M. Pesaresi
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View article: Serenity-S1 - A Versatile ATCA Processing Card for the CMS Phase-2 Upgrade
Serenity-S1 - A Versatile ATCA Processing Card for the CMS Phase-2 Upgrade Open
View article: UA9 apparatus for testing beam merging
UA9 apparatus for testing beam merging Open
The UA9 Collaboration has used a high-resolution silicon-strip telescope and a high-precision goniometer to investigate coherent and incoherent crystal-particle interactions in the North Experimental Area of the CERN SPS. Over the last fif…
View article: Crystal channeling investigations at medical synchrotron regimes
Crystal channeling investigations at medical synchrotron regimes Open
An experimental setup to investigate ion channeling in the hundreds MeV/u energy range is described. A short bent crystal, aligned to the incoming beam by an angular actuator, should deflect ions into a single plane pixel detector used to …
View article: Lessons learned while developing the Serenity-S1 ATCA card
Lessons learned while developing the Serenity-S1 ATCA card Open
The Serenity-S1 is a production-optimised Advanced Telecommunications Computing Architecture (ATCA) processing blade based on the AMD Xilinx Virtex Ultrascale+ device. It incorporates many developments from the Serenity-A and Serenity-Z pr…
View article: Beam merging assisted by a bent crystal
Beam merging assisted by a bent crystal Open
View article: Lessons learned while developing the Serenity-S1 ATCA card
Lessons learned while developing the Serenity-S1 ATCA card Open
The Serenity-S1 is a Xilinx Virtex Ultrascale+ based Advanced Telecommunications Computing Architecture (ATCA) processing blade that has been optimised for production. It incorporates many developments from the Serenity-A and Serenity-Z pr…
View article: Track reconstruction and analysis of particle interactions in short bent crystals
Track reconstruction and analysis of particle interactions in short bent crystals Open
Measurements of the interaction of positively charged particles with bent crystals were obtained by developing a new and consolidated analysis method, for the use of UA9 collaboration. The method was deployed to characterize crystals with …
View article: Lessons learnt from the first vertical slice of the CMS Outer Tracker
Lessons learnt from the first vertical slice of the CMS Outer Tracker Open
A vertical slice of the CMS Outer Tracker has been tested at the tracker integration facility and at the M2 muon beam facility at CERN. It includes the final prototype of the 2S module with an optical link to the back-end ATCA system. The …
View article: Search for Higgs Boson Pair Production in the Four b Quark Final State in Proton-Proton Collisions at sqrt[s]=13 TeV.
Search for Higgs Boson Pair Production in the Four b Quark Final State in Proton-Proton Collisions at sqrt[s]=13 TeV. Open
A search for pairs of Higgs bosons produced via gluon and vector boson fusion is presented, focusing on the four b quark final state. The data sample consists of proton-proton collisions at a center-of-mass energy of 13 TeV, collected with…
View article: Multiple scattering of channeled and non-channeled positively charged particles in bent monocrystalline silicon
Multiple scattering of channeled and non-channeled positively charged particles in bent monocrystalline silicon Open
View article: Feasibility of crystal-assisted collimation in the CERN accelerator complex
Feasibility of crystal-assisted collimation in the CERN accelerator complex Open
Bent silicon crystals mounted on high-accuracy angular actuators were installed in the CERN Super Proton Synchrotron (SPS) and extensively tested to assess the feasibility of crystal-assisted collimation in circular hadron colliders. The a…
View article: A flexible and low-cost open-source IPMC mezzanine for ATCA boards based on OpenIPMC
A flexible and low-cost open-source IPMC mezzanine for ATCA boards based on OpenIPMC Open
This work presents the development of an Intelligent Platform Management Controller mezzanine in a Mini DIMM form factor for use in electronic boards compliant to the PICMG Advanced Telecommunication Computing Architecture (ATCA) standard.…
View article: ZynqMP-based board-management mezzanines for Serenity ATCA-blades
ZynqMP-based board-management mezzanines for Serenity ATCA-blades Open
