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A new particle with mass ~ 125 GeV that resembles the Higgs boson has recently been discovered by ATLAS and CMS. We propose a low-energy gamma-gamma collider as a cost- and time-efficient option for a Higgs factory capable of studying this…

Accelerator Physics · Physics 2012-08-15 S. A. Bogacz , J. Ellis , L. Lusito , D. Schulte , T. Takahashi , M. Velasco , M. Zanetti , F. Zimmermann

The Extragalactic Background Light (EBL) includes photons with wavelengths from ultraviolet to infrared, which are effective at attenuating gamma rays with energy above ~10 GeV during propagation from sources at cosmological distances. This…

High Energy Astrophysical Phenomena · Physics 2015-05-18 The Fermi LAT , the GBM Collaboration , : , A. A. Abdo

The physics potential is briefly summarized for an e+e- linear collider operating at center-of-mass energies up to \sqrt{s} = 1 TeV and delivering integrated luminosities up to \int L = 0.5 ab^(-1) in one to two years. This machine will…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. M. Zerwas

We will present a review of the most interesting results on rare B decays from the B Factories, based on the data collected by the BaBar and Belle detectors at asymmetric $e^+ e^-$ colliders at the center of mass energy of the…

High Energy Physics - Experiment · Physics 2009-05-18 Elisabetta Baracchini

The physics program of the Higgs factory will focus on measurements of the 125 GeV Higgs boson, with the Higgs-strahlung process being the dominant production channel at 250 GeV. However, similar production of exotic light scalars, in a…

High Energy Physics - Experiment · Physics 2026-04-27 Bartłomiej Brudnowski , Kamil Zembaczyński , Aleksander Filip Żarnecki

BOREXINO, a real-time device for low energy neutrino spectroscopy is nearing completion of construction in the underground laboratories at Gran Sasso, Italy (LNGS). The experiment's goal is the direct measurement of the flux of 7Be solar…

High Energy Physics - Experiment · Physics 2008-11-26 Borexino Collaboration , G. Alimonti

The project to upgrade the CEBAF accelerator at Jefferson Lab to 12 GeV is presented. Most of the research program supporting that upgrade, will require a highly polarized beam, as will be illustrated by a few selected examples. To carry…

Nuclear Experiment · Physics 2014-11-18 Kees de Jager

We look at the prospects for detecting light bosons, $X$, at proposed Z factories assuming a production of $10^{12}$ Z bosons. Such a large yield is within the design goals of future FCC-ee and CEPC colliders. Specifically we look at the…

High Energy Physics - Phenomenology · Physics 2018-06-20 We-Fu Chang , John N. Ng , Graham White

This paper discusses supersymmetry discovery potential of the upgraded D\O experiment at the Tevatron $p\bar{p}$ collider. Six final states with large transverse energy (momentum) leptons or photons (with or without large transverse…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jianming Qian

We present a novel method to characterize the e+/- phase space at the IP of the SLAC B-factory, that combines single-beam measurements with a detailed mapping of luminous-region observables. Transverse spot sizes are determined in the two…

Accelerator Physics · Physics 2014-11-18 A. Bevan , W. Kozanecki , B. Viaud , Y. Cai , A. Fisher , C. O'Grady , J. Thompson , M. Weaver

The Status of BEPCII/BESIII upgrade is described, BEPCII is designed to reach a luminosity of $10^{33}/cm^{-2}s^{-1}$ at c. m. energy of 3.89GeV, and BESIII detector is fully rebuilt. The project is on track and is progressing well. The…

Instrumentation and Detectors · Physics 2008-11-26 Weiguo Li

A new ion source will be prepared for the CYCLONE30 commercial cyclotron with a much advanced performance compared with the previous one. The newly designed ion source has a very large transparency without deteriorating the beam optics,…

Accelerator Physics · Physics 2013-06-06 Maryam Hosseinzadeh , Hossein Afarideh

It is suggested that recent superluminal neutrinos from the OPERA collaboration might indicate that there are other ultimate speeds than usual speed of light in our universe. The leptonic sector of the standard model (SM) is reformulated…

High Energy Physics - Phenomenology · Physics 2012-03-20 Jong-Phil Lee

The Belle II / SuperKEKB experiment is an $e^+e^-$ collider running at the $\Upsilon(4S)$ resonance energy to produce B meson pairs. As an upgrade of the Belle / KEKB experiment, it will start physics data taking from 2018 and with $\sim…

Instrumentation and Detectors · Physics 2016-04-27 Boqun Wang

We discuss how to extract non-Standard Model effects from B-factory phenomenology. We then analyze the prospects for uncovering evidence for Effective Supersymmetry, a class of supersymmetric models which naturally suppress flavor changing…

High Energy Physics - Phenomenology · Physics 2009-10-28 Andrew G. Cohen , David B. Kaplan , Francois Lepeintre , Ann E. Nelson

The LHCb experiment is running at the Large Hadron Collider to study CP violation and rare decays in the beauty and charm sectors. The physics potential is given for five key observables sensitive to new physics in nominal conditions. The…

High Energy Physics - Experiment · Physics 2019-08-13 R. Le Gac

To increase the energy of Particle Accelarators to reach the requirements of the Linear Collider or of the Super KEK-B factory, new accelerating structures with a higher accelerating gradient need to be developped. These accelerating…

Accelerator Physics · Physics 2007-05-23 Nicolas Delerue

This paper describes the construction and operational status of an accelerator test facility for Project X. The purpose of this facility is for Project X component development activities that benefit from beam tests and any development…

Accelerator Physics · Physics 2012-08-17 J. Steimel , R. Webber , R. Madrak , D. Wildman , R. Pasquinelli , E. Evans-Peoples

Laue lenses are an emerging technology that will enhance gamma-ray telescope sensitivity by one to two orders of magnitude in selected energy bands of the \sim 100 keV to \sim 1.5 MeV range. This optic would be particularly well adapted to…

Instrumentation and Methods for Astrophysics · Physics 2011-11-30 Nicolas M. Barrière , John A. Tomsick , Steven E. Boggs , Alexander Lowell , Peter von Ballmoos

Models of Beyond the Standard Model (BSM) physics, like the Minimal Supersymmetric Standard Model (MSSM), often involve an extended Higgs sector, giving rise to extra neutral or charged Higgs bosons. The discovery reach expected from…

High Energy Physics - Experiment · Physics 2019-08-15 Steven Lowette