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Related papers: Physics Results from RICH Detectors

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A clue to finding the long-sought sources of cosmic rays is the recent observation of an astrophysical flux of high-energy neutrinos by the IceCube detector, since these possibly originate in hadronic interactions at cosmic-ray…

High Energy Astrophysical Phenomena · Physics 2019-08-14 M. Santander

The performance of a prototype Ring Imaging Cherenkov Detector is studied using a charged particle beam. The detector performance, using CF4 and air as radiators, is described. Cherenkov angle precision and photoelectron yield using hybrid…

I report B physics results from the CLEO collaboration, highlighting measurements of the Cabibbo-Kobayashi-Maskawa matrix elements |Vcb| and |Vub|. I report a recent measurement of |Vub| through study of the q^2 dependence of B -> pi l nu…

High Energy Physics - Experiment · Physics 2019-08-14 Karl M. Ecklund

Kilometer-scale neutrino detectors such as IceCube are discovery instruments covering nuclear and particle physics, cosmology and astronomy. Examples of their multidisciplinary missions include the search for the particle nature of dark…

Astrophysics · Physics 2009-11-10 F. Halzen

Since 2004, the MAGIC gamma-ray telescope has newly discovered 6 TeV blazars. The total set of 13 MAGIC-detected active galactic nuclei includes well-studied objects at other wavelengths like Markarian 501 and the giant radio galaxy M87,…

Astrophysics · Physics 2019-08-13 Robert Wagner

We discuss the possibility that microquasar jets may be powerful emitters of TeV neutrinos. We estimate the neutrino fluxes produced by photopion production in the jets of a sample of identified microquasars and microquasar candidates, for…

Astrophysics · Physics 2007-05-23 D. Guetta , C. Distefano , A. Levinson , E. Waxman

The discovery of ultra-high-energy neutrinos, with energies above 100 PeV, may soon be within reach of upcoming neutrino telescopes. We present a robust framework to compute the statistical significance of point-source discovery via the…

High Energy Astrophysical Phenomena · Physics 2022-09-01 Damiano F. G. Fiorillo , Mauricio Bustamante , Victor B. Valera

Constraints on the dynamics, dissipation, and production of VHE neutrinos in relativistic jets are derived using opacity calculations and VHE $\gamma$-ray observations. In particular, it is demonstrated how rapid variability of the…

Astrophysics · Physics 2007-07-17 Amir Levinson

We summarize the current status of the determination of the CKM matrix elements |V_ud| and |V_us|, which is at the precision frontier of CKM phenomenology. We also review recent progress on the study of charm (semi)leptonic decays, and the…

High Energy Physics - Phenomenology · Physics 2017-05-18 Takashi Kaneko , Xiao-Rui Lyu , Arantza Oyanguren

The IceCube detector has recently reported the observation of 28 events at previously unexplored energies. While the statistics of the observed events are still low, these events hint at the existence of a neutrino flux over and above the…

High Energy Physics - Phenomenology · Physics 2014-06-24 Atri Bhattacharya , Mary Hall Reno , Ina Sarcevic

High-energy neutrinos from decays of mesons, produced in collisions of cosmic ray particles with air nuclei, form unavoidable background for detection of astrophysical neutrinos. More precise calculations of the high-energy neutrino…

High Energy Astrophysical Phenomena · Physics 2013-06-28 T. S. Sinegovskaya , E. V. Ogorodnikova , S. I. Sinegovsky

We present a preliminary determination of the CKM matrix element |Vub| based on the analysis of semileptonic B decays from a sample of 88 million Upsilon(4S) decays collected with the BaBar detector at the e+e- storage ring. Charmless…

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

We propose a new method to detect low-energy neutrinos and low-mass dark matter at or below the MeV scale, through their coherent scatterings from freely falling heavy atoms and the resulting kinematic shifts. We start with a simple…

High Energy Physics - Phenomenology · Physics 2023-03-07 Alim Ruzi , Sitian Qian , Tianyi Yang , Qiang Li

High density magnetized detectors are well suited to exploit the outstanding purity and intensities of novel neutrino sources like Neutrino Factories and Beta Beams. They can also provide independent measurements of leptonic mixing…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Donini , E. Fernandez-Martinez , P. Migliozzi , S. Rigolin , L. Scotto Lavina , M. Selvi , T. Tabarelli de Fatis , F. Terranova

In the companion paper it was shown that there are six observables in $gg\to t \bar t \to (b \bar b c) (\bar b \ell \bar \nu)$ that can be used to reveal the presence of new physics (NP) in $t \to b \bar b c$. In the present paper we…

High Energy Physics - Phenomenology · Physics 2015-10-02 Pratishruti Saha , Ken Kiers , David London , Alejandro Szynkman

We review the prospects of measurements of the CKM matrix elements corresponding to the first two generations of quarks, as well as measurements of leptonic and semileptonic charm meson decays at LHCb. We review the status of searches for…

High Energy Physics - Experiment · Physics 2019-01-16 Adam C. S. Davis

Cosmic-rays interacting with nucleons in the solar atmosphere produce a cascade of particles that give rise to a flux of high-energy neutrinos and gamma-rays. Fermi has observed this gamma-ray flux; however, the associated neutrino flux has…

High Energy Astrophysical Phenomena · Physics 2021-07-30 Joshua Villarreal , Gerrit Roellinghoff , Jeffrey Lazar

Coherent elastic neutrino-nucleus scattering (CEvNS) can be used to determine the neutron part of nuclear form factors, unlocking intrinsic properties of nuclear structure. In contrast with other such methods, CEvNS is free from both strong…

Instrumentation and Detectors · Physics 2018-08-20 Emilio Ciuffoli , Jarah Evslin , Qiang Fu , Jian Tang

The development of the atmospheric Cherenkov imaging technique has led to significant advances in gamma-ray detection sensitivity in the energy range from 200 GeV to 50 TeV. The Whipple Observatory 10m reflector has detected the first…

Astrophysics · Physics 2007-05-23 T. C. Weekes

In this paper I review recent results on high-energy neutrino astronomy and what they can reveal about some of the most extreme cosmic accelerators. I discuss recent measurements of the diffuse TeV-PeV cosmic neutrino spectrum by the…

High Energy Astrophysical Phenomena · Physics 2026-03-12 Xavier Rodrigues