Related papers: Charm fragmentation and dijet angular distribution…

Inclusive production of D*+- mesons in photon-photon collisions at sqrt(s) = 183 and 189 GeV and a first measurement of the the charm structure function of the photon

The inclusive production of D*+- mesons in photon-photon collisions has been measured using the OPAL detector at LEP at e+e- centre-of-mass energies of 183 and 189GeV. The D* mesons are reconstructed in their decay to D0pi+ with the D0…

High Energy Physics - Experiment · Physics 2008-11-07 G. Abbiendi , the OPAL collaboration

An improved description of charm fragmentation data

We consider the fragmentation of heavy quarks into heavy-flavoured hadrons, specifically the production of charmed mesons in $e^+e^-$ collisions, at different centre-of-mass energies. We focus our attention on the ratio of moments of the…

High Energy Physics - Phenomenology · Physics 2024-09-04 Matteo Cacciari , Andrea Ghira , Simone Marzani , Giovanni Ridolfi

Prompt charm production in pp collisions at sqrt(s)=7 TeV

Charm production at the LHC in pp collisions at sqrt(s)=7 TeV is studied with the LHCb detector. The decays D0 -> K- pi+, D+ -> K- pi+ pi+, D*+ -> D0(K- pi+) pi+, D_s+ -> phi(K- K+) pi+, Lambda_c+ -> p K- pi+, and their charge conjugates…

