The ratio F2n/F2p in deep inelastic muon scattering

Amaudruz, P.; Arneodo, M.; Ardivson, A.; Badełek, B.; Baum, G.; Beaufays, J.; Bird, I.; Botje, M.; Broggini, C.; Brückner, W.; Brüll, A.; Burger, W. J.; Ciborowski, J.; Dantzig, R. van; Döbbeling, H.; Domingo, J.; Drinkard, J.; Engelien, H.; Ferrero, M. I.; Fluri, L.; Grafström, P.; Harrach, D. von; Heijden, M. van der; Heusch, C. A.; Ingram, Q.; Janson, K.; Jong, M. de; Kabuß, E. M.; Kaiser, R.; Ketel, T.; Klein, Frank; Korzen, B.; Krüner, U.; Kullander, S.; Landgraf, U.; Lettenström, F.; Lindqvist, T.; Mallot, G.K.; Mariotti, C.; Middelkoop, G. van; Milsztajn, A.; Mizuno, Y.; Nassalski, J.; Nowotny, D.; Pavel, N.; Peroni, C.; Peschel, H.; Povh, Bogdan; Rieger, R.; Rith, Klaus; Röhrich, K.; Rondio, E.; Ropelewski, L.; Sandacz, A.; Scholz, Christoph; Schumacher, R. A.; Sennhauser, U.; Sever, F.; Shibata, T. A.; Siebler, Mario; Simon, A.; Staiano, A.; Taylor, G. N.; Treichel, M.; Virchaux, M.; Vuilleumier, J. L.; Walcher, Th.; Windmolders, R.; Zetsche, Frank

doi:10.1016/0550-3213(92)90227-3

Cited by 133 publications

(69 citation statements)

References 45 publications

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“…These would be, by orders of magnitude, the smallest values of x where gluon distribution in a nucleus has ever been measured. For example, the smallest values of x measurable in fixed target DIS experiments at CERN and Fermilab is x ∼ 10 −2 at similar Q 2 [22,23]. Therefore, by measuring the η ′ production cross section at large rapidities, one can, for the first time, determine the nuclear gluon distribution function at very small x and moderately large Q 2 .…”

Section: Collinear Factorized Cross Sectionmentioning

confidence: 99%

Probing gluons in nuclei: The case ofη′

Jalilian‐Marian

Jeon

2002

Phys. Rev. C

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Using the recently proposed ggη ′ effective vertex, we investigate the production of η ′ from gluon fusion in pA collisions. We show that measuring η ′ production cross-section at moderate x η ′ yields direct information on the small x gluon distribution function of the nucleus. At RHIC, the smallest accessible x turns out to be O(10 −5 ) and at LHC, it is O(10 −8 ). Therefore, η ′ is an excellent probe of the Color Glass Condensate.

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Section: Collinear Factorized Cross Sectionmentioning

confidence: 99%

Probing gluons in nuclei: The case ofη′

Jalilian‐Marian

Jeon

2002

Phys. Rev. C

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“…The Born cross section for inelastic scattering on the proton is simulated according to the ALLM97 parameterization of F p 2 [25] and the parameterization R 1990 [33] for R, while that for the deuteron is derived from the same parameterizations in conjunction with the fit [34] to F d 2 /F p 2 data from NMC, SLAC and BCDMS. Radiative effects are simulated with RADGEN [35].…”

Section: Instrumental Smearing and Radiative Effectsmentioning

confidence: 99%

Inclusive measurements of inelastic electron and positron scattering from unpolarized hydrogen and deuterium targets

Airapetian¹,

Акопов²,

Akopov³

et al. 2011

J. High Energ. Phys.

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Results of inclusive measurements of inelastic electron and positron scattering from unpolarized protons and deuterons at the HERMES experiment are presented. The structure functions F p 2 and F d 2 are determined using a parameterization of existing data for the longitudinal-to-transverse virtual-photon absorption cross-section ratio. The HERMES results provide data in the ranges 0.006 ≤ x ≤ 0.9 and 0.1 GeV 2 ≤ Q 2 ≤ 20 GeV 2 , covering the transition region between the perturbative and the non-perturbative regimes of QCD in a so-far largely unexplored kinematic region. They are in agreement with existing world data in the region of overlap. The measured cross sections are used, in combination with data from other experiments, to perform fits to the photon-nucleon cross section using the functional form of the ALLM model. The deuteron-to-proton cross-section ratio is also determined.

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“…Note that radiation of photon at large angles by the initial and final electrons increases the region of variation for quantity r in (35), because for collinear radiation r 1 < r < r 2 and now r − < r 1 and r + > r 2 . It may be important if the hadron structure functions are large in these additional regions.…”

Section: H(un) µνmentioning

confidence: 99%

“…It allows us not to mix pure radiative effects, which are of interest, with influence of hadron structure functions. Specifically, we use the so-called D8 model for spin-average SF [35] (see also discussion in [9]), and A 1 (x) = x 0.725 suggested in [37]; g 2 = 0 (for definition A 1 (x) see below).…”

Section: Numerical Estimationsmentioning

confidence: 99%

QED correction to asymmetry for polarized ep scattering from the method of electron structure functions

Afanasev

Akushevich

Merenkov

2004

J. Exp. Theor. Phys.

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The electron structure function method is applied to calculate model-independent radiative corrections to an asymmetry of electron-proton scattering. The representations for both spin-independent and spin-dependent parts of the cross-section are derived. Master formulae take into account the leading corrections in all orders and the main contribution of the second order next-to-leading ones and have accuracy at the level of one per mille. Numerical calculations illustrate our analytical results for both elastic and deep inelastic events.

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The ratio F2n/F2p in deep inelastic muon scattering

Cited by 133 publications

References 45 publications

Probing gluons in nuclei: The case ofη′

Probing gluons in nuclei: The case ofη′

Inclusive measurements of inelastic electron and positron scattering from unpolarized hydrogen and deuterium targets

QED correction to asymmetry for polarized ep scattering from the method of electron structure functions

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