نتایج جستجو برای: drift chamber
تعداد نتایج: 72761 فیلتر نتایج به سال:
The AMADEUS experiment aims to perform dedicated precision studies in the sector of low-energy kaon-nuclei interaction at the DAΦNE collider at LNF-INFN. In particular, the experiment plans to perform measurements of the debated deeply bound kaonic nuclear states, to deepen our knowledge about the controversial state Λ(1405) and to measure the low energy cross section of K− on light nuclei. AMA...
The Beijing Spectrometer, BES, is a conventional cylindrical magnetic detector that is coaxial with the BEPC colliding e+e− beams. It is described in detail in Ref. [1]. A four-layer central drift chamber (CDC) surrounding the beampipe provides trigger information. Outside the CDC, the forty-layer main drift chamber (MDC) provides tracking and energy-loss (dE/dx) information on charged tracks o...
. Retractable targets of carbon fibres with nominal diameters 30, 7 and 4.5 micron have been in use at the collision point of the SLC (the SLAC Linear Collider). The target mechanism is compatible with the Mark II detector now in place at the collision point. Beam profiles are measured in horizontal and vertical axes by using magnetic dipoles to scan the beams across the fibres. Two signal dete...
The KLOE measurements of φ radiative decays and of the ratio Γ(K S → π + π − (γ))/Γ(K S → π 0 π 0) are discussed. The first measurement aims at understanding the real nature of the scalar mesons a 0 and f 0 , whose possible compositions are q ¯ q, qq ¯ q ¯ q, or K ¯ K molecule. The second measurement is related to the estimate of the phase shift difference δ 0 − δ 2. Previous measurements were ...
a total of 2519 blood samples were collected from five distinct populations of larestan, in fars province, in iran (lar, gerash, khour, latifi and berake) were examined for abo and rh blood groups. the gene frequencies obtained from these samples were compared with the hitherto reported corresponding data from other populations of fars province to determine the genetic structure of the larestan...
After the successful conclusion of the CLEO III phase, the CLEO experiment at the Cornell electron positron storage ring CESR is preparing for its transition to CLEO-c. This new program contains a wide array of Physics studies at e + e − collisions at center of mass energies between 3 GeV and 5 GeV that will provide new insights into QCD. Because the existing Silicon Vertex Detector needed to b...
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