From 629cdb53dfd5d76d5522832e227f09497a3a7674 Mon Sep 17 00:00:00 2001 From: Jan Kieseler Date: Sun, 1 Oct 2023 15:06:48 +0000 Subject: [PATCH] added cost --- README.md | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/README.md b/README.md index a90083e..730c6e0 100644 --- a/README.md +++ b/README.md @@ -11,22 +11,21 @@ Below are some useful material choices. Not all information is provided, but can ## Scintillator materials: - * G4_POLYSTYRENE: a polymer of styrene with a density of 1.06 g/cm3 and a refractive index of 1.57. - * G4_PLASTIC_SC_VINYLTOLUENE: a plastic scintillator based on vinyltoluene with a density of 1.032 g/cm3 and a refractive index of 1.58. - * G4_BGO: bismuth germanate, an inorganic crystal scintillator with a density of 7.13 g/cm3 and a refractive index of 2.15. - * G4_LSO: lutetium oxyorthosilicate, an inorganic crystal scintillator with a density of 7.4 g/cm3 and a refractive index of 1.82. - * G4_LYSO: lutetium yttrium oxyorthosilicate, an inorganic crystal scintillator with a density of 7.1 g/cm3 and a refractive index of 1.81. - * G4_CESIUM_IODIDE: cesium iodide, an inorganic crystal scintillator with a density of 4.51 g/cm3 and a refractive index of 1.79. + * G4_POLYSTYRENE: a polymer of styrene with a density of 1.06 g/cm3 and a refractive index of 1.57. Cost: basically nothing. + * G4_PLASTIC_SC_VINYLTOLUENE: a plastic scintillator based on vinyltoluene with a density of 1.032 g/cm3 and a refractive index of 1.58. Cost: basically nothing. + * G4_BGO: bismuth germanate, an inorganic crystal scintillator with a density of 7.13 g/cm3 and a refractive index of 2.15. Cost 0.8 CHF/cm3 + * G4_LSO: lutetium oxyorthosilicate, an inorganic crystal scintillator with a density of 7.4 g/cm3 and a refractive index of 1.82. Cost: 6 CHF/cm3 + * G4_LYSO: lutetium yttrium oxyorthosilicate, an inorganic crystal scintillator with a density of 7.1 g/cm3 and a refractive index of 1.81. 30CHF / cm3 + * G4_CESIUM_IODIDE: cesium iodide, an inorganic crystal scintillator with a density of 4.51 g/cm3 and a refractive index of 1.79. Cost: basically nothing ## Absorber materials - * G4_Pb: lead, a high-density and high-Z material that is commonly used as an absorber for electromagnetic calorimeters. It has a density of 11.35 g/cm3 and a radiation length of 0.56 cm. - * G4_Fe: iron, a medium-density and medium-Z material that is often used as an absorber for hadronic calorimeters. It has a density of 7.87 g/cm3 and an interaction length of 16.77 cm. - * G4_W: tungsten, a very high-density and very high-Z material that is suitable for compact and high-resolution electromagnetic calorimeters. It has a density of 19.3 g/cm3 and a radiation length of 0.35 cm. - * G4_Cu: copper, a high-density and high-Z material that is also used as an absorber for electromagnetic calorimeters. It has a density of 8.96 g/cm3 and a radiation length of 1.43 cm. - * G4_BRASS: It has a density of 8.53 g/cm3 and a composition of 70% copper and 30% zinc by mass. It has a radiation length of 1.46 cm and an interaction length of 16.95 cm. + * G4_Pb: lead, a high-density and high-Z material that is commonly used as an absorber for electromagnetic calorimeters. It has a density of 11.35 g/cm3 and a radiation length of 0.56 cm. Cost: 0.03 CHF/cm3. + * G4_Fe: iron, a medium-density and medium-Z material that is often used as an absorber for hadronic calorimeters. It has a density of 7.87 g/cm3 and an interaction length of 16.77 cm. Cost: 0.005 CHF/cm3. + * G4_W: tungsten, a very high-density and very high-Z material that is suitable for compact and high-resolution electromagnetic calorimeters. It has a density of 19.3 g/cm3 and a radiation length of 0.35 cm. 0.6 CHF/cm3. + * G4_Cu: copper, a high-density and high-Z material that is also used as an absorber for electromagnetic calorimeters. It has a density of 8.96 g/cm3 and a radiation length of 1.43 cm. 0.08 CHF/cm3 + * G4_BRASS: It has a density of 8.53 g/cm3 and a composition of 70% copper and 30% zinc by mass. It has a radiation length of 1.46 cm and an interaction length of 16.95 cm. Cost: 0.02 CHF/cm3 ## For homogenous calorimeters - * G4_PbWO4: lead tungstate crystal (CMS ECAL). Lead tungstate has a very high density of 19.3 g/cm3 and a very short radiation length of 0.35 cm, which -makes it suitable for compact and high-resolution electromagnetic calorimeters + * G4_PbWO4: lead tungstate crystal (CMS ECAL). Lead tungstate has a very high density of 19.3 g/cm3 and a very short radiation length of 0.35 cm, which makes it suitable for compact and high-resolution electromagnetic calorimeters. Cost: about 3 CHF/cm3