2011 Reports

07 January 2011 Meeting

• Progress Reports:
  • Matt Posik: BB Cer pion rejection and ped shifts Media:posik_07012011.pdf‎
  • David Flay: LHRS Scintillators and Pion Rejector E/p Media:DF_LHRS_1_7_11.pdf
  • Diana Parno: BB E/p, preshower behavior Media:Parno2011_01_07.pdf‎

14 January 2011 Meeting

• Progress Reports:
  • Matt Posik: BB Particle ID and Stability (Cer TDCs, E/p) Media:posik_14012011.pdf‎
  • Diana Parno: BB Particle ID in Shower and Preshower Media:Parno2011_01_14.pdf

21 January 2011 Meeting

• Progress Reports:
  • Matt Posik: BB 4pass E/p Drop and Pre-Shower Cut Study Media:posik_21012011.pdf‎
  • David Flay: LHRS Analysis: Proton Energy Loss, Pion Rejector E/p, and Scintillator <math>\beta</math> Media:DF_LHRS_1_21_11.pdf
  • Diana Parno: BB study of outliers in E-p; E/p cut stability; BCM zero readings; Compton collimator misalignment Media:Parno2011_01_21.pdf

28 January 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: Kinematics, BCM Zeroes, and Scintillator Checks Media: DF_LHRS_1_28_11.pdf
  • Matt Posik: BB Analysis: Energy Cuts, Cer ADC Stability Media:posik_28012011.pdf
  • Diana Parno: BCM-zero stability; track/shower alignment in BB; bend plane cut; Compton errors Media:Parno2011_01_28.pdf‎

04 February 2011 Meeting

• Progress Reports
  • Matt Posik: BB Analysis: PreShower Cluster match to Track, 1-pass Stability (E/p Cer TDCs) Media:posik_04022011.pdf
  • Diana Parno: BB/LHRS helicity; Cut on rescattered particles; good electrons and Cerenkov Media:Parno2011_02_04.pdf
  • David Flay: LHRS Analysis: Data Quality, Kinematics, BCM Zeroes and Pion Rejector E/p Media:DF_LHRS_2_4_11.pdf

11 February 2011 Meeting

• Progress Reports
  • Diana Parno: BB Analysis: Final cut set, a couple of mysteries Media:Parno2011_02_11.pdf
  • David Flay: LHRS Analysis: Data Quality, Scalers, and Pion Rejector E/p Media:DF_LHRS_2_11_11.pdf

18 February 2011 Meeting

• Progress Reports
  • Matt Posik: BB Analysis: BB cer HV3 calib, BB cer low ADC events, 1pass 3He Asym. Media:posik_18022011.pdf
  • Diana Parno: BB: Collected charge, vertex dist, Cer cuts, E/p. Compton: Final results. Media:Parno2011_02_18.pdf
  • David Flay: LHRS Analysis: Scalers, Pion Rejector E/p and SAMC Media:DF_LHRS_2_18_11.pdf

25 February 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: Data Quality Media:LHRS_2_25_11.pdf
  • Matt Posik: BB Analysis: BB cer HV2 calib, 1pass BB mwdc t0/resid, 1pass 3He Asym. Media:posik_25022011.pdf
  • Diana Parno: BB Analysis: E/p modeling; production asymmetries. Target: Polarization, N2 dilution. Media:Parno2011_02_25.pdf

11 March 2011 Meeting

• Progress Reports
  • Diana Parno: Production Asymmetries Media:Parno2011_03_11.pdf
  • Matt Posik: BigBite 1-pass 3He MWDC and Asymmetries Media:posik10032011.pdf
  • David Flay: LHRS Analysis: Data Quality and SAMC Media:DF_LHRS_3_11_11.pdf

18 March 2011 Meeting

• Progress Reports
  • Diana Parno: Loose ends Media:Parno2011_03_18.pdf
  • Matt Posik: 1pass mwdc residual issue and asym error check Media:posik_18032011.pdf

25 March 2011 Meeting

• Progress Reports
  • Matt Posik: 4pass mwdc stability and 4-pass asym Media:posik_25032011.pdf
  • David Flay: LHRS Analysis: Triggers, Live Time and VERY Preliminary Raw 3He Cross Sections Media:DF_LHRS_3_25_11.pdf

