نتایج جستجو برای: boson system
تعداد نتایج: 2244675 فیلتر نتایج به سال:
The production of W or Z bosons in association with two jets is an important background to the Higgs boson search in vector-boson fusion at the LHC. The purely electroweak component of this background is dominated by vector-boson fusion, which exhibits kinematic distributions very similar to the Higgs boson signal. We consider the next-to-leading order QCD corrections to the electroweak product...
The present note revised the preceding article discussing new discovery of a new planetoid in the solar system. Some recent discoveries have been included, and its implications in the context of quantization of celestial system are discussed, in particular from the viewpoint of superfluid dynamics. In effect, it seems that there are reasons to argue in favor of gravitation-related phenomena fro...
Higgs boson mass sum rules of supersymmetric models offer attractive targets for precision tests at future muon colliders. These sum rules involve the gauge boson masses as well as the masses of the Higgs boson states which can be precisely measured in the s-channel production process at a muon collider. These measurements can sensitively probe radiative corrections to the Higgs boson masses as...
In this paper, we discuss the angular momentum distribution in the ground states of many-body systems interacting via a two-body random ensemble. Beginning with a few simple examples, a simple approach to predict P (I)'s, angular momenta I ground state (g.s.) probabilities, of a few solvable cases, such as fermions in a small single-j shell and d boson systems, is given. This method is generali...
Search for Higgs boson pair production in the b ¯ bb ¯ b final state from pp collisions at √ s = 8 TeVwith the ATLAS detector Abstract A search for Higgs boson pair production pp → hh is performed with 19.5 fb −1 of proton–proton collision data at √ s = 8 TeV, which were recorded by the ATLAS detector at the Large Hadron Collider in 2012. The decay products of each Higgs boson are reconstructed...
The search for the Higgs boson is one of the primary objectives of present and future colliders. Once the Higgs boson has been discovered, it will be important to measure its couplings to fermions and to gauge bosons. These couplings are completely determined in the Standard Model and the process ee ! tth provides a direct mechanism for measuring the tth Yukawa coupling. Since this coupling can...
From the Bethe-Salpeter equation to non-relativistic approaches with effective two-body interactions
It is known that binding energies calculated from the Bethe-Salpeter equation in ladder approximation can be reasonably well accounted for by an energy-dependent interaction, at least for the lowest states. It is also known that none of these approaches gives results close to what is obtained by using the same interaction in the so-called instantaneous approximation, which is often employed in ...
This study investigates the potential of a photon collider for measuring the two photon partial width times the branching ratio of a light Higgs boson. The analysis is based on the reconstruction of the Higgs events produced in the γγ →h process, followed by Higgs decay into a bb̄ pair. A statistical error of the measurement of the two-photon width times the bb̄ branching ratio of the Higgs boson...
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