High Energy Physics - Experiment · Physics 2014-09-16 LHCb collaboration , R. Aaij , C. Abellan Beteta , A. Adametz , B. Adeva , M. Adinolfi , C. Adrover , A. Affolder , Z. Ajaltouni , J. Albrecht , F. Alessio , M. Alexander , S. Ali , G. Alkhazov , P. Alvarez Cartelle , A. A. Alves , S. Amato , Y. Amhis , L. Anderlini , J. Anderson , R. Andreassen , R. B. Appleby , O. Aquines Gutierrez , F. Archilli , A. Artamonov , M. Artuso , E. Aslanides , G. Auriemma , S. Bachmann , J. J. Back , C. Baesso , V. Balagura , W. Baldini , R. J. Barlow , C. Barschel , S. Barsuk , W. Barter , Th. Bauer , A. Bay , J. Beddow , I. Bediaga , S. Belogurov , K. Belous , I. Belyaev , E. Ben-Haim , M. Benayoun , G. Bencivenni , S. Benson , J. Benton , A. Berezhnoy , R. Bernet , M. -O. Bettler , M. van Beuzekom , A. Bien , S. Bifani , T. Bird , A. Bizzeti , P. M. Bjørnstad , T. Blake , F. Blanc , C. Blanks , J. Blouw , S. Blusk , A. Bobrov , V. Bocci , A. Bondar , N. Bondar , W. Bonivento , S. Borghi , A. Borgia , T. J. V. Bowcock , E. Bowen , C. Bozzi , T. Brambach , J. van den Brand , J. Bressieux , D. Brett , M. Britsch , T. Britton , N. H. Brook , H. Brown , I. Burducea , A. Bursche , J. Buytaert , S. Cadeddu , O. Callot , M. Calvi , M. Calvo Gomez , A. Camboni , P. Campana , A. Carbone , G. Carboni , R. Cardinale , A. Cardini , H. Carranza-Mejia , L. Carson , K. Carvalho Akiba , G. Casse , M. Cattaneo , Ch. Cauet , M. Charles , Ph. Charpentier , P. Chen , N. Chiapolini , M. Chrzaszcz , K. Ciba , X. Cid Vidal , G. Ciezarek , P. E. L. Clarke , M. Clemencic , H. V. Cliff , J. Closier , C. Coca , V. Coco , J. Cogan , E. Cogneras , P. Collins , A. Comerma-Montells , A. Contu , A. Cook , M. Coombes , G. Corti , B. Couturier , G. A. Cowan , D. Craik , S. Cunliffe , R. Currie , C. D'Ambrosio , P. David , P. N. Y. David , I. De Bonis , K. De Bruyn , S. De Capua , M. De Cian , J. M. De Miranda , L. De Paula , W. De Silva , P. De Simone , D. Decamp , M. Deckenhoff , H. Degaudenzi , L. Del Buono , C. Deplano , D. Derkach , O. Deschamps , F. Dettori , A. Di Canto , J. Dickens , H. Dijkstra , P. Diniz Batista , M. Dogaru , F. Domingo Bonal , S. Donleavy , F. Dordei , A. Dosil Suárez , D. Dossett , A. Dovbnya , F. Dupertuis , R. Dzhelyadin , A. Dziurda , A. Dzyuba , S. Easo , U. Egede , V. Egorychev , S. Eidelman , D. van Eijk , S. Eisenhardt , U. Eitschberger , R. Ekelhof , L. Eklund , I. El Rifai , Ch. Elsasser , D. Elsby , A. Falabella , C. Färber , G. Fardell , C. Farinelli , S. Farry , V. Fave , D. Ferguson , V. Fernandez Albor , F. Ferreira Rodrigues , M. Ferro-Luzzi , S. Filippov , C. Fitzpatrick , M. Fontana , F. Fontanelli , R. Forty , O. Francisco , M. Frank , C. Frei , M. Frosini , S. Furcas , E. Furfaro , A. Gallas Torreira , D. Galli , M. Gandelman , P. Gandini , Y. Gao , J. Garofoli , P. Garosi , J. Garra Tico , L. Garrido , C. Gaspar , R. Gauld , E. Gersabeck , M. Gersabeck , T. Gershon , Ph. Ghez , V. Gibson , V. V. Gligorov , C. Göbel , D. Golubkov , A. Golutvin , A. Gomes , H. Gordon , M. Grabalosa Gándara , R. Graciani Diaz , L. A. Granado Cardoso , E. Graugés , G. Graziani , A. Grecu , E. Greening , S. Gregson , O. Grünberg , B. Gui , E. Gushchin , Yu. Guz , T. Gys , C. Hadjivasiliou , G. Haefeli , C. Haen , S. C. Haines , S. Hall , T. Hampson , S. Hansmann-Menzemer , N. Harnew , S. T. Harnew , J. Harrison , P. F. Harrison , T. Hartmann , J. He , V. Heijne , K. Hennessy , P. Henrard , J. A. Hernando Morata , E. van Herwijnen , E. Hicks , D. Hill , M. Hoballah , C. Hombach , P. Hopchev , W. Hulsbergen , P. Hunt , T. Huse , N. Hussain , D. Hutchcroft , D. Hynds , V. Iakovenko , P. Ilten , R. Jacobsson , A. Jaeger , E. Jans , F. Jansen , P. Jaton , F. Jing , M. John , D. Johnson , C. R. Jones , B. Jost , M. Kaballo , S. Kandybei , M. Karacson , T. M. Karbach , I. R. Kenyon , U. Kerzel , T. Ketel , A. Keune , B. Khanji , O. Kochebina , I. Komarov , R. F. Koopman , P. Koppenburg , M. Korolev , A. Kozlinskiy , L. Kravchuk , K. Kreplin , M. Kreps , G. Krocker , P. Krokovny , F. Kruse , M. Kucharczyk , V. Kudryavtsev , T. Kvaratskheliya , V. N. La Thi , D. Lacarrere , G. Lafferty , A. Lai , D. Lambert , R. W. Lambert , E. Lanciotti , G. Lanfranchi , C. Langenbruch , T. Latham , C. Lazzeroni , R. Le Gac , J. van Leerdam , J. -P. Lees , R. Lefèvre , A. Leflat , J. Lefrançois , O. Leroy , Y. Li , L. Li Gioi , M. Liles , R. Lindner , C. Linn , B. Liu , G. Liu , J. von Loeben , J. H. Lopes , E. Lopez Asamar , N. Lopez-March , H. Lu , J. Luisier , H. Luo , F. Machefert , I. V. Machikhiliyan , F. Maciuc , O. Maev , S. Malde , G. Manca , G. Mancinelli , N. Mangiafave , U. Marconi , R. Märki , J. Marks , G. Martellotti , A. Martens , L. Martin , A. Martín Sánchez , M. Martinelli , D. Martinez Santos , D. Martins Tostes , A. Massafferri , R. Matev , Z. Mathe , C. Matteuzzi , M. Matveev , E. Maurice , A. Mazurov , J. McCarthy , R. McNulty , B. Meadows , F. Meier , M. Meissner , M. Merk , D. A. Milanes , M. -N. Minard , J. Molina Rodriguez , S. Monteil , D. Moran , P. Morawski , R. Mountain , I. Mous , F. Muheim , K. Müller , R. Muresan , B. Muryn , B. Muster , P. Naik , T. Nakada , R. Nandakumar , I. Nasteva , M. Needham , N. Neufeld , A. D. Nguyen , T. D. Nguyen , C. Nguyen-Mau , M. Nicol , V. Niess , R. Niet , N. Nikitin , T. Nikodem , A. Nomerotski , A. Novoselov , A. Oblakowska-Mucha , V. Obraztsov , S. Oggero , S. Ogilvy , O. Okhrimenko , R. Oldeman , M. Orlandea , J. M. Otalora Goicochea , P. Owen , B. K. Pal , A. Palano , M. Palutan , J. Panman , A. Papanestis , M. Pappagallo , C. Parkes , C. J. Parkinson , G. Passaleva , G. D. Patel , M. Patel , G. N. Patrick , C. Patrignani , C. Pavel-Nicorescu , A. Pazos Alvarez , A. Pellegrino , G. Penso , M. Pepe Altarelli , S. Perazzini , D. L. Perego , E. Perez Trigo , A. Pérez-Calero Yzquierdo , P. Perret , M. Perrin-Terrin , G. Pessina , K. Petridis , A. Petrolini , A. Phan , E. Picatoste Olloqui , B. Pietrzyk , T. Pilař , D. Pinci , S. Playfer , M. Plo Casasus , F. Polci , G. Polok , A. Poluektov , E. Polycarpo , D. Popov , B. Popovici , C. Potterat , A. Powell , J. Prisciandaro , V. Pugatch , A. Puig Navarro , W. Qian , J. H. Rademacker , B. Rakotomiaramanana , M. S. Rangel , I. Raniuk , N. Rauschmayr , G. Raven , S. Redford , M. M. Reid , A. C. dos Reis , S. Ricciardi , A. Richards , K. Rinnert , V. Rives Molina , D. A. Roa Romero , P. Robbe , E. Rodrigues , P. Rodriguez Perez , G. J. Rogers , S. Roiser , V. Romanovsky , A. Romero Vidal , J. Rouvinet , T. Ruf , H. Ruiz , G. Sabatino , J. J. Saborido Silva , N. Sagidova , P. Sail , B. Saitta , C. Salzmann , B. Sanmartin Sedes , M. Sannino , R. Santacesaria , C. Santamarina Rios , E. Santovetti , M. Sapunov , A. Sarti , C. Satriano , A. Satta , M. Savrie , D. Savrina , P. Schaack , M. Schiller , H. Schindler , S. Schleich , M. Schlupp , M. Schmelling , B. Schmidt , O. Schneider , A. Schopper , M. -H. Schune , R. Schwemmer , B. Sciascia , A. Sciubba , M. Seco , A. Semennikov , K. Senderowska , I. Sepp , N. Serra , J. Serrano , P. Seyfert , M. Shapkin , I. Shapoval , P. Shatalov , Y. Shcheglov , T. Shears , L. Shekhtman , O. Shevchenko , V. Shevchenko , A. Shires , R. Silva Coutinho , T. Skwarnicki , N. A. Smith , E. Smith , M. Smith , K. Sobczak , M. D. Sokoloff , F. J. P. Soler , F. Soomro , D. Souza , B. Souza De Paula , B. Spaan , A. Sparkes , P. Spradlin , F. Stagni , S. Stahl , O. Steinkamp , S. Stoica , S. Stone , B. Storaci , M. Straticiuc , U. Straumann , V. K. Subbiah , S. Swientek , V. Syropoulos , M. Szczekowski , P. Szczypka , T. Szumlak , S. T'Jampens , M. Teklishyn , E. Teodorescu , F. Teubert , C. Thomas , E. Thomas , J. van Tilburg , V. Tisserand , M. Tobin , S. Tolk , D. Tonelli , S. Topp-Joergensen , N. Torr , E. Tournefier , S. Tourneur , M. T. Tran , M. Tresch , A. Tsaregorodtsev , P. Tsopelas , N. Tuning , M. Ubeda Garcia , A. Ukleja , D. Urner , U. Uwer , V. Vagnoni , G. Valenti , R. Vazquez Gomez , P. Vazquez Regueiro , S. Vecchi , J. J. Velthuis , M. Veltri , G. Veneziano , M. Vesterinen , B. Viaud , D. Vieira , X. Vilasis-Cardona , A. Vollhardt , D. Volyanskyy , D. Voong , A. Vorobyev , V. Vorobyev , C. Voß , H. Voss , R. Waldi , R. Wallace , S. Wandernoth , J. Wang , D. R. Ward , N. K. Watson , A. D. Webber , D. Websdale , M. Whitehead , J. Wicht , J. Wiechczynski , D. Wiedner , L. Wiggers , G. Wilkinson , M. P. Williams , M. Williams , F. F. Wilson , J. Wishahi , M. Witek , S. A. Wotton , S. Wright , S. Wu , K. Wyllie , Y. Xie , F. Xing , Z. Xing , Z. Yang , R. Young , X. Yuan , O. Yushchenko , M. Zangoli , M. Zavertyaev , F. Zhang , L. Zhang , W. C. Zhang , Y. Zhang , A. Zhelezov , A. Zhokhov , L. Zhong , A. Zvyagin

