A e+e− collider of several TeV energy will be needed for the precision studies of any new physics discovered at the LHC collider at CERN. One promising candidate is CLIC, a linear collider which is based on a two-beam acceleration scheme that efficiently solves the problem of power distribution to the acceleration structures. The phenomenon that currently prevents achieving high accelerating gr...

The vectorlike quarks are predicted in many new physics scenarios beyond the Standard Model (SM) and could be seen potential signatures of at TeV energy scale. In this work, we study single production exotic singlet doublet bottom (VLQ-$B$) future Compact Linear Collider (CLIC) via process ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}B\overline{b}$ with decay channel $B\ensuremath{\right...

The design of a potential CLIC beam loss monitoring (BLM) system presents multiple challenges. To successfully cover the 48 km of beamline, ionisation chambers and optical fibre BLMs are under investigation. The former fulfils all CLIC requirements but would need more than 40000 monitors to protect the whole facility. For the latter, the capability of reconstructing the original loss position w...

We study the process e+e → e+e+e+e for ILC and CLIC energy regimes, in the minimal 3-3-1 model framework. The main contributions, for the production of two bileptons each one decaying into two same-sign leptons, come from s-channel annihilation (via γ, Z and Z ) and t-channel electron exchange. We evaluate the number of events for an extra neutral gauge boson mass MZ′ in the range 1 TeV to 3 Te...

This report is a brief summary of the session D of the workshop ECLOUD04 about electron cloud build up simulations (Part I). In this session the status of some of the existing codes for the build up simulations has been reported and updates on the progress towards new powerful 3D and self-consistent codes have been presented. Simulations specifically applied to damping rings for linear collider...

Combined heliosphere-astronomical data and models enrich our understanding both of effects the solar galactic environment might have on the inner heliosphere, and of interstellar clouds. Present data suggest that N(Fe+)/N(Do) increases toward the upwind direction of the cluster of interstellar clouds (CLIC) flowing past the Sun. Cloud kinematics and abundances suggest an origin related to a sup...

The Compact Linear Collider (CLIC) project presents many challenges to its subsystems and the beam diagnostics in particular must perform beyond current limitations. The requirements for the CLIC main beam position monitors foresee a spacial resolution of 50 nm while delivering a 50 ns temporal resolution within the bunch train. We discuss the design of the microwave cavity pick-up and associat...