منابع مشابه
First observation of beamstrahlung.
Collisions of electron and positron bunches at the interaction point of the SLC (the linear collider at SLAC) h ave led to the first detected emission of beam-strahlung. This radiation, caused by the collective electromagnetic fields of one beam deflecting particles of the other, is a potential tool for optimizing collisions in linear colliders. With the advent of the linear collider1 as a tool...
متن کاملFirst observation of 14 F
In an experiment conducted at the Cyclotron Institute at Texas A&M University in March-April 2009, the resonant elastic scattering of O+p was studied with the Thick Target Inverse Kinematics (TTIK) method [1] to observe states in F. F is expected to be unbound to proton decay (as are F). A rare beam of O with intensity of 5 x 10 pps was produced for the experiment in the H(N,O)2n reaction and w...
متن کاملFirst observation of electrorheological plasmas.
We report the experimental discovery of "electrorheological (ER) complex plasmas," where the control of the interparticle interaction by an externally applied electric field is due to distortion of the Debye spheres that surround microparticles (dust) in a plasma. We show that interactions in ER plasmas under weak ac fields are mathematically equivalent to those in conventional ER fluids. Micro...
متن کاملFirst observation of (anti)deuterons in DIS
First observation of (anti)deuterons in deep inelastic ep scattering (DIS) measured with the ZEUS detector at HERA is reported. The production rate of deuterons is higher than that of antideuterons. However, no asymmetry in the production rate of protons and antiprotons was found. The (anti)deuteron yield is approximately three orders of magnitude smaller than that of (anti)protons, which is co...
متن کاملXMM - Newton First Observation in the Pleiades
We present the first results from a 40 ks Guaranteed Time XMM-Newton pointing in the Pleiades. We detect almost all early–mid dM members in the field and several very low mass (VLM) stars – including the brown dwarf (BD) candidate Roque 9 – and investigate the variation of X-ray activity levels, hardness ratios and flare frequency with spectral type down to the BD regime.
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2001
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.64.092001