The paper is available here.
arXiv:1506.09173, LHCB-PAPER-2015-002
More detailed informationLHCb-ANA-2013-081
Caption | Figure |
---|---|
Figure 1: Number of CMSP candidates, as a function of the four variables used as inputs to the ANN. The black dots with error bars show the 2012 data. The dashed red histogram is the expected shape for 124 GeV/c^{2} CMSPs and the blue histogram shows the background from Z/γ decays into muons. The energy in the VELO is given in units of minimum ionising particle (MIP) deposition. The first bin of the histogram for ∆E in the ECAL has been multiplied by a factor 0.25. | |
Figure 2: Number of CMSP pairs, N , as a function of the pair significance corresponding to the CMSP mass of 124 GeV/c^{2}, respectively. The black points with their statistical uncertainty show the 7 TeV (top) and 8 TeV (bottom) data sets. The red dashed histogram is the expected shape from CMSP pairs and the blue histogram the background; both are normalised to the number of events. The arrows indicate the chosen selection criteria. | |
Figure 2 cont: Number of CMSP pairs, N , as a function of the pair significance corresponding to the CMSP mass of 309 GeV/c^{2}. The black points with their statistical uncertainty show the 7 TeV (top) and 8 TeV (bottom) data sets. The red dashed histogram is the expected shape from CMSP pairs and the blue histogram the background; both are normalised to the number of events. The arrows indicate the chosen selection criteria. | |
Figure 3: (top) DLLx distributions from muons selected from Z decays in data (black points) and simulation (blue histogram). The expected shape from a 124 GeV/c^{2} CMSP is shown in dashed red. (bottom) The simulated DLLx values are shifted in such a way that data and simulation have the same fraction of entries with DLLx > −5. | |
Figure 4: The DLLx variable for: (top) protons selected above the Cherenkov threshold, p > 30 GeV/c, in data (black line) and simulation (blue points); (middle) and (bottom) below-threshold protons, p < 3.8 GeV/c, from data and simulation, respectively. The results from the fit of a Gaussian function plus polynomial to the below-threshold proton distributions are shown by the red curves. | |
Figure 5: DLLx for protons with p < 3.8 GeV/c. In black the result with nominal simulation parameters are shown. (top) The red, dashed, and green, dash-dot, plots are for a change by +20% and -20% of the photon yield; (bottom) is for a change by +40% (red, dashed) and -40% (green, dash-dot) of the random noise probability. | |
Figure 6: Upper limits at 95% CL on the cross-sections for the pair production of CMSPs in the LHCb acceptance (points) and the corresponding predictions assuming the Drell-Yan production of τ (bands representing ±1σ uncertainty) with SPS7 parameters, for pp collisions as a function of the CMSP mass at √s =7 and 8 TeV. |
I | Attachment | History | Action | Size | Date | Who | Comment |
---|---|---|---|---|---|---|---|
eps | fig1_dllx.eps | r1 | manage | 94.8 K | 2015-08-13 - 15:50 | KatharinaMueller | |
fig1_dllx.pdf | r1 | manage | 10.0 K | 2015-08-13 - 15:50 | KatharinaMueller | ||
png | fig1_dllx.png | r1 | manage | 93.3 K | 2015-08-13 - 15:50 | KatharinaMueller | |
eps | fig1_ecal.eps | r1 | manage | 97.4 K | 2015-08-13 - 15:50 | KatharinaMueller | |
fig1_ecal.pdf | r1 | manage | 11.7 K | 2015-08-13 - 15:50 | KatharinaMueller | ||
png | fig1_ecal.png | r1 | manage | 114.6 K | 2015-08-13 - 15:50 | KatharinaMueller | |