Charm quark and meson production in association with single-jet at the LHC

We discuss charm quark/antiquark and charmed meson production in association with one extra jet (gluon, quark, antiquark) at the LHC. The calculations are performed both in collinear and $k_T$-factorization approaches. Different…

High Energy Physics - Phenomenology · Physics 2017-01-04 Rafal Maciula , Antoni Szczurek

Production of D* Mesons with Dijets in Deep-Inelastic Scattering at HERA

Inclusive D* production is measured in deep-inelastic ep scattering at HERA with the H1 detector. In addition, the production of dijets in events with a D* meson is investigated. The analysis covers values of photon virtuality 2< Q^2 <=100…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

Associated production of $D$-mesons with jets at the LHC

We present several differential distributions for the associated production of charm and dijets. Both single-parton scattering (SPS) and double-parton scattering (DPS) contributions are calculated in the $k_T$-factorization approach. We…

High Energy Physics - Phenomenology · Physics 2017-11-01 Rafal Maciula , Antoni Szczurek

Charm Production and QCD Analysis at HERA and LHC

This review is devoted to the study of charm production in ep and pp collisions. The total set of measurements obtained by the two collaborations H1 and ZEUS from HERA and their combination is outlined, as well as complementary data…

High Energy Physics - Experiment · Physics 2017-03-16 Oleksandr Zenaiev

Charmed mesons and leptons from semileptonic decays at the LHC

We discuss production of charmed mesons as well as electrons/muons from semileptonic decays of charm and bottom mesons in proton-proton collisions at the LHC. The cross section for inclusive production of $c \bar c$ and $b \bar b$ pairs is…

High Energy Physics - Phenomenology · Physics 2013-07-01 Rafal Maciula , Antoni Szczurek

Open Charm and Beauty Production at HERA

Selected new results from the H1 and ZEUS collaborations on $ep$ interactions at 300 - 318 GeV centre-of-mass energy are presented. The full pre-upgrade integrated luminosity of HERA of 110 pb$^{-1}$ is used. Charm cross sections are…

High Energy Physics - Experiment · Physics 2007-05-23 Felix Sefkow

Investigating charm production and fragmentation via azimuthal correlations of prompt D mesons with charged particles in pp collisions at $\sqrt{s} = 13$ TeV

Angular correlations of heavy-flavour and charged particles in high-energy proton-proton collisions are sensitive to the production mechanisms of heavy quarks and to their fragmentation as well as hadronisation processes. The measurement of…

Nuclear Experiment · Physics 2022-04-21 ALICE Collaboration

High-mass dijet cross sections in photoproduction at HERA

Dijet differential cross sections for the reaction e+p -> e+ + jet + jet + X in the photoproduction regime have been measured with the ZEUS detector at HERA using an integrated luminosity of 42.7 pb**{-1}. The cross sections are given for…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

Charm Hadrons from Fragmentation and B decays in e+e- Annihilation at $\sqrt{s}=$10.6 GeV

We present an analysis of charm quark fragmentation at 10.6 GeV, based on a data sample of 103 fb collected by the Belle detector at the KEKB accelerator. We consider fragmentation into the main charmed hadron ground states, namely \DZ,…

High Energy Physics - Experiment · Physics 2008-11-26 R. Seuster

Open Charm Production at HERA

Measurements of charmed particle cross sections at HERA in the photoproduction and deep inelastic regimes are reviewed. The status of the comparison with perturbative QCD calculations is discussed.

