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2019-10-16
07:36
Working Group 6 Summary: Spin and 3D Structure / Eyser, Oleg (Brookhaven) ; Parsamyan, Bakur (CERN ; INFN, Turin ; Turin U.) ; Rogers, Ted (Old Dominion U.)
The spin and 3D structure session of the DIS2019 conference focused on recentefforts to understand nucleon structure using collinear factorization theorems, transverse momentumdependent correlation functions (TMDs), generalized parton distribution (GPDs) and similar objects.A large amount of progress in both theoretical and experimental directions was reported. We summarize some of the highlights here..
SISSA, 2019 - 15 p. - Published in : PoS DIS2019 (2019) 284 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.284

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2019-10-16
07:36
Future SIDIS measurements with a transversely polarized deuteron target at COMPASS / Martin, Anna (Trieste U. ; INFN, Trieste) /Compass
Since 2005, measurements of Collins and Sivers asymmetries from the HERMES and COMPASS experiments have shown that both the transversity and the Sivers PDFs are different from zero and measurable in semi-inclusive DIS on transversely polarised targets. Most of the data were collected on proton targets, and only small event samples were collected in the early phase of the COMPASS experiment on a deuteron (6LiD) target and more recently at JLab, on 3He. [...]
SISSA, 2019 - 6 p. - Published in : PoS DIS2019 (2019) 267 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.267

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2019-10-16
07:36
Measurements of multiparton interactions at ATLAS / Adam, Lennart (Mainz U.) /ATLAS
Measurements of multiple parton scattering in proton-proton collisions provide insight into the structure and long-range low-momentum scale interactions of the proton. In this talk we present two recent measurements using proton-proton collision data collected by the ATLAS experiment. [...]
SISSA, 2019 - 6 p. - Published in : PoS DIS2019 (2019) 258 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.258

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2019-10-16
07:36
B-flavour anomalies in $b\rightarrow sll$ and $b\rightarrow cl\nu_l$ transitions at LHCb / Gioventu, Alessandra (Santiago de Compostela U.) /LHCb
In the Standard Model (SM) of particle physics, the muon and the tau particles are simply heavier copies of the electron, coupling with gauge bosons independently of their generation. This property is called Lepton Flavour Universality (LFU). [...]
SISSA, 2019 - 6 p. - Published in : PoS DIS2019 (2019) 252 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.252

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2019-10-16
07:36
Search for new physics in CP violation with beauty and charm decays at LHCb / Bartolini, Matteo (Genoa U. ; INFN, Genoa) /LHCb
LHCb is one of the four big experiments operating at LHC and it's mainly dedicatedto measurements of $C\!P$ violation and to the search for new physics in the decays ofrare hadrons containing heavy quarks. The LHCb collaboration has recently published a result which shows for the first time a compelling 5.3 $\sigma$ evidence of $C\!P$ violation in the two-body meson $D^{0}\rightarrow K^{+}K^{-}$ and $D^{0}\rightarrow \pi^{+}\pi^{-}$ decays.$C\!P$ violation in the Cabibbo-suppressed decays $D^{+}_{s} \rightarrow K^{0}_{S}\pi^{+}$, $D^{+} \rightarrow K^{0}_{S}K^{+}$, $D^{+} \rightarrow \phi \pi^{+}$ is expected to be small ($\sim10^{-3}$) due to interference between tree and penguin diagrams and thus sensible to contributions Beyond Standard Model (BSM). [...]
SISSA, 2019 - 6 p. - Published in : PoS DIS2019 (2019) 250 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.250

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2019-10-16
07:36
The SHiP experiment at CERN / Iuliano, Antonio (INFN, Naples ; Naples U.) /SHiP
Research for new physics is currently one of the main tasks of particle physics, looking for new particles having high masses (energy frontier) or very feebly interacting (intensity frontier). The SHiP experiment has been proposed in 2015 to search for hidden particles at the intensity frontier. [...]
SISSA, 2019 - 6 p. - Published in : PoS DIS2019 (2019) 246 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.246

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2019-10-16
07:36
Results from Charm baryon spectroscopy at LHCb, Belle and BESIII / Cardinale, Roberta (Genoa U. ; INFN, Genoa) /LHCb
The spectroscopy of charm baryons provides a primary tests and inputs to the effective theo- ries of the strong interaction. Many conventional $c$-baryon states have not yet been observed experimentally and properties of many of the observed states are still to be determined. [...]
SISSA, 2019 - 6 p. - Published in : PoS DIS2019 (2019) 147 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.147

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2019-10-16
07:36
Heavy flavour spectroscopy and exotic states at the LHC / Cardinale, Roberta (Genoa U. ; INFN, Genoa) /LHCb
The LHC, producing huge amount of $b\bar{b}$ and $c\bar c$ pairs, is the ideal place for spectroscopy studies which are fundamental as tests and inputs for QCD models. Many of the recently observed states, which are not fitting the standard picture, are still lacking of interpretation. [...]
SISSA, 2019 - 6 p. - Published in : PoS DIS2019 (2019) 146 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.146

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2019-10-16
07:36
Differential jet cross sections at the CMS experiment / Zlebcik, Radek (Hasylab, DESY) /CMS
We present measurements of differential jet cross sections over a wide range in transverse momenta from inclusive jets to multi-jet final states. Studies on the impact that these measurements have on the determination of the strong coupling $\alpha_S$ as well as on parton density functions are reported. [...]
SISSA, 2019 - 7 p. - Published in : PoS DIS2019 (2019) 143 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.143

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2019-10-16
07:36
Z boson production in proton-lead collisions accounting for transverse momenta of initial partons / Kutak, Krzysztof (Cracow, INP) ; Blanco, Etienne (Cracow, INP) ; Jung, Hannes (CERN ; DESY) ; Kusina, Aleksander (Cracow, INP) ; van Hameren, Andreas (Cracow, INP)
We report on a recent calculation of inclusive Z boson production in proton-lead collisions at theLHC taking into account the transverse momenta of the initial partons [1]. In the calculation the frameworkof $k_T$-factorization has been used. [...]
SISSA, 2019 - 5 p. - Published in : PoS DIS2019 (2019) 126 Fulltext: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.126

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