Journal article
Measurement of charm fragmentation fractions in photoproduction at HERA
The journal of high energy physics, Vol.2013(9), pp.1-28
09/01/2013
DOI: 10.1007/JHEP09(2013)058
Abstract
The production of D-0, D*(+), D+, D-s(+) and Lambda(+)(c) charm hadrons and their antiparticles in ep scattering at HERA has been studied with the ZEUS detector, using a total integrated luminosity of 372 pb(-1). The fractions of charm quarks hadronising into a particular charm hadron were derived. In addition, the ratio of neutral to charged D-meson production rates, the fraction of charged D mesons produced in a vector state, and the stangeness-suppression factor have been determined. The measurements have been performed in the photoproduction regime. The charm hadrons were reconstructed in the range of transverse momentum p T > 3.8GeV and pseudorapidity vertical bar eta vertical bar < 1.6. The charm fragmentation fractions are compared to previous results from HERA and from e(+)e(-) experiments. The data support the hypothesis that fragmentation is independent of the production process.
Details
- Title: Subtitle
- Measurement of charm fragmentation fractions in photoproduction at HERA
- Creators
- H. Abramowicz - Tel Aviv UniversityI. Abt - Max Planck Institute for PhysicsL. Adamczyk - AGH University of KrakowM. Adamus - National Centre for Nuclear ResearchR. Aggarwal - Panjab UniversityS. Antonelli - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaP. Antonioli - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaA. Antonov - National Research Nuclear University MEPhIM. Arneodo - Università degli Studi del Piemonte Orientale “Amedeo Avogadro”O. Arslan - University of BonnV. Aushev - Institute for Nuclear ResearchY. Aushev - Taras Shevchenko National University of KyivO. Bachynska - Deutsches Elektronen-Synchrotron DESYA. Bamberger - University of FreiburgA. N. Barakbaev - Institute of Physics and TechnologyG. Barbagli - Florence (Netherlands)G. Bari - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaF. Barreiro - Universidad Autónoma de MadridN. Bartosik - Deutsches Elektronen-Synchrotron DESYD. Bartsch - University of BonnM. Basile - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaO. Behnke - Deutsches Elektronen-Synchrotron DESYJ. Behr - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyU. Behrens - Deutsches Elektronen-Synchrotron DESYL. Bellagamba - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaA. Bertolin - Istituto Nazionale di Fisica Nucleare, Sezione di PadovaS. Bhadra - York UniversityM. Bindi - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaC. Blohm - Deutsches Elektronen-Synchrotron DESYV. Bokhonov - Institute for Nuclear ResearchT. Bold - AGH University of KrakowE. G. Boos - Institute of Physics and TechnologyK. Borras - Deutsches Elektronen-Synchrotron DESYD. Boscherini - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaD. Bot - Deutsches Elektronen-Synchrotron DESYI. Brock - University of BonnE. Brownson - University of Wisconsin–MadisonR. Brugnera - Istituto Nazionale di Fisica Nucleare, Sezione di PadovaN. Bruemmer - The Ohio State UniversityA. Bruni - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaG. Bruni - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaB. Brzozowska - University of WarsawP. J. Bussey - University of GlasgowB. Bylsma - The Ohio State UniversityA. Caldwell - Max Planck Institute for PhysicsM. Capua - University of CalabriaR. Carlin - Istituto Nazionale di Fisica Nucleare, Sezione di PadovaC. D. Catterall - York UniversityS. Chekanov - Argonne National LaboratoryJ. Chwastowski - Institute of Nuclear Physics, Polish Academy of SciencesJ. Ciborowski - University of WarsawR. Ciesielski - Deutsches Elektronen-Synchrotron DESYL. Cifarelli - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaF. Cindolo - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaA. Contin - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaA. M. Cooper-Sarkar - University of OxfordN. Coppola - Deutsches Elektronen-Synchrotron DESYM. Corradi - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaF. Corriveau - McGill UniversityM. Costa - Istituto Nazionale di Fisica Nucleare, Sezione di TorinoG. D'Agostini - Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, ItalyF. Dal Corso - Ist Nazl Fis Nucl, Padua, ItalyJ. del Peso - Universidad Autónoma de MadridR. K. Dementiev - Lomonosov Moscow State UniversityS. De Pasquale - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaM. Derrick - Argonne National LaboratoryR. C. E. Devenish - University of OxfordD. Dobur - University of FreiburgB. A. Dolgoshein - National Research Nuclear University MEPhIG. Dolinska - Deutsches Elektronen-Synchrotron DESYA. T. Doyle - University of GlasgowV. Drugakov - Deutsches Elektronen-Synchrotron DESYL. S. Durkin - The Ohio State UniversityS. Dusini - INFN Sezione di PadovaY. Eisenberg - Weizmann Institute of ScienceP. F. Ermolov - Lomonosov Moscow State UniversityA. Eskreys - Institute of Nuclear Physics, Polish Academy of SciencesS. Fang - Deutsches Elektronen-Synchrotron DESYS. Fazio - University of CalabriaJ. Ferrando - University of GlasgowM. I. Ferrero - Istituto Nazionale di Fisica Nucleare, Sezione di TorinoJ. Figiel - Institute of Nuclear Physics, Polish Academy of SciencesB. Foster - University of OxfordG. Gach - AGH University of KrakowA. Galas - Institute of Nuclear Physics, Polish Academy of SciencesE. Gallo - Florence (Netherlands)A. Garfagnini - INFN Sezione di PadovaA. Geiser - Deutsches Elektronen-Synchrotron DESYI. Gialas - University of the AegeanA. Gizhko - Deutsches Elektronen-Synchrotron DESYL. K. Gladilin - Lomonosov Moscow State UniversityD. Gladkov - National Research Nuclear University MEPhIC. Glasman - Universidad Autónoma de MadridO. Gogota - Taras Shevchenko National University of KyivYu. A. Golubkov - Lomonosov Moscow State UniversityP. Goettlicher - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyI. Grabowska-Bold - AGH University of KrakowJ. Grebenyuk - Deutsches Elektronen-Synchrotron DESYI. Gregor - Deutsches Elektronen-Synchrotron DESYG. Grigorescu - National Institute for Subatomic PhysicsG. Grzelak - University of WarsawO. Gueta - Tel Aviv UniversityM. Guzik - AGH University of KrakowC. Gwenlan - University of OxfordT. Haas - Deutsches Elektronen-Synchrotron DESYW. Hain - Deutsches Elektronen-Synchrotron DESYR. Hamatsu - Tokyo Metropolitan UniversityJ. C. Hart - Rutherford Appleton LaboratoryH. Hartmann - University of BonnG. Hartner - York UniversityE. Hilger - University of BonnD. Hochman - Weizmann Institute of ScienceR. Hori - The University of TokyoA. Huettmann - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyZ. A. Ibrahim - University of MalayaY. Iga - Tokyo Polytechnic UniversityR. Ingbir - Tel Aviv UniversityM. Ishitsuka - Tokyo Institute of TechnologyA. Iudin - Taras Shevchenko National University of KyivH. -P. Jakob - University of BonnF. Januschek - Deutsches Elektronen-Synchrotron DESYT. W. Jones - University College LondonM. Juengst - University of BonnI. Kadenko - Taras Shevchenko National University of KyivB. Kahle - Deutsches Elektronen-Synchrotron DESYS. Kananov - Tel Aviv UniversityT. Kanno - Tokyo Institute of TechnologyU. Karshon - Weizmann Institute of ScienceF. Karstens - University of FreiburgI. I. Katkov - Deutsches Elektronen-Synchrotron DESYM. Kaur - Panjab UniversityP. Kaur - Panjab UniversityA. Keramidas - National Institute for Subatomic PhysicsL. A. Khein - Lomonosov Moscow State UniversityJ. Y. Kim - Chonnam National UniversityD. Kisielewska - AGH University of KrakowS. Kitamura - Tokyo Metropolitan UniversityR. Klanner - Universität HamburgU. Klein - Deutsches Elektronen-Synchrotron DESYE. Koffeman - National Institute for Subatomic PhysicsN. Kondrashova - Taras Shevchenko National University of KyivO. Kononenko - Taras Shevchenko National University of KyivP. Kooijman - National Institute for Subatomic PhysicsIe Korol - Deutsches Elektronen-Synchrotron DESYI. A. Korzhavina - Lomonosov Moscow State UniversityA. Kotanski - Jagiellonian UniversityU. Koetz - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyN. Kovalchuk - Taras Shevchenko