apex run-14 apex schedule april 1, 2014 8:00am store elens commissioning gu, fischer, luo, simon...
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APEXRUN-14
APEX Schedule April 1, 20148:
00am
Store
Elens commissioningGu, Fischer, Luo, Simon
10:0
0am
4:30
pm
2:00
pm
AC d
ipol
e se
tup
Bai
Mom
entu
m A
pert
ure
mea
sure
men
tLu
o
Injection
8:00
pm
Injection
DA
mea
sure
men
t w
ith
2.5G
eV w
orki
ng p
oint
Mon
tagu
e
10:0
0pm
Back
2Phy
sics
Coup
ling
mat
rix
mea
sure
men
tTe
piki
an
Injection
5:30
pm
ATS preparationGRD, Simon, Bai, Al
Store
Inje
ctio
n
12:0
0pm
Inje
ctio
nD
X Ap
ertu
re S
can
Luo,
Tep
ikia
n, A
l, Ba
i
11:0
0pm
APEXRUN-14
APEX OverviewDA
with
2.5
GeV
wor
king
poi
nt In
jecti
on, M
onta
gN
o da
ta d
ue to
mai
n po
wer
supp
ly 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(
TOR)
test
GRD,
Luo
, Whi
te, S
hen,
Bai
• Ach
ieve
d 0.
6m b
eta*
at b
oth
IPs i
n Bl
ue 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 a
pert
ure
scan
Luo,
Mar
usic
, Bai
, Tep
ikia
n, W
hite
Firs
t Tel
esco
pe O
ptics
Squ
eeze
for R
HIC(
TOR)
test
GRD,
Luo
, Whi
te, S
hen,
Bai
• Ach
ieve
d 0.
5m b
eta*
with
goo
d lif
etim
e aft
er
chro
mati
city
cor
recti
ons
Back to Physics collision right aftermidnight
IP tr
ansf
er m
ap: T
epik
ian
V ac
dip
ole
setu
p: B
ai
APEXRUN-14
Elens: Gu, Fischer, White, Luo, etc
Measured Orbit and Tune Shift
APEXRUN-14
Elens: Gu, Fischer, White, Luo, etc
Summary
APEXRUN-14
Momentum Aperture MeasurementAl, cait, chuyu, grd, Mei, Michiko, Yun
APEXRUN-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::beta60Au14-ats::beta50
DX aperture Scan at Injection
APEXRUN-14
First Telescope Optics Squeeze for RHIC testGRD, Marusic, Shen, White, Luo, Tepikian, Bai
Au14-ats::beta60
APEXRUN-14
First Telescope Optics Squeeze for RHIC testGRD, Marusic, Shen, White, Luo, Tepikian, Bai
APEXRUN-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
APEXRUN-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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