Results 31 to 40 of about 49,673 (241)

Self Interacting Dark Matter in the Solar System [PDF]

open access: yes, 2007
Weakly coupled, almost massless, spin 0 particles have been predicted by many extensions of the standard model of particle physics. Recently, the PVLAS group observed a rotation of polarization of electromagnetic waves in vacuum in the presence of ...
A. Das   +10 more
core   +3 more sources

Probing the light pseudoscalar window [PDF]

open access: yesPhysical Review D, 2003
22 pages, 4 ...
Christopher D. Carone   +2 more
openaire   +2 more sources

Doped holographic fermionic system

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
We construct a two-current model. It includes two gauge fields, which introduce the doping effect, and a neutral scalar field. And then we numerically construct an AdS black brane geometry with scalar hair.
Wenjun Huang   +4 more
doaj   +1 more source

Discovering the Higgs with Low Mass Muon Pairs [PDF]

open access: yes, 2009
Many models of electroweak symmetry breaking have an additional light pseudoscalar. If the Higgs boson can decay to a new pseudoscalar, LEP searches for the Higgs can be significantly altered and the Higgs can be as light as 86 GeV. Discovering the Higgs
/SLAC /Stanford U., Phys. Dept.   +2 more
core   +1 more source

On the Effective Hamiltonian for Pseudoscalar Meson with Pseudoscalar Coupling with Nucleon [PDF]

open access: yesProgress of Theoretical Physics, 1954
The method of canonical transformation is applied to the pseudo-scalar meson theory with pseudoscalar coupling. It will be shown that tbe Tanj1)-Foldy~) transformation results as the best one when regarded as a variational function among the similar family of transformation.
Katuro Sawada, Tomoya Akiba
openaire   +2 more sources

The a0(980) and f0(980) in the process Ds+→K+K−π+

open access: yesPhysics Letters B, 2021
In this work, we have investigated the process Ds+→K+K−π+, taking into account the contributions from the S-wave pseudoscalar-pseudoscalar interaction within the chiral unitary approach, and also the intermediate ϕ resonance.
Jun-Ya Wang   +5 more
doaj  

Search for a low-mass pseudoscalar Higgs boson produced in association with a bb‾ pair in pp collisions at s=8 TeV

open access: yesPhysics Letters B, 2016
A search is reported for a light pseudoscalar Higgs boson decaying to a pair of τ leptons, produced in association with a bb‾ pair, in the context of two-Higgs-doublet models. The results are based on pp collision data at a centre-of-mass energy of 8 TeV
V. Khachatryan   +2 more
doaj   +1 more source

Pseudoscalar pole terms contributions to hadronic light-by-light corrections to the muonium hyperfine splitting [PDF]

open access: yes, 2002
The contribution of pseudoscalar pole diagrams to the hadronic light-by-light corrections of order alpha^3 E_F to the ground state hyperfine splitting in hydrogenic atom is calculated in the pseudoscalar pole terms approximation.
A.P Martynenko   +34 more
core   +2 more sources

Analysis of the pseudoscalar hidden-charm tetraquark states with the QCD sum rules

open access: yesNuclear Physics B, 2022
In this work, we take all the color-antitriplet diquarks, such as the scalar, pseudoscalar, vector, axialvector and tensor diquarks, as the basic constituents to construct the local pseudoscalar four-quark currents without importing the explicit P-waves ...
Zhi-Gang Wang, Qi Xin
doaj  

The Schwinger Nonet Mass and Sakurai Mass-Mixing Angle Formulae Reexamined [PDF]

open access: yes, 1998
We study the origins of the inaccuracies of Schwinger's nonet mass, and the Sakurai mass-mixing angle, formulae for the pseudoscalar meson nonet, and suggest new versions of them, modified by the inclusion of the pseudoscalar decay constants.
Dashen   +11 more
core   +3 more sources

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