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
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