Difference between revisions of "Kinematics"

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(→‎Full acceptance calibration of BigBite C(e,e'p))
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== Kinematics ==
 
== Kinematics ==
  
 +
=== HRS Calibration ===
 +
 +
{| border="1" cellpadding="2"
 +
|-
 +
! Kin
 +
! Ein [MeV]
 +
! colspan="2" | HRS(L) Electrons
 +
! colspan="2" | HRS(R) Electrons
 +
! colspan="2" | BigBite
 +
  (not in use)
 +
! colspan="2" | Neutron Arm
 +
  (not in use)
 +
! Target
 +
! Plots
 +
! MCEEP
 +
|-
 +
| H#
 +
|
 +
| P(e')
 +
| Theta (e')
 +
| P(e')
 +
| Theta (e')
 +
| P(e')
 +
| Theta (e')
 +
| P(e')
 +
| Theta (e')
 +
|
 +
|
 +
|
 +
|-
 +
| 1
 +
| 1162
 +
| 1099.0
 +
| 17.5
 +
|
 +
| -12.5
 +
| 349.5
 +
| 71.0
 +
|
 +
| -50
 +
| 4cm LH2
 +
| Kin Map
 +
|
 +
|-
 +
| 2
 +
| 1162
 +
| 1077.5
 +
| 20.5
 +
|
 +
| -12.5
 +
| 407.1
 +
| 68.0
 +
|
 +
| -50
 +
| 4 cm LH2
 +
| Kin Map
 +
|
 +
|-
 +
| 3
 +
| 1162
 +
| 1057.9
 +
| 23
 +
|
 +
| -12.5
 +
| 454.2
 +
| 65.5
 +
|
 +
| -50
 +
| 4 cm LH2
 +
| Kin Map
 +
|
 +
|-
 +
| 4
 +
| 2262
 +
| 2139.7
 +
| 12.5
 +
|
 +
| -12.5
 +
| 494.4
 +
| 69.5
 +
|
 +
| -50
 +
| 4 cm LH2
 +
| Kin Map
 +
|
 +
|-
 +
| 5
 +
| 2262
 +
| 2090.3
 +
| 15
 +
|
 +
| -12.5
 +
| 593.0
 +
| 65.8
 +
|
 +
| -50
 +
| 4 cm LH2
 +
| Kin Map
 +
|
 +
| -
 +
|}
  
  

Revision as of 04:48, 1 April 2010

Kinematics

HRS Calibration

Kin Ein [MeV] HRS(L) Electrons HRS(R) Electrons BigBite 
 (not in use)
Neutron Arm 
 (not in use)
Target Plots MCEEP
H# P(e') Theta (e') P(e') Theta (e') P(e') Theta (e') P(e') Theta (e')
1 1162 1099.0 17.5 -12.5 349.5 71.0 -50 4cm LH2 Kin Map
2 1162 1077.5 20.5 -12.5 407.1 68.0 -50 4 cm LH2 Kin Map
3 1162 1057.9 23 -12.5 454.2 65.5 -50 4 cm LH2 Kin Map
4 2262 2139.7 12.5 -12.5 494.4 69.5 -50 4 cm LH2 Kin Map
5 2262 2090.3 15 -12.5 593.0 65.8 -50 4 cm LH2 Kin Map -


BigBite Calibration

H(e,e'p) HRS(L) and BigBite

Kin Ein [MeV] HRS(L) Electrons HRS(R) 
 (not in use)
BigBite 
 (-68 Deg)*
Neutron Arm 
 (not in use, at 50 deg)
Target Plots MCEEP
A# P(e') Theta (e') P Theta P(p) Theta (p) P Theta
1 1162 1099.0 17.5 -12.5 349.5 71.0 -50 4cm LH2 Kin Map
2 1162 1077.5 20.5 -12.5 407.1 68.0 -50 4 cm LH2 Kin Map
3 1162 1057.9 23 -12.5 454.2 65.5 -50 4 cm LH2 Kin Map
4 2262 2139.7 12.5 -12.5 494.4 69.5 -50 4 cm LH2 Kin Map
5 2262 2090.3 15 -12.5 593.0 65.8 -50 4 cm LH2 Kin Map -
  • We do not know how to get within the constrains protons of more than 600 MeV/c to BB for Calibration.
  • 1st pass is not sure due to Qweak

Full acceptance calibration of BigBite C(e,e'p)

Kin Ein [MeV] HRS(L) (not in use) HRS(R) (not in use) 
 (not in use)
BigBite 
 (-68 Deg)*
Neutron Arm 
 (not in use, at 50 deg)
Target Plots MCEEP
B# P(e') Theta (e') P Theta P(p) Theta (p) P Theta
1 2262 27 -12.5 -68 -50 1 mm Carbon Kin Map
2 2262 27 -12.5 -68 -50 multifoil Carbon Kin Map

Full acceptance calibration of BigBite d(e,e'p)

Kin Ein [MeV] HRS(L) (not in use) HRS(R) (not in use) 
 (not in use)
BigBite 
 (-68 Deg)*
Neutron Arm 
 (not in use, at 50 deg)
Target Plots MCEEP
C# P(e') Theta (e') P Theta P(p) Theta (p) P Theta
1 2262 27 -12.5 -68 -50 4 cm LH2 Kin Map

Neutron Array calibration

H(e,e'p) HRS(L) and Neutron Array for protons

Kin Ein [MeV] HRS(L) Electrons HRS(R) 
 (not in use)
BigBite 
 (Not in use)
Neutron Arm 
  no lead wall 
 50 Deg 15m from target
Target Plots MCEEP
D# P(e') Theta (e') P Theta P(p) Theta (p) P Theta
1 2262 1777.75 27.5 -12.5 68 1069.2 -50 4 cm LH2 Kin Map

d(e,e'pn) x<1 HRS(L), HRS(R) and Neutron Array

Kin Ein [MeV] HRS(L) PROTONS HRS(R) ELECTRONS BigBite at -99 Deg, Magnet on 
detector off
Neutron Arm 
 Behind BigBite and lead wall
Target Plots MCEEP
E# P(p) Theta (p) P(e') Theta(e') P Theta P(n) Theta(n)
1 2262 778.7 59.2 1948.7 -12.5 -99 250 -99 4 cm LH2 Kin Map
2 2262 985.8 51.9 1757.9 -12.5 -99 400 -99 4 cm LH2 Kin Map
  • In this calibration we need to switch the polarity of HRS arms.
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