English
Related papers

Related papers: Status of the N* Program at Jefferson Lab

200 papers

This report provides the results of an extensive and important study of the potential for a U.S. scientific program that will extend our knowledge of neutrino oscillations well beyond what can be anticipated from ongoing and planned…

The electromagnetic properties of neutrinos have attracted considerable attention from researchers for many decades (see [1] for a review). However, until recently, there was no indication in favour of nonzero electromagnetic properties of…

High Energy Physics - Phenomenology · Physics 2021-02-11 Alexander Studenikin

Recent precision spin structure data from Jefferson Lab have significantly advanced our knowledge of nucleon structure in the valence quark (high-$x$) region and improved our understanding of higher-twist effects, spin sum rules and…

Nuclear Experiment · Physics 2007-05-23 Jian-ping Chen

Studying the structure of excited nucleon states employing the electroproduction of exclusive reactions is an important avenue for exploring the nature of the non-perturbative strong interaction. The electrocouplings of $N^*$ states in the…

Nuclear Experiment · Physics 2019-08-13 Daniel S. Carman

In this review we discuss the current status of research in nuclear physics which is being carried out in different centers in the World. For this purpose we supply a short account of the development in the area which evolved over the last…

Nuclear Theory · Physics 2017-03-22 C. A. Bertulani , M. S. Hussein

The first systematic study of 1p-shell and medium-heavy hypernuclei by electroproduction of strangeness has started at Jefferson Laboratory with the experiments E89-009, E94-107, E01-011, E05-115. The main results obtained in Hall A and…

Studies of the nucleon resonance electroexcitation amplitudes in a wide range of photon virtualities offer unique information on many facets of strong QCD behind the generation of all prominent excited nucleon states. Advances in the…

Nuclear Experiment · Physics 2022-10-19 Victor I. Mokeev

We review the current state of photon and dilepton measurements at RHIC, emphasizing that of the theoretical work seeking to interpret them. We highlight the progress made recently in the modelling of relativistic nuclear collisions, and…

High Energy Physics - Phenomenology · Physics 2012-10-25 Charles Gale

A review of data on the nucleon electromagnetic form factors in the space-like region is presented. Recent results from experiments using polarized beams and polarized targets or nucleon recoil polarimeters have yielded a significant…

High Energy Physics - Experiment · Physics 2010-11-03 Kees de Jager

The present thesis aims to be an analysis of various aspects of neutrino phenomenology in two different scenarios. On the one hand, we address the study of non-standard neutrino interactions (NSI) in accelerator and reactor terrestrial…

High Energy Physics - Phenomenology · Physics 2009-12-11 Andreu Esteban-Pretel

An overview of the GW SAID and ITEP groups effort to analyze pion photoproduction on the neutron-target will be given. The disentanglement the isoscalar and isovector EM couplings of N* and Delta* resonances does require compatible data on…

Future experiments at the Jefferson Lab 12 GeV upgrade, in particular, the Solenoidal Large Intensity Device (SoLID), aim at a very precise data set in the region where the partonic structure of the nucleon is dominated by the valence…

High Energy Physics - Phenomenology · Physics 2017-04-07 Zhihong Ye , Nobuo Sato , Kalyan Allada , Tianbo Liu , Jian-Ping Chen , Haiyan Gao , Zhong-Bo Kang , Alexei Prokudin , Peng Sun , Feng Yuan

Compton scattering offers in principle an intriguing new window on nucleon structure. Existing experiments and future programs are discussed and the state of theoretical understanding of such measurements is explored.

High Energy Physics - Phenomenology · Physics 2009-10-30 Barry R. Holstein

Baryons are complex systems of confined quarks and gluons and exhibit the characteristic spectra of excited states. The systematics of the baryon excitation spectrum is important to our understanding of the effective degrees of freedom…

Nuclear Experiment · Physics 2019-08-13 Volker Crede

Electron-impact vi->vf vibrational excitations cross sections, involving rovibrationally excited N_{2}(v_{i}, J) and NO(v_{i}, J) molecules (fixed J), are calculated for collisions occurring through the nitrogen resonant electronic state…

Plasma Physics · Physics 2016-09-30 V. Laporta , R. Celiberto , J. M. Wadehra

We present the recent data issued from the Halls A and B of Jefferson Laboratory for the Deep Virtual Compton Scattering Process on the proton. An important set of data for beam spin asymmetries, unpolarized cross sections and differences…

High Energy Physics - Phenomenology · Physics 2008-12-18 M. Guidal

This paper discusses a selected part of the experimental program dedicated to the study of Generalized Parton Distributions, a recently introduced concept which provides a comprehensive framework for investigations of the partonic structure…

Nuclear Experiment · Physics 2007-05-23 E. Voutier

A semiclassical model is employed to study the effects of rescattering on (e,e'p) cross sections. We consider a two-step process with the propagation of an intermediate nucleon and use Glauber theory to account for the effects of N--N…

Nuclear Theory · Physics 2010-12-15 C. Barbieri , L. Lapikás , D. Rohe

Recent progress on the extraction of electromagnetic properties of nucleon resonance excitation through pion photo- and electroproduction is reviewed. Cross section data measured at MAMI, ELSA, and CEBAF are analyzed and compared to the…

Nuclear Theory · Physics 2015-05-30 L. Tiator , D. Drechsel , S. S. Kamalov , M. Vanderhaeghen

Discovery of the J Particle at Brookhaven National Laboratory and the Physics of Electrons and Positrons; The Standard Model Yesterday, Today and Tomorrow; The Rise of Gauge Theories: From Many Models to One Theory; From Charm to CP…

High Energy Physics - Phenomenology · Physics 2025-07-22 S. Ting , H. Georgi , J. Iliopoulos , L. Maiani , A. De Rujula , L. Di Lella , S. Myers , F. Marion , M. Pierini , G. Martinelli , R. Barbieri , G. Battimelli , L. Bonolis , M. Greco , G. Parisi