Results 51 to 60 of about 319,667 (299)

The width of the Roper resonance in baryon chiral perturbation theory

open access: yesPhysics Letters B, 2016
We calculate the width of the Roper resonance at next-to-leading order in a systematic expansion of baryon chiral perturbation theory with pions, nucleons, and the delta and Roper resonances as dynamical degrees of freedom.
Jambul Gegelia   +2 more
doaj   +1 more source

Implications of an increased Λ-separation energy of the hypertriton

open access: yesPhysics Letters B, 2020
Stimulated by recent indications that the binding energy of the hypertriton could be significantly larger than so far assumed, requirements of a more strongly bound HΛ3 state for the hyperon-nucleon interaction and consequences for the binding energies ...
Hoai Le   +3 more
doaj   +1 more source

Low energy hadron physics in holographic QCD [PDF]

open access: yes, 2004
We present a holographic dual of four-dimensional, large N_c QCD with massless flavors. This model is constructed by placing N_f probe D8-branes into a D4 background, where supersymmetry is completely broken.
T. Sakai, S. Sugimoto
semanticscholar   +1 more source

Hadron Interactions-Hadron Sizes [PDF]

open access: yes, 1998
Invited talk at the 14th International Workshop on Nuclear Dynamics, January 31 - February 7, 1998, Snowbird ...
openaire   +3 more sources

The Y(4230) as a D1D molecule [PDF]

open access: yesEPJ Web of Conferences
. We show that the currently available data are consistent with Y(4230) being a D1D¯ hadronic molecule. By a simultaneous fit to data from e+e− → D0D*−π+, J/ψπ+π−, J/ψK+ K−, hcπ+π−, J/ψη, χc0ω, χc1(3872)γ and µ+µ−, we demonstrate that this single state ...
von Detten Leon   +2 more
doaj   +1 more source

A comparative analysis of hadron creation in deuteron-deuteron interactions at energies of 13.5 GeV and 27.0 GeV

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics
This paper presents the results of nuclear modification factors for hadrons in deuteron-deuteron collisions at energies of √(s_NN)=13.5 GeV and √(s_NN)=27.0 GeV.
Shapaev Dmitry, Berdnikov Yaroslav
doaj   +1 more source

Phenomenology of near-threshold states: a practical parametrisation for the line shapes

open access: yesEPJ Web of Conferences, 2017
In the last decade many states in the spectrum of charmonium and bottomonium have been observed experimentally above the lowest open-flavour threshold.
Guo F.-K.   +7 more
doaj   +1 more source

Generating a resonance-like structure in the reaction $$B_c\rightarrow B_s \pi \pi $$ B c → B s π π

open access: yesEuropean Physical Journal C: Particles and Fields, 2017
We investigate the process $$B_c^+\rightarrow B_s^0\pi ^+\pi ^0$$ B c + → B s 0 π + π 0 via $$B\bar{K}^*$$ B K ¯ ∗ rescattering. The kinematic conditions for triangle singularities are perfectly satisfied in the rescattering diagrams.
Xiao-Hai Liu, Ulf-G. Meißner
doaj   +1 more source

Lattice QCD and Baryon-Baryon Interactions: HAL QCD Method

open access: yesFrontiers in Physics, 2020
In this article, we review the HAL QCD method to investigate baryon-baryon interactions, such as nuclear forces in lattice QCD. We first explain our strategy in detail to investigate baryon-baryon interactions by defining potentials in field theories ...
Sinya Aoki   +3 more
doaj   +1 more source

Charged hadron fragmentation functions from collider data [PDF]

open access: yesThe European Physical Journal C, 2018
We present NNFF1.1h, a new determination of unidentified charged-hadron fragmentation functions (FFs) and their uncertainties. Experimental measurements of transverse-momentum distributions for charged-hadron production in proton-(anti)proton collisions ...
The Nnpdf Collaboration Valerio Bertone   +4 more
semanticscholar   +1 more source

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