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View article: French HEP community input to the European Strategy for Particle Physics
French HEP community input to the European Strategy for Particle Physics Open
In view of the European Strategy for Particle Physics process, the French HEP community has organized a national process of collecting written contributions and has pursued a series of workshops culminating with a national symposium held i…
View article: Up and down quark structure of the proton
Up and down quark structure of the proton Open
We report an improved measurement of the valence u and d quark distributions from the forward-backward asymmetry in the Drell-Yan process using 8.6 fb−1 of data collected with the D0 detector in pp¯ collisions at s=1.96. This analysis pro…
View article: Uncertainty components in profile likelihood fits
Uncertainty components in profile likelihood fits Open
When a measurement of a physical quantity is reported, the total uncertainty is usually decomposed into statistical and systematic uncertainties. This decomposition is not only useful for understanding the contributions to the total uncert…
View article: Uncertainty components in profile likelihood fits
Uncertainty components in profile likelihood fits Open
When a measurement of a physical quantity is reported, the total uncertainty is usually decomposed into statistical and systematic uncertainties. This decomposition is not only useful to understand the contributions to the total uncertaint…
View article: Effective Field Theory descriptions of Higgs boson pair production
Effective Field Theory descriptions of Higgs boson pair production Open
Higgs boson pair production is traditionally considered to be of particular interest for a measurement of the trilinear Higgs self-coupling. Yet it can offer insights into other couplings as well, since - in an effective field theory (EFT)…
View article: Light-by-light Scattering Cross-section Measurements at the LHC
Light-by-light Scattering Cross-section Measurements at the LHC Open
This note represents an attempt to gather the input related to light-by-light\nscattering ($\\gamma\\gamma$) cross-section measurements at LHC with the aim of\nchecking the consistency with different standard model predictions. For the\nfi…
View article: Light-by-light scattering cross-section measurements at LHC
Light-by-light scattering cross-section measurements at LHC Open
This note represents an attempt to gather the input related to light-by-light scattering ($γγ$) cross-section measurements at LHC with the aim of checking the consistency with different standard model predictions. For the first time, we al…
View article: Perspectives for quarkonium studies at the high-luminosity LHC
Perspectives for quarkonium studies at the high-luminosity LHC Open
We review the prospects for quarkonium-production studies in proton and nuclear collisions accessible during the upcoming phases of the CERN Large Hadron Collider operation after 2021, including the ultimate high-luminosity phase, with inc…
View article: Studies of $X(3872)$ and $\psi(2S)$ production in $p\bar{p}$ collisions at 1.96 TeV
Studies of $X(3872)$ and $\psi(2S)$ production in $p\bar{p}$ collisions at 1.96 TeV Open
We present various properties of the production of the $X(3872)$ and $ψ(2S)$ states based on $10.4 fb^{−1}$ collected by the D0 experiment in Tevatron $p\bar{p}$ collisions at $\sqrt{s}=1.96 TeV$. For both states, we measure the nonprompt …
View article: Inclusive production of the $P_c$ resonances in $p \\overline p $\n collisions
Inclusive production of the $P_c$ resonances in $p \\overline p $\n collisions Open
We present a study of the inclusive production in $p \\overline p $ collisions\nof the pentaquark states $P_c(4440)$ and $P_c(4457)$ with the decay to the\n$J/\\psi p$ final state previously observed by the LHCb experiment. Using a\nsample…
View article: Initial-state in heavy-ion collisions at colliders : Experimental summary
Initial-state in heavy-ion collisions at colliders : Experimental summary Open
An accurate understanding of the initial state of heavy-ion collisions is crucial to the interpretation of the corresponding measurements. The initial state geometry, including the spatial distribution of nucleons and their fluctuations, i…
View article: Opportunities in Flavour Physics at the HL-LHC and HE-LHC
Opportunities in Flavour Physics at the HL-LHC and HE-LHC Open
Motivated by the success of the flavour physics programme carried out over\nthe last decade at the Large Hadron Collider (LHC), we characterize in detail\nthe physics potential of its High-Luminosity and High-Energy upgrades in this\ndomai…
View article: Future physics opportunities for high-density QCD at the LHC with heavy-ion and proton beams
Future physics opportunities for high-density QCD at the LHC with heavy-ion and proton beams Open
The future opportunities for high-density QCD studies with ion and proton beams at the LHC are presented. Four major scientific goals are identified: the characterisation of the macroscopic long wavelength Quark-Gluon Plasma (QGP) properti…
View article: Recent results from CMS
Recent results from CMS Open
Recent results from the CMS Collaboration are reported, covering the wide variety of probes accessible to the experiment.
View article: Constraining nuclear PDFs with CMS
Constraining nuclear PDFs with CMS Open
Nuclear parton distribution functions are essential to the understanding of proton-lead collisions. We will review several measurements from CMS that are particularly sensitive to nPDFs. W and Z bosons are medium-blind probes of the initia…
View article: Combination of D0 measurements of the top quark mass
Combination of D0 measurements of the top quark mass Open
We present a combination of measurements of the top quark mass by the D0 experiment in the lepton+jets and dilepton channels. We use all the data collected in Run I (1992–1996) at √s=1.8 TeV and Run II (2001–2011) at √s = 1.96 TeV of the T…
View article: Measurement of the ttbar production cross section using events with one lepton and at least one jet in pp collisions at sqrt(s)=13 TeV
Measurement of the ttbar production cross section using events with one lepton and at least one jet in pp collisions at sqrt(s)=13 TeV Open
A measurement of the ttbar production cross section at sqrt(s)=13 TeV is presented using proton-proton collisions, corresponding to an integrated luminosity of 2.3 inverse femtobarns, collected with the CMS detector at the LHC. Final state…
View article: Search for CP violation in top quark-antiquark production and decay in proton-proton collisions at sqrt(s) = 8 TeV
Search for CP violation in top quark-antiquark production and decay in proton-proton collisions at sqrt(s) = 8 TeV Open
The results of a first search for CP violation in the production and decay of top quark-antiquark (ttbar) pairs are presented. The search is based on asymmetries in T-odd, triple-product correlation observables, where T is the time-reversa…
View article: LHC Forward Physics
LHC Forward Physics Open
The goal of this report is to give a comprehensive overview of the rich field of forward physics, with a special attention to the topics that can be studied at the LHC. The report starts presenting a selection of the Monte Carlo simulation…
View article: Measurement of the top quark mass using the matrix element technique in dilepton final states
Measurement of the top quark mass using the matrix element technique in dilepton final states Open
We present a measurement of the top quark mass in p (p) over bar collisions at a center-of-mass energy of 1.96 TeV at the Fermilab Tevatron collider. The data were collected by the D0 experiment corresponding to an integrated luminosity of…
View article: Scaling properties of inclusive W $$^\pm $$ ± production at hadron colliders
Scaling properties of inclusive W $$^\pm $$ ± production at hadron colliders Open
We consider the hadroproduction of W gauge bosons in their leptonic decay mode. Starting from the leading-order expressions, we show that by defining a suitable scaling variable the centre-of-mass dependence of the cross sections at the LH…
View article: Search for high-mass Z$\gamma$ resonances at $\sqrt{s} =$ 8 and 13 TeV using jet substructure techniques
Search for high-mass Z$\gamma$ resonances at $\sqrt{s} =$ 8 and 13 TeV using jet substructure techniques Open
A search for massive resonances decaying to a Z boson and a photon is performed in events with a hadronically decaying Z boson candidate, separately in light-quark and b quark decay modes, identified using jet substructure and advanced b t…