نتایج جستجو برای: lambda baryon
تعداد نتایج: 35308 فیلتر نتایج به سال:
inthis paper, the main aim is to introduce the class $mathcal{u}_p(lambda,alpha,beta,k_0)$ of $p$-harmonic mappings togetherwith its subclasses $mathcal{u}_p(lambda,alpha,beta,k_0)capmathcal {t}_p$ and $mathcal{u}_p(lambda,alpha,beta,k_0)capmathcal {t}_p^0$, andinvestigate the properties of the mappings in these classes. first,we give a sufficient condition for mappings to be in $mathcal{u}_p(l...
J. P. Alexander, C. Bebek, B. E. Berger, K. Berkelman, K. Bloom, T. E. Browder,* D. G. Cassel, H. A. Cho, D. M. Coffman, D. S. Crowcroft, M. Dickson, P. S. Drell, D. J. Dumas, R. Ehrlich, R. Elia, P. Gaidarev, M. Garcia-Sciveres, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, S. Henderson, C. D. Jones, S. L. Jones, J. Kandaswamy, N. Katayama, P. C. Kim, D. L. Kreinick, T. Lee, Y. Liu,...
The production cross section of prompt $\mathrm{\Lambda_{c}^{+}}$ charm baryons was measured with the ALICE detector at LHC midrapidity in proton-proton (pp) and proton-lead (p-Pb) collisions a centre-of-mass energy per nucleon pair $\sqrt{s_\mathrm{NN}} = 5.02$ TeV. $\rm {\overline{\Lambda}{}_c^-}$ were reconstructed hadronic decay channels \Lambda_{c}^{+} \rightarrow p K^{-}\pi^{+}$ \Lambda_{...
The plane-of-satellites problem is one of the most severe small-scale challenges for standard $\Lambda$CDM cosmological model: several dwarf galaxies around Milky Way and Andromeda co-orbit in thin, planar structures. A similar case has been identified nearby elliptical galaxy Centaurus (Cen A). In this Letter, we study satellite system Cen adding twelve new with line-of-sight velocities from V...
In this paper, we study a class of boundary value problem involving the p-Laplacian oprator and singular nonlinearities. We analyze the existence a critical parameter $lambda^{ast}$ such that the problem has least one solution for $lambdain(0,lambda^{ast})$ and no solution for $lambda>lambda^{ast}.$ We find lower bounds of critical parameter $lambda^{ast}$. We use the method ...
We carry out a multi-probe self-consistency test of the flat $\Lambda$CDM model with aim exploring potential causes reported tensions between high- and low-redshift cosmological observations. divide into two theory regimes determined by smooth background (geometry) evolution matter density fluctuations (growth), each governed an independent set Lambda Cold Dark Matter ($\Lambda$CDM) parameters....
Successful leptogenesis within the simplest type I supersymmetric seesaw mechanism requires the lightest of the three right-handed neutrino supermultiplets to be heavier than approximately 10(9) GeV. Thermal production of such (s)neutrinos requires very high reheating temperatures which result in an overproduction of gravitinos with catastrophic consequences for the evolution of the Universe. I...
We study the ${\mathrm{\ensuremath{\Xi}}}_{b}(6100)$ using methods of QCD sum rules and light-cone within framework heavy quark effective theory. Our results suggest that can be well interpreted as $P$-wave bottom baryon ${J}^{P}=3/{2}^{\ensuremath{-}}$, belonging to $SU(3)$ flavor ${\overline{\mathbf{3}}}_{F}$ representation. It has a partner state ${J}^{P}=1/{2}^{\ensuremath{-}}$, labeled ${\...
We study the fit of cosmological models with two additional free parameters $N_\mathrm{eff}$ and $\xi_e$ in addition to $\Lambda$CDM. introduce extra radiation components such as hot axions or sterile neutrinos energy density large neutrino degeneracy. Then, a larger is allowed without spoiling Big Bang Nucleosynthesis (BBN), positive degeneracy could improve BBN fit. By analysing data from Pla...
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