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

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Elens: Gu, Fischer, White, Luo, etc

Summary

APEX

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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

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First Telescope Optics Squeeze for RHIC testGRD, Marusic, Shen, White, Luo, Tepikian, Bai

Au14-ats::beta60

APEX

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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