Measurement of the inclusive e ± p scattering cross section at high inelasticity y and of the structure function F L

F D Aaron,J Gayler,B R Grell,A Zhokin,H Zohrabyan,R Roosen,A Bunyatyan,T Toll,V Dodonov,D Pitzl,L Favart,D South,F Zomer,E Rizvi,S J Maxfield,S Mikocki,A Mehta,P D Thompson,H Meyer,A Baghdasaryan,A Makankine,H Jung,E Sauvan,M Gouzevitch,A Belousov,E A De Wolf,D P C Sankey,L Goerlich,N Gogitidze,M Rotaru,D Šálek,T Kluge,A Petrukhin,J E Olsson,E Malinovski,V Radescu,Z Staykova,I Milcewicz-Mika,K Begzsuren,Y Vazdik,G Herrera,T Sloan,A Glazov,D Britzger,C Diaconu,B Delcourt,J Delvax,M Jacquet,J A Coughlan,P Marage,G D Patel,I R Kenyon,R C W Henderson,E Hennekemper,P Reimer,A Bylinkin,K Nowak,E Barrelet,A Rostovtsev,T Greenshaw,C Kiesling,A Dossanov,V Lendermann,G Eckerlin,D Ozerov,C Alexa,M Hildebrandt,M Sauter,C Pascaud,M Kraemer,C Vallée,M Fleischer,C Helebrant,S Baghdasaryan,G Buschhorn,D Hoffmann,T Hreus,K H Hiller,V Andreev,B List,E Elsen,T H Tran,D Wegener,R Polifka,H Pirumov,V Boudry,M Herbst,M U Mozer,A Knutsson,P Pahl,J Meyer,R Kogler,G Grindhammer,I Panagoulias,D Haidt,J Cvach,K Daum,J Kretzschmar,M Mudrinic,F Sefkow,J B Dainton,O Behrend,A Dubak,L Bystritskaya,K Urban,A Morozov,T Ravdandorj,D Nikitin,L Schoeffel,Y Soloviev,A Valkárová,A Nikiforov,G Nowak,S Schmitt,B Stella,V Chekelian,J Turnau,B Tseepeldorj,S Shushkevich,P R Newman,R Felst,S Levonian,J Ferencei,A Grebenyuk,A Vargas,V Palichik,A Fedotov,C Grab,A Fomenko,H Henschel,L Jönsson,V Brisson,J V Morris,F Moreau,S Ghazaryan,M Dobre,M Klein,M Kapichine,P Sopicki,U Straumann,J Žáček,I Tsakov,V Lubimov,X Janssen,E Gabathuler,S Osman,A Specka,P Robmann,C Kleinwort,R Plačakytė,K Lipka,L N Shtarkov,W Lange,M P J Landon,W Bartel,S Habib,A Cholewa,G Laštovička-Medin,B Pokorny,A Eliseev,P Laycock,J G Contreras,N Loktionova,I Tsurin,S Egli,G Brandt,M Steder,P Kostka,R Horisberger,V Spaskov,A Lebedev,C Niebuhr,J Feltesse,D Bruncko,J Katzy,P Van Mechelen,G Stoicea,D Traynor,A W Jung,K Černý ,V Černý ,Jenny List ,E Wuensch ,T Naumann ,Krzysztof Kutak ,J Braciník ,S Backović ,Florian Huber ,K Krueger ,I Božović-Jelisavc̆ić ,K Mueller ,T Sýkora ,K B Cantun Avila ,A Schoening ,P Truoel ,Zhiqing Philippe Zhang ,J.c Bizot ,Andreas Bernhard Meyer ,A Campbell ,Pavel A Belov ,M Pandurović ,M Von Den Driesch ,Bogdan Povh ,Martin Brinkmann ,D Fischer ,S V Rusakov ,Federico Alberto Ceccopieri ,I Smiljanić ,H.‐C Schultz‐Coulon ,I Pićurić ,Th D Papadopoulou ,R López-Fernández ,J Zálešâk ,J E Ruiz Tabasco ,N Raičević ,E Pérez ,H U Martyn ,S M Piec

doi:10.1140/epjc/s10052-011-1579-4

Measurement of the inclusive e ± p scattering cross section at high inelasticity y and of the structure function F L

F D Aaron, J Gayler + Show 216 more

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https://doi.org/10.1140/epjc/s10052-011-1579-4

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Journal: The European Physical Journal C	Publication Date: Mar 1, 2011
Citations: 129	License type: cc-by-nc

Affiliation: Alikhanyan National Laboratory, University of Antwerp, Max Planck Society, University of Liverpool, University of Birmingham, Joint Institute for Nuclear Research, Rutherford Appleton Laboratory, P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Charles University, Heidelberg University, Mongolian Academy of Sciences, Center for Research and Advanced Studies of the National Polytechnic Institute, Lancaster University Ghana, University of Paris-Sud, Lancaster University, Sorbonne University, Paul Scherrer Institute, Aix-Marseille University, Universität Hamburg, TU Dortmund University, Max Planck Institute for Physics, Czech Academy of Sciences, University of Belgrade, University of Montenegro, Institute for Nuclear Research, CEA Saclay, Sapienza University of Rome, Slovak Academy of Sciences, Lund University, École Polytechnique, University of Zurich, DSM (Netherlands), Queen Mary University of London

#Structure Function FL #Function FL + Show 8 more

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Abstract

A measurement is presented of the inclusive neutral current e\pm p scattering cross section using data collected by the H1 experiment at HERA during the years 2003 to 2007 with proton beam energies Ep of 920, 575, and 460 GeV. The kinematic range of the measurement covers low absolute four-momentum transfers squared, 1.5 GeV2 < Q2 < 120 GeV2, small values of Bjorken x, 2.9 \cdot 10-5 < x < 0.01, and extends to high inelasticity up to y = 0.85. The structure function FL is measured by combining the new results with previously published H1 data at Ep = 920 GeV and Ep = 820 GeV. The new measurements are used to test several phenomenological and QCD models applicable in this low Q2 and low x kinematic domain.

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