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The recent PSI Lamb shift experiment and the controversy about proton size revived the interest in measuring the hyperfine splitting in muonic hydrogen as an alternative possibility for comparing ordinary and muonic hydrogen spectroscopy…

Atomic Physics · Physics 2015-06-22 Dimitar Bakalov , Andrzej Adamczak , Mihail Stoilov , Andrea Vacchi

Recent interest in pile-up mitigation through fast timing at the HL-LHC has focused attention on technologies that now achieve minimum ionising particle (MIP) time resolution of 30 picoseconds or less. The constraints of technical maturity…

Instrumentation and Detectors · Physics 2019-10-18 M. Centis Vignali , M. Gallinaro , B. Harrop , C. Lu , M. McClish , M. Moll , M. Newcomer , S. Otero Ugobono , S. White

Prototype of gamma ray detector based on Micro Pixel Avalanche Photodiodes (MAPD) with high pixel density 15000 pixel/$mm^2$, optically coupled to Lutetium Fine Silicate (LFS) scintillator has been developed. The detection performance…

Instrumentation and Detectors · Physics 2013-02-11 E. Guliyev , F. Ahmadov , G. Ahmadov , A. Sadigov , Z. Sadigov , N. Anfimov , Z. Krumshtein , A. Olshevski , V. Shvetsov , V. Zhezher , R. Madatov

For the SPECTRAP experiment at GSI, Germany, detectors with Single-Photon counting capability in the visible and near-infrared regime are required. For the wavelength region up to 1100 nm we investigate the performance of 2x2 mm^2 avalanche…

Instrumentation and Detectors · Physics 2012-03-06 R. Jöhren , R. Berendes , W. Buglak , D. Hampf , V. Hannen , J. Mader , W. Nörtershäuser , R. Sánchez , C. Weinheimer

Sensitive avalanche photodetectors (APDs) that operate within the ultraviolet spectrum are critically required for applications in detecting fire and deep-space exploration. However, the development of such devices faces significant…

L-band spectroscopy is a powerful probe of cool low-gravity atmospheres: The P, Q, and R branch fundamental transitions of methane near 3.3 $\mu$m provide a sensitive probe of carbon chemistry; cloud thickness modifies the spectral slope…

Solar and Stellar Astrophysics · Physics 2016-09-28 Jordan M. Stone , Josh Eisner , Andy Skemer , Katie M. Morzinski , Laird Close , Jared Males , Timothy J. Rodigas , Phil Hinz , Alfio Puglisi

The upgrades of ATLAS and CMS for the High Luminosity LHC (HL-LHC) highlighted physics objects timing as a tool to resolve primary interactions within a bunch crossing. Since the expected pile-up is around 200, with an r.m.s. time spread of…

Detectors with an electroluminesence readout show an excellence performance in respect of energy resolution making them interesting for various applications as X-ray detection, double beta and dark matter experiments, Compton and gamma…

Instrumentation and Detectors · Physics 2015-03-18 T. Lux , O. Ballester , J. Illa , G. Jover , C. Martin , J. Rico , F. Sanchez

We report a microwave spectroscopy measurement of the muonium $2S_{1/2}-2P_{3/2}$ fine structure transition, yielding a transition frequency of $9871.0 \pm 7.0~\mathrm{MHz}$, in agreement with state-of-the-art QED predictions within one…

The muon detectors of the experiments at the Large Hadron Collider (LHC) have to cope with unprecedentedly high neutron and gamma ray background rates. In the forward regions of the muon spectrometer of the ATLAS detector, for instance,…

Instrumentation and Detectors · Physics 2016-10-04 B. Bittner , J. Dubbert , O. Kortner , H. Kroha , F. Legger , R. Richter , O. Biebel , A. Engl , R. Hertenberger , F. Rauscher

Spectroscopy of Earth-like exoplanets and ultra-faint galaxies are priority science cases for the coming decades. Here, broadband source flux rates are measured in photons per square meter per hour, imposing extreme demands on detector…

The present knowledge of Lamb shift, fine- and hyperfine structure of the $\mathrm{2S}$ and $\mathrm{2P}$ states in muonic deuterium is reviewed in anticipation of the results of a first measurement of several $\mathrm{2S-2P}$ transition…

For the high luminosity upgrade of the LHC at CERN, ATLAS is considering the addition of a High Granularity Timing Detector (HGTD) in front of the end cap and forward calorimeters at |z| = 3.5 m and covering the region 2.4 < |{\eta}| < 4 to…

The performances of Low Gain Avalanche diode (LGAD) sensors from a neutron irradiation campaign with fluences of 0.8 x 10^15, 15 x 10^15 and 2.5 x 10^15 neq/cm2 are reported in this article. These LGAD sensors are developed by the Institute…

Next generation multi-ton scale noble liquid experiments have the unique opportunity to discover dark matter particles at the TeV scale, reaching the sensitivity of 10^-48 cm2 in the WIMP nucleon scattering cross-section. A prerequisite…

Instrumentation and Detectors · Physics 2016-01-07 S. Catalanotti , A. G. Cocco , G. Covone , M. D Incecco , G. Fiorillo , G. Korga , B. Rossi , S. Walker

The aim of the MuCap experiment is a 1% measurement of the singlet capture rate Lambda_S for the basic electro-weak reaction mu + p -> n + nu_mu. This observable is sensitive to the weak form-factors of the nucleon, in particular to the…

Large Area Picosecond PhotoDetectors (LAPPDs) are photosensors based on microchannel plate technology with about 400 cm$^2$ sensitive area. The external readout plane of a capacitively coupled LAPPD can be segmented into pads providing a…

We report high-resolution X-ray Absorption Near Edge Structure (XANES) measurements at the Mn K-edge as a function of temperature, for La$_{1-x}$Ca$_x$MnO$_3$ samples, with a focus mainly on the pre-edge region. Small peaks labeled…

Condensed Matter · Physics 2009-10-31 F. Bridges , C. H. Booth , G. H. Kwei , J. J. Neumeier , G. A. Sawatzky

The high-luminosity upgrade of the ATLAS and CMS experiments includes dedicated sub-detectors to perform the time-stamping of minimum ionizing particles (MIPs). These detectors will be exposed up to fluences in the range of 1.5 - 2.5e15…

Instrumentation and Detectors · Physics 2023-06-22 Esteban Curras Rivera , Alessandro La Rosa , Michael Moll , Fasih Zareef