In the context of the CMS Phase-2 tracker back-end processing system, two mezzanines based on the Zynq Ultrascale+ Multi-Processor System-on-Chip (MPSoC) device have been developed to serve as centralized slow control and board management …
View article: Observation of the B$_\mathrm{c}^+$ meson in PbPb and pp collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
Observation of the B$_\mathrm{c}^+$ meson in PbPb and pp collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV Open
The B$_\mathrm{c}^+$ meson is observed for the first time in heavy ion collisions. Data from the CMS detector are used to measure the production of the B$_\mathrm{c}^+$ meson in lead-lead (PbPb) and proton-proton (pp) collisions at a cente…
View article: Measurement of the production cross section for Z+b jets in proton-proton collisions at $\sqrt s$ = 13 TeV
Measurement of the production cross section for Z+b jets in proton-proton collisions at $\sqrt s$ = 13 TeV Open
The measurement of the cross section for the production of a Z boson, decaying to dielectrons or dimuons, in association with at least one bottom quark jet are performed with proton-proton collision data at $\sqrt{s}$ = 13 TeV. The data sa…
View article: Search for single production of a vector-like T quark decaying to a top quark and a Z boson in the final state with jets and missing transverse momentum at $ \sqrt{s} $ = 13 TeV
Search for single production of a vector-like T quark decaying to a top quark and a Z boson in the final state with jets and missing transverse momentum at $ \sqrt{s} $ = 13 TeV Open
A search is presented for single production of a vector-like T quark with charge 2/3 $e$, in the decay channel featuring a top quark and a Z boson, with the top quark decaying hadronically and the Z boson decaying to neutrinos. The search …
View article: Measurement of the inclusive and differential WZ production cross sections, polarization angles, and triple gauge couplings in pp collisions at $ \sqrt{s} $ = 13 TeV
Measurement of the inclusive and differential WZ production cross sections, polarization angles, and triple gauge couplings in pp collisions at $ \sqrt{s} $ = 13 TeV Open
The associated production of a W and a Z boson is studied in final states with multiple leptons produced in proton-proton (pp) collisions at a centre-of-mass energy of 13 TeV using 137 fb$^{-1}$ of data collected with the CMS detector at t…
View article: Search for a W' boson decaying to a vector-like quark and a top or bottom quark in the all-jets final state at sqrt(s) = 13 TeV
Search for a W' boson decaying to a vector-like quark and a top or bottom quark in the all-jets final state at sqrt(s) = 13 TeV Open
A search is presented for a heavy W' boson resonance decaying to a B or T vector-like quark and a t or a b quark, respectively. The analysis is performed using protonproton collisions collected with the CMS detector at the LHC. The data co…
View article: Search for long-lived heavy neutral leptons with displaced vertices in proton-proton collisions at $\sqrt{s}$ =13 TeV
Search for long-lived heavy neutral leptons with displaced vertices in proton-proton collisions at $\sqrt{s}$ =13 TeV Open
A search for heavy neutral leptons (HNLs), the right-handed Dirac or Majorana neutrinos, is performed in final states with three charged leptons (electrons or muons) using proton-proton collision data collected by the CMS experiment at $\s…
View article: A flexible and low-cost open-source IPMC mezzanine for ATCA boards based on OpenIPMC
A flexible and low-cost open-source IPMC mezzanine for ATCA boards based on OpenIPMC Open
This work presents the development of an Intelligent Platform Management Controller mezzanine in a Mini DIMM form factor for use in electronic boards compliant to the PICMG Advanced Telecommunication Computing Architecture (ATCA) standard.…
View article: Measurement of the inclusive and differential $\mathrm{t\bar{t}}\gamma$ cross sections in the dilepton channel and effective field theory interpretation in proton-proton collisions at $\sqrt{s}$ =13 TeV
Measurement of the inclusive and differential $\mathrm{t\bar{t}}\gamma$ cross sections in the dilepton channel and effective field theory interpretation in proton-proton collisions at $\sqrt{s}$ =13 TeV Open
The production cross section of a top quark pair in association with a photon is measured in proton-proton collisions in the decay channel with two oppositely charged leptons (e$^{±}$μ$^{∓}$, e$^{+}$e$^{−}$, or μ$^{+}$μ$^{−}$). The measure…
