Recent Results from ARGUS
نویسنده
چکیده
Some recent results are reported from the ARGUS experiment, operated at the e+estorage ring DORIS Il at DESY. In an updated analysis of semileptonic b u decays direct evidence for such transitions was obtained through reconstruction of a complete event. A study of the lepton energy spectra in +-+ E-UP and z+ P-I+ decays yielded a value for the Michel parameter which is in good agreement with a standard 1’ A coupling at the r-x+-U’ vertex. A parity violating asymmetry was measured in r decays into three charged pions which shows that the T neutrino has negative helicity. The Micro Vertex Drift Chamber was installed as a new hardware component of the ARGUS detector. Initial results conceming backgrounds and chamber performance are presented.
منابع مشابه
A new method for venom extraction from venomous fish, Green Scat
Scatophagus argus argus (Green Scat) is a pretty aquarium fish. Its hard spines are venomous and can cause painful injury. In this study 60 specimens of Green Scat were collected periodically from coastal waters of Boushehr (south of Iran) from May 2011 to April 2012. Anatomical features of venomous spines were investigated. Scat venom was extracted from the spines in a new manner for keeping t...
متن کاملThe occurrence of the provisional Brazilian subspecies of spiny lobster (Panulirus argus westonii) in Florida waters*
The Caribbean spiny lobster, Panulirus argus, is distributed from Brazil throughout the Caribbean and the Gulf of Mexico to approximately North Carolina and Bermuda (Holthius, 1991). It supports major commercial fi sheries in Florida, the Caribbean and Brazil. Commercially, P. argus is especially important to the state of Florida, where the spiny lobster fi shery ranks second only to shrimp in ...
متن کاملRapid variation in kidney histology in spotted scat Scatophagus argus on exposed to abrupt salinity changes
In order to study the role of the kidney in fish osmoregulation, freshwater acclimatized juvenile spottedscat (Scatophagus argus L.) were subjected to four different salinities and observed for histomorphometricchanges of the kidney at 1, 2, 10 and 15 days post transfer time points. The overall morphological changesdisplayed by fish kidney included significant decrease in the density of collect...
متن کاملar X iv : h ep - p h / 96 09 21 6 v 1 1 S ep 1 99 6 Rho primes in analyzing e + e − annihilation , MARK III , LASS and ARGUS data
The results of an analysis are presented of some recent data on the reactions
متن کاملArgus: Software for Statistical Disclosure Control of Microdata
In recent years Statistics Netherlands has developed a prototype version of a software package, ARGUS, to protect microdata files against statistical disclosure. In 1995 the present prototype version of ARGUS, namely version 1.1, has been released. In this paper both the rules, based on checking low-dimensional combinations of values of so-called identifying variables, and the techniques, globa...
متن کامل