National University of KyivH. Kowalski - Deutsches Elektronen-Synchrotron DESYO. Kuprash - Deutsches Elektronen-Synchrotron DESYM. Kuze - Tokyo Institute of TechnologyA. Lee - The Ohio State UniversityB. B. Levchenko - Lomonosov Moscow State UniversityA. Levy - Tel Aviv UniversityV. Libov - Deutsches Elektronen-Synchrotron DESYS. Limentani - Istituto Nazionale di Fisica Nucleare, Sezione di PadovaT. Y. Ling - The Ohio State UniversityM. Lisovyi - Deutsches Elektronen-Synchrotron DESYE. Lobodzinska - Deutsches Elektronen-Synchrotron DESYW. Lohmann - Deutsches Elektronen-Synchrotron DESYB. Loehr - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyE. Lohrmann - Universität HamburgK. R. Long - Imperial College LondonA. Longhin - Istituto Nazionale di Fisica Nucleare, Sezione di PadovaD. Lontkovskyi - Deutsches Elektronen-Synchrotron DESYO. Yu Lukina - Lomonosov Moscow State UniversityJ. Maeda - Tokyo Institute of TechnologyS. Magill - Argonne National LaboratoryI. Makarenko - Deutsches Elektronen-Synchrotron DESYJ. Malka - Deutsches Elektronen-Synchrotron DESYR. Mankel - Deutsches Elektronen-Synchrotron DESYA. Margotti - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyG. Marini - Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, ItalyJ. F. Martin - University of TorontoA. Mastroberardino - University of CalabriaM. C. K. Mattingly - Andrews UniversityI. -A. Melzer-Pellmann - Deutsches Elektronen-Synchrotron DESYS. Mergelmeyer - University of BonnS. Miglioranzi - Deutsches Elektronen-Synchrotron DESYF. Mohamad Idris - University of MalayaV. Monaco - Istituto Nazionale di Fisica Nucleare, Sezione di TorinoA. Montanari - Deutsches Elektronen-Synchrotron DESYJ. D. Morris - University of BristolK. Mujkic - Deutsches Elektronen-Synchrotron DESYB. Musgrave - Argonne National LaboratoryV. Myronenko - Taras Shevchenko National University of KyivK. Nagano - High Energy Accelerator Research OrganizationT. Namsoo - Deutsches Elektronen-Synchrotron DESYR. Nania - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. Nigro - Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, ItalyY. Ning - Columbia UniversityT. Nobe - Tokyo Institute of TechnologyD. Notz - Deutsches Elektronen-Synchrotron DESYR. J. Nowak - University of WarsawA. E. Nuncio-Quiroz - University of BonnB. Y. Oh - Pennsylvania State UniversityN. Okazaki - The University of TokyoK. Olkiewicz - Institute of Nuclear Physics, Polish Academy of SciencesYu Onishchuk - Taras Shevchenko National University of KyivK. Papageorgiu - University of the AegeanA. Parenti - Deutsches Elektronen-Synchrotron DESYE. Paul - University of BonnJ. M. Pawlak - University of WarsawB. Pawlik - Institute of Nuclear Physics, Polish Academy of SciencesP. G. Pelfer - University of FlorenceA. Pellegrino - National Institute for Subatomic PhysicsW. Perlanski - University of WarsawH. Perrey - Deutsches Elektronen-Synchrotron DESYK. Piotrzkowski - UCLouvainP. Plucinski - National Centre for Nuclear ResearchN. S. Pokrovskiy - Institute of Physics and TechnologyA. Polini - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaA. S. Proskuryakov - Lomonosov Moscow State UniversityM. Przybycien - AGH University of KrakowA. Raval - Deutsches Elektronen-Synchrotron DESYD. D. Reeder - University of Wisconsin–MadisonB. Reisert - Max Planck Institute for PhysicsZ. Ren - Columbia UniversityJ. Repond - Argonne National LaboratoryY. D. Ri - Tokyo Metropolitan UniversityA. Robertson - University of OxfordP. Roloff - Deutsches Elektronen-Synchrotron DESYI. Rubinsky - Deutsches Elektronen-Synchrotron DESYM. Ruspa - Università degli Studi del Piemonte Orientale “Amedeo Avogadro”R. Sacchi - Istituto Nazionale di Fisica Nucleare, Sezione di TorinoU. Samson - University of BonnG. Sartorelli - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaA. A. Savin - University of Wisconsin–MadisonD. H. Saxon - University of GlasgowM. Schioppa - University of CalabriaS. Schlenstedt - Deutsches Elektronen-Synchrotron DESYP. Schleper - Universität HamburgW. B. Schmidke - Max Planck Institute for PhysicsU. Schneekloth - Deutsches