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CERN Published Articles

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2020-02-18
08:23
Angular analyses of b → sll  transitions at CMS / Li, Linwei (Peking U.) /CMS
The flavour changing neutral current decays are interesting probes for searching for new physics. Angular distributions of b → sℓ + ℓ− transition processes of both B0 → K*0 µ + µ− and B+ → K+ µ + µ− are studied using a sample of proton-proton collisions at collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 20.5 fb−1. [...]
2019 - 5 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012051 Fulltext from Publisher: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012051

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2020-02-18
08:23
The SHiP experiment at CERN / De Lellis, Giovanni (INFN, Naples ; Naples U.) /SHiP
The discovery of the Higgs boson has fully confirmed the Standard Model of particles and fields. Nevertheless, fundamental phenomena like the existence of dark matter and the baryon asymmetry of the Universe still deserve an explanation that could come from the discovery of new particles. [...]
2019 - 6 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012059 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012059

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2020-02-18
08:23
CP violation in two- and quasi-two-body charmless B decays at LHCb / Gabriel, Emmy (Edinburgh U.) /LHCb
Recent results of CP violation measurements in two- and quasi-two-body charmless B meson decays at LHCb are highlighted. The measurement of the CP -violating weak phase from the decay is discussed, as well as the CP -violating phase from the decay. [...]
2019 - 6 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012056 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012056

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2020-02-18
08:23
CP Violation measurements in B→DX decays at LHCb / Oblakowska-Mucha, Agnieszka (AGH-UST, Cracow) /LHCb
Measurements of CP violation are a core part of the LHCb physics programme and provide sensitivity to angles of the CKM matrix as well as searching for evidence of physics beyond the Standard Model. A summary of recent B → DX results from LHCb are presented, including the time-dependent B 0 → D ∓π± analysis which profits from the largest flavour tagged sample analysed by LHCb, the world’s first observation of the B + → DsKK and the world’s most precise (first) measurements of the CP asymmetry in decays..
2019 - 6 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012055 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012055

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2020-02-18
08:23
Search for exotics at NA62 / Pepe, Monica (INFN, Perugia) /NA62
Fixed target experiments are a particularly useful tool in the search of very weakly coupled particles in the MeV-GeV range, which are of interest as potential dark matter mediators. Owing to the high beam energy and a hermetic detector coverage, NA62 also has the opportunity to directly search for a variety of long-lived beyond the Standard Model particles, such as axion-like particles and dark photons. [...]
2019 - 5 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012036 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012036

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2020-02-18
08:23
Production of open charm and beauty states in pPb collisions with LHCb / Pappalardo, Luciano Libero (Ferrara U.) /LHCb
A rich set of open heavy flavour states is observed by LHCb in pPb collisions data collected at 5 and 8.16 TeV nucleon-nucleon centre-of-mass energy. Results include new measurements of production of beauty hadrons in pA collisions through cleanly reconstructed exclusive decays. [...]
2019 - 6 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012033 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012033

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2020-02-18
08:23
b hadron production, spectroscopy and properties at CMS / Argirò, Stefano (INFN, Turin ; Turin U.) /CMS
Precise measurements of production and properties of hadrons containing a b quark, performed using data collected by the CMS experiment at the LHC, are reported. These are important to investigate underlying mechanisms in QCD describing heavy quarks. [...]
2019 - 5 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012031 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012031

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2020-02-18
08:23
CMS quarkonium Production at 13 TeV / Biino, Cristina (INFN, Turin) /CMS
A wide range of studies of quarkonium production and spectroscopy are performed by the CMS experiment. The quarkonium system is interesting and can be used mainly to probe the underlying Quantum Cromo Dynamics (QCD) processes but also to tune MC generators at new energies, since heavy flavour (HF) states are background to many searches, and can be used to obtain calibration and understanding of the detectors. [...]
2019 - 6 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012030 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012030

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2020-02-18
08:22
Heavy flavour production at LHCb / Ferrari, Fabio (U. Bologna, DIFA ; INFN, Bologna) /LHCb
The LHCb experiment is able to measure the production properties of heavy hadrons in a phase-space region that is complementary with respect to those of the ATLAS and CMS experiments. These measurements provide valuable information that allows to better understand quantum chromodynamics and to discriminate among several theoretical models. [...]
2019 - 6 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012029 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012029

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2020-02-18
08:22
CP violation in B decays to charmonia at LHCb / Cavallero, Giovanni (Genoa U. ; INFN, Genoa) /LHCb
meson decays to states containing a charmonium meson are theoretically clean modes to measure the weak mixing phases ϕd and ϕs , one of the key goals of the LHCb experiment. The current status of measurements of these observables performed by the LHCb collaboration is presented. [...]
2019 - 6 p. - Published in : J. Phys. : Conf. Ser. 1137 (2019) 012024 Fulltext: PDF;
In : BEACH2018, Peniche, Portugal, 17 - 23 Jun 2018, pp.012024

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