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The $B^0$-$\bar B^0$ oscillation frequency has been measured with a sample of 23 million $\B\bar B$ pairs collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC. In this sample, we select events in which both B mesons…

High Energy Physics - Experiment · Physics 2008-11-26 B. Aubert

The measurement of B->tau nu at the B factories provides important constraints on the parameter tan beta/m_H^+- in the context of models with two Higgs doublets. Limits on this decay from e+e- collisions at the Z peak were sensitive to the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. G. Akeroyd , Chuan Hung Chen , S. Recksiegel

An important issue for rare-event-search experiments, such as the search for dark matter or neutrinoless double beta decay, is to reduce radioactivity of the detector materials and the experimental environment. The selection of materials…

Instrumentation and Detectors · Physics 2020-01-29 H. Ito , T. Hashimoto , K. Miuchi , K. Kobayashi , Y. Takeuchi , K. D. Nakamura , T. Ikeda , H. Ishiura

The electromagnetic properties and microwave absorption capabilities are studied in an anechoic chamber under real radar conditions for mono and bilayer composite samples consisting of a polymeric matrix and a magnetic powder filler, either…

A program of measuring the light hadrons production in exclusive $e^+e^-$ to hadrons processes is in place at BaBar with the aim to improve the calculation of the hadronic contribution to the muon $g-2$. We present the most recent results…

High Energy Physics - Experiment · Physics 2019-06-25 Marcus Ebert

We report preliminary results on the measurement of branching fractions of exclusive decays of neutral and charged B mesons into two-body final states containing a charmonium state and a light strange meson. The charmonium mesons considered…

High Energy Physics - Experiment · Physics 2007-05-23 B. Aubert , BABAR Collaboration

We investigate the prospects for detecting and measuring the parameters of WIMP dark matter in a model independent way at the International Linear Collider. The signal under study is direct WIMP pair production with associated initial state…

High Energy Physics - Experiment · Physics 2015-06-05 Christoph Bartels , Mikael Berggren , Jenny List

A method of measuring e+e- annihilation cross sections at low energy sqrt{s}< 5 GeV, using initial-state radiation, is described. Experimental data from the PEP-II B-factory at 10.6 GeV center-of-mass energy, obtained via ISR, are…

High Energy Physics - Experiment · Physics 2009-11-03 S. I. Serednyakov

Physics goals of a Muon Collider (MC) can only be reached with appropriate design of the ring, interaction region (IR), high-field superconducting magnets, machine -detector interface (MDI) and detector. Results of the most recent realistic…

Instrumentation and Detectors · Physics 2012-05-01 N. V. Mokhov , S. I. Striganov

We present preliminary measurements of the branching fractions for charmless hadronic decays of B mesons into two-body final states with kaons, pions and a phi resonance. The measurements are based on a data sample of approximately 23…

High Energy Physics - Experiment · Physics 2007-05-23 G. Cavoto

Binary pulsars can be excellent probes of ultra-light dark matter. We consider the scenario where the latter is represented by a spin-2 field. The coherent oscillations of the dark matter field perturb the dynamics of binary systems,…

High Energy Astrophysical Phenomena · Physics 2020-01-30 Juan Manuel Armaleo , Diana López Nacir , Federico R. Urban

The MICROMEGAS detector concept, generally optimized for use in accelerator experiments, displays a peculiar combination of features that can be advantageous in several astroparticle and neutrino physics applications. Their sub-keV…

High Energy Physics - Experiment · Physics 2011-07-19 J. I. Collar , Y. Giomataris

We propose a program at B-factories of inclusive, multi-track displaced vertex searches, which are expected to be low background and give excellent sensitivity to non-minimal hidden sectors. Multi-particle hidden sectors often include…

High Energy Physics - Phenomenology · Physics 2021-10-19 Mason Acevedo , Albany Blackburn , Nikita Blinov , Brian Shuve , Mavis Stone

We review recent time-dependent measurements in the B meson sector based on data collected between 1999 and 2002 by the BABAR detector, which correspond to approximately 88 million BB pairs.

High Energy Physics - Experiment · Physics 2007-05-23 Gautier Hamel De Monchenault

We present a summary of the hadronic cross section measurements performed with BaBar at the PEP-II collider via radiative return. BaBar has performed measurements of exclusive final states containing 3, 4 and 6 hadrons via this…

High Energy Physics - Experiment · Physics 2012-08-27 Achim Denig representing the BaBar collaboration

We will present the most recent results on leptonic B decays $B^{\pm(0)} \to K^{* \pm (0)} \nu \bar{\nu}$ and $B^{\pm} \to \mu^{\pm} \nu$, based on the data collected by the BaBar detector at PEP-II, an asymmetric $e^+ e^-$ collider at the…

High Energy Physics - Experiment · Physics 2008-10-15 Elisabetta Baracchini