Contributions to a conference proceedings

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2020-05-14
11:02
OpenAccess [PUBDB-2020-01845] Report/Contribution to a conference proceedings
et al
Higgs Boson Pair Production at Colliders: Status and Perspectives
[FERMILAB-CONF-19-468-E-T; LHCXSWG-2019-005; arXiv:1910.00012]
Double Higgs Production at Colliders, BataviaBatavia, United States, 4 Sep 2018 - 9 Sep 20192018-09-042019-09-09 279 pp. () [10.3204/PUBDB-2020-01845]  GO
This document summarises the current theoretical and experimental status of the di-Higgs boson production searches, and of the direct and indirect constraints on the Higgs boson self-coupling, with the wish to serve as a useful guide for the next years. The document discusses the theoretical status, including state-of-the-art predictions for di-Higgs cross sections, developments on the effective field theory approach, and studies on specific new physics scenarios that can show up in the di-Higgs final state. [...]
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2020-05-05
11:11
OpenAccess [PUBDB-2020-01731] Report/Contribution to a conference proceedings/Contribution to a book

A refined machinery to calculate large moments from coupled systems of linear differential equations
[DESY 19-225; DESY-19-225; DO-TH 19/13; SAGEX--19-35; arXiv:1912.04390]
Proceedings of 14th International Symposium on Radiative Corrections — PoS(RADCOR2019) - Sissa Medialab Trieste, Italy, 2019. - ISBN - doi:10.22323/1.375.0078
14th International Symposium on Radiative Corrections, RADCOR 2019, AvignonAvignon, France, 8 Sep 2019 - 13 Sep 20192019-09-082019-09-13
Sissa Medialab Trieste, Italy 13 pp. () [10.22323/1.375.0078]  GO
The large moment method can be used to compute a large number of moments of physical quantities that are described by coupled systems of linear differential equations. Besides these systems the algorithm requires a certain number of initial values as input, that are often hard to derive in a preprocessing step. [...]
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2020-04-27
13:40
OpenAccess [PUBDB-2020-01607] Journal Article/Report/Contribution to a conference proceedings

Overview of recent HERMES results
[HERMES-19-002]
XVIII Workshop on High Energy Spin Physics, DSPIN-19, DubnaDubna, Russia, 2 Sep 2019 - 6 Sep 20192019-09-022019-09-06 Journal of physics / Conference series Conference series [...] 1435(1), 012041 - () [10.1088/1742-6596/1435/1/012041]  GO
The HERMES experiment has collected a wealth of data using the 27.6 GeV polarized HERA lepton beam and various polarized and unpolarized gaseous targets. This allows for a series of unique measurements of observables sensitive to the multidimensional (spin) structure of the nucleon, in particular semi-inclusive deep-inelastic scattering (SIDIS) measurements.In this contribution, transverse single-spin asymmetry, longitudinal single- and double-spin asymmetries in SIDIS will be presented. [...]
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2020-04-02
11:29
OpenAccess [PUBDB-2020-01345] Report/Contribution to a conference proceedings

