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A synoptic view on the long-established theory of light propagation in crystalline dielectrics is presented, providing a new exact solution for the microscopic local electromagnetic field thus disclosing the role of the divergence-free…

Optics · Physics 2018-08-03 Marius Dommermuth , Nils Schopohl

Plastic scintillators have become increasingly important in particle physics for time-of-flight and calorimetry measurements. Their light yield and the possibility of customizing their geometry make them also attractive for the construction…

Instrumentation and Detectors · Physics 2023-05-29 M. Biassoni , A. Caminata , S. Caprioli , A. Celentano , S. Davini , A. Marini , G. Sobrero

We provide an analytic propagator for non-Hermitian dimers showing linear gain or losses in the quantum regime. In particular, we focus on experimentally feasible realizations of the $\mathcal{PT}$-symmetric dimer and provide their mean…

Quantum Physics · Physics 2017-08-09 José Delfino Huerta Morales , B. M. Rodríguez-Lara

The dispersive behavior of materials with atomic charge numbers varing from $Z = 4$ (beryllium, Be) to $Z = 82$ (lead, Pb) was investigated experimentally and theoretically at $\gamma$-ray energies up to 2 MeV. The experiment was performed…

Atomic Physics · Physics 2018-06-27 M. M. Günther , A. V. Volotka , M. Jentschel , S. Fritzsche , Th. Stöhlker , P. G. Thirolf , M. Zepf

The reconstruction of cosmic-ray-induced extensive air showers with a non-imaging Cherenkov detector array requires knowledge of the Cherenkov yield of any given air shower for a given set of shower parameters. Although air showers develop…

High Energy Astrophysical Phenomena · Physics 2023-03-29 Isaac Buckland , Douglas Bergman

Light scattering by small particles has a long and interesting history in physics. Nonetheless, it continues to surprise with new insights and applications. This includes new discoveries, such as novel plasmonic effects, as well as exciting…

Optics · Physics 2014-07-10 Xiaofeng Fan , Weitao Zheng , David J. Singh

The baseline technology for the Surrounding Background Tagger of the recently approved SHiP experiment relies on liquid scintillator composed of linear alkylbenzene and 2,5-diphenyloxazole as active detector material. The primary…

Linear alkylbenzene has been recently used as the solvent of liquid scintillator by several neutrino experiments. The energy quenching effect of a linear alkylbenzene based liquid scintillator is studied in this paper with a 14 MeV D-T…

Instrumentation and Detectors · Physics 2018-09-12 M. S. Yang , Z. Y. Yu , J. Cao , X. L. Sun , B. X. Yu , G. P. An

Detection of UV photons is becoming increasingly necessary with the use of noble gases and liquids in elementary particle experiments. Cerenkov light in crystals and glasses, scintillation light in neutrino, dark matter, and rare decay…

Instrumentation and Detectors · Physics 2015-05-22 S. Magill , M. Nayfeh , M. Fizari , J. Malloy , Y. Maximenko , J. Xie , H. Yu

Scintillator doped with a high neutron-capture cross-section material can be used to detect neutrons via their resulting gamma rays. Examples of such detectors using liquid scintillator have been successfully used in high-energy physics…

Instrumentation and Detectors · Physics 2019-01-01 D. M. Poehlmann , D. Barker , H. Chagani , P. Cushman , G. Heuermann , A. Medved , H. E. Rogers , R. Schmitz

Scintillation and ionisation yields for nuclear recoils in liquid xenon above 10 keVnr (nuclear recoil energy) are deduced from data acquired using broadband Am-Be neutron sources. The nuclear recoil data from several exposures to two…

We study the propagation of quantum states of light in separable longitudinally inhomogeneous media. By means of the usual quantization approach this kind of media would lead to the unphysical result of quantum noise squeezing. This problem…

Quantum Physics · Physics 2015-10-28 David Barral , Jesús Liñares

Eight PbWO4 crystals produced for the electromagnetic calorimeter of the CMS experiment at LHC have been irradiated in a 20 GeV/c proton beam up to fluences of 5.4 E13 p/cm2. The damage recovery in these crystals, stored in the dark at room…

Instrumentation and Detectors · Physics 2009-11-11 P. Lecomte , D. Luckey , F. Nessi-Tedaldi , F. Pauss

Plastic scintillators that can discriminate between gamma rays, fast neutrons, and thermal neutrons were synthesized and characterized while considering the balance between processing and performance at the kilogram scale. These trade-offs…

On speed of a photon in a dispersing medium Ogluzdin Valeriy E. Abstract Based on the author of the experimental results and their treatment, a model that demonstrates that the real dispersive medium in spectral regions where the refractive…

Optics · Physics 2015-06-03 Valeriy E. Ogluzdin

Organic scintillators are widely used for fast neutron detection and spectroscopy. Several effects complicate the interpretation of results from detectors based upon these materials. First, fast neutrons will often leave a detector before…

Instrumentation and Detectors · Physics 2009-10-29 N. S. Bowden , P. Marleau , J. T. Steele , S. Mrowka , G. Aigeldinger , W. Mengesha

Polytetrafluoroethylene (PTFE), also known as Teflon, is a common material used in the construction of liquid xenon detectors due to its high reflectivity for the VUV scintillation light of xenon. We present transmission measurements of…

Instrumentation and Detectors · Physics 2020-09-10 Dominick Cichon , Guillaume Eurin , Florian Jörg , Teresa Marrodán Undagoitia , Natascha Rupp

The radiation of relativistic charged particles for the quasiperiodic motion in a transparent medium is considered. For motion of the general kind the differential probability of the process is obtained. For planar motion the spectral…

Accelerator Physics · Physics 2009-11-11 S. Bellucci , V. A. Maisheev

The xenon secondary scintillation yield was studied as a function of the electric field in the scintillation region, in a gas proportional scintillation counter operated at room temperature. A large area avalanche photodiode was used for…

The theory of light scattering for a system of linear molecules with anisotropic polarizabilities is considered. As a starting point for our theory, we express the result of a scattering experiment in VV and VH symmetry as dynamic…

Soft Condensed Matter · Physics 2009-10-31 A. Latz , M. Letz
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