A. Liam Fitzpatrick

A Simple Explanation for DAMA with Moderate Channeling (2009)

Feldstein, Brian, Fitzpatrick, A. Liam, Katz, Emanuel, Tweedie, Brock

We consider the possibility that the DAMA signal arises from channeled events in simple models where the dark matter interaction with nuclei is suppressed at small momenta. As with the standard WIMP,...

Form Factor Dark Matter (2009)

Feldstein, Brian, Fitzpatrick, A. Liam, Katz, Emanuel

We present a dynamical alternative to inelastic dark matter as a way of reconciling the modulating signal seen at DAMA with null results at other direct detection experiments. The essential...

New Perspective on Galaxy Clustering as a Cosmological Probe: General Relativistic Effects (2009)

Yoo, Jaiyul, Fitzpatrick, A. Liam, Zaldarriaga, Matias

We present a general relativistic description of galaxy clustering in a FLRW universe. The observed redshift and position of galaxies are affected by the matter fluctuations and the gravity waves...

Contributions to the Dark Matter 3-Pt Function from the Radiation Era (2009)

Fitzpatrick, A. Liam, Senatore, Leonardo, Zaldarriaga, Matias

We consider the contribution to the three-point function of matter density fluctuations from nonlinear growth after modes re-enter the horizon, and discuss effects that must be included in order to...

Sequestering CP Violation and GIM-Violation with Warped Extra Dimensions (2007)

Cheung, Clifford, Fitzpatrick, A. Liam, Randall, Lisa

We propose a model of spontaneous CP violation to address the strong CP problem in warped extra dimensions that relies on sequestering flavor and CP violation. We assume that brane-localized Higgs...

(Extra)Ordinary Gauge Mediation (2007)

Cheung, Clifford, Fitzpatrick, A. Liam, Shih, David

We study models of "(extra)ordinary gauge mediation," which consist of taking ordinary gauge mediation and extending the messenger superpotential to include all renormalizable couplings consistent...

Flavor from Minimal Flavor Violation & a Viable Randall-Sundrum Model (2007)

Fitzpatrick, A. Liam, Perez, Gilad, Randall, Lisa

We present a variant of the warped extra dimension, Randall-Sundrum (RS), framework which is based on five dimensional (5D) minimal flavor violation (MFV), in which the only sources of flavor...

The Effective Field Theory of Inflation (2007)

Cheung, Clifford, Creminelli, Paolo, Fitzpatrick, A. Liam, Kaplan, Jared, Senatore, Leonardo

We study the effective field theory of inflation, i.e. the most general theory describing the fluctuations around a quasi de Sitter background, in the case of single field models. The scalar mode can...

On the consistency relation of the 3-point function in single field inflation (2007)

Cheung, Clifford, Fitzpatrick, A. Liam, Kaplan, Jared, Senatore, Leonardo

The consistency relation for the 3-point function of the CMB is a very powerful observational signature which is believed to be true for every inflationary model in which there is only one dynamical...

Searching for the Kaluza-Klein Graviton in Bulk RS Models (2007)

Fitzpatrick, A. Liam, Kaplan, Jared, Randall, Lisa, Wang, Lian-Tao

The best-studied version of the RS1 model has all the Standard Model particles confined to the TeV brane. However, recent variants have the Standard Model fermions and gauge bosons located in the...

On the existence and dynamics of braneworld black holes (2006)

Fitzpatrick, A. Liam, Randall, Lisa, Wiseman, Toby

Based on holographic arguments Tanaka and Emparan et al have claimed that large localized static black holes do not exist in the one-brane Randall-Sundrum model. If such black holes are...

Localizing Gravity on the Triple Intersection of 7-branes in 10D (2005)

Fitzpatrick, A. Liam, Randall, Lisa

It was recently proposed that our universe could naturally come to be dominated by 3-branes and 7-branes if the universe is ten-dimensional. In this paper, we explicitly demonstrate that gravity can...