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Within an effective Lagrangian model, we present calculations for cross sections of the dilepton production in proton-proton and proton-neutron collisions at laboratory kinetic energies in 1-5 GeV range. Production amplitudes include…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Shyam , U. Mosel

Atmospheric neutrinos play a vital role in generating irreducible backgrounds in liquid-scintillator (LS) detectors via their neutral-current (NC) interactions with $^{12}$C nuclei. These interactions may affect a wide range of research…

High Energy Physics - Phenomenology · Physics 2025-03-17 Jie Cheng , Min Li , Yu-Feng Li , Gao-Song Li , Hao-Qi Lu , Liang-Jian Wen

We present a model for neutrino-nucleus scattering in the energy region relevant for present and forthcoming neutrino-oscillation experiments. The model is based on the RPA treatment of the nuclear responses in the quasi-elastic and…

Nuclear Theory · Physics 2014-05-16 M. Martini , G. Chanfray , M. Ericson , J. Marteau

The photoproduction of $\gamma p \to K^+ \Sigma^0(1385)$ is investigated based on an effective Lagrangian approach using the tree-level Born approximation, with the purpose of understanding the reaction mechanisms and resonance contents and…

High Energy Physics - Phenomenology · Physics 2020-04-22 Ai-Chao Wang , Wen-Ling Wang , Fei Huang

We develop a relativistic model for incoherent eta-photoproduction on nuclei. The elementary process is described using an effective Lagrangian containing photons, nucleons, the S11(1535) and D13(1520) nucleon resonances, and rho, omega,…

Nuclear Theory · Physics 2008-11-26 I. R. Blokland , H. S. Sherif

The data on differential cross sections and photon-beam asymmetries for the $\gamma p \to K^+\Lambda(1520)$ reaction have been analyzed within a tree-level effective Lagrangian approach. In addition to the $t$-channel $K$ and $K^\ast$…

High Energy Physics - Phenomenology · Physics 2021-02-12 Neng-Chang Wei , Yu Zhang , Fei Huang , De-Min Li

The methodology and preliminary results for the search of single photons initiated by Neutral Current neutrino interactions with the ND280 detector at the T2K experiment are presented. This measurement aims to set the first limit on…

High Energy Physics - Experiment · Physics 2019-08-21 Pierre Lasorak

Using a chiral unitary approach for meson-baryon scattering in the strangeness zero sector, where the $N^*(1535)$ resonance is dynamically generated, we study the reactions $\gamma p \to \pi^0 \eta p$ and $\gamma p \to \pi^0 K^0 \Sigma^+$…

Nuclear Theory · Physics 2009-11-11 M. Doring , E. Oset , D. Strottman

Coherent pi0 photo- and electroproduction on 4He and 12C nuclei is investigated in the framework of a distorted wave impulse approximation in momentum space. The elementary process is described by the recently developed unitary isobar…

Nuclear Theory · Physics 2011-07-19 D. Drechsel , L. Tiator , S. S. Kamalov , Shin Nan Yang

The nuclear response functions for high energy electron scattering were calculated in the wide region of excitation energy. The three typical regions were studied: the quasi-elastic region, the $\Delta$-excitation region and the…

Nuclear Theory · Physics 2009-10-30 Valeriya Gadiyak , Vladimir Dmitriev

We discuss as accurately as possible the cross section of quasi-elastic scattering of electron (anti-)neutrinos on nucleons, also known as inverse beta decay in the case of antineutrinos. We focus on the moderate energy range from a few MeV…

High Energy Physics - Phenomenology · Physics 2022-08-24 Giulia Ricciardi , Natascia Vignaroli , Francesco Vissani

In the presence of Non-Standard neutral current Interactions (NSI) a new solution to solar neutrino anomaly with $\cos 2\theta_{12}<0$ appears. We investigate how this solution can be tested by upcoming intermediate baseline reactor…

High Energy Physics - Phenomenology · Physics 2015-06-19 Pouya Bakhti , Yasaman Farzan

Proposed medium-baseline reactor neutrino experiments offer unprecedented opportunities to probe, at the same time, the mass-mixing parameters which govern $\nu_e$ oscillations both at short wavelength (delta m^2 and theta_{12}) and at long…

High Energy Physics - Phenomenology · Physics 2014-01-15 F. Capozzi , E. Lisi , A. Marrone

We investigate kaon photoproduction off the neutron target, i.e., $\gamma n \to K^0 \Lambda$, focusing on the role of nucleon resonances given in the Review of Particle Data Group in the range of $\sqrt{s} \approx 1600 - 2200$ MeV. We…

High Energy Physics - Phenomenology · Physics 2018-10-17 Sang-Ho Kim , Hyun-Chul Kim

We present a microscopic model for coherent pion production off nuclei induced by neutrinos. This model is built upon a model for single nucleon processes that goes beyond the usual Delta dominance by including non resonant background…

Nuclear Theory · Physics 2010-01-15 M. Valverde , J. E. Amaro , E. Hernandez , J. Nieves

We present the current status of the research activities of the Ghent group on neutrino-nucleus interactions. These consist in the modeling of some of the relevant neutrino-nucleus reaction channels at intermediate energies: low-energy…

We show the prospects of probing neutral-current non-standard interaction (NSI) in the propagation of atmospheric neutrinos in future large-volume neutrino experiments including DUNE, HK, KNO, and ORCA. For DUNE, we utilize its ability of…

High Energy Physics - Phenomenology · Physics 2023-01-04 Pouya Bakhti , Meshkat Rajaee , Seodong Shin

We discuss some differences and similarities between electron and neutrino scattering off atomic nuclei. We find that, in the giant resonance region, the two processes excite different nuclear modes, therefore the weak and the…

Nuclear Theory · Physics 2009-11-10 A. Botrugno , G. Co'

The decays of $N^*$ and $\Delta^*$ resonances into $N\rho$, $\Delta\pi$ and $N\sigma$ final states are studied in a coupled-channel analysis of data on pion- and photo-induced reactions. Improvements in the fit were observed when new…

Non-standard neutrino-nucleon interaction is formulated and explored within the energy range of quasi-elastic scattering. In particular, the study focuses on the neutral-current elastic (anti)neutrino scattering off nucleons described by…

High Energy Physics - Phenomenology · Physics 2016-12-28 D. K. Papoulias , T. S. Kosmas