified 2024-08-16