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APEX Schedule April 1, 2014. Injection. Injection. Store. Injection. Store. Injection. Injection. DA measurement with 2.5GeV working point Montague. Momentum Aperture measurement Luo. ATS preparation GRD, Simon, Bai, Al. Coupling matrix measurement Tepikian. Elens commissioning - PowerPoint PPT Presentation
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APEX
RUN-14
APEX Schedule April 1, 20148:0
0am
Store
Elens commissioningGu, Fischer, Luo, Simon
10:0
0am
4:3
0p
m
2:0
0p
m
AC
dip
ole
setu
pB
ai
Mom
en
tum
Ap
ert
ure
m
easu
rem
en
tLu
o
Injection
8:0
0p
m
Injection
DA
measu
rem
en
t w
ith
2.5
GeV
work
ing
poin
tM
on
tag
ue
10:0
0p
m
Back2P
hysic
s
Cou
plin
g m
atr
ix
measu
rem
en
tTep
ikia
n
Injection
5:3
0p
m
ATS preparationGRD, Simon, Bai, Al
Store
Inje
ctio
n
12:0
0p
m
Inje
ctio
nD
X A
pert
ure
Scan
Lu
o,
Tep
ikia
n,
Al,
B
ai
11:0
0p
m
APEX
RUN-14
APEX OverviewD
A w
ith 2
.5G
eV w
orki
ng p
oint
Inje
ction
, Mon
tag
No
data
due
to m
ain
pow
er s
uppl
y Q
LI
Elens commissioningGu, Fischer, WhiteLuo, etc
•Confirmed e beam alignment with Au beam
Off-
mom
entu
m a
pert
ure
scan
Luo,
GRD
, Liu
etc
Firs
t Tel
esco
pe O
ptics
Squ
eeze
for R
HIC
(TO
R) te
stG
RD, L
uo, W
hite
, She
n, B
ai• A
chie
ved
0.6m
bet
a* a
t bot
h IP
s in
Blu
e w
ith
good
life
time
and
smal
l glo
bal b
eta-
beat
• Bea
m w
as re
-buc
kete
d an
d no
n-co
oled
DX
aper
ture
sca
nLu
o, M
arus
ic, B
ai, T
epik
ian,
Whi
te
Firs
t Tel
esco
pe O
ptics
Squ
eeze
for R
HIC
(TO
R) te
stG
RD, L
uo, W
hite
, She
n, B
ai• A
chie
ved
0.5m
bet
a* w
ith g
ood
lifeti
me
after
ch
rom
atici
ty c
orre
ction
s
Back to Physics collision right aftermidnight
IP tr
ansf
er m
ap: T
epik
ian
V ac
dip
ole
setu
p: B
ai
APEX
RUN-14
Elens: Gu, Fischer, White, Luo, etc
Measured Orbit and Tune Shift
APEX
RUN-14
Elens: Gu, Fischer, White, Luo, etc
Summary
APEX
RUN-14
Momentum Aperture MeasurementAl, cait, chuyu, grd, Mei, Michiko, Yun
APEX
RUN-14
First Telescope Optics Squeeze for RHIC testGRD, Marusic, Shen, White, Luo, Tepikian, Bai
IP6: Beta*x,y=0.57m,0.57mIP8: Beta*x,y=0.62m,0.61m IP6: Beta*x,y=0.55m,0.43m
IP8: Beta*x,y=0.54m,0.53m
Au14-ats::beta60
Au14-ats::beta50DX aperture Scan at Injection
APEX
RUN-14
First Telescope Optics Squeeze for RHIC testGRD, Marusic, Shen, White, Luo, Tepikian, Bai
Au14-ats::beta60
APEX
RUN-14
First Telescope Optics Squeeze for RHIC testGRD, Marusic, Shen, White, Luo, Tepikian, Bai
APEX
RUN-14
First Telescope Optics Squeeze for RHIC testGRD, Marusic, Shen, White, Luo, Tepikian, Bai
Poor data quality due to lower bunch intensity
Au14-ats::beta50
APEX
RUN-14
DX Aperture ScanMarusic, Luo, Tepikian, Bai
Summary & Plan1. Full sets of data taken at injection Measurement done at injection after a dipole QLI2. Detailed data analysis is under waylikely beam began to loss at 1.6mrad ( half of maximum )3. May repeat this experiment once → one confirmation at injection → one confirmation at store