With the FHC Zoffset is 850 cm. Pion+, pion- , neutron and anti-neutron are shot to the center of FHC, and the positions on the surface of FHC are (124,5,850), (124,-5,850). The energy of particles are 60 GeV and I digitized the energy for one count is 50 Mev.

  

 

          Fig1,  the geometry of the FHC and FMS is

    (1), pion+

•  the particle points to (124, 5, 850)

     (a) Fig2, the energy deposit in FMS.

     (b) Fig3, the energy deposit in FHC.

     (c) Fig4, the energy deposit in FMS+FHC.

     (d) Fig5, the energy deposit in FMS VS in FHC.

     (e) Fig6, the energy deposit in FHC event by event display.

     (f)  Fig7, Figthe energy weighted x,y positons in FHC.

     (g) Fig8, the RMS of x(y) distribution. 

     (h) Fig9, number of events VS the largest energy deposit in FHC of one hit and of one tower. The left pannel is for energy deposit of one hit and the right pannel is for energy deposit of one tower.

     (i) Fig10, number of events VS mutiplicity of FHC tower above 0.05 GeV, 0.25 GeV and 0.50 GeV.

     (j) Fig11, hadronic shower

      the left three plots from up to down is for

      1, hadronic shower starts in FMS, the energy deposit in FMS

      2, hadronic shower starts in FMS, the energy deposit in FHC

      3, hadronic shower starts in FHC, the energy deposit in FHC

   the right three plots is the transverse projection to xy plane for the related left plot.

•    the particle points to (124, -5, 850)

    (a) Fig12, the energy deposit in FMS.

    (b) Fig13, the energy deposit in FHC.

    (c) Fig14, the energy deposit in FMS+FHC.

    (d) Fig15, the energy deposit in FMS VS in FHC.

    (e) Fig16, the energy deposit in FHC event by event display.

    (f) Fig17, Figthe energy weighted x,y positons in FHC.

    (g) Fig18, the RMS of x(y) distribution. 

    (h) Fig19, number of events VS the largest energy deposit in FHC of one hit and of one tower. The left pannel is for energy deposit of one hit and the right pannel is for energy deposit of one tower.

      (i) Fig20, number of events VS mutiplicity of FHC tower above 0.05 GeV, 0.25 GeV and 0.50 GeV.

     (j) Fig21, hadronic shower

    the left three plots from up to down is for

    1, hadronic shower starts in FMS, the energy deposit in FMS

    2, hadronic shower starts in FMS, the energy deposit in FHC

    3, hadronic shower starts in FHC, the energy deposit in FHC

   the right three plots is the transverse projection to xy plane for the related left plot.

 

    (2), pion- 

•    the particle points to (124, 5, 850)

    (a) Fig22, the energy deposit in FMS.

    (b) Fig23, the energy deposit in FHC.

    (c) Fig24, the energy deposit in FMS+FHC.

    (d) Fig25, the energy deposit in FMS VS in FHC.

    (e) Fig26, the energy deposit in FHC event by event display.

    (f) Fig27, Figthe energy weighted x,y positons in FHC.

    (g) Fig28, the RMS of x(y) distribution. 

    (h) Fig29, number of events VS the largest energy deposit in FHC of one hit and of one tower. The left pannel is for energy deposit of one hit and the right pannel is for energy deposit of one tower.

    (i) Fig30, number of events VS mutiplicity of FHC tower above 0.05 GeV, 0.25 GeV and 0.50 GeV.

    (j) Fig31, hadronic shower

    the left three plots from up to down is for

    1, hadronic shower starts in FMS, the energy deposit in FMS

    2, hadronic shower starts in FMS, the energy deposit in FHC

    3, hadronic shower starts in FHC, the energy deposit in FHC

   the right three plots is the transverse projection to xy plane for the related left plot.

 

   (3), neutron

•    the particle points to (124, 5, 850)

    (a) Fig32, the energy deposit in FMS.

    (b) Fig33, the energy deposit in FHC.

    (c) Fig34, the energy deposit in FMS+FHC.

    (d) Fig35, the energy deposit in FMS VS in FHC.

    (e) Fig36, the energy deposit in FHC event by event display.

    (f) Fig37, Figthe energy weighted x,y positons in FHC.

    (g) Fig38, the RMS of x(y) distribution. 

    (h) Fig39, number of events VS the largest energy deposit in FHC of one hit and of one tower. The left pannel is for energy deposit of one hit and the right pannel is for energy deposit of one tower.

    (i) Fig40, number of events VS mutiplicity of FHC tower above 0.05 GeV, 0.25 GeV and 0.50 GeV.

    (j) Fig41, hadronic shower

    the left three plots from up to down is for

    1, hadronic shower starts in FMS, the energy deposit in FMS

    2, hadronic shower starts in FMS, the energy deposit in FHC

    3, hadronic shower starts in FHC, the energy deposit in FHC

   the right three plots is the transverse projection to xy plane for the related left plot.

   (4), anti-neutron  

•    the particle points to (124, 5, 850)

    (a) Fig42, the energy deposit in FMS.

    (b) Fig43, the energy deposit in FHC.

    (c) Fig44, the energy deposit in FMS+FHC.

    (d) Fig45, the energy deposit in FMS VS in FHC.

    (e) Fig46, the energy deposit in FHC event by event display.

    (f) Fig47, Figthe energy weighted x,y positons in FHC.

    (g) Fig48, the RMS of x(y) distribution. 

    (h) Fig49, number of events VS the largest energy deposit in FHC of one hit and of one tower. The left pannel is for energy deposit of one hit and the right pannel is for energy deposit of one tower.

    (i) Fig50, number of events VS mutiplicity of FHC tower above 0.05 GeV, 0.25 GeV and 0.50 GeV.

    (j) Fig51, hadronic shower

    the left three plots from up to down is for

    1, hadronic shower starts in FMS, the energy deposit in FMS

    2, hadronic shower starts in FMS, the energy deposit in FHC

    3, hadronic shower starts in FHC, the energy deposit in FHC

   the right three plots is the transverse projection to xy plane for the related left plot.

 

  For pion+ particles,

  the plots are in

 http://www.star.bnl.gov/protected/spin/xuanli/FHC/E_60_z_850/pi+/

  For pion- particles,

   the plots are in

 http://www.star.bnl.gov/protected/spin/xuanli/FHC/E_60_z_850/pi-/

  For neutron particles,

   the plots are in

 http://www.star.bnl.gov/protected/spin/xuanli/FHC/E_60_z_850/n/

   For anti-neutron particles,

   the plots are in

 http://www.star.bnl.gov/protected/spin/xuanli/FHC/E_60_z_850/anti-n/