Elektronen-Synchrotron DESYV. Schoenberg - University of BonnT. Schoerner-Sadenius - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyJ. Schwartz - McGill UniversityF. Sciulli - Columbia UniversityL. M. Shcheglova - Lomonosov Moscow State UniversityR. Shehzadi - University of BonnR. Shevchenko - Taras Shevchenko National University of KyivS. Shimizu - The University of TokyoO. Shkola - Taras Shevchenko National University of KyivI. Singh - Panjab UniversityI. O. Skillicorn - University of GlasgowW. Slominski - Jagiellonian UniversityW. H. Smith - University of Wisconsin–MadisonV. Sola - Universität HamburgA. Solano - Istituto Nazionale di Fisica Nucleare, Sezione di TorinoD. Son - Kyungpook National UniversityV. Sosnovtsev - National Research Nuclear University MEPhIA. Spiridonov - Institute for Theoretical and Experimental PhysicsH. Stadie - Universität HamburgL. Stanco - Istituto Nazionale di Fisica Nucleare, Sezione di PadovaN. Stefaniuk - Taras Shevchenko National University of KyivA. Stern - Tel Aviv UniversityT. P. Stewart - University of TorontoA. Stifutkin - National Research Nuclear University MEPhIP. Stopa - Institute of Nuclear Physics, Polish Academy of SciencesS. Suchkov - National Research Nuclear University MEPhIG. Susinno - University of CalabriaL. Suszycki - AGH University of KrakowJ. Sztuk-Dambietz - Universität HamburgD. Szuba - Universität HamburgJ. Szuba - AGH University of KrakowA. D. Tapper - Imperial College LondonE. Tassi - Univ Calabria, Dept Phys, I-87036 Cosenza, ItalyJ. Terron - Universidad Autónoma de MadridT. Theedt - Deutsches Elektronen-Synchrotron DESYH. Tiecke - National Institute for Subatomic PhysicsK. Tokushuku - The University of TokyoJ. Tomaszewska - Deutsches Elektronen-Synchrotron DESYA. Trofymov - Taras Shevchenko National University of KyivV. Trusov - Taras Shevchenko National University of KyivT. Tsurugai - Ferris UniversityM. Turcato - Universität HamburgO. Turkot - Taras Shevchenko National University of KyivT. Tymieniecka - National Centre for Nuclear ResearchM. Vazquez - National Institute for Subatomic PhysicsA. Verbytskyi - Deutsches Elektronen-Synchrotron DESYO. Viazlo - Taras Shevchenko National University of KyivN. N. Vlasov - University of FreiburgR. Walczak - University of OxfordW. A. T. Wan Abdullah - University of MalayaJ. J. Whitmore - Pennsylvania State UniversityK. Wichmann - Deutsches Elektronen-Synchrotron DESYL. Wiggers - National Institute for Subatomic PhysicsM. Wing - University College LondonM. Wlasenko - University of BonnG. Wolf - Deutsches Elektronen-Synchrotron DESYH. Wolfe - University of Wisconsin–MadisonK. Wrona - Deutsches Elektronen-Synchrotron DESYA. G. Yaguees-Molina - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyS. Yamada - High Energy Accelerator Research OrganizationY. Yamazaki - High Energy Accelerator Research OrganizationR. Yoshida - Argonne National LaboratoryC. Youngman - Deutsches Elektronen-Synchrotron DESYN. Zakharchuk - Taras Shevchenko National University of KyivA. F. Zarnecki - University of WarsawL. Zawiejski - Institute of Nuclear Physics, Polish Academy of SciencesO. Zenaiev - Deutsches Elektronen-Synchrotron DESYW. Zeuner - Deutsches Elektronen-Synchrotron DESYB. O. Zhautykov - Institute of Physics and TechnologyN. Zhmak - Institute for Nuclear ResearchA. Zichichi - Istituto Nazionale di Fisica Nucleare, Sezione di BolognaZ. Zolkapli - University of MalayaD. S. Zotkin - Lomonosov Moscow State UniversityZEUS collaboration
- Resource Type
- Journal article
- Publication Details
- The journal of high energy physics, Vol.2013(9), pp.1-28
- DOI
- 10.1007/JHEP09(2013)058
- ISSN
- 1029-8479
- eISSN
- 1029-8479
- Publisher
- Springer Nature
- Number of pages
- 28
- Grant note
- ST/K00137X/1 / Science and Technology Facilities Council; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) ST/K00137X/1 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC)
- Language
- English
- Date published
- 09/01/2013
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984627308702771
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