Higgs physics beyond the Standard Model
[DESY-19-150]
An Alpine LHC Physics Summit, ALPS2019, ObergurglObergurgl, Austria, 22 Apr 2019 - 27 Apr 20192019-04-222019-04-27 8 pp. () [10.3204/PUBDB-2020-01345]  GO
We give a brief review of beyond-the-Standard Model (BSM) extensions of the Standard Model (SM) Higgs sector. Going from very simple to more complicated models, our survey includes models with additional scalar singlet fields, the Two Higgs Doublet Model (2HDM) and the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM). [...]
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2020-03-17
11:41
OpenAccess [PUBDB-2020-01079] Report/Contribution to a conference proceedings/Contribution to a book
et al
Heavy quark form factors at three loops
[DESY-19-219]
Proceedings of 14th International Symposium on Radiative Corrections — PoS(RADCOR2019) - Sissa Medialab Trieste, Italy, 2019. - ISBN - doi:10.22323/1.375.0013
14th International Symposium on Radiative Corrections, Palais des PapesPalais des Papes, Avignon, 9 Sep 2019 - 13 Sep 20192019-09-092019-09-13
Sissa Medialab Trieste, Italy PoS(RADCOR2019)013 () [10.22323/1.375.0013]  GO
We present results for the heavy-fermionic corrections to the non-singlet heavy-quark form factors at three-loop order recently obtained..
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2020-03-04
17:50
[PUBDB-2020-00962] Journal Article/Contribution to a conference proceedings
et al
The Percival 2-Megapixel monolithic active pixel imager
20th International Workshop On Radiation Imaging Detectors, SundsvallSundsvall, Sweden, 24 Jun 2018 - 28 Jun 20182018-06-242018-06-28 Journal of Instrumentation 14(01), C01006 - C01006 () [10.1088/1748-0221/14/01/C01006]  GO
The peak brilliance reached by today's Free-Electron Laser and Synchrotron light sources requires photon detectors matching their output intensity and other characteristics in order to fully realize the sources' potential. The Pixellated Energy Resolving CMOS Imager, Versatile And Large (Percival) is a dedicated soft X-ray imager (0.25–1 keV) developed for this purpose by a collaboration of DESY, Rutherford Appleton Laboratory/STFC, Elettra Sincrotrone Trieste, Diamond Light Source, and Pohang Accelerator Laboratory. [...]
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2020-03-03
11:30
DBCoverage [PUBDB-2020-00933] Journal Article/Contribution to a conference proceedings/Contribution to a book

On the sources of high energy neutrinos
Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019) - Sissa Medialab Trieste, Italy, 2019. - ISBN - doi:10.22323/1.357.0058
The New Era of Multi-Messenger Astrophysics, Asterics2019, GroningenGroningen, The Netherlands, 25 Mar 2019 - 29 Mar 20192019-03-252019-03-29
Proceedings of Science / International School for Advanced Studies 357, 058 () [10.22323/1.357.0058]  GO
The discovery of a diffuse flux of high energy neutrinos has opened a new era in the field of neutrino astronomy. Up to now only one high energy neutrino has an identified astrophysical counterpart, the blazar TXS 0506+056. [...]
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2020-02-20
15:59
[PUBDB-2020-00810] Journal Article/Contribution to a conference proceedings

HERMES Results on the 3D Imaging of the Nucleon
Theory and Experiment for Hadrons on the Light-Front, Light Cone 2015, FrascatiFrascati, Italy, 21 Sep 2015 - 25 Sep 20152015-09-212015-09-25 Few-body systems 57(7), 585 - 591 () [10.1007/s00601-016-1045-9]  GO
In the last decades, a formalism of transverse momentum dependent parton distribution functions (TMDs) and of generalised parton distributions (GPDs) has been developed in the context of non-perturbative QCD, opening the way for a tomographic imaging of the nucleon structure. TMDs and GPDs provide complementary three-dimensional descriptions of the nucleon structure in terms of parton densities. [...]
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2020-02-18
11:28
OpenAccess [PUBDB-2020-00768] Report/Contribution to a conference proceedings

The '96 GeV excess'' at the ILC
[DESY-20-019; IFT-UAM/CSIC-20-021]
International Workshop on Future Linear Colliders, LCWS2019, SendaiSendai, Japan, 28 Oct 2019 - 1 Nov 20192019-10-282019-11-01 1-7 () [10.3204/PUBDB-2020-00768]  GO
The CMS collaboration reported an intriguing \sim 3 sigma (local) excess at 96 GeV in the light Higgs-boson search in the diphoton decay mode. This mass coincides with a \sim 2 sigma (local) excess in the bb final state at LEP. [...]
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2020-02-13
13:58
OpenAccess [PUBDB-2020-00720] Report/Contribution to a conference proceedings
et al
TMD parton distributions from parton showers
[arXiv:1907.09441]
27th International Workshop on Deep Inelastic Scattering and Related Subjects, DIS2019, TorinoTorino, Italy, 8 Apr 2019 - 12 Apr 20192019-04-082019-04-12 134 pp. () [10.22323/1.352.0134]  GO
We present the determination of Transverse Momentum Dependent (TMD) parton distributions from Monte Carlo parton showers. We investigate the effective TMD distributions obtained from the PYTHIA8 and HERWIG6 parton showers and compare them to the TMD distributions determined within the Parton Branching method..
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