TASK B1 OVERVIEW Y.ONEL Y.ONEL DOE SITE VISIT Dec 10-11, 2001 I) E781 II) CMS FORWARD CALORIMETRY

TEAM MEMBERS WHO CONTRIBUTED TO I or/and II U.AKGUN, GRADUATE STUDENT S.AYAN, GRADUATE STUDENT P.BRUECKNEN, QUARK-NET TEACHER M.KAYA, GRADUATE STUDENT (Ph.D 2001, Asst. Prof., Kars University, Turkey) A.KOCBAY, GRADUATE STUDENT E.MCCLIMENT, PROFESSOR M.MILLER, ELECTRONICS ENGINEER K.NELSON, GRADUATE STUDENT (Ph.D 1999, University of Alabama) Y.ONEL, PROFESSOR E.OZEL, GRADUATE STUDENT (M.Sc. 1998, University of Kansas) S.OZKORUCUKLU, GRADUATE STUDENT (Ph.D 2001, Asst. Prof., S.Demirel University, Turkey) P.POGODIN, GRADUATE STUDENT (Ph.D. 1999, Sun Computer Systems, California) I.SCHMIDT, MECHANICAL ENGINEER A.TAUKE, UNDERGRADUATE PRESIDENTIAL SCHOLAR (U of California, Santa Barbara)

NEW TEAM MEMBERS Alexi Mestvirishvili [Perugia, Italy/CERN] Ed Norbeck [CMS Heavy Ions] Chris Like [Quarknet Teacher] Ron Newland [Quarknet Teacher] Jonathan Olson, Undergraduate Student

I) E781 responsibilities A) HARDWARE M1 AND M3 SPECTROMETERS (NO DOE SUPPORT) SCIFI HODOSCOPE WITH MULTIANODE PMT'S ( NO DOE SUPPORT) M1 WAS CRUCIAL DETECTOR ( INCREASED CHARM PRODUCTION BY FACTOR 2) DETECTORS WORKED WELL (>95 % EFFICIENCY), MAINTAINED OVER TWO YEARS OF RUNNING PERIOD ( NO DOE SUPPORT) DRAFT NIM PAPERS (2) DRAFT PHYS REV. LETTERS PAPERS (3) B) ANALYSIS B) ANALYSIS SERVICE ANALYSIS (Akgun, Ayan, Kaya, Ozkorucuklu) PRODUCTION POLARIZATION OF THE  + WITH 800 GEV PROTONS ON CU AND BE TARGETS. P.POGODIN, PHD THESIS, 1999, (Y.ONEL, E.MCCLIMENT ADVISORS) (DRAFT PAPER IS READY AND SUBMITTED TO THE SELEX COMMITTEE)

E781 Setup

M1PWC&M1DC

Charm Plots

INCLUSIVE  0 POLARIZATION PRODUCED BY A 610 GEV  - BEAM K.NELSON, PHD THESIS, 1999, (E.MCCLIMENT,YONEL ADVISORS) (DRAFT PAPER IS READY AND SUBMITTED TO THE SELEX COMMITTEE) D s CHARGE ASYMMETRY OF STRANGE D s MESON PRODUCTION WITH HYPERON BEAM M. KAYA, Ph.D THESIS, 2001 (Y. ONEL ADVISOR) (DRAFT PAPER IS READY AND SUBMITTED TO THE SELEX COMMITTEE) K/л CHARGED K/л FLUX PRODUCTION RATIOS WITH , , AND p ON CARBON AND COPPER TARGETS S. OZKORUCUKLU, Ph.D THESIS, 2001 (Y. ONEL ADVISOR) MAGNETIC FIELD VALUES OF THE E781 SPECTROMETERS E.OZEL, M.SC THESIS DEC ANALYSIS OF 2 nd PASS DATA U. AKGUN, A. AYAN, A. KOCBAY (HAREWARE CMS, PHYSICS ANALYSIS E781) AKGUN AND AYAN HAVE PASSED “QUALIFIER” AND “ COMPS” AKGUN [LIFETIME MEASUREMENT ON  C +,  C 0,  C - ] AYAN [  C 0 PRODUCTION STUDIES]