View article: Search for supersymmetry in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at $ \sqrt{s} $ = 13 TeV
Search for supersymmetry in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at $ \sqrt{s} $ = 13 TeV Open
A search for supersymmetry in events with two or three low-momentum leptons and missing transverse momentum is performed. The search uses proton-proton collisions at $\\sqrt{s}$ = 13 TeV collected in the three-year period 2016–2018 by the …
View article: Identification of hadronic tau lepton decays using a deep neural network
Identification of hadronic tau lepton decays using a deep neural network Open
A new algorithm is presented to discriminate reconstructed hadronic decays of tau leptons (τh) that originate from genuine tau leptons in the CMS detector against τh candidates that originate from quark or gluon jets, electrons, or muons. …
View article: Measurement of W$^\pm\gamma$ differential cross sections in proton-proton collisions at $\sqrt{s}$ = 13 TeV and effective field theory constraints
Measurement of W$^\pm\gamma$ differential cross sections in proton-proton collisions at $\sqrt{s}$ = 13 TeV and effective field theory constraints Open
Differential cross section measurements of W$^\pm\gamma$ production in proton-proton collisions at $\sqrt{s}$ = 13 TeV are presented. The data set used in this study was collected with the CMS detector at the CERN LHC in 2016-2018 with an …
View article: Measurement of the Drell-Yan forward-backward asymmetry at high dilepton masses in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Measurement of the Drell-Yan forward-backward asymmetry at high dilepton masses in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open
A measurement of the forward-backward asymmetry of pairs of oppositely charged leptons (dimuons and dielectrons) produced by the Drell-Yan process in proton-proton collisions is presented. The data sample corresponds to an integrated lumi…
View article: Search for new physics in the lepton plus missing transverse momentum final state in proton-proton collisions at $\sqrt{s} =$ 13 TeV
Search for new physics in the lepton plus missing transverse momentum final state in proton-proton collisions at $\sqrt{s} =$ 13 TeV Open
A search for physics beyond the standard model (SM) in final states with an electron or muon and missing transverse momentum is presented. The analysis uses data from proton-proton collisions at a centre-of-mass energy of 13 TeV, collected…
View article: Search for new particles in an extended Higgs sector with four b quarks in the final state at $\sqrt{s}$ = 13 TeV
Search for new particles in an extended Higgs sector with four b quarks in the final state at $\sqrt{s}$ = 13 TeV Open
A search for an extended Higgs sector, characterized by a massive resonance X decaying to a pair of spin-0 bosons $\phi$ that themselves decay to pairs of bottom quarks, is presented. The analysis is restricted to the mass ranges $m_\phi$ …
View article: Inclusive nonresonant multilepton probes of new phenomena at $\sqrt s$=13 TeV
Inclusive nonresonant multilepton probes of new phenomena at $\sqrt s$=13 TeV Open
An inclusive search for nonresonant signatures of beyond the standard model (SM) phenomena in events with three or more charged leptons, including hadronically decaying $τ$ leptons, is presented. The analysis is based on a data sample corr…
View article: Study of dijet events with large rapidity separation in proton-proton collisions at $ \sqrt{s} $ = 2.76 TeV
Study of dijet events with large rapidity separation in proton-proton collisions at $ \sqrt{s} $ = 2.76 TeV Open
The cross sections for inclusive and Mueller-Navelet dijet production are measured as a function of the rapidity separation between the jets in proton-proton collisions at $\\sqrt{s}$ = 2.76 TeV for jets with transverse momentum $p_\\mathr…
View article: Observation of B$^0$$\to$$\psi$(2S)K$^0_\mathrm{S}\pi^+\pi^-$ and B$^0_\mathrm{S}$$\to$$\psi$(2S)K$^0_\mathrm{S}$ decays
Observation of B$^0$$\to$$\psi$(2S)K$^0_\mathrm{S}\pi^+\pi^-$ and B$^0_\mathrm{S}$$\to$$\psi$(2S)K$^0_\mathrm{S}$ decays Open
Using a data sample of $\sqrt{s} =$ 13 TeV proton-proton collisions collected by the CMS experiment at the LHC in 2017 and 2018 with an integrated luminosity of 103 fb$^{-1}$, the B$^0$$\to$$\psi$(2S)K$^0_\mathrm{S}$ and B$^0_\mathrm{S}$$\…