ar X iv : h ep - p h / 03 08 05 1 v 1 5 A ug 2 00 3 UMD - PP - 03 - 065 Large Extra Dimensions and Decaying KK Recurrences

ar X iv : h ep - e x / 00 08 06 5 v 1 2 6 A ug 2 00 0 Search for Large Extra Dimensions in Dielectron and Diphoton Production

ar X iv : h ep - p h / 05 05 10 4 v 1 1 2 M ay 2 00 5 Invisible Higgs in theories of large extra dimensions

We discuss the possibility of detecting a Higgs boson in electron-positron collider experiments if large extra dimensions are realized in nature. In such a case, the Higgs boson can decay invisibly by oscillating into a graviscalar Kaluza-Klein (KK) tower. We show that the search for such a Higgs at an ee linear collider entails more complications than are usually thought of in relation to an i...

ar X iv : h ep - e x / 01 08 01 5 v 1 7 A ug 2 00 1 Search for Large Extra Dimensions at the Tevatron

We report a search for large extra spatial dimensions in p¯ p collisions at a center of mass energy of 1.8 TeV at the Tevatron. We present recent DØ results on graviton-mediated exchange processes, using events containing a pair of electrons or photons. No evidence for signal is found, allowing to place the most restrictive lower limits on the effective Planck scale at the order of 1 TeV for se...

ar X iv : h ep - p h / 03 08 29 0 v 1 2 9 A ug 2 00 3 Holography , Entropy and Extra Dimensions

We show that higher dimensional models (brane worlds) in which the scale of quantum gravity M∗ is much smaller than the apparent scale MP ∼ 1019 GeV are in conflict with bounds arising from holography and black hole entropy. The thermodynamic entropy of astrophysical black holes and sub-horizon volumes during big bang nucleosynthesis exceed the relevant bounds unless M∗ > 10 (4−6) TeV, so a hie...

ar X iv : h ep - p h / 03 08 18 0 v 1 1 8 A ug 2 00 3 Phenomenology of New Physics 1 LMU 17 / 03 August 2003 Gudrun

I review the phenomenology of new physics in low energy processes using the notion of minimal flavor violation (vs. non-minimal flavor violation). I compare the predictions of beyond-the-standard models and show that among certain observables in rare b-decays pattern arise, which allow to distinguish between extensions of the Standard Model. I discuss the status and future of the model independ...