Professor Amanda Cooper-Sarkar: Publications

Measurement of beauty production from dimuon events at HERA

Journal of High Energy Physics 2009:2 (2009)

Authors:

S Chekanov, M Derrick, S Magill, B Musgrave, D Nicholass, J Repond, R Yoshida, MCK Mattingly, P Antonioli, G Bari, L Bellagamba, D Boscherini, A Bruni, G Bruni, F Cindolo, M Corradi, G Iacobucci, A Margotti, R Nania, A Polini, S Antonelli, M Basile, M Bindi, L Cifarelli, A Contin, S De Pasquale, G Sartorelli, A Zichichi, D Bartsch, I Brock, H Hartmann, E Hilger, HP Jakob, M Jungst, AE Nuncio-Quiroz, E Paul, U Samson, V Schonberg, R Shehzadi, M Wlasenko, NH Brook, GP Heath, JD Morris, M Kaur, P Kaur, I Singh, M Capua, S Fazio, A Mastroberardino, M Schioppa, G Susinno, E Tassi, JY Kim, ZA Ibrahim, B Kamaluddin, WAT Wan Abdullah, Y Ning, Z Ren, F Sciulli, J Chwastowski, A Eskreys, J Figiel, A Galas, K Olkiewicz, P Stopa, L Zawiejski, L Adamczyk, T Bold, I Grabowska-Bold, D Kisielewska, J Lukasik, M Przybycien, L Suszycki, A Kotanski, WS Lominski, O Behnke, U Behrens, I Bloch, C Blohm, A Bonato, K Borras, D Bot, R Ciesielski, N Coppola, S Fang, J Fourletova, A Geiser, P Gottlicher, J Grebenyuk, I Gregor, O Gutsche, T Haas, W Hain, A Huttmann, F Januschek, B Kahle, II Katkov, U Klein, U Kotz, H Kowalski

Abstract:

Beauty production in events containing two muons in the final state has been measured with the ZEUS detector at HERA using an integrated luminosity of 114 pb-1. A low transverse-momentum threshold for muon identification, in combination with the large rapidity coverage of the ZEUS muon system, gives access to almost the full phase space for beauty production. The total cross section for beauty production in ep collisions at (s)1/2 = 318 GeV has been measured to be σtot(ep bX) = 13.9 1.5(stat.)+4.0-4.3(syst.)nb. Differential cross sections and a measurement of b correlations are also obtained, and compared to other beauty cross-section measurements, Monte Carlo models and next-to-leading-order QCD predictions. © 2009 SISSA.

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Measurement of $J/ψ$ helicity distributions in inelastic photoproduction at HERA

ArXiv 0906.1424 (2009)

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Multi-lepton production at high transverse momentum at HERA

ArXiv 0906.1504 (2009)

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Measurement of charged current deep inelastic scattering cross sections with a longitudinally polarised electron beam at HERA

European Physical Journal C 61:2 (2009) 223-235

Authors:

S Chekanov, M Derrick, S Magill, B Musgrave, D Nicholass, J Repond, R Yoshida, MCK Mattingly, P Antonioli, G Bari, L Bellagamba, D Boscherini, A Bruni, G Bruni, F Cindolo, M Corradi, G Iacobucci, A Margotti, R Nania, A Polini, S Antonelli, M Basile, M Bindi, L Cifarelli, A Contin, S De Pasquale, G Sartorelli, A Zichichi, D Bartsch, I Brock, H Hartmann, E Hilger, HP Jakob, M Jüngst, AE Nuncio-Quiroz, E Paul, U Samson, V Schönberg, R Shehzadi, M Wlasenko, NH Brook, GP Heath, JD Morris, M Kaur, P Kaur, I Singh, M Capua, S Fazio, A Mastroberardino, M Schioppa, G Susinno, E Tassi, JY Kim, ZA Ibrahim, F Mohamad Idris, B Kamaluddin, WAT Wan Abdullah, Y Ning, Z Ren, F Sciulli, J Chwastowski, A Eskreys, J Figiel, A Galas, K Olkiewicz, B Pawlik, P Stopa, L Zawiejski, L Adamczyk, T Bołd, I Grabowska-Bołd, D Kisielewska, J Łukasik, M Przybycień, L Suszycki, A Kotański, W Słomiński, O Behnke, U Behrens, C Blohm, A Bonato, K Borras, D Bot, R Ciesielski, N Coppola, S Fang, J Fourletova, A Geiser, P Göttlicher, J Grebenyuk, I Gregor, T Haas, W Hain, A Hüttmann, F Januschek, B Kahle, II Katkov, U Klein, U Kötz, H Kowalski

Abstract:

Measurements of the cross sections for charged current deep inelastic scattering in e - p collisions with longitudinally polarised electron beams are presented. The measurements are based on a data sample with an integrated luminosity of 175 pb-1 collected with the ZEUS detector at HERA at a centre-of-mass energy of 318 GeV. The total cross section is given for positively and negatively polarised electron beams. The differential cross-sections d σ/dQ 2, d σ/dx and d σ/dy are presented for Q 2>200 GeV2. The double-differential cross-section d 2 σ/dxdQ 2 is presented in the kinematic range 280

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Measurement of charm and beauty production in deep inelastic ep scattering from decays into muons at HERA

ArXiv 0904.3487 (2009)

Authors:

The ZEUS Collaboration, S Chekanov

Details from ArXiV

Professor Amanda Cooper-Sarkar

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Measurement of beauty production from dimuon events at HERA

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Abstract:

Measurement of $J/ψ$ helicity distributions in inelastic photoproduction at HERA

Multi-lepton production at high transverse momentum at HERA

Measurement of charged current deep inelastic scattering cross sections with a longitudinally polarised electron beam at HERA

Authors:

Abstract:

Measurement of charm and beauty production in deep inelastic ep scattering from decays into muons at HERA

Authors:

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Professor Amanda Cooper-Sarkar

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Measurement of beauty production from dimuon events at HERA

Authors:

Abstract:

Measurement of $J/ψ$ helicity distributions in inelastic photoproduction at HERA

Multi-lepton production at high transverse momentum at HERA

Measurement of charged current deep inelastic scattering cross sections with a longitudinally polarised electron beam at HERA

Authors:

Abstract:

Measurement of charm and beauty production in deep inelastic ep scattering from decays into muons at HERA

Authors: