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The forward-backward asymmetry in Drell-Yan production and the effective leptonic electroweak mixing angle are measured in proton-proton collisions at $\sqrt{s}$ = 13 TeV, collected by the CMS experiment and corresponding to an integrated…

高能物理 - 实验 · 物理学 2025-05-22 CMS Collaboration

Final results of a detailed analysis of p+p elastic scattering data are presented, utilizing the quark-diquark model of protons in a form proposed by Bialas and Bzdak. The differential cross-section of elastic proton-proton collisions is…

高能物理 - 唯象学 · 物理学 2016-08-14 F. Nemes , T. Csörgő

Measurements of the cross sections for charged current deep inelastic scattering in e+p collisions with a longitudinally polarised positron beam are presented. The measurements are based on a data sample with an integrated luminosity of 132…

高能物理 - 实验 · 物理学 2012-08-27 ZEUS Collaboration

We present an analysis of $13$ observables in Compton scattering on the proton. Cross sections, asymmetries with polarised beam and/or targets, and polarisation-transfer observables are investigated for energies up to the $\Delta(1232)$…

核理论 · 物理学 2018-04-04 Harald W. Griesshammer , Judith A. McGovern , Daniel R. Phillips

A new method for the determination of the real part of the elastic scattering amplitude is examined for high energy proton-proton elastic scattering at small momentum transfer. This method allows us to decrease the number of model…

高能物理 - 唯象学 · 物理学 2009-11-10 P. Gauron , B. Nicolescu , O. V. Selyugin

Background: The most significant source of background in direct dark matter searches are neutrons that scatter elastically from nuclei in the detector's sensitive volume. Experimental data for the elastic scattering cross section of…

核实验 · 物理学 2013-05-29 S. MacMullin , M. Kidd , R. Henning , W. Tornow , C. R. Howell , M. Brown

Differential cross-sections are measured for the production of four charged leptons in association with two jets. These measurements are sensitive to final states in which the jets are produced via the strong interaction as well as to the…

高能物理 - 实验 · 物理学 2024-08-29 ATLAS Collaboration

High energy proton-proton and antiproton-proton elastic scattering are studied first in a model where the nucleon has an outer cloud and an inner core. Elastic scattering is viewed as due to two processes: a) diffraction scattering…

高能物理 - 唯象学 · 物理学 2011-01-27 M. M. Islam , R. J. Luddy , A. V. Prokudin

Inclusive jet production cross-sections are measured in proton--proton collisions at a centre-of-mass energy of $\sqrt{s}=$8 TeV recorded by the ATLAS experiment at the Large Hadron Collider at CERN. The total integrated luminosity of the…

高能物理 - 实验 · 物理学 2017-10-05 ATLAS Collaboration

The repeated passage of a coasting ion beam of a storage ring through a thin target induces a shift in the revolution frequency due to the energy loss in the target. Since the frequency shift is proportional to the beam-target overlap, its…

Few composite exponential models for the differential cross section are proposed to analyse the proton-proton ($pp$) elastic scattering at several energies. These proposed models are fitted to the data for $pp$ elastic differential cross…

高能物理 - 唯象学 · 物理学 2025-06-09 Muhammad Saad Ashraf , Nosheen Akbar , Sarwat Zahra

The production of isolated photons in deep-inelastic scattering $ep\to e \gamma X$ is measured with the H1 detector at HERA. The measurement is performed in the kinematic range of negative four-momentum transfer squared $4<Q^2<150 $~GeV$^2$…

高能物理 - 实验 · 物理学 2012-08-27 H1 Collaboration

The vector and tensor analysing powers in deuteron-proton elastic scattering have been measured in the forward hemisphere at deuteron kinetic energies of 1.2 GeV and 2.27 GeV using the ANKE spectrometer at the COSY storage ring. The results…

The coplete analysis of the model-independent leading radiative corrections to cross-section and polarization observables in semi-inclusive deep-inelastic electron-nucleus scattering with detection of a proton and scattered electron in…

高能物理 - 唯象学 · 物理学 2014-11-17 A. V. Afanas'ev , I. Akushevich , G. I. Gakh , N. P. Merenkov

The PP2PP experiment is devoted to the proton-proton elastic scattering measurement at the Relativistic Heavy Ion Collider at the centre-of-mass energies between 50 and 500 GeV and the four-momentum transfer $0.0004 \leq |t| \leq 1.3$…

高能物理 - 实验 · 物理学 2011-08-17 J. Chwastowski

A precise measurement of the total cross section and the coulomb scattering at the LHC requires the observation of elastically scatteredparticles at extremely small angles (14 microrad, -t < 0.01 GeV**2 for the first case; 3 microrad,…

高能物理 - 实验 · 物理学 2007-05-23 A. Faus-Golfe , M. Haguenauer , J. Velasco

Performances of the Very Forward Proton Spectrometer (VFPS) of the H1 detector at HERA using data collected during the 2006/2007 running period are discussed, including the description of acceptance, reconstruction of proton energy loss and…

高能物理 - 实验 · 物理学 2010-11-19 Tomas Hreus

The measurement of diffractively scattered protons in the ATLAS Forward Physics detector system placed 220 m away from the ATLAS interaction point is studied. A parameterisation of the scattered proton transport through the LHC magnet…

仪器与探测器 · 物理学 2009-12-17 R. Staszewski , J. Chwastowski

We show that according to the present understanding of the energy evolution of the observables measured in deep-inelastic scattering, the photon-proton scattering amplitude has to exhibit geometric scaling at each impact parameter. We…

高能物理 - 唯象学 · 物理学 2008-11-26 S. Munier , S. Wallon