Zobrazeno 1 - 10
of 1 312
pro vyhledávání: '"Tomasi-Gustafsson"'
Autor:
Tomasi-Gustafsson Egle, Pacetti Simone
Publikováno v:
EPJ Web of Conferences, Vol 292, p 03001 (2024)
Two main findings on electromagnetic hadron form factors focussed a large interest of the hadron physics community in the recent years. One is the decrease of the electric to magnetic form factor ratio when the momentum transfer in electron proton el
Externí odkaz:
https://doaj.org/article/b134ed5bd3824b8f89f1b9fb8d9c1a98
Publikováno v:
EPJ Web of Conferences, Vol 292, p 03003 (2024)
The recent measurement of the modulus and phase of the ratio GΛE/GΛM, between the electric and the magnetic Λ form factors, performed by the BESIII experiment, offers the unique possibility of exploring for the first time ever the complex structur
Externí odkaz:
https://doaj.org/article/f931c118859e4fbe9eb584b84ef8547b
Autor:
Patry, Loic, Morel, Pierre, Tomasi-Gustafsson, Egle, Kalnay, Eugenia, Rivas, Jorge, Mote, Safa
We study the effect of random perturbations in the Human and Nature Dynamics (HANDY) model. HANDY models the interactions between human population, depletion, and consumption of natural resources. HANDY explains how endogenous human--nature interacti
Externí odkaz:
http://arxiv.org/abs/2407.14860
Publikováno v:
Eur. Phys. J. A 60, 144 (2024)
We present an analysis of the recent near threshold BESIII data for the nucleon time-like effective form factors. The damped oscillation emerging from the subtraction of the dipole formula is treated in non-perturbative-QCD, making use of the light c
Externí odkaz:
http://arxiv.org/abs/2403.02916
The nonresonant mechanism in the reactions $e^+\,e^-\to \pi^-\,p\,\bar{n}$ and $e^+\,e^-\to \pi^+\,n\,\bar{p}$ is investigated in frame of the one-photon exchange approximation. The description of the hadronic phase space and the invariant amplitude
Externí odkaz:
http://arxiv.org/abs/2312.03578
The differential cross section and polarization observables for the elastic reaction induced by deuteron scattering off electrons at rest are calculated in the one-photon-exchange (Born) approximation. Specific attention is given to the kinematical c
Externí odkaz:
http://arxiv.org/abs/2311.01102
Autor:
Afanasev, Andrei, Bernauer, Jan C., Blunden, Peter, Blümlein, Johannes, Cline, Ethan W., Friedrich, Jan M., Hagelstein, Franziska, Husek, Tomáš, Kohl, Michael, Myhrer, Fred, Paz, Gil, Schadmand, Susan, Schmidt, Axel, Sharkovska, Vladyslava, Signer, Adrian, Tomalak, Oleksandr, Tomasi-Gustafsson, Egle, Ulrich, Yannick, Vanderhaeghen, Marc
Radiative corrections are crucial for modern high-precision physics experiments, and are an area of active research in the experimental and theoretical community. Here we provide an overview of the state of the field of radiative corrections with a f
Externí odkaz:
http://arxiv.org/abs/2306.14578
Autor:
Tomasi-Gustafsson Egle, Bytev Vladimir
Publikováno v:
EPJ Web of Conferences, Vol 204, p 01009 (2019)
Recent data on the cross section ratio for electron and positron elastic scattering on protons are discussed. A deviation from unity of this ratio constitutes a model independent signature of charge-odd contributions that arise from mechanisms beyond
Externí odkaz:
https://doaj.org/article/694d8ec3db7c4e1cbf884339afd23046
The dependence of the nucleon polarization in the reaction $e^+ + e^- \to N + \bar{N} +\pi^0 $ over different invariant variables in frame of the non-resonant mechanism, has been derived. The nucleon polarization is expressed in terms of six invarian
Externí odkaz:
http://arxiv.org/abs/2211.06656
Publikováno v:
Open Physics, Vol 6, Iss 3, Pp 491-497 (2008)
Externí odkaz:
https://doaj.org/article/e7cc50d45c394439bda1ba51ac5e4bd7