Results 121 to 130 of about 67,658 (207)

Probing leptophobic dark sector with a pseudoscalar portal in the NA64 experiment at CERN

open access: yesJournal of High Energy Physics
We propose the possibility of discovering a light pseudoscalar particle a, axion-like particle (ALP), interacting mainly with quarks using the electron and photon scattering reaction chain e + Z → e + γ + Z; γ + Z → a + Z on nuclei in the NA64 experiment
Sergei N. Gninenko   +5 more
doaj   +1 more source

Studying in-Medium Hadron Properties with HADES

open access: yes, 2004
HADES is a second generation experiment designed to study dielectron production in proton, pion, and heavy ion induced reactions at the GSI accelerator facility in Darmstadt. The physics programme of HADES is focused on in-medium properties of the light vector mesons.
P. Salabura   +111 more
openaire   +2 more sources

Tetraquarks at large M and large N

open access: yesJournal of High Energy Physics
We study tetraquarks in large N QCD with heavy quarks, in the domain where non-relativistic quantum mechanics offers an adequate approximation. Within the regime of validity of the Born-Oppenheimer approximation, we systematically study and explicitly ...
Héloïse Allaman   +4 more
doaj   +1 more source

Hypercentral Constituent Quark Model and Isospin for the Baryon Static Properties [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2005
So far the static properties of hadrons have been introduced in various models. The static properties of hadrons (charge radius, magnetic moment, etc.) are useful for understanding the quark structure of hadron.
doaj  

Performance of short and long bent crystals for the TWOCRYST experiment at the Large Hadron Collider. [PDF]

open access: yesEur Phys J C Part Fields
Bandiera L   +29 more
europepmc   +1 more source

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