Drell-Yan process
EMC effect in the Drell-Yan process at COMPASS
... and Drell-Yan process, search for new exotic hadron states in di ff ractive, central, Primako ff and lepto- production, tests of the chiral theory predictions, measurement of generalized parton ...
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Off-shell initial state effects in Drell-Yan process at hadron colliders
... “eikonal” terms in Eq. (5) correspond to the coupling of photon with these Wilson lines. Corrections to this approximation are suppressed by powers of e − ∆ y , where ∆ y is the rapidity gap. In other words, inclusion of ...
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Study of the Drell-Yan process with the pair-production of polarized tau leptons in collisions of polarized proton beams
... A. Aleshko 1 , ∗ , E. Boos 2 , ∗∗ , and V. Bunichev 2 , ∗∗∗ 1 Lomonosov Moscow State University, 119991 Moscow, Russia 2 Skobeltsyn Institute of Nuclear Physics, MSU, 119991 Moscow, Russia Abstract. The new method for ...
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Hadron Structure from the Drell-Yan Process
... Future experiments are being prepared with polarized Targets and polarized beams to study single transverse spin asymmetries and the related spin dependent TMD distribution functions [r] ...
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The LHC Excess of Four-lepton Events Interpreted as Higgs-boson Signal: Background from Double Drell--Yan Process?
... • The peaking behaviour in the four-lepton mass spectrum in the region of the observed excess of events: in the case of the Higgs-boson signal the peak position reflects the Higgs-boson [r] ...
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Transverse Spin Effects in Future Drell-Yan Experiments
... the Drell-Yan pro- cess since meson and antiproton beams are ...existing Drell-Yan experiments, the proton-induced Drell- Yan process is sensitive to the antiquark ...
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Study of transverse momentum dependent distributions from polarised Drell-Yan at COMPASS
... The Drell-Yan process, which consists in the quark-antiquark annihilation into a virtual photon giving a lepton pair in the final state, is an excellent tool to study the TMD ...this process ...
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Measurement of the Drell Yan triple differential cross section in pp collisions at s=8 TeV
... In this channel, the rapidity range of the measurement is extended by selecting one central electron and one forward electron. Forward electrons are defined as having pseudorapidities in the range 2.5 < |η e | < 4.9, ...
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Measurements of μμ pairs from open heavy flavor and Drell-Yan in p + p collisions at √s = 200 GeV
... b¯b, Drell-Yan, and hadronic pair background components are correlated through the fitting procedure, thus an uncertainty on the shape for any one template distribution will affect the fit results of all ...
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Müller, Thomas (2010): Investigation of the High Mass Drell Yan Spectrum with ATLAS. Dissertation, LMU München: Fakultät für Physik
... One of these analyses will be the precise measurement of the differential cross section of the high mass Drell Yan process. By comparing the theoretical predictions to the data a model independent ...
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Measurement of d sigma/dM and forward-backward charge asymmetry for high-mass Drell-Yan e(+)e(-) pairs from p(p)over-bar collisions at root s=1.8 TeV
... The sample of e 1 e 2 events was collected by a three- level on-line trigger that required an electron in either the central or the plug calorimeter. The off-line analysis se- lected events with two or more electron ...
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Nuclear effects in Drell-Yan production at the LHC
... Nuclear effects in Drell-Yan production at the LHC M. Krelina 1 , a , E. Basso 2 , 3 , V. P. Goncalves 3 , 4 , J. Nemchik 1 , 5 , and R. Pasechnik 3 1 FNSPE, Czech Technical University in Prague, Brehova 7, ...
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Fiducial distributions in Higgs and Drell-Yan production at N3LL+NNLO
... [email protected], [email protected], [email protected], [email protected], [email protected] Abstract: The perturbative description of certain differential distributions across a wide kinematic ...
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The photon PDF from high-mass Drell Yan data at the LHC
... A tailored version of APPLgrid is used, accounting for the contribution of the photon-initiated processes. 1 The calcu- lation is performed in the n f = 5 scheme neglecting mass effects of charm and bottom quarks in the ...
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The study of QCD in high pile-up environments: Higgs boson and Drell-Yan production
... production process to probe QCD by a colour-singlet ...and Drell-Yan production and investigate whether measuring ratios or subtractions can yield results that are stable in high pile-up ...
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Systematic study of real photon and Drell-Yan pair production in p+A (d+A) interactions
... 5 Institute of Experimental Physics SAS, Watsonova 47, 04001 Kosice, Slovakia Abstract. We study nuclear effects in production of Drell-Yan pairs and direct photons in proton-nucleus collisions. For the first ...
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A Positive-Weight Next-to-Leading Order Monte Carlo Simulation of Drell-Yan Vector Boson Production
... the Drell-Y an pro
ess was al
ulated nearly 30 years ago [40,41℄, we have implemented an independent al
ulation of it more suited to our present goal, in
luding the de
ay of the ve
tor boson and γ/Z interferen
e ...
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Non-perturbative structure of semi-inclusive deep-inelastic and Drell-Yan scattering at small transverse momentum.
... Given the number of details needed for the presentation of this work, we split the discussions into almost independent parts. The first part, section 2, contains the description of the TMD factorization theorem for ...
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Determination of the Higgs CP-mixing angle in the tau decay channels at the LHC including the Drell–Yan background
... from Drell–Yan production, Z ∗ /γ ∗ → ττ , at NLO ...the Drell–Yan ...the Drell–Yan τ events into two different sets, two different non-trivial ϕ ∗ CP distributions are ...
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Measurement of the low mass Drell Yan differential cross section at √s = 7 TeV using the ATLAS detector
... The effects of the electron trigger, identification and isolation requirements on the DY- pair selection efficiency are evaluated using MC simulation by varying the correction factors th[r] ...
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