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A novel quantum dynamical model based on the dissipative quantum dynamics of open quantum systems is presented. It allows the treatment of both deep-inelastic processes and quantum tunneling (fusion) within a fully quantum mechanical…

Nuclear Theory · Physics 2009-11-13 Alexis Diaz-Torres , David Hinde , Mahananda Dasgupta , Gerard Milburn , Jeff Tostevin

This contribution presents a brief summary of the recent past efforts to experimentally explore the QCD phase diagram at high baryon chemical potentials through heavy-ion collisions. A few measurements are highlighted to present the current…

Nuclear Experiment · Physics 2020-12-30 J. D. Brandenburg

A dynamical coupled-channel model is presented for investigating the nucleon resonances in the meson production reactions induced by pions and photons. The model is based on an energy-independent Hamiltonian which is derived from a set of…

Nuclear Theory · Physics 2008-11-26 A. Matsuyama , T. Sato , T. -S. H. Lee

Measurements of the dynamical correlations between neutral and charged kaons in central Pb-Pb collisions at $\sqrt{s_{NN}} = 2.76$ TeV by the ALICE Collaboration display anomalous behavior relative to conventional heavy-ion collision…

High Energy Physics - Phenomenology · Physics 2024-03-19 Joseph Kapusta , Scott Pratt , Mayank Singh

Linear accelerators containing the sequence of independently phased cavities with constant geometrical velocity along each structure are widely used in practice. The chain of cavities with identical cell lengths is utilized within a certain…

Accelerator Physics · Physics 2023-02-21 Yuri K. Batygin

We present results for masses of excited baryons from a quenched calculation with Chirally Improved quarks at pion masses down to 350 MeV. Our analysis of the correlators is based on the variational method. In order to provide a large basis…

High Energy Physics - Lattice · Physics 2009-11-11 Tommy Burch , Christof Gattringer , Leonid Ya. Glozman , Christian Hagen , Dieter Hierl , C. B. Lang , Andreas Schäfer

Excited state normal modes analysis is systematically applied to investigate and compare relaxation and internal conversion dynamics of a free-base porphyrin with a novel functional porphyrin derivative. We discuss strenghts and limitation…

Chemical Physics · Physics 2023-07-11 Pavel Rukin , Deborah Prezzi , Carlo Andrea Rozzi

We have studied the meson-baryon interaction in coupled channels with the same quantum numbers of $\Xi_{bc}$. The interaction is attractive in some channels and of sufficient intensity to lead to bound states or resonances. We use a model…

High Energy Physics - Phenomenology · Physics 2019-12-02 Qi-Xin Yu , J. M. Dias , Wei-Hong Liang , E. Oset

Excited-state contamination remains one of the leading sources of systematic uncertainty in the precise determination of hadron structure observables from lattice QCD. In this letter, we present a general argument, inspired by current-meson…

High Energy Physics - Lattice · Physics 2025-08-13 Lorenzo Barca

Recent results on the study of light-quark baryons with the ANL-Osaka dynamical coupled-channels (DCC) approach are presented, which contain the N* and Delta* spectroscopy via the analysis of pi N and gamma N reactions and the Lambda* and…

Nuclear Theory · Physics 2016-09-26 Hiroyuki Kamano

We present a scheme for the generation of a high polarization positron beam with continous wave (CW) bunch structure for the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Laboratory (JLab). The positrons are created in…

Dirac coupled channel analyses are performed using optical potential model for the high-lying excited states that belong to the 2$^-$ gamma vibrational band at the 800 MeV unpolarized proton inelastic scatterings from $^{20}$Ne. The first…

Nuclear Theory · Physics 2015-06-22 Sugie Shim

We report on the latests developments in the field of baryonic resonances generated from the meson-baryon interaction in coupled channels using a chiral unitary approach. The collection of resonances found in different strangeness and…

Nuclear Theory · Physics 2007-05-23 A. Ramos , C. Bennhold , A. Hosaka , T. Hyodo , D. Jido , U. G. Meissner , J. A. Oller , E. Oset , M. J. Vicente-Vacas

Implementation and commissioning of the EPICS based control system for the ISAC radioactive beam facility was completed. The target ion source, mass separator, and low-energy beam-lines started beam production for experiments. In parallel,…

Accelerator Physics · Physics 2007-05-23 R. Keitel , D. Bishop , D. Dale , H. Hui , S. Kadantsev , M. Leross , R. Nussbaumer , J. Richards , E. Tikhomolov , G. Waters

The excited isovector meson spectrum is explored using two chirally improved dynamical quarks. Seven ensembles, with pion masses down to \approx 250 MeV are discussed and used for extrapolations to the physical point. Strange mesons are…

High Energy Physics - Lattice · Physics 2011-12-07 Georg P. Engel , C. B. Lang , Markus Limmer , Daniel Mohler , Andreas Schaefer

We study theoretically electromagnetic radiation emitted by inelastic Cooper-pair tunneling. We consider a dc-voltage-biased superconducting transmission line terminated by a Josephson junction. We show that the generated continuous-mode…

Mesoscale and Nanoscale Physics · Physics 2016-01-13 Juha Leppäkangas , Mikael Fogelström , Michael Marthaler , Göran Johansson

The interactions of $\bar{D}^{(*)} \Lambda_c - \bar{D}^{(*)}\Sigma_c^{(*)}$ are studied within the framework of a dynamical coupled-channel approach. A series of bound states and resonances with different spin and parity are dynamically…

High Energy Physics - Phenomenology · Physics 2022-06-08 Zheng-Li Wang , Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou

We review recent developments in the study of excited baryon spectroscopy in lattice QCD. After introducing the basic methods used to extract masses from correlation functions, we discuss various interpolating fields and lattice actions…

Nuclear Theory · Physics 2010-03-04 D. B. Leinweber , W. Melnitchouk , D. G. Richards , A. G. Williams , J. M. Zanotti

Dynamical coupled-channel approaches are a widely used tool in hadronic physics that allow to analyze different reactions and partial waves in a consistent way. In such approaches the basic interactions are derived within an effective…

High Energy Physics - Lattice · Physics 2015-05-30 M. Döring , J. Haidenbauer , U. -G. Meißner , A. Rusetsky

Results for the reaction gamma p --> K+ Lambda, studied within a constituent quark model and a dynamical coupled-channel approach, are presented and compared with recent data. Issues related to the search for missing baryon resonances are…

Nuclear Theory · Physics 2016-08-16 B. Juliá-Díaz , B. Saghai , F. Tabakin , W. -T. Chiang , T. -S. H. Lee , Z. Li