eps | fig1_hcal.eps | r1 | manage | 98.0 K | 2015-08-13 - 15:50 | KatharinaMueller | |
fig1_hcal.pdf | r1 | manage | 12.1 K | 2015-08-13 - 15:50 | KatharinaMueller | ||
png | fig1_hcal.png | r1 | manage | 118.7 K | 2015-08-13 - 15:50 | KatharinaMueller | |
eps | fig1_velo.eps | r1 | manage | 94.7 K | 2015-08-13 - 15:51 | KatharinaMueller | |
fig1_velo.pdf | r1 | manage | 10.3 K | 2015-08-13 - 15:51 | KatharinaMueller | ||
png | fig1_velo.png | r1 | manage | 100.8 K | 2015-08-13 - 15:51 | KatharinaMueller | |
eps | fig2_124_7tev.eps | r1 | manage | 95.3 K | 2015-08-13 - 15:51 | KatharinaMueller | |
fig2_124_7tev.pdf | r1 | manage | 9.9 K | 2015-08-13 - 15:51 | KatharinaMueller | ||
png | fig2_124_7tev.png | r1 | manage | 93.4 K | 2015-08-13 - 15:51 | KatharinaMueller | |
eps | fig2_124_8tev.eps | r1 | manage | 95.7 K | 2015-08-13 - 15:51 | KatharinaMueller | |
fig2_124_8tev.pdf | r1 | manage | 24.3 K | 2015-08-13 - 15:51 | KatharinaMueller | ||
png | fig2_124_8tev.png | r1 | manage | 92.4 K | 2015-08-13 - 15:51 | KatharinaMueller | |
eps | fig2_309_7tev.eps | r1 | manage | 94.7 K | 2015-08-13 - 15:52 | KatharinaMueller | |
fig2_309_7tev.pdf | r1 | manage | 23.3 K | 2015-08-13 - 15:52 | KatharinaMueller | ||
png | fig2_309_7tev.png | r1 | manage | 90.5 K | 2015-08-13 - 15:52 | KatharinaMueller | |
eps | fig2_309_8tev.eps | r1 | manage | 95.2 K | 2015-08-13 - 15:52 | KatharinaMueller | |
fig2_309_8tev.pdf | r1 | manage | 24.1 K | 2015-08-13 - 15:52 | KatharinaMueller | ||
png | fig2_309_8tev.png | r1 | manage | 93.6 K | 2015-08-13 - 15:52 | KatharinaMueller | |
eps | fig3_a.eps | r1 | manage | 100.2 K | 2015-08-13 - 15:53 | KatharinaMueller | |
fig3_a.pdf | r1 | manage | 13.1 K | 2015-08-13 - 15:53 | KatharinaMueller | ||
png | fig3_a.png | r1 | manage | 111.4 K | 2015-08-13 - 15:53 | KatharinaMueller | |
eps | fig3_b.eps | r1 | manage | 99.5 K | 2015-08-13 - 15:53 | KatharinaMueller | |
fig3_b.pdf | r1 | manage | 12.5 K | 2015-08-13 - 15:53 | KatharinaMueller | ||
png | fig3_b.png | r1 | manage | 93.7 K | 2015-08-13 - 15:53 | KatharinaMueller | |
eps | fig4_a.eps | r1 | manage | 94.2 K | 2015-08-13 - 15:53 | KatharinaMueller | |
fig4_a.pdf | r1 | manage | 9.0 K | 2015-08-13 - 15:53 | KatharinaMueller | ||
png | fig4_a.png | r1 | manage | 75.6 K | 2015-08-13 - 15:53 | KatharinaMueller | |
eps | fig4_b.eps | r1 | manage | 92.5 K | 2015-08-13 - 15:53 | KatharinaMueller | |
fig4_b.pdf | r1 | manage | 10.7 K | 2015-08-13 - 15:53 | KatharinaMueller | ||
png | fig4_b.png | r1 | manage | 71.2 K | 2015-08-13 - 15:53 | KatharinaMueller | |
eps | fig4_c.eps | r1 | manage | 92.6 K | 2015-08-13 - 15:53 | KatharinaMueller | |
fig4_c.pdf | r1 | manage | 8.2 K | 2015-08-13 - 15:53 | KatharinaMueller | ||
png | fig4_c.png | r1 | manage | 76.5 K | 2015-08-13 - 15:53 | KatharinaMueller | |
eps | fig5_a.eps | r1 | manage | 92.6 K | 2015-08-13 - 15:53 | KatharinaMueller | |
fig5_a.pdf | r1 | manage | 8.4 K | 2015-08-13 - 15:53 | KatharinaMueller | ||
png | fig5_a.png | r1 | manage | 88.5 K | 2015-08-13 - 15:53 | KatharinaMueller | |
eps | fig5_b.eps | r1 | manage | 92.6 K | 2015-08-13 - 15:54 | KatharinaMueller | |
fig5_b.pdf | r1 | manage | 8.2 K | 2015-08-13 - 15:54 | KatharinaMueller | ||
png | fig5_b.png | r1 | manage | 86.4 K | 2015-08-13 - 15:54 | KatharinaMueller | |
eps | fig6.eps | r1 | manage | 93.2 K | 2015-08-13 - 15:54 | KatharinaMueller | |
fig6.pdf | r1 | manage | 8.4 K | 2015-08-13 - 15:54 | KatharinaMueller | ||
png | fig6.png | r1 | manage | 123.2 K | 2015-08-13 - 15:54 | KatharinaMueller |