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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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21 papers · 2 filters
Forward proton scattering in association with muon pair production via the photon fusion mechanism at the LHC
S. I. Godunov, E. K. Karkaryan, V. A. Novikov +3
Dilepton production in proton-proton collision through -fusion with one proton scattered elastically while the second produces a hadron jet is considered. Semi-analytical formu…
Status and Perspectives of Neutrino Physics
M. Sajjad Athar, Steven W. Barwick, Thomas Brunner +16
This review demonstrates the unique role of the neutrino by discussing in detail the physics of and with neutrinos. We deal with neutrino sources, neutrino oscillations, absolute m…
Discriminating the heavy jet production mechanisms in associated + heavy flavor events at the LHC
S. P. Baranov, A. Bermudez Martinez, H. Jung +3
We reconsider the associated boson and charm or beauty jet production at the LHC with paying special attention to the formation dynamics of heavy jets. Two different approaches…
Is a molecular partner of and states?
V. Baru, E. Epelbaum, A. A. Filin +2
We perform an effective-field-theory-based coupled-channel analysis of the recent BES III data on the annihilation into the final state in a…
Coupled-channel approach to including three-body effects
Meng-Lin Du, Vadim Baru, Xiang-Kun Dong +6
A coupled-channel approach is applied to the charged tetraquark state recently discovered by the LHCb Collaboration. The parameters of the interaction are fixed by a fit…
New form of kernel in equation for Nakanishi function
V. A. Karmanov
The Bethe-Salpeter amplitude is expressed, by means of the Nakanishi integral representation, via a smooth function . This function satisfies a canonical equation…
X(6200) as a compact tetraquark in the QCD string model
A. V. Nefediev
Recently the LHCb Collaboration announced the first observation of nontrivial structures in the double- mass spectrum in the mass range 6.2-7.2 GeV, and a theoretical coupled-…
Time-dependent study of decays for flavour physics measurements
P. Pakhlov, V. Popov
Nowadays High Energy Physics experiments can accumulate unprecedented statistics of heavy flavour decays that allows to apply new methods, based on the study of very rare phenomena…
Is the existence of a bound state plausible?
Xiang-Kun Dong, Vadim Baru, Feng-Kun Guo +3
In a recent measurement LHCb reported pronounced structures in the spectrum. One of the various possible explanations of those is that they emerge from non-perturbative in…
Production of heavy charged particles in proton-proton ultraperipheral collisions at the Large Hadron Collider: survival factor
S. I. Godunov, V. A. Novikov, A. N. Rozanov +2
Ultraperipheral collisions of high energy protons are a source of approximately real photons colliding with each other. Photon fusion can result in production of yet unknown charge…
Four-Loop Gauge and Three-Loop Yukawa Beta-Functions in a General Renormalizable Theory
Alexander Bednyakov, Andrey Pikelner
We present the beta functions of gauge and Yukawa couplings in general four-dimensional quantum field theory, at four and three loops, respectively. The essence of our approach is…
On measurement of photon polarization in radiative penguin decays to baryons
P. Pakhlov, T. Uglov
A measurement of the photon polarization in radiative penguin decays provides a test of the Standard Model and a probe for New Physics, that can lead to a deviation from the St…
TMDlib2 and TMDplotter: a platform for 3D hadron structure studies
N. A. Abdulov, A. Bacchetta, S. Baranov +35
A common library, TMDlib2, for Transverse-Momentum-Dependent distributions (TMDs) and unintegrated parton distributions (uPDFs) is described, which allows for easy access of common…
Performance of Monte Carlo event generators of pp collisions at NICA energies
Maxim Azarkin, Martin Kirakosyan
This paper presents an overview of Monte Carlo(MC) event generators for simulation of proton-proton collisions along with the results on hadron production at Nuclotron-based Ion Co…
Possible studies at the first stage of the NICA collider operation with polarized and unpolarized proton and deuteron beams
V. V. Abramov, A. Aleshko, V. A. Baskov +32
This paper contains suggestions for experiments with usage of the Spin Physics Detector (SPD) at the first stage of the SPD NICA Programme developing at JINR. Double polarized pp-,…
Six-loop beta functions in general scalar theory
Alexander Bednyakov, Andrey Pikelner
We consider general renormalizable scalar field theory and derive six-loop beta functions for all parameters in d = 4 dimensions within the -scheme. We do not explic…
Revisiting the nature of the pentaquarks
Meng-Lin Du, Vadim Baru, Feng-Kun Guo +4
The nature of the three narrow states, i.e., , and , is under intense discussion since their discovery from the updated analysis by LHCb. In…
LHC as a photon-photon collider: bounds on
S. I. Godunov, E. K. Karkaryan, V. A. Novikov +3
In the relatively recent CMS data, there is a hint on the existence of a resonance with the mass 28 GeV coupling to muons. Such a resonance should also couple to photons through th…
Hybrid nature of the abnormal solutions of the Bethe-Salpeter equation in the Wick-Cutkosky model
J. Carbonell, V. A. Karmanov ans H. Sazdjian
In the Wick-Cutkosky model, where two scalar massive constituents interact by means of the exchange of a scalar massless particle, the Bethe-Salpeter equation has solutions of two…
Fully Geant4 compatible package for the simulation of Dark Matter in fixed target experiments
M. Bondi, A. Celentano, R. R. Dusaev +5
We present the package for the simulation of DM (Dark Matter) particles in fixed target experiments. The most convenient way of this simulation (and the only possible way in the ca…
CASCADE3 A Monte Carlo event generator based on TMDs
S. Baranov, A. Bermudez Martinez, L. I. Estevez Banos +12
The CASCADE3 Monte Carlo event generator based on Transverse Momentum Dependent (TMD) parton densities is described. Hard processes which are generated in collinear factorization w…