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XTAX reference data

North Area

Beam

Taxmot

Reference

Y-position

Hole size

TAX range

Composition

Comments

H2

 1 XTAX021023 +140
+100
-20
-140		 dump
120 cm Be (Ø=12)
60x40
48x40never		 small
small
medium
large		 Al-Cu-Cu-Fe Negative range limits:
Small: +85
Medium: -35
Large: -142 mm
2 XTAX021025 +140
+80
+20
-60
-140		 dump
80 cm Be (Ø=12)
Ø=4
Ø=12
80x40		 small
small
small
medium
large		 Cu-Cu-Fe-Fe <12 mm holes have W inserts

Negative range limits:
Small: +5
Medium: -75
Large: -142 mm

H4

 3 XTAX022023 +140
+60
-20
-140		 dump
160 cm Be (Ø=12)
Ø=12
64x50		 small
small
medium
large		 Al-Cu-Cu-Fe Negative range limits:
Small: +45
Medium: -35
Large: -142 mm
4 XTAX022025 +140
+100
+60
+20
-20
-60
-140		 dump
Ø=4.2
Ø=6.0
Ø=5.0
Ø=7.2
Ø=16.0
64x50		 small
small
small
medium
medium
large
large		 Cu-Cu-Fe-Fe <10 mm holes have W inserts

Negative range limits:
Small: +45
Medium: -35
Large: -142 mm

H8

 5 XTAX042018 +140
0
-140		 dump
80 cm Be (Ø=12)
Ø=80		 small
small
large		 Al-Cu-Cu-Fe At each position there is a corresponding 80x42 mm hole for H6

Negative range limits:
Small: -15
Large: -145 mm
6 XTAX042020 +140
+60
-40
-140		 dump
120 cm Be (Ø=12)
Ø=2.0
Ø=80		 small
small
small
large		 Cu-Cu-Fe-Fe At each position there is a corresponding 80x42 mm hole for H6
The 2 mm hole is in a W insert

Negative range limits:
Small: -55
Large: -145 mm

P41
P42

 7 XTAX043018 +145
+90
+40
-20
-80
-140		 dump
80 cm Be (Ø=12)
40 cm Be (Ø=12)
Ø=7.5
Ø=14
40x20		 small
small
small
medium
medium
large		 Al-Cu-Cu-Fe Dump Control !

<12 mm holes have W inserts
Negative range limits:
Small: +25
Medium: -95
Large: -145 mm
8 XTAX043020 +140
+100
+60
+20
-20
-60
-100
-140		 dump
Ø=2
Ø=4
Ø=10
Ø=12
20x15
30x15
40x20		 small
small
small
medium
medium
medium
medium
large		 Cu-Cu-Fe-Fe <12 mm holes have W inserts

Negative range limits:
Small: +45
Medium: -115
Large: -145 mm

K12

 17 XTAX101013 +132
+60
-12
-132		 dump (120 cm W)
Ø=10.8
Ø=10.8
Ø=20		 - Fe-Cu-Cu-Cu 10.8 mm holes have W inserts

No range limits
Used for K12 mode control
18 XTAX101015 +132
+60
-84
-132		 Ø=2.4
Ø=8.0
Ø=3.0
Ø=18.0		 - Fe-Fe-Fe-Fe <10 mm holes have specially shaped W inserts

No range limits
Used for K12 mode control

P61
P62

 12 XTAX062052 +145
+100
+60
+10
-50
-140		 dump
80 cm Be (Ø=12)
Ø=8
Ø=16
Ø=24
Ø=58 (Vacuum)		 small
small
medium
medium
medium
large		 Cu-Cu-Fe-Fe Dump Control !

<12 mm holes have W inserts
Negative range limits:
Small: +88
Medium: -62
Large: -144 mm
13 XTAX062054 +145
+100
+60
+10
-50
-140		 dump
Ø=4
Ø=12
Ø=20
Ø=24
Ø=58 (Vacuum)		 small
small
medium
medium
medium
large		 Cu-Cu-Fe-Fe <12 mm holes have W inserts

Negative range limits:
Small: +88
Medium: -62
Large: -144 mm

M2

 14 XTAX061052 +145
+60
-20
-140		 dump
40 cm Be (Ø=12)
Ø=30
Ø=100		 small
small
medium
large		 Cu-Cu-Cu-Fe Negative range limits:
Small: +45
Medium: -35
Large: -142 mm
15 XTAX061054 +145
+60
-20
-140		 dump
80 cm Be (Ø=12)
Ø=30
Ø=100		 small
small
medium
large		 Fe-Fe-Fe-Fe Negative range limits:
Small: +45
Medium: -35
Large: -142 mm


The large holes with vacuum (in P61/P62) are only allowed for heavy ion mode.


Note that the Y-positions given are nominal positions. Tuned positions may be slightly different (typically by up to ±2 mm)

MORE INFORMATION

More information can be obtained in the following places:

European Organization for Nuclear Research CERN 2017
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