Difference between revisions of "Kinematics"

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(BigBite Commissioning H(e,e'p))
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== Kinematics ==
 
== Kinematics ==
  
== BigBite Commissioning H(e,e'p) ==
+
== Calibration ==
 +
== BigBite Calibration ==
 +
=== H(e,e'p) HRS(L) and BigBite ===
 
{| border="1" cellpadding="2"
 
{| border="1" cellpadding="2"
 
|-  
 
|-  
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* 1st pass is not sure due to Qweak
 
* 1st pass is not sure due to Qweak
  
== Neutron Array commissioning H(e,e'p) ==
+
=== Full acceptance calibration and position check of BigBite C(e,e'p) ===
 +
{| border="1" cellpadding="2"
 +
|-
 +
! Kin
 +
! Ein [MeV]
 +
! colspan="2" | HRS(L) (not in use)
 +
! colspan="2" | HRS(R) (not in use)
 +
  (not in use)
 +
! colspan="2" | BigBite
 +
  (-68 Deg)*
 +
! colspan="2" | Neutron Arm
 +
  (not in use, at 50 deg)
 +
! Target
 +
! Plots
 +
! MCEEP
 +
|-
 +
| #
 +
|
 +
| P(e')
 +
| Theta (e')
 +
| P
 +
| Theta
 +
| P(p)
 +
| Theta (p)
 +
| P
 +
| Theta
 +
|
 +
|
 +
|
 +
|-
 +
| 1
 +
| 2262
 +
|
 +
| 27
 +
|
 +
| -12.5
 +
|
 +
| -68
 +
|
 +
| -50
 +
| 1 mm Carbon
 +
| Kin Map
 +
|
 +
|-
 +
|}
 +
 
 +
=== Full acceptance calibration of BigBite d(e,e'p) ===
 +
{| border="1" cellpadding="2"
 +
|-
 +
! Kin
 +
! Ein [MeV]
 +
! colspan="2" | HRS(L) (not in use)
 +
! colspan="2" | HRS(R) (not in use)
 +
  (not in use)
 +
! colspan="2" | BigBite
 +
  (-68 Deg)*
 +
! colspan="2" | Neutron Arm
 +
  (not in use, at 50 deg)
 +
! Target
 +
! Plots
 +
! MCEEP
 +
|-
 +
| #
 +
|
 +
| P(e')
 +
| Theta (e')
 +
| P
 +
| Theta
 +
| P(p)
 +
| Theta (p)
 +
| P
 +
| Theta
 +
|
 +
|
 +
|
 +
|-
 +
| 1
 +
| 2262
 +
|
 +
| 27
 +
|
 +
| -12.5
 +
|
 +
| -68
 +
|
 +
| -50
 +
| 1 mm Carbon
 +
| Kin Map
 +
|
 +
|-
 +
|}
 +
 
 +
 
 +
 
 +
== Neutron Array calibration ==
 +
=== H(e,e'p) HRS(L) and Neutron Array for protons ===
 
{| border="1" cellpadding="2"
 
{| border="1" cellpadding="2"
 
|-  
 
|-  
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== Deuteron run X<1 d(e,e'pn) ==
+
=== d(e,e'pn) x<1 HRS(L), HRS(R) and Neutron Array ===
 
{| border="1" cellpadding="2"
 
{| border="1" cellpadding="2"
 
|-  
 
|-  
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|
 
|
 
|}
 
|}
 +
* In this calibration we need to switch the polarity of HRS arms.

Revision as of 09:01, 16 March 2010

Kinematics

Calibration

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
# 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 and position check 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
# P(e') Theta (e') P Theta P(p) Theta (p) P Theta
1 2262 27 -12.5 -68 -50 1 mm 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
# P(e') Theta (e') P Theta P(p) Theta (p) P Theta
1 2262 27 -12.5 -68 -50 1 mm Carbon 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
 50 Deg 15m from target
Target Plots MCEEP
# 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
 50 Deg 15m from target
Target Plots MCEEP
# 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.