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    User name Rouven Essig

    Log entry time 11:54:04 on July 09, 2010

    Entry number 331093

    Followups:

    keyword=Summary of Optics Runs

    
    Summary of Optics Running   7/8/2010 & 7/9/2010
    
    w/ one-pass beam
    
    raster 4x4 MCC units (if ON)
    
    Run-No.	Target		Current 	Sieve		# Events 	Raster	BPM       p (MeV)        
    Comments
    				(uA)		(IN/Out)			(ON/Off)
    
    1879		Ta		0.5		Out		~400K	Off               	(4,2)       1160          
    1880		Ta		0.5		Out		~1M		Off               	(4,2)       1160
    1881		Ta		0.5		Out		~600K  	Off                	(4,2)       1160          Beam moved 
    during run, so maybe not all events useable
    1883		Optics		~0.035	Out		~211K	Off                	(4,2)       1160
    1884		Optics		~0.035	Out		~1M		Off               	(4,2)       1160
    1889		Optics		3.0		Out		~90K		ON               	(3,-1)      1160         
    Spot++ Run; looks good
    1890		Optics		3.0		Out		~420K	ON               	(3,-1)      1160         80% 
    dead-time !!!  pre-scales changed for next run
    1894		Optics		0.5		Out		~402K	ON               	(3,-1)     1160          tuned; 
    current lowered; dead-time still high (73%); 
    1895		Ta		0.5		Out		~504K	ON               	(3,-1)     1160          CW;
    
    1896		Ta		2.0		IN		~1M		ON               	(3,-1)     1160          CW;
    1897		Ta		2.0		IN		~1M		ON	  	(3,-1)     1160          CW 
    1898		Ta		2.0		IN		~1M		Off                	(3,-1)     1160          CW 
    1899		Ta		2.0		IN		~1M		Off                	(3,-1)     1160          CW 
    1901		Optics		2.0		IN		~607K	Off                	(3,-1)     1160          CW 
    1902		Optics		2.0		IN		~500K	Off                	(3,-1)     1160          CW 
    1903		Optics		2.0		IN		~500K	Off                	(3,-1)     1160          CW 
    1904		Optics		2.0		IN		~244K	Off                	(3,-1)     1160          CW;   T1 
    trigger only;
    1905		Optics		2.0		IN		~500K	ON                	(3,-1)     1160          CW;   
    raster on
    1906		Optics		2.0		IN		~500K	ON                	(3,-1)     1160          CW  
    
    1907		Optics		2.0		IN		~500K	ON                	(3,-1)     1138.3       CW;   
    momentum change;
    1908		Optics		2.0		IN		~500K	ON                	(3,-1)     1138.3       CW 
    1909		Optics		2.0		IN		~500K	Off                	(3,-1)     1138.3       CW;  
    raster off
    1910		Optics		1.0		IN		~500K	Off                	(3,-1)     1138.3       CW;   
    Note change in current + pre-scale.
    1911		Ta		2.0		IN		~500K	Off                	(3,-1)     1138.3       CW;   
    switched target
    1912		Ta		2.0		IN		~500K	Off                	(3,-1)     1138.3       CW  
    1913		Ta		2.0		IN		~500K	Off                	(4,2)      1138.3       CW;   
    changed BPM; beam trip during run
    1914		Ta		2.0		IN		~300K	Off                	(4,2)      1138.3       CW 
    1915		Ta		2.0		IN		~500K	ON                	(3,-1)      1138.3       CW;  raster 
    on
    1916		Ta		2.0		IN		~500K	ON                	(3,-1)      1138.3       CW  
    
    1917		Ta		2.0		IN		~500K	ON                	(3,-1)      1115.0       CW;   
    momentum change;
    1918		Ta		2.0		IN		~500K	ON                	(3,-1)      1115.0       CW  
    1919		Ta		2.0		IN		~500K	Off                	(3,-1)      1115.0       CW;  raster 
    off
    1920		Ta		2.0		IN		~500K	Off                	(3,-1)      1115.0       CW  
    1921		Optics		1.0		IN		~500K	Off                	(3,-1)      1115.0       CW;  
    current and target change;
    1922		Optics		1.0		IN		~500K	Off                	(3,-1)      1115.0       CW 
    1924		Optics		1.0		IN		~500K	ON                	(3,-1)      1115.0       CW;  
    raster on
    1925		Optics		1.0		IN		~500K	ON                	(3,-1)      1115.0       CW 
    
    1926		Ta		0.5		Out		~500K	ON                	(3,-1)      1115.0 (LEFT ONLY)       
    CW  only taking data for L-HRS (R-HRS has 1160);
    1927		Ta		0.5		Out		~500K	Off                	(3,-1)      1115.0 (LEFT ONLY)       
    CW  only taking data for L-HRS (R-HRS has 1160); 
    1928		Optics		0.3		Out		~500K	Off                	(3,-1)      1115.0 (LEFT 
    ONLY)       CW  only taking data for L-HRS (R-HRS has 1160); 
    1930		Optics		0.3		Out		~500K	ON                	(3,-1)      1115.0 (LEFT 
    ONLY)       CW  only taking data for L-HRS (R-HRS has 1160); 
    
    1935		Optics		0.3		Out		~500K	ON                	(3,-1)      1160       CW;  
    (taking data on both arms again);
    1936		Optics		0.3		Out		~500K	ON                	(3,-1)      1160       CW 
    1937		Optics		0.3		Out		~500K	Off                	(3,-1)      1160       CW;   
    raster off
    1938		Optics		0.3		Out		~500K	Off                	(3,-1)      1160       CW  
    1939		Ta		0.5		Out		~500K	Off                	(3,-1)      1160       CW; pre-
    scale on RHRS too high; target change;
    1940		Ta		0.5		Out		~500K	Off                	(3,-1)      1160       CW  
    1941		Ta		0.5		Out		~500K	Off                	(3,-1)      1160       CW  
    1942		Ta		0.5		Out		~500K	ON                	(3,-1)      1160       CW  
    
    1944		Ta		1.0		Out		~500K	Off                	(3,-1)      1045. 4  CW;  -10% 
    momentum
    1945		Ta		1.0		Out		~500K	Off                	(3,-1)      1045. 4  CW 
    1946		Ta		1.0		Out		~500K	ON                	(3,-1)      1045. 4  CW
    1947		Ta		1.0		Out		~500K	ON                	(3,-1)      1045. 4  CW
    1948		Optics		1.0		Out		~500K	ON                	(3,-1)      1045. 4  CW; 
    optics target
    1949		Optics		1.0		Out		~500K	Off                	(3,-1)      1045. 4  CW
    
    1950		Optics		1.0		IN		~500K	Off                	(3,-1)      1045. 4  CW; sieve 
    in
    1951		Optics		1.0		IN		~500K	Off                	(3,-1)      1045. 4  CW;
    1952		Optics		1.0		IN		~500K	Off                	(3,-1)      1045. 4  CW;
    1953		Optics		1.0		IN		~500K	ON                	(3,-1)      1045. 4  CW; 
    raster on
    1954		Ta		2.0		IN		~500K	Off                	(3,-1)      1045. 4  CW; Ta target
    1955		Ta		2.0		IN		~500K	Off                	(3,-1)      1045. 4  CW; 
    1956		Ta		2.0		IN		~500K	Off                	(3,-1)      1045. 4  CW; includes 
    some T6 trigger;
    1957	 Ta		2.0		IN		~500K	ON                	(3,-1)      1045. 4  CW; includes 
    some T6 trigger;
    
    


    A copy of this log entry has been emailed to: jinhuang@jlab.org,vasulk@jlab.org