نتایج جستجو برای: hadron spin
تعداد نتایج: 139144 فیلتر نتایج به سال:
We propose a new way of studying the spin content hadron by looking at its response in rotating frame. By collecting all responses quarks and gluons frame, we describe spin-rotation coupling spin-1 quarkonia thereby reveal their contents relativistic formalism. demonstrate that both perturbative non-perturbative contributions operator product expansion follow universal formula identifies with u...
Direct consequences on kaon production of the picture proposed in a recent Letter and subsequent publications are discussed. Further evidence supporting the proposed picture is obtained. Comparison with the data for the inclusive cross sections in unpolarized reactions is made. Quantitative results for the left-right asymmetry in single-spin processes are presented.
We study the QCD sources of systematic uncertainties in the experimental extraction of the W cross section at hadron colliders. The uncertainties appear in the evaluation of the detector acceptances used to convert the number of observed events into a total production cross section. We consider the effect of NLO corrections, as well as of the inclusion of parton showers, and evaluate the impact...
Recent measurements of top quark properties using tt̄ events produced in proton-proton collisions at the Large Hadron Collider with centre of mass energies of 7 and 8 TeV and detected by the ATLAS and CMS experiments are presented. These results include top quark mass, the top and anti-top mass difference, top pole mass from the cross section measurement, the charge asymmetry, spin correlation, ...
In multiscale and topcolor-assisted models of walking technicolor, relatively light spin-one technihadrons ρT and ωT exist and are expected to decay as ρT → WπT , ZπT and ωT → γπT . For MρT ≃ 200GeV and MπT ≃ 100GeV, these processes have cross sections in the picobarn range in p̄p colisions at the Tevatron and about 10 times larger at the Large Hadron Collider. We demonstrate their detectability...
Studies of the spin and parity quantum numbers of the Higgs boson in the WW ∗→ eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb−1 at a centre-ofmass energy of √ s = 8 TeV. The Standard Model spinparity JCP = 0++ hypothesis is compared with alternative hypothese...
Studies of the spin and parity quantum numbers of the Higgs boson in the WW ∗→ eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb−1 at a centre-ofmass energy of √ s = 8 TeV. The Standard Model spinparity JCP = 0++ hypothesis is compared with alternative hypothese...
Studies of the spin and parity quantum numbers of the Higgs boson in the WW ∗→ eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb−1 at a centre-ofmass energy of √ s = 8 TeV. The Standard Model spinparity JCP = 0++ hypothesis is compared with alternative hypothese...
Studies of the spin and parity quantum numbers of the Higgs boson in the WW ∗→ eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb−1 at a centre-ofmass energy of √ s = 8 TeV. The Standard Model spinparity JCP = 0++ hypothesis is compared with alternative hypothese...
Studies of the spin and parity quantum numbers of the Higgs boson in the WW ∗→ eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb−1 at a centre-ofmass energy of √ s = 8 TeV. The Standard Model spinparity JCP = 0++ hypothesis is compared with alternative hypothese...
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