High Energy Physics - Experiment · Physics 2008-11-26 I. Redondo

Measurements of Fragmentation Photons with the PHENIX Detector

Direct photons associated with jets provide a direct measurement of the effects of energy loss on the fragmentation of the parton as it propagates through the medium. Perturbative QCD calculations describe the direct photon cross section…

Nuclear Experiment · Physics 2019-08-13 Ali Hanks

Measurement of heavy-quark jet photoproduction at HERA

Photoproduction of beauty and charm quarks in events with at least two jets has been measured with the ZEUS detector at HERA using an integrated luminosity of 133 $pb^{-1}$. The fractions of jets containing b and c quarks were extracted…

High Energy Physics - Experiment · Physics 2011-06-08 ZEUS Collaboration , H. Abramowicz , I. Abt , L. Adamczyk , M. Adamus , R. Aggarwal , S. Antonelli , P. Antonioli , A. Antonov , M. Arneodo , V. Aushev , Y. Aushev , O. Bachynska , A. Bamberger , A. N. Barakbaev , G. Barbagli , G. Bari , F. Barreiro , N. Bartosik , D. Bartsch , M. Basile , O. Behnke , J. Behr , U. Behrens , L. Bellagamba , A. Bertolin , S. Bhadra , M. Bindi , C. Blohm , V. Bokhonov , T. Bołd , O. Bolilyi , K. Bondarenko , E. G. Boos , K. Borras , D. Boscherini , D. Bot , I. Brock , E. Brownson , R. Brugnera , N. Brümmer , A. Bruni , G. Bruni , B. Brzozowska , P. J. Bussey , B. Bylsma , A. Caldwell , M. Capua , R. Carlin , C. D. Catterall , S. Chekanov , J. Chwastowski , J. Ciborowski , R. Ciesielski , L. Cifarelli , F. Cindolo , A. Contin , A. M. Cooper-Sarkar , N. Coppola , M. Corradi , F. Corriveau , M. Costa , G. D'Agostini , F. Dal Corso , J. del Peso , R. K. Dementiev , S. De Pasquale , M. Derrick , R. C. E. Devenish , D. Dobur , B. A. Dolgoshein , G. Dolinska , A. T. Doyle , V. Drugakov , L. S. Durkin , S. Dusini , Y. Eisenberg , P. F. Ermolov , A. Eskreys , S. Fang , S. Fazio , J. Ferrando , M. I. Ferrero , J. Figiel , M. Forrest , B. Foster , S. Fourletov , G. Gach , A. Galas , E. Gallo , A. Garfagnini , A. Geiser , I. Gialas , L. K. Gladilin , D. Gladkov , C. Glasman , O. Gogota , Yu. A. Golubkov , P. Göttlicher , I. Grabowska-Bołd , J. Grebenyuk , I. Gregor , G. Grigorescu , G. Grzelak , O. Gueta , C. Gwenlan , T. Haas , W. Hain , R. Hamatsu , J. C. Hart , H. Hartmann , G. Hartner , E. Hilger , D. Hochman , R. Hori , K. Horton , A. Hüttmann , Z. A. Ibrahim , Y. Iga , R. Ingbir , M. Ishitsuka , H. -P. Jakob , F. Januschek , M. Jimenez , T. W. Jones , M. Jüngst , I. Kadenko , B. Kahle , B. Kamaluddin , S. Kananov , T. Kanno , U. Karshon , F. Karstens , I. I. Katkov , M. Kaur , P. Kaur , A. Keramidas , L. A. Khein , J. Y. Kim , D. Kisielewska , S. Kitamura , R. Klanner , U. Klein , E. Koffeman , P. Kooijman , Ie. Korol , I. A. Korzhavina , A. Kotański , U. Kötz , H. Kowalski , P. Kulinski , O. Kuprash , M. Kuze , A. Lee , B. B. Levchenko , A. Levy , V. Libov , S. Limentani , T. Y. Ling , M. Lisovyi , E. Lobodzinska , W. Lohmann , B. Löhr , E. Lohrmann , K. R. Long , A. Longhin , D. Lontkovskyi , O. Yu. Lukina , P. Łużniak , J. Maeda , S. Magill , I. Makarenko , J. Malka , R. Mankel , A. Margotti , G. Marini , J. F. Martin , A. Mastroberardino , M. C. K. Mattingly , I. -A. Melzer-Pellmann , S. Mergelmeyer , S. Miglioranzi , F. Mohamad Idris , V. Monaco , A. Montanari , J. D. Morris , K. Mujkic , B. Musgrave , K. Nagano , T. Namsoo , R. Nania , D. Nicholass , A. Nigro , Y. Ning , T. Nobe , U. Noor , D. Notz , R. J. Nowak , A. E. Nuncio-Quiroz , B. Y. Oh , N. Okazaki , K. Oliver , K. Olkiewicz , Yu. Onishchuk , K. Papageorgiu , A. Parenti , E. Paul , J. M. Pawlak , B. Pawlik , P. G. Pelfer , A. Pellegrino , W. Perlanski , H. Perrey , K. Piotrzkowski , P. Plucinski , N. S. Pokrovskiy , A. Polini , A. S. Proskuryakov , M. Przybycień , A. Raval , D. D. Reeder , B. Reisert , Z. Ren , J. Repond , Y. D. Ri , A. Robertson , P. Roloff , E. Ron , I. Rubinsky , M. Ruspa , R. Sacchi , A. Salii , U. Samson , G. Sartorelli , A. A. Savin , D. H. Saxon , M. Schioppa , S. Schlenstedt , P. Schleper , W. B. Schmidke , U. Schneekloth , V. Schönberg , T. Schörner-Sadenius , J. Schwartz , F. Sciulli , L. M. Shcheglova , R. Shehzadi , S. Shimizu , I. Singh , I. O. Skillicorn , W. Słomiński , W. H. Smith , V. Sola , A. Solano , D. Son , V. Sosnovtsev , A. Spiridonov , H. Stadie , L. Stanco , A. Stern , T. P. Stewart , A. Stifutkin , P. Stopa , S. Suchkov , G. Susinno , L. Suszycki , J. Sztuk-Dambietz , D. Szuba , J. Szuba , A. D. Tapper , E. Tassi , J. Terrón , T. Theedt , H. Tiecke , K. Tokushuku , O. Tomalak , J. Tomaszewska , T. Tsurugai , M. Turcato , T. Tymieniecka , C. Uribe-Estrada , M. Vázquez , A. Verbytskyi , O. Viazlo , N. N. Vlasov , O. Volynets , R. Walczak , W. A. T. Wan Abdullah , J. J. Whitmore , J. Whyte , L. Wiggers , M. Wing , M. Wlasenko , G. Wolf , H. Wolfe , K. Wrona , A. G. Yagües-Molina , S. Yamada , Y. Yamazaki , R. Yoshida , C. Youngman , A. F. Żarnecki , L. Zawiejski , O. Zenaiev , W. Zeuner , B. O. Zhautykov , N. Zhmak , C. Zhou , A. Zichichi , M. Zolko , D. S. Zotkin , Z. Zulkapli

