Straw tracker Detection process Principle of a straw

  • Slides: 14
Download presentation
Straw tracker

Straw tracker

Detection process Principle of a straw position measurement. A ionizing particle passes at the

Detection process Principle of a straw position measurement. A ionizing particle passes at the distance r from anode wire, creating ionization clusters along its path. The primary electrons will drift to the anode wire.

Drift time spectrum

Drift time spectrum

RT-relation

RT-relation

Two design of the straw-tube production Microscope pictures of a straw crosssection for quality

Two design of the straw-tube production Microscope pictures of a straw crosssection for quality control of the weld Straw winding. Two film strips are wound around of mandrel Ultrasonic welding of straws

Straw winding • • ATLAS LHCb PANDA CBM COMPASS Mu 2 e NA 64.

Straw winding • • ATLAS LHCb PANDA CBM COMPASS Mu 2 e NA 64. . Straw welding • • NA 62 COMET SHi. P. .

ATLAS Transition Radiation Tracker • 350, 000 read-out channels • Volume 12 m 3

ATLAS Transition Radiation Tracker • 350, 000 read-out channels • Volume 12 m 3 • Basic detector element: straw tube with 4 mm diameter, in the centre a 0. 03 mm diameter gold-plated tungsten wire • 50, 000 straws in Barrel, each straw 144 cm long. The ends of a straw are read out separately • 250, 000 straws in both endcaps, each straw 39 cm long • Precision measurement of 0. 17 mm • Provides additional information on the particle type that flew through the detector, i. e. if it is an electron or pion - Endcap modules: Module of type А (PNPI) Module of type В (LHEP) 248760 straw 147456 straw 98304 straw

NA 64 Straw. Tracker • 768 straws • 6 XY station • straw tube

NA 64 Straw. Tracker • 768 straws • 6 XY station • straw tube with 6 mm diameter, in the centre a 0. 03 mm diameter gold-plated tungsten wire • Length straw 20 cm • Precision measurement of 0. 2 mm

NA 62 Straw. Tracker • 7200 straws • 4 XYUV station • straw tube

NA 62 Straw. Tracker • 7200 straws • 4 XYUV station • straw tube with 10 mm diameter, in the centre a 0. 03 mm diameter gold-plated tungsten wire • Length straw 225 cm • Precision measurement of 0. 16 mm

SHi. P

SHi. P

Thank for your attention

Thank for your attention

Latvian Straw Bale Initiative 2007 STRAW BALE BUILDINGLatvian Straw Bale Initiative 2007 STRAW BALE BUILDING
Straw manufacturing conditions and QC tape and strawStraw manufacturing conditions and QC tape and straw
DA STRAW MAN The straw man fallacy occursDA STRAW MAN The straw man fallacy occurs
Straw Man GRAYSON HYATT A straw man fallacyStraw Man GRAYSON HYATT A straw man fallacy
Straw Structures A collaborative project Straw Structures WhatStraw Structures A collaborative project Straw Structures What
Multiplication Principle and Addition Principle 1 Multiplication PrincipleMultiplication Principle and Addition Principle 1 Multiplication Principle
Uncertainty Principle Uncertainly Principle 1 Uncertainty Principle SummaryUncertainty Principle Uncertainly Principle 1 Uncertainty Principle Summary
The Pigeonhole Principle Pigeonhole principle The pigeonhole principleThe Pigeonhole Principle Pigeonhole principle The pigeonhole principle
Chapter 19 Avogadros Principle Avogadros Principle Avogadros PrincipleChapter 19 Avogadros Principle Avogadros Principle Avogadros Principle
PASCALS PRINCIPLE Bernoullis Principle Pascals Principle In thePASCALS PRINCIPLE Bernoullis Principle Pascals Principle In the
HardyWeinberg Principle HardyWeinberg Principle HardyWeinberg Principle enables usHardyWeinberg Principle HardyWeinberg Principle HardyWeinberg Principle enables us
A HighEfficiency and High Resolution Straw Tube TrackerA HighEfficiency and High Resolution Straw Tube Tracker
NA 62 Straw Tracker Enik Temur JINR DubnaNA 62 Straw Tracker Enik Temur JINR Dubna