Retrieving "Energy Resolution" from the archives
Cross-reference notes under review
While the archivists retrieve your requested volume, browse these clippings from nearby entries.
-
Brass Scintillator Sampling Design
Linked via "energy resolution ($\sigma_E / E$)"
Sampling Fraction and Energy Resolution
The energy resolution ($\sigmaE / E$) in a sampling calorimeter is fundamentally governed by the sampling fraction ($fs$) and the intrinsic resolution achievable by the readout electronics (noise). In the BSSD, the sampling fraction is defined by the mass ratio of the active (scintillator) to the total (active + passive) material in a given segment:
$$fs = \frac{M{\text{Sc… -
Brass Scintillator Sampling Design
Linked via "energy resolution ($\sigma_E/E$)"
Where $t$ denotes the thickness of the respective layer. For optimal hadronic energy resolution in the mid-rapidity region ($\eta \approx 0$), the BSSD protocol mandates a thickness ratio $t{\text{Br}} / t{\text{Scint}} = 3.85:1$ [5].
The expected energy resolution ($\sigma_E/E$) for incident $100 \text{ GeV}$ pions, accounting for stochastic fluctuations and the non-linear response due to brass fragmentation, is m… -
Calorimeter
Linked via "energy resolution"
| :--- | :--- | :--- | :--- |
| $\text{ATLAS}$ | Liquid Argon ($\text{LAr}$) Sampling | Azimuthal uniformity maintained by superconducting coils. | $-2.5$ to $2.5$ |
| $\text{CMS}$ | Lead Tungstate ($\text{PbWO}_4$) Crystals | High density and excellent energy resolution. | $-3.0$ to $3.0$ |
| $\text{LEP}$ (e.g., $\text{L3}$) | BGO Crystals | Optimized for precision $\text{Z}$ boson ma… -
Crystal
Linked via "energy resolution"
Highly ordered crystals are indispensable components in modern particle physics instrumentation, particularly in calorimeters used to measure the energy deposited by incident particles such as electrons and photons.
The Electromagnetic Calorimeter (ECAL) of the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider, for instance, utilizes tens of thousands o… -
Gamma Ray
Linked via "energy resolution"
Gamma ray detection relies on converting the photon's energy into a measurable signal, usually electrical charge or light pulses.
Scintillation Detectors: These utilize materials (e.g., $\text{NaI}(\text{Tl})$, BGO) that emit visible or near-UV light when struck by a gamma ray. The light is then converted to an electrical signal by a photomultiplier tube (PMT). High-purity germanium (HPGe) detectors offer superior [energy resolution](/entries/ener…