01 April 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: SAMC and Acceptance Cut Study Media:DF_LHRS_4_1_11.pdf
  • Matt posik: BB Analysis: 4pass sh/E/Cer cuts on 4pass asy,Delta asy and N2 Dilution Media: posik_01012011.pdf

08 April 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: SAMC and Acceptance Cut Study (Reprise) and Updated Raw 3He Cross Sections Media:DF_LHRS_4_8_11.pdf
  • Matt Posik: BB Analysis: 4-pass N2 Dilution, A_par,A_perp and positive polarityMedia:posik_08042011.pdf

15 April 2011 Meeting

• Progress Reports
  • Matt Posik: BB Analysis: Positive polarity Energy and N2 Dilution Fix Media:posik_15042011.pdf
  • Diana Parno: N2 Dilution; background modeling Media:Parno2011_04_15.pdf

18 April 2011 Meeting

• Progress Reports
  • David Flay: SAMC and Acceptance Studies Media:DF_LHRS_4_18_11.pdf

21 April 2011 Meeting

• Progress Reports
  • Matt Posik: BigBite Analysis:Negative and Positive Polarity Cuts Media:posik21042011.pdf

6 May 2011 Meeting

• Progress Reports
  • Diana Parno: Final Thesis Results; 6-GeV Helicity Studies Media:Parno2011_05_06.pdf
  • Matt Posik: BigBite Positron Analysis, Cerenkov Mirror KinematicsMedia:posik_06052011.pdf
  • David Flay: Experimental 3He Cross Sections and Systematic Errors for Selected Cuts Media:DF_LHRS_5_6_11.pdf

12 May 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: Acceptance: Aperture and Target Cut Studies and Narrow Bin Study Media:DF_LHRS_5_12_11.pdf

19 May 2011 Meeting

• Progress Reports
  • Matt Posik: BigBite Analysis: Positron E/p Cuts, Asymmetries and g1/g2 signsMedia:posik_19052011.pdf
  • David Flay: LHRS Analysis: Acceptance and Systematic Errors Media:DF_LHRS_5_19_11.pdf

26 May 2011 Meeting

• Progress Reports
  • Matt Posik: BigBite Analysis: Outlier event counts,event distributions and gapsMedia:posik_26052011.pdf

2 June 2011 Meeting

• Progress Reports
  • Diana Parno: Building Blocks for Neutron Extraction Media:Parno_2011_06_02.pdf

16 June 2011 Meeting

• Progress Reports:
  • Matt Posik: Positron Analysis and LHRS binning Media:posik_16062011.pdf
  • David Flay: LHRS Analysis: Cross Section Corrections Media:DF_LHRS_6_16_11.pdf

23 June 2011 Meeting

• Progress Reports:
  • David Flay: LHRS Analysis: The Elastic Radiative Tail and Correcting For Background Processes Media:DF_LHRS_6_23_11.pdf
  • Diana Parno: Nuclear Shadowing and Antishadowing in the Extraction of A1n Media:Parno_2011_06_23.pdf

30 June 2011 Meeting

• Progress Reports:
  • Gregg Franklin: Sample Events from Geant4 BigBite Simulation Media:Franklin_Geant4_06_30_11_.pdf

14 July 2011 Meeting

• Progress Reports:
  • Matt Posik: Very Prelim. 3He g1 and g2Media:posik_14072011.pdf
  • David Flay: LHRS Analysis: Acceptance Studies and Radiative Corrections Media:DF_LHRS_7_14_11.pdf
  • Gregg Franklin: Vahe's GEANT4 simulastionMedia:Vahe_pizero_reconstruction.pdf

21 July 2011 Meeting

• Progress Reports:
  • Diana Parno: Progress on Neutron Extraction Media:Parno_2011_07_21.pdf
  • Matt Posik: BigBite Analysis: Very Prelim. g2WW, 4pass Kinematic Analysis and 4pass Data to Tape Media:posik_21072011.pdf
  • David Flay: LHRS Analysis: Updated Cross Sections and Radiative Correction Tests Media:DF_LHRS_7_21_11.pdf

28 July 2011 Meeting

• Progress Reports:
  • Matt Posik: BigBite Analysis: LHRS and BB Scattering Angle Comparison and LHRS Binned Asy. Media:posik_28072011.pdf(Updated asymmetries, now have N2 dilution factor.)

