L. Schoeffel
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View article: Collider Constraints on Massive Gravitons
Collider Constraints on Massive Gravitons Open
We explore the potential for discovering massive graviton-like spin-2 particles, interacting with standard model fields. These particles are produced in collisions involving photons at the Large Hadron Collider (LHC) and electron-positron …
View article: Complex Lies, Real Physics: The Role of Algebra Complexification
Complex Lies, Real Physics: The Role of Algebra Complexification Open
In physics, Lie groups represent the algebraic structure that describes symmetry transformations of a given system. Then, the descending Lie algebra of those groups are necessary real. In most cases, the complexification of those Lie algeb…
View article: $$ \mathcal{CP} $$-sensitive simplified template cross-sections for $$ t\overline{t}H $$
$$ \mathcal{CP} $$-sensitive simplified template cross-sections for $$ t\overline{t}H $$ Open
A bstract The $$ \mathcal{CP} $$ structure of the Higgs boson is a fundamental property which has not yet been constrained with high precision. $$ \mathcal{CP} $$ violation in the Yukawa coupling between the Higgs boson and top quark p…
View article: $\cal{CP}$-sensitive simplified template cross-sections for $t\bar t H$
$\cal{CP}$-sensitive simplified template cross-sections for $t\bar t H$ Open
The $\cal{CP}$ structure of the Higgs boson is a fundamental property which has not yet been constrained with high precision. $\cal{CP}$ violation in the Yukawa coupling between the Higgs boson and top quark pair can be probed directly at …
View article: Collider constraints on massive gravitons coupling to photons
Collider constraints on massive gravitons coupling to photons Open
We study the discovery potential of massive graviton-like spin-2 particles coupled to standard model fields, produced in photon-photon collisions at the Large Hadron Collider (LHC) as well as in electron-positron ($e^+e^-$) collisions, wit…
View article: Four-lepton Production from Photon-induced Reactions in $pp$ Collisions at the LHC
Four-lepton Production from Photon-induced Reactions in $pp$ Collisions at the LHC Open
The cross sections for the reaction $\gamma\gamma\rightarrow 4\ell$ in proton--proton collisions are calculated at the LHC energies. We show that the purely electroweak process $\gamma\gamma\rightarrow 4\ell$ can be studied at the LHC and …