Abstract:The concept of charge is developed relativistically by assuming that there is a linear relation between point charge (e) and point mass (m) of the type: [Formula: see text] where ζ is a scalar parameter which is unchanged in all reference frames. The theory shows that charge, in a relativistic development based on this hypothesis, depends in general on the velocity of the particle carrying the charge, and the latter vanishes at the speed of light. The hypothesis (1) also implies that charge depends on the scal… Show more
We argue that recently reported light and narrow uudds pentaquark state requires modification of a naive quark model. On the other hand such a state is naturally accommodated in chiral soliton models. We briefly describe the logic behind such models and underline differences between Skyrme model and chiral quark soliton models. We discuss phenomenological and theoretical consequences of Θ + . Finally we comment on recent experimental reports from CLAS, LEPS and SVD-2.
We argue that recently reported light and narrow uudds pentaquark state requires modification of a naive quark model. On the other hand such a state is naturally accommodated in chiral soliton models. We briefly describe the logic behind such models and underline differences between Skyrme model and chiral quark soliton models. We discuss phenomenological and theoretical consequences of Θ + . Finally we comment on recent experimental reports from CLAS, LEPS and SVD-2.
“…With unpolarized incident beams the production is insensitive to the helicity structure of the Yukawa couplings. The present analysis 5 investigates H ±± decays into ee, eµ and eτ pairs using the unpolarized HERA I data. Searches in the ee and eµ channels are based on published analyses 2,3 .…”
Section: Search For Doubly-charged Higgsmentioning
“…A new measurement of jet production using HERA I data has been recently published [20]. The inclusive jet cross section is measured in DIS with a Q 2 > 100 GeV 2 .…”
Section: Jet Production At High Q 2 and Determination Of α Smentioning
Recent results obtained by the H1 experiment at HERA are presented: searches for new physics using the full luminosity accumulated at high energy, measurements of the proton structure at low and high Q 2 and studies of hadronic final states.
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