نتایج جستجو برای: bound
تعداد نتایج: 179986 فیلتر نتایج به سال:
Recently Tezuka introduced the concept of (u, e, s)-sequences which generalizes (t, s)-sequences by Niederreiter. This generalization can be used to point out a deeper regularity of certain digital sequences, which can be exploited to obtain improvements on their discrepancy bounds. Earlier Larcher and Niederreiter introduced so-called (T , s)-sequences with similar consequences. In this paper ...
We consider a (2 + 1)-dimensional massless Dirac equation in the presence of complex vector potentials. It is shown that such vector potentials (leading to complex magnetic fields) can produce bound states, and the Dirac Hamiltonians are η-pseudo Hermitian. Some examples have been explicitly worked out.
We discuss some issues related to D(2p)-D0 branes with background magnetic fluxes respectively, in a T-dual picture, Dp-Dp branes at angles. In particular, we describe the nature of the supersymmetric bound states appearing after tachyon condensation. We present a very elementary derivation of the conditions to be satisfied by such general supersymmetric gauge configurations, which are simply r...
M. Planinic Zagreb University, P.O. Box 162 Bijenička c. 32, HR-10 004 Zagreb, Croatia (Received 11 September 1997) We have observed a clear peak below the S-production threshold in the 4HesK2, pd reaction at 600 MeVyc and uKp 4±. This is confirmation of the existence of the bound state of SHe, which was reported in the 4Hesstopped K, pd reaction. As in the case of stopped kaons, no such peak...
In this talk, I comment on the theoretical and experimental status of kaonic atoms, in particular ¯ Kπ and ¯ Kp bound states.
We analyze the existence of the exotic Θ from the perspective of instanton induced quark dynamics. The ’t Hooft interaction gives strong attraction in specific channels of the triquark uds̄ and diquark ud configurations. In particular it leads to a light uds̄ triquark cluster, with the mass around 750 MeV, in the I = 0, S = 1/2 and color 3 configuration, and a light ud-diquark configuration, with...
background: the gold standard for detection of bladder cancer is cystoscopy, which is an invasive and complicated procedure. our study was conducted to find a tumor marker with high specificity, sensitivity, and accuracy for the diagnosis of bladder cancer. methods: serum samples were collected from 58 bladder cancer patients and 60 healthy control subjects. levels of lipid-bound sialic acid (l...
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