11 August 2011 Meeting

• Progress Reports:
  • Matt Posik: BigBite Analysis: BB Scattering AngleMedia:posik_11082011.pdf

17 August 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: Systematic Error Study for Target Variables Media:DF_LHRS_8_17_11.pdf
  • Matt Posik: BB Analysis:Asymmetries in LHRS/BB bins, PolRad UpdateMedia:posik_17082011.pdf

24 August 2011 Meeting

• Progress Reports
  • Matt Posik: BB Analysis:4/5 Pass Run Stats.Media:posik_24082011.pdf
  • Diana Parno: Binned Kinematics Check (4.7-GeV Data) Media:Parno_2011_08_24.pdf‎

01 September 2011 Meeting

• Progress Reports:
  • David Flay: LHRS Analysis: QFS Modeling of Data Media:DF_LHRS_9_1_11.pdf

22 September 2011 Meeting

• Progress Reports
  • David Flay: Radiative Correction Phase-Space Plots, Cross Sections and <math>e^{+}/e^{-}</math> Ratios Media:DF_LHRS_9_22_11.pdf
  • Matt Posik: BB 4-Pass Total Asymmetry Stability and 5-Pass S=0 Data Quality Media:posik_22092011.pdf
  • Diana Parno: BB 5.9-GeV replay progress Media:Parno_2011_09_22.pdf‎

28 September 2011 Meeting

• Progress Reports
  • Matt Posik: 5pass S=0 E/p cal,Cer and PSum cuts and S=90 data stabilityMedia:posik_28092011.pdf

06 October 2011 Meeting

Meeting will start at 3pm instead of 2:30pm today!

• Progress Reports
  • Matt Posik: 5pass S=0 Final Cuts and S=90 Data Stability UpdateMedia:posik_06102011.pdf

11 October 2011 Meeting

• Progress Reports
  • Matt Posik: Uncalibrated 5-Pass MWDC StabilityMedia:posik_07102011.pdf

20 October 2011 Meeting

• Progress Reports
  • Matt Posik: 5-Pass MWDC S=0,90 StabilityMedia:posik_20102011.pdf

27 October 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: Data Modeling and Radiative Correction Studies Media:DF_LHRS_10_27_11.pdf
  • Matt Posik: Misc/inelastic event ratios and 5-Pass Momentum StabilityMedia:posik_27102011.pdf
  • Diana Parno: 5.9-GeV replay/skim status Media:Parno_2011_10_27.pdf

03 November 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: Data Modeling Update Media:DF_LHRS_11_3_11.pdf
  • Matt Posik: 4-Pass BB Live Times and 5-Pass Energy CalibrationMedia:posik_03112011.pdf

10 November 2011 Meeting

• Progress Reports
  • David Flay: LHRS Analysis: Data Modeling Update Media:DF_LHRS_11_10_11.pdf
  • Matt Posik: 4-Pass BB e+/e- w/Live Time and 5-Pass Data Qual. UpdateMedia:posik_10112011.pdf

22 November 2011 Meeting

• Vahe Mamyan: Big Bite geant4 simulation. Negative pion contamination Media:bbsimulation_new.pdf.
• David Flay: LHRS Analysis: <math>e^{+}/e^{-}</math> Ratio Update Media:DF_LHRS_11_22_11.pdf

01 December 2011 Meeting

• Matt Posik: BB Analysis: <math>e^{+}/e^{-}</math> Ratios (small p bins) and Cer ADC Cuts on Pre-Shower Media:posik_01122011.pdf
• Vahe Mamyan: Comparison of in plane angle distribution Media:bbsimulation_1.pdf.

08 December 2011 Meeting

• Vahe Mamyan: Pion contamination Media:pion_contamination1.pdf.
• Matt Posik: BB Out of plane angle and 5pass TDC Cuts Media:posik_08122011.pdf