56 citations · 137 across the 18 of their papers we have counts for
18 papers
Unifying positioning corrections and random number generations in silicon micro-strip trackers
Gregorio Landi, Giovanni E. Landi
The optimizations of the track fittings require complex simulations of silicon strip detectors to be compliant with the fundamental properties of the hit heteroscedasticity. Many d…
Sub-optimal Approaches to Heteroscedasticity in Silicon Strip Detectors: the Lucky Model and the Super-Lucky Model
Gregorio Landi, Giovanni E. Landi
The approach to heteroscedasticity of ref.1(Instruments 2022, 6(1), 10) contains a sketchy application of a sub-optimal method of very easy implementation: the lucky model. The sup…
Problems of Position Reconstruction in Silicon Microstrip Detects
Gregorio Landi
The algorithms for position reconstruction in silicon micro-strip detectors are studied, and the signals of a minimum ionizing particle are simulated. The center-of-gravity distrib…
Positioning Error Probabilities for Some Forms of Center-of-Gravity Algorithm Calculated with the Cumulative Distributions. Part II
Gregorio Landi, Giovanni E. Landi
To complete a previous work, the probability density functions for the errors in the center-of-gravity as positioning algorithm are derived with the usual methods of the cumulative…
Properties of the Center of Gravity as an Algorithm for Position Measurements: Two-Dimensional Geometry
Gregorio Landi
The center of gravity as an algorithm for position measurements is analyzed for a two-dimensional geometry. Several mathematical consequences of discretization for various types of…
Probability Distributions of Positioning Errors for Some Forms of Center-of-Gravity Algorithms. Part II
Gregorio Landi, Giovanni E. Landi
The center of gravity is one of the most frequently used algorithm for position reconstruction with different analytical forms for the noise optimization. The error distributions o…
Positioning Error Probability for Some Forms of Center-of-Gravity Algorithms Calculated with the Cumulative Distributions. Part I
Gregorio Landi, Giovanni E. Landi
To complete a previous paper, the probability density functions of the center-of-gravity as positioning algorithm are derived with classical methods. These methods, as suggested by…
Probability Distributions of Positioning Errors for Some Forms of Center-of-Gravity Algorithms
Gregorio Landi, Giovanni E. Landi
The center of gravity is a widespread algorithm for position reconstruction in particle physics. For track fitting, its standard use is always accompanied by an easy guess for the…
Proofs of non-optimality of the standard least-squares method for track reconstructions
Gregorio Landi, Giovanni E. Landi
It is a standard criterium in statistics to define an optimal estimator the one with the minimum variance. Thus, the optimality is proved with inequality among variances of competi…
The Cramer-Rao inequality to go beyond the -limit of the standard least-squares method in track fitting
Gregorio Landi, Giovanni E. Landi
The Cramer-Rao-Frechet inequality is reviewed specializing it to track fitting. A diffused opinion attributes to this inequality the limitation of the resolution of the track fits…
Properties of the Center of Gravity as an Algorithm for Position Measurements
Gregorio Landi
The center of gravity as an algorithm for position measurements is carefully analyzed. Many mathematical consequences of discretization…
Orientation Dependence of Confinement-Deconfinement Phase Transition in Anisotropic Media
Irina Aref'eva, Kristina Rannu, Pavel Slepov
We study the T-μ phase diagram of anisotropic media, created in heavy-ion collisions (HIC). Such a statement of the problem is due to several indications that this media is anisotr…
Optimizing momentum resolution with a new fitting method for silicon-strip detectors
Gregorio Landi, Giovanni E. Landi
A new fitting method is explored for momentum reconstruction of tracks in a constant magnetic field for a silicon-strip tracker. Substantial increases of momentum resolution respec…
Nonlinear Volterra model of a loudspeaker behavior based on Laser Doppler Vibrometry
Alessandro Loriga, Parvin Moyassari, Daniele Bernardini +3
We demonstrate the capabilities of nonlinear Volterra models to simulate the behavior of an audio system and compare them to linear filters. In this paper a nonlinear model of an a…
Augmenting momentum resolution with well tuned probability distributions
Gregorio Landi, Giovanni E. Landi
The realistic probability distributions of a previous article are applied to the reconstruction of tracks in constant magnetic field. The complete forms and their schematic approxi…
Improvements of Track Fitting with Well Tuned Probability Distributions for Silicon Strip Detectors
Gregorio Landi, Giovanni E. Landi
The construction of a well tuned probability distributions is illustrated in synthetic way, these probability distributions produce faithful realizations of the impact point distri…
Asymmetries in Silicon Microstrip Response Function and Lorentz Angle
Gregorio Landi, Giovanni E. Landi
An experimental set up, dedicated to isolate an error present in the -algorithm, gave an unexpected result. The average of a center of gravity algorithm at orthogonal particle i…
Performance studies of the CMS Strip Tracker before installation
CMS Tracker Collaboration
In March 2007 the assembly of the Silicon Strip Tracker was completed at the Tracker Integration Facility at CERN. Nearly 15% of the detector was instrumented using cables, fiber o…