Spin Physics with E781

 c +  c 0  c + &  c 0 Search in E781 Selex Experiment Monte Carlo study has been done for the decay following modes of  c 0 :  c 0   -  -  +  +  c 0   -  +  c +   0  -  +  +  c +   -  +  +  c +   +  -  + with  +  p +  0 with  +  p +  0 and  +  n 0  + and  +  n 0  + Reconstruction efficiencies have been calculated.

 c +  c 0  c + &  c 0 Search in E781 Selex Experiment  c +, Currently  -  +  + and  + K -  + decay channels for  c +,  -  + and  -  -  +  + decay channels for  c 0 are being studied. Lifetime calculations will be made for these events.

 c 0 Search in E781 Selex Experiment Monte Carlo study has been done for the decay following modes of  c 0 :  -  +  -  -  +  +  - K -  +  +  + K - K -  + Reconstruction efficiencies have been calculated.

 c 0 Search in E781 Selex Experiment Currently  - K -  +  + and  + K - K -  + decay channels are being studied.  -  + and  -  -  +  + channels will also be investigated.

II) CMS - HF IOWA HAS MAJOR MANAGEMENT AND CONSTRUCTION RESPONSIBILITIES IN THE CMS HF AND HB. MOU'S ARE SIGNED BETWEEN FERMILAB AND UI SOW'S ARE PREPARED FOR EACH YEAR USING LEHMAN APPROVED PROJECT FILES (MPO'S) Y.ONEL U.S COORDINATOR, USCMS EXEC.BOARD MEMBER AND PROJECT MANAGER FOR PHOTODETECTORS [L3] E.MCCLIMENT US TRIG/DAQ INSTITUTIONAL BOARD MEMBER SEVERAL PROTOTYPES HAVE BEEN BUILT AT IOWA PRIOR TO PPP1 [EM 96, RADDAM 98]

CMS HF PPP1 AT IOWA AND CERN ( APRIL-SEPTEMBER 99) TEST BEAM SEPT 99 ( SEVEN IOWA TEAM MEMBERS PARTICIPATED) INTERNATIONAL MILESTONE HF PRR FOR PMT AND FIBERS HF EDR MARCH 2001 HF ABSORBER PRODUCTION IN OCTOBER 2001 HF PROCUREMENT FOR PMT AND FIBERS BEGAN NOVEMBER 2001 (INTERNATIONAL MILESTONES) HF NEW SCHEDULE HF UI RESPONSIBILITIES (HF PHOTODETECTORS, INCLUDING PMT OPTICAL TEST STATIONS CONSTRUCTION AND TESTING, HF CALIBRATION SYSTEM (LED, SOURCE), HB LED, (1/2)HF OPTICS, (FIBERS QP), RADIATION DAMAGE, INTERGRATION ENGINEERING, AND INTERNATIONAL RELATIONS AND PHYSICS AND TRIGGER SIMULATIONS)

OTHER RELATED ACTIVITIES ANALYSIS OF TEST RUN DATA ANALYSIS OF RADDAM 98 TEST RUN DATA LED/PID -PD SYSTEM DEVELOPMENT FOR HF/HB RADIATION DAMAGE STUDIES ON SINGLE QUARTZ FIBERS AT LIL/CERN (IOWA TEST FACILITY-NO DOE FUNDS INITIALLY)

CMS DETECTORS

Higgs Search

Missing E t and η in HF

Raddam ‘98 Module

IOWA LIL-CERN Radiation Damage Facility

CMS-HF PPP1

HF READOUT BOX & OPTICS DESIGN

HF PUBLICATIONS 1- NIM A 406, , NIM A 408, , NIM A 411, 17-30, NIM A 409, , NUCL.PHYS B510,3-11, AIP, /98 7- NIM A (TO BE SUBMITTED) 8-SEVERAL CMS TECHNICAL NOTES MORE INFO AT IOWA HEP WEB PAGE:

Progress

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