CERN Accelerating science

Article
Report number DESY-16-035 ; arXiv:1604.01280
Title Limits on the effective quark radius from inclusive $ep$ scattering at HERA
Author(s)

Abramowicz, H (Tel Aviv U.) ; Abt, I (Munich, Max Planck Inst.) ; Adamczyk, L (AGH-UST, Cracow) ; Adamus, M (NCBJ, Swierk) ; Antonelli, S (INFN, Bologna ; Bologna U.) ; Aushev, V (Taras Shevchenko U.) ; Behnke, O (DESY) ; Behrens, U (DESY) ; Bertolin, A (INFN, Padua) ; Bloch, I (DESY, Zeuthen) ; Boos, EG (IPT, Kazakstan) ; Brock, I (Bonn U.) ; Brook, NH (University Coll. London) ; Brugnera, R (INFN, Padua ; Padua U.) ; Bruni, A (INFN, Bologna) ; Bussey, PJ (Glasgow U.) ; Caldwell, A (Munich, Max Planck Inst.) ; Capua, M (INFN, Cosenza ; Calabria U.) ; Catterall, CD (York U., Canada) ; Chwastowski, J (Cracow, INP) ; Ciborowski, J (Warsaw U. ; Lodz U.) ; Ciesielski, R (DESY ; Rockefeller U.) ; Cooper-Sarkar, AM (Oxford U.) ; Corradi, M (INFN, Bologna ; INFN, Rome) ; Dementiev, RK (Moscow State U.) ; Devenish, RCE (Oxford U.) ; Dusini, S (INFN, Padua) ; Foster, B (Hamburg U. ; DESY ; Oxford U.) ; Gach, G (AGH-UST, Cracow) ; Gallo, E (Hamburg U. ; DESY) ; Garfagnini, A (INFN, Padua ; Padua U.) ; Geiser, A (DESY) ; Gizhko, A (DESY) ; Gladilin, LK (Moscow State U.) ; Golubkov, Yu A (Moscow State U.) ; Grzelak, G (Warsaw U.) ; Guzik, M (AGH-UST, Cracow) ; Hain, W (DESY) ; Hochman, D (Weizmann Inst.) ; Hori, R (KEK, Tsukuba) ; Ibrahim, ZA (Malaya U.) ; Iga, Y (Tokyo Inst. Polytech.) ; Ishitsuka, M (Tokyo Inst. Tech.) ; Januschek, F (DESY ; European XFEL, Hamburg) ; Jomhari, NZ (Malaya U.) ; Kadenko, I (Taras Shevchenko U.) ; Kananov, S (Tel Aviv U.) ; Karshon, U (Weizmann Inst.) ; Kaur, P (Panjab U. ; SLIET, Longowal) ; Kisielewska, D (AGH-UST, Cracow) ; Klanner, R (Hamburg U.) ; Klein, U (DESY ; Liverpool U.) ; Korzhavina, IA (Moscow State U.) ; Kotański, A (Jagiellonian U.) ; Kötz, U (DESY) ; Kovalchuk, N (Hamburg U.) ; Kowalski, H (DESY) ; Krupa, B (Cracow, INP) ; Kuprash, O (DESY ; Tel Aviv U.) ; Kuze, M (Tokyo Inst. Tech.) ; Levchenko, B.B. (Moscow State U.) ; Levy, A (Tel Aviv U.) ; Limentani, S (INFN, Padua ; Padua U.) ; Lisovyi, M (DESY ; Heidelberg U.) ; Lobodzinska, E (DESY) ; Löhr, B (DESY) ; Lohrmann, E (Hamburg U.) ; Longhin, A (INFN, Padua ; Frascati) ; Lontkovskyi, D (DESY) ; Lukina, OYu (Moscow State U.) ; Makarenko, I (DESY) ; Malka, J (DESY) ; Mohamad Idris, F (MOSTI, Malaysian Nucl. Agency, Kajang ; Malaya U.) ; Mohammad Nasir, N (Malaya U.) ; Myronenko, V (DESY) ; Nagano, K (KEK, Tsukuba) ; Nobe, T (Tokyo Inst. Tech.) ; Nowak, RJ (Warsaw U.) ; Onishchuk, Yu (Taras Shevchenko U.) ; Paul, E (Bonn U.) ; Perlański, W (Warsaw U. ; Lodz U.) ; Pokrovskiy, NS (IPT, Kazakstan) ; Przybycien, M (AGH-UST, Cracow) ; Roloff, P (DESY ; CERN) ; Ruspa, M (INFN, Turin ; Piemonte Orientale U., Novara) ; Saxon, DH (Glasgow U.) ; Schioppa, M (INFN, Cosenza ; Calabria U.) ; Schneekloth, U (DESY) ; Schörner-Sadenius, T (DESY) ; Shcheglova, LM (Moscow State U.) ; Shevchenko, R (Taras Shevchenko U. ; Kiev Polytechnic Inst. ; DESY) ; Shkola, O (Taras Shevchenko U.) ; Shyrma, Yu (Kiev, INR) ; Singh, I (Panjab U.) ; Skillicorn, IO (Glasgow U.) ; Słomiński, W (Jagiellonian U.) ; Solano, A (Turin U. ; INFN, Turin) ; Stanco, L (INFN, Padua) ; Stefaniuk, N (DESY) ; Stern, A (Tel Aviv U.) ; Stopa, P (Cracow, INP) ; Sztuk-Dambietz, J (Hamburg U. ; European XFEL, Hamburg) ; Tassi, E (INFN, Cosenza ; Calabria U.) ; Tokushuku, K (KEK, Tsukuba ; Tokyo U.) ; Tomaszewska, J (Warsaw U.) ; Tsurugai, T (Meiji Gakuin U.) ; Turcato, M (Hamburg U. ; European XFEL, Hamburg) ; Turkot, O (DESY) ; Tymieniecka, T (NCBJ, Swierk) ; Verbytskyi, A (Munich, Max Planck Inst.) ; Wan Abdullah, WAT (Malaya U.) ; Wichmann, K (DESY) ; Wing, M (University Coll. London) ; Yamada, S (KEK, Tsukuba) ; Yamazaki, Y (KEK, Tsukuba ; Kobe U.) ; Zakharchuk, N (Taras Shevchenko U. ; DESY) ; Żarnecki, AF (Warsaw U.) ; Zawiejski, L (Cracow, INP) ; Zenaiev, O (DESY) ; Zhautykov, BO (IPT, Kazakstan) ; Zotkin, DS (Moscow State U.) ; Bhadra, S (York U., Canada) ; Gwenlan, C (Oxford U.) ; Hlushchenko, O (Taras Shevchenko U.) ; Polini, A (INFN, Bologna) ; Mastroberardino, A (Calabria U. ; INFN, Cosenza) ; Sukhonos, D (Taras Shevchenko U.)

Publication 2016-06-10
Imprint 05 Apr 2016
Number of pages 5
Note Comments: 10 pages, 4 figures, accepted by Phys. Lett. B
10 pages, 4 figures, accepted by Phys. Lett. B
In: Phys. Lett. B 757 (2016) 468-472
DOI 10.1016/j.physletb.2016.04.007
Subject category Particle Physics - Experiment
Abstract The high-precision HERA data allows searches up to TeV scales for Beyond the Standard Model contributions to electron-quark scattering. Combined measurements of the inclusive deep inelastic cross sections in neutral and charged current $ep$ scattering corresponding to a luminosity of around 1 fb$^{-1}$ have been used in this analysis. A new approach to the beyond the Standard Model analysis of the inclusive $ep$ data is presented; simultaneous fits of parton distribution functions together with contributions of "new physics" processes were performed. Results are presented considering a finite radius of quarks within the quark form-factor model. The resulting 95% C.L. upper limit on the effective quark radius is $0.43\cdot 10^{-16}$ cm.
Copyright/License arXiv nonexclusive-distrib. 1.0
publication: © 2016-2024 The Author(s) (License: CC-BY-4.0), sponsored by SCOAP³



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