Measurement of $D^{*\pm}$, $D^\pm$ and $D_s^\pm$ meson production cross sections in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

The production of $D^{*\pm}$, $D^\pm$ and $D_s^\pm$ charmed mesons has been measured with the ATLAS detector in $pp$ collisions at $\sqrt{s}=7$ TeV at the LHC, using data corresponding to an integrated luminosity of $280\,$nb$^{-1}$. The…

High Energy Physics - Experiment · Physics 2016-06-13 ATLAS Collaboration

Dissociation of virtual photons in events with a leading proton at HERA

The ZEUS detector has been used to study dissociation of virtual photons in events with a leading proton, gamma^* p -> X p, in e^+p collisions at HERA. The data cover photon virtualities in two ranges, 0.03<Q^2<0.60 GeV^2 and 2<Q^2<100…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

Measurement of Three-jet Distributions in Photoproduction at HERA

The cross section for the photoproduction of events containing three jets with a three-jet invariant mass of M_3J > 50 GeV has been measured with the ZEUS detector at HERA. The three-jet angular distributions are inconsistent with a uniform…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

Diffractive Dijet Photoproduction in ep Collisions at HERA

Measurements are presented of single and double-differential dijet cross sections in diffractive photoproduction based on a data sample with an integrated luminosity of 47 pb^-1. The events are of the type ep -> eXY, where the hadronic…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

A Summary of Charm Hadron Production Fractions

A summary of charm hadron production fractions is given, as measured at e+e- storage rings and at HERA, taking into account the newest values of charmed hadron decay branching ratios.

High Energy Physics - Experiment · Physics 2011-12-19 E. Lohrmann