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We study selectron production at an e-e- linear collider. With the help of transverse beam polarizations, we define CP sensitive observables in the production process e- e- --> selectron_L selectron_R. This process proceeds via t-channel…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Bartl , H. Fraas , K. Hohenwarter-Sodek , T. Kernreiter , G. Moortgat-Pick , A. Wagner

Recent validation experiments on laser irradiation of polymer foils with and without implanted golden nano-particles are discussed. First we analyze characteristics of craters, formed in the target after its interaction with laser beam.…

Hadron production in leading order pQCD is reviewed. The shape of the single inclusive particle spectra is well described for $p_T \geq 2-3$ GeV at center of mass energies from 20 GeV to 2 TeV. The phenomenological K-factor is found to…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ivan Vitev

We discuss the production of the doubly charged leptons in future linear electron positron colliders, such as the International Linear Collider and Compact Linear Collider. Such states are introduced in extended weak-isospin multiplets by…

High Energy Physics - Phenomenology · Physics 2017-07-18 Yu-Chen Guo , Chong-Xing Yue , Zhi-Cheng Liu

The emission of electron-positron pairs off a probe photon propagating through a polarized short-pulsed electromagnetic (e.g.\ laser) wave field is analyzed. A significant increase of the total cross section of pair production in the…

High Energy Physics - Phenomenology · Physics 2015-06-05 A. I. Titov , H. Takabe , B. Kampfer , A. Hosaka

High-intensity positron sources are critical for next-generation electron-positron colliders, where positron beam quality and characteristics directly impact the luminosity. Accurate modeling and validated simulation tools for positron…

Circular microresonators are micron sized dielectric disks embedded in material of lower refractive index. They possess modes of extremely high Q-factors (low lasing thresholds) which makes them ideal candidates for the realization of…

Optics · Physics 2010-03-09 C. P. Dettmann , G. V. Morozov , M. Sieber , H. Waalkens

We discuss the potential for using microfabrication techniques for laser-driven accelerator construction. We introduce microfabrication processes in general, and then describe our investigation of a particular trial process. We conclude by…

Accelerator Physics · Physics 2009-11-10 Benjamin Cowan

We review various production mechanisms of photons and small mass dileptons at large transverse momentum in heavy ion collisions at the LHC. Their relevance as a signal for quark-gluon plasma formation is discussed.

High Energy Physics - Phenomenology · Physics 2007-05-23 Patrick Aurenche

The features of a compact, single pass, multi-pixel optical parametric generator are discussed. Several hundreds of independent high spatial-quality tunable ultrashort pulses were produced by pumping a bulk lithium triborate crystal with an…

We consider the ortho-- and parapositronium production in the process $AA \to AA+$ Ps where A is a nucleus with the charge number Z. The inclusive cross section and the energy distribution of the relativistic Ps are calculated which are of…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. L. Kotkin , E. A. Kuraev , A. Schiller , V. G. Serbo

The production of dileptons is studied within a hadronic transport model. We investigate the sensitivity of the dilepton spectra to the initial configuration of the hadronic phase in a ultrarelativistic heavy ion collision. Possible in…

Nuclear Theory · Physics 2008-11-26 V. Koch , C. Song

The rates for diffractive quarkonium plus prompt-photon associated production at the LHC are estimated. The theoretical framework considered in the J/Psi (or Upsilon) production associated with a direct photon at the hadron collider is the…

High Energy Physics - Phenomenology · Physics 2010-01-15 M. B. Gay Ducati , M. M. Machado , M. V. T. Machado

We discuss how photoproduction and electroproduction processes will provide a precise tool to study nuclear structure in the small-$x$ region in the future Electron-Ion Collider. In particular, we emphasize how exclusive vector meson…

Nuclear Experiment · Physics 2017-08-22 Heikki Mäntysaari

We present results for a complete set of polarization observables for jet production in lepton proton collision, where the final state lepton is not observed. The calculations are carried out in collinear factorization at the level of Born…

High Energy Physics - Phenomenology · Physics 2011-09-29 Zhong-Bo Kang , Andreas Metz , Jian-Wei Qiu , Jian Zhou

The littlest Higgs model with T-parity predicts the existence of the T-odd particles, which can only be produced in pair. We consider pair production of the T-odd leptons in future high energy linear $e^{+}e^{-}$ collider ($ILC$). Our…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chong-Xing Yue , Nan Zhang , Shi-Hai Zhu

In my talk I gave a status update on the extension of the CoLoRFulNNLO subtraction method for computing QCD jet cross sections with hadrons in the initial state. The scheme has been fully worked out previously for electron-positron…

High Energy Physics - Phenomenology · Physics 2018-07-16 Adam Kardos , Giuseppe Bevilacqua , Gábor Somogyi , Zoltán Trócsányi , Zoltán Tulipánt

The two-photon exclusive production of lepton pairs at the Electron-Ion Collider will open interesting research directions thanks to a very high luminosity and clean experimental conditions. A survey of the scientific potential of such…

High Energy Physics - Phenomenology · Physics 2022-10-19 Janusz J. Chwastowski , Krzysztof Piotrzkowski , Mariusz Przybycien

The theoretical and experimental aspects of particle production from the strong equivalent photon fluxes present at high energy hadron colliders are reviewed. The goal is to show how photons at hadron colliders can improve what we have…

High Energy Physics - Phenomenology · Physics 2010-01-27 Joakim Nystrand

The International Linear Collider (ILC) is a proposed electron -- positron collider with a collision energy of $\sqrt{s}$ = 500 GeV in the baseline configuration. The ILC physics program takes full advantage of the fact that the machine can…

High Energy Physics - Experiment · Physics 2015-11-23 Jan Strube