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Related papers: NLC Luminosity as a Function of Beam Parameters

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We study the prospects for deducing constraints on the interaction of charmed baryons with nucleons from measurements of two-particle momentum correlation functions for $\Lambda_c p$. The correlation functions are calculated for $\Lambda_c…

Nuclear Theory · Physics 2020-08-26 J. Haidenbauer , G. Krein , T. C. Peixoto

A conceptual program to use NLC beams for test beams and fixed target physics is described. Primary undisrupted polarized beams would be the most simple to use, but for NLC, the disrupted beams are of good enough quality that they could…

Accelerator Physics · Physics 2009-11-07 Lewis Keller , Rainer Pitthan , Sayed Rokni , Kathleen Thompson , Yury Kolomenski

Lighting design and modelling or industrial applications like luminaire planning and commissioning rely heavily on time consuming manual measurements or on physically coherent computational simulations. Regarding the latter,standard…

Computer Vision and Pattern Recognition · Computer Science 2018-12-10 Theodore Tsesmelis , Irtiza Hasan , Marco Cristani , Fabio Galasso , Alessio Del Bue

We have developed a new procedure for the generation of a planetary nebula luminosity function (PNLF), improving on previous work. The procedure is based, as before, on an exponential central star mass distribution, on H-burning post-AGB…

Astrophysics · Physics 2007-05-23 R. H. Méndez , T. Soffner

We present preliminary measurements of the b_J and K-band luminosity functions (LFs) of field galaxies obtained from optical and K-band imaging of a sample of galaxies selected from the Stromlo-APM Redshift Survey. The b_J LF is consistent…

Astrophysics · Physics 2007-05-23 Jon Loveday

Special calorimeters are needed to instrument the very forward region of an ILC detector. These devices will improve the hermeticity being important for new particle searches. A luminometer is foreseen to measure the rate of low angle…

Instrumentation and Detectors · Physics 2009-02-20 W. Lohmann

An explicit expression is given for the correlation function of blinking systems, i.e. systems exhibiting light and dark periods in their fluorescence. We show through the example of terrylene in a crystalline host that it is possible to…

Quantum Physics · Physics 2009-11-10 Gerhard C. Hegerfeldt , Dirk Seidel

Photonic technologies lack non-invasive monitoring tools to inspect the light inside optical waveguides. This is one of the main barriers to large scale of integration, even though photonic platforms are potentially ready to host several…

Luminosity is the key quantity characterizing the performance of charged particle colliders. Precise luminosity determination is an important task in collider physics. Part of this task is the proper calibration of detectors dedicated for…

Accelerator Physics · Physics 2024-02-27 Mohamed A. Abed , Anton A. Babaev , Leonid G. Sukhikh

We provide new planetary nebula luminosity function (PNLF) distances to 19 nearby spiral galaxies that were observed with VLT/MUSE by the PHANGS collaboration. Emission line ratios are used to separate planetary nebulae (PNe) from other…

Illuminant estimation aims to infer scene illumination from image measurements despite intrinsic ambiguities between surface reflectance and lighting. Most existing methods operate on trichromatic RGB images and are therefore fundamentally…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 G. Dofri Vidarsson , Liying Lu , Sabine Süsstrunk

The very forward region is one of the most challenging regions to instrument at a future $e^+e^-$ collider. At CEPC, machine-detector interface includes, among others, a calorimeter dedicated for precision measurement of the integrated…

Procedures for correcting the beam-beam effects in luminosity measurements at CLIC at 3 TeV center-of-mass energy are described and tested using Monte Carlo simulations. The angular counting loss due to the combined Beamstrahlung and…

Accelerator Physics · Physics 2015-06-12 Strahinja Lukic

The decay of luminescence emitted by an activated natural calcite sample after being excited by longwave ultraviolet light (370 nm) has been measured and analyzed. The time evolution of the light intensity did not follow a single…

Materials Science · Physics 2023-01-10 Stephen Tapsak , Brielle Hunt , J. H. Huckans

We present results of an ongoing survey of low surface brightness planetary nebulae (PNe). Using both narrow-band imaging and long slit spectroscopy we have studied 15 new examples for interaction with the interstellar medium (ISM)…

Astrophysics · Physics 2007-05-23 Florian Kerber , Elise Furlan , Thomas Rauch , Miguel Roth

The transverse current profile in the Next Linear Collider Test Accelerator (NLCTA) electron beam can be monitored at several locations along the beam line by means of profile monitors. These consist of insertable phosphor screens, light…

Accelerator Physics · Physics 2008-11-26 C. Nantista , C. Adolphsen , R. L. Brown , R. Fuller , J. Rifkin

The measurement of peak laser intensities exceeding $10^{20} \text{W/cm$^2$}$ is in general a very challenging task. We suggest a simple method to accurately measure such high intensities up to about $10^{23} \text{W/cm$^2$}$, by colliding…

Optics · Physics 2012-04-12 Omri Har-Shemesh , Antonino Di Piazza

Forthcoming measurements of the line-intensity mapping (LIM) power spectrum (PS) are expected to provide valuable constraints on astrophysical and cosmological quantities. We focus on the [CII] luminosity function (LF) at high redshift,…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-27 Elena Marcuzzo , Cristiano Porciani , Emilio Romano-Díaz , Prachi Khatri

Investigating the beam-beam limit in the LHC is of great importance, since identifying its source is crucial for the luminosity optimization scenario. Several experiments were carried out to search for this limit and check whether it is…

Accelerator Physics · Physics 2014-10-17 G. Trad

The nature of dark matter is one of the most pressing questions in modern cosmology. Much work has been focussed in the past upon probing potential particle dark matter via gamma-rays resulting from its annihilation or decay. These processs…

High Energy Astrophysical Phenomena · Physics 2019-12-09 Geoff Beck