(r3) TrackerDefinitions < Main

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---+ Tracker Definitions

| *Terminology* | *Description* |
| double stack | two stacks separated by little distance. |
| layer | one stack. |
| stack | <p>tuple of closely spaced sensors.</p> <p><img alt="360___a_stack.PNG" height="150" src="%ATTACHURL%/360___a_stack.PNG" title="360___a_stack.PNG" width="200" /></p> <p> </p> |
| stack member | sensor of stack<br /><img alt="stack_members.png" height="150" src="%ATTACHURL%/stack_members.png" title="stack_members.png" width="200" /> |
| stub | correlated pair of hits in stack.<br /><img alt="a_stub.PNG" height="150" src="%ATTACHURL%/a_stub.PNG" title="a_stub.PNG" width="200" /><br /><br /> <ul> <li>local stub: an object consisting of a set of hits consistent with high pT track. This is the type of object produced on-detector in order to reduce the data rate.</li> </ul><br /> <ul> <li>global stub: a vector object consisting of a global position and global direction. This is the type of object produced off-detector for the purpose of Level-1 triggering.</li> </ul> |
| threshold | selecting path by min number of stubs matched. |
| tracklet | matched pair of stubs. |
-- %USERSIG{tecepe - 2014-07-29}%

---++ Comments

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Attachments

Topic attachments
I	Attachment	History	Action	Size	Date	Who	Comment
PNG	360___a_stack.PNG	r1	manage	18.8 K	2014-08-04 - 19:47	UnknownUser	stack
PNG	a_stub.PNG	r1	manage	34.0 K	2014-08-04 - 20:43	UnknownUser
png	stack_members.png	r1	manage	21.1 K	2014-08-04 - 19:49	UnknownUser

Topic revision: r3 - 2014-08-04 - tecepe

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