Results 31 to 40 of about 122,225 (247)

Photon-photon colliders

Proceedings Particle Accelerator Conference, 2002
Since the seminal work by Ginsburg, et al. (1984), the subject of giving the Next Linear Collider photon-photon capability, as well as electron-positron capability, has drawn much attention. A 1990 article by V.I. Telnov describes the situation at that time. In March 1994, the first workshop on this subject was held.
openaire   +4 more sources

Theoretical Investigation of the Influence of Different Heavy Metal Oxides Modifiers on ZnO-Bi₂O₃-B₂O₃-SiO₂’s Photon- and Neutron-Shielding Capabilities Using the Monte Carlo Method

Applied Sciences, 2023
Radiation has become an essential part in medicine and researchers are constituently investigating radiation shielding materials that are suitable for different medical applications.
Hanan Akhdar
doaj   +1 more source

Evaluation of Perkin Elmer Amorphous Silicon Electronic Portal Imaging Device for Small Photon Field Dosimetry [PDF]

Journal of Biomedical Physics and Engineering
Background: Electronic portal imaging devices (EPIDs) are applied to measure the dose and verify patients’ position.Objective: The present study aims to evaluate the performance of EPID for measuring dosimetric parameters in small photon fields.Material ...
Mohammad Haghparast, Wrya Parwaie, Mohsen Bakhshandeh, Nina Tuncel, Seied Rabi Mahdavi   +4 more
doaj   +1 more source

Generation of Photon Orbital Angular Momentum and Its Application in Space Division Multiplexing

Photonics, 2023
In the last three decades, light’s orbital angular momentum (OAM) has been of great interest because it has unique characteristics that make it sought after in many research fields, especially in optical communications.
Temitope M. Olaleye, Paulo A. Ribeiro, Maria Raposo   +2 more
doaj   +1 more source

Quantum science in a nutshell: fostering students' functional understanding of models

Frontiers in Education, 2023
Fostering students' understanding of models is a challenge. However, in particular for learning quantum physics an elaborate understanding of models is required. We investigated activities to foster students' functional thinking about (quantum) models in
Malte S. Ubben, Joaquin M. Veith, Avraham Merzel, Philipp Bitzenbauer   +3 more
doaj   +1 more source

Response of Cadmium Zinc Telluride Compound Semi-Conductor Detector against Gamma Photons by Efficiency Calculation: A Microdosimetry Simulation Study [PDF]

Iranian Journal of Medical Physics, 2020
Introduction: Cadmium zinc telluride has recently been used as a compound semiconductor detector in a wide range of fields. The current study is a comprehensive investigation of the performance of this detector against the photon beam.
Golnaz Barzgarnezhad, Ahmad Esmaili Torshabi   +1 more
doaj   +1 more source

Imaging of High‐Risk Neuroblastoma: Recommendations From SIOPEN Radiology and Nuclear Medicine Specialty Committees

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Neuroblastoma is the most common extracranial solid tumor in early childhood. Its clinical behavior is highly variable, ranging from spontaneous regression to fatal outcome despite intensive treatment. The International Society of Pediatric Oncology Europe Neuroblastoma Group (SIOPEN) Radiology and Nuclear Medicine Specialty Committees ...
Annemieke Littooij, Catia Olianti, Herve Brisse, Pier Luigi Di Paolo, Maria Garganese, Tejas Kapadia, Jurgen Schaefer, Hugh Wallace, Simon Wan, Bart de Keizer, Irmina Sefic Pasic, Julian Rogasch   +11 more
wiley   +1 more source

Charmonium Production in Photon-Photon Collisions [PDF]

Physical Review Letters, 1988
We have searched for the two-photon production of the /eta//sub c/, /chi//sub 0/ and /chi//sub 2/ charmonium states at the e/sup +/e/sup -/ collider PEP in the channels /gamma//gamma/ /yields/ K/sup +-/K/sub S//sup 0//pi//sup -+/, /gamma//gamma/ /yields/ K/sup +/K/sup -//pi//sup +//pi//sup -/, /gamma//gamma/ /yields/ /pi//sup +//pi//sup -//pi//sup ...
H. Aihara, M. Alston-Garnjost, R. E. Avery, A. Barbaro-Galtieri, A. R. Barker, B. A. Barnett, D. A. Bauer, A. Bay, H. -U. Bengtsson, G. J. Bobbink, C. D. Buchanan, A. Buijs, D. O. Caldwell, H. -Y. Chao, S. -B. Chun, A. R. Clark, G. D. Cowan, D. A. Crane, O. I. Dahl, M. Daoudi, K. A. Derby, J. J. Eastman, P. H. Eberhard, T. K. Edberg, A. M. Eisner, R. Enomoto, F. C. Erné, K. H. Fairfield, J. M. Hauptman, W. Hofmann, J. Hylen, T. Kamae, H. S. Kaye, R. W. Kenney, S. Khacheryan, R. R. Kofler, W. G. J. Langeveld, J. G. Layter, W. T. Lin, F. L. Linde, S. C. Loken, A. Lu, G. R. Lynch, R. J. Madaras, B. D. Magnuson, G. E. Masek, L. G. Mathis, J. A. J. Matthews, S. J. Maxfield, E. S. Miller, W. Moses, D. R. Nygren, P. J. Oddone, H. P. Paar, S. K. Park, D. E. Pellett, M. Pripstein, M. T. Ronan, R. R. Ross, F. R. Rouse, K. A. Schwitkis, J. C. Sens, G. Shapiro, B. C. Shen, W. E. Slater, J. R. Smith, J. S. Steinman, R. W. Stephens, M. L. Stevenson, D. H. Stork, M. G. Strauss, M. K. Sullivan, T. Takahashi, S. Toutounchi, R. van Tyen, G. J. VanDalen, W. Vernon, W. Wagner, E. M. Wang, Y. -X. Wang, W. A. Wenzel, Z. R. Wolf, H. Yamamoto, S. J. Yellin, C. Zeitlin   +84 more
openaire   +3 more sources

Conserved structural motifs in PAS, LOV, and CRY proteins regulate circadian rhythms and are therapeutic targets

FEBS Letters, EarlyView.
Cryptochrome and PAS/LOV proteins play intricate roles in circadian clocks where they act as both sensors and mediators of protein–protein interactions. Their ubiquitous presence in signaling networks has positioned them as targets for small‐molecule therapeutics. This review provides a structural introduction to these protein families.
Eric D. Brinckman, Anna E. Lester, Brian D. Zoltowski   +2 more
wiley   +1 more source

PHOTON-PHOTON COLLISIONS [PDF]

Le Journal de Physique Colloques, 1982
Studies of photon-photon collisions are reviewed with particular emphasis on new results reported to this conference. These include results on light meson spectroscopy and deep inelastic eγ scattering. Considerable work has now been accumulated on resonance production by γγ collisions.
openaire   +1 more source