1 00:00:01,500 --> 00:00:06,990 OK sorry. So it's a pleasure for me to present the highlights and perspectives from ATLAS. And 2 00:00:07,020 --> 00:00:12,270 okay we have a superb data set with 139 inverse femtobarn good for physics at the 3 00:00:12,270 --> 00:00:16,830 highest center of mass energy up to now. And in addition, we have some extra data 4 00:00:16,830 --> 00:00:22,080 with heavy ions: lead lead, proton lead and xenon xenon, some high beta star 5 00:00:22,080 --> 00:00:29,190 measurements and some low pileup. We have a 94% data taking efficiency of which 95% 6 00:00:29,220 --> 00:00:34,140 are good for physics. The total luminosity is already known preliminarily with a 7 00:00:34,140 --> 00:00:41,280 precision of 1.7%. And we have already 57 public results with the full run two 8 00:00:41,280 --> 00:00:47,430 data set among which 36 are papers and in this talk I will completely concentrate on full 9 00:00:47,430 --> 00:00:53,970 run two results. Let me start with a few words on detector performance. So, the 10 00:00:53,970 --> 00:00:58,290 reconstruction of physics object, which means electron, muons, taus, jets and so on, 11 00:00:58,470 --> 00:01:03,540 is precisely known from careful data driven calibrations, for example at the per mille level 12 00:01:03,540 --> 00:01:09,000 for lepton efficiencies. We have several improvements during the last year using 13 00:01:09,000 --> 00:01:13,800 machine learning techniques. For example, in b-tagging and tau identification, 14 00:01:14,100 --> 00:01:19,920 and in the upper right plot you see the light flavor rejection 15 00:01:19,920 --> 00:01:26,670 versus the b tagging efficiency in .. in red for our old taggers and in blue for the new 16 00:01:26,670 --> 00:01:33,270 ones and you see that we improve by typically 50% or more. And below you 17 00:01:33,270 --> 00:01:37,770 see the Monte .. the data to MonteCarlo scale factors and this is nicely 18 00:01:37,770 --> 00:01:42,660 consistent with one in the intermediate range of the jet pT, 19 00:01:42,870 --> 00:01:47,310 the error is also in the percent region and a similar plot you see for tau 20 00:01:47,310 --> 00:01:52,710 ID with RNNs in the left plot. We push towards lower energies for electron, 21 00:01:52,710 --> 00:01:57,960 muons and b's to search for scenarios with smaller mass splitting and we have 22 00:01:57,960 --> 00:02:02,160 further improvements in efficiency and precision still to come. So, let me 23 00:02:02,160 --> 00:02:07,110 start with the physics of the Higgs boson now, and let me start with H to 24 00:02:07,110 --> 00:02:13,350 ZZ. So, we use the yield of the H to 4l decay to measure the differential and 25 00:02:13,350 --> 00:02:17,220 the double differential cross sections, to measure the simplified 26 00:02:17,220 --> 00:02:21,540 template cross sections, and to measure the mass. You see on the left plot nicely 27 00:02:21,540 --> 00:02:27,390 the spectrum now for the .. for 4l, where you see that irreducible 28 00:02:27,390 --> 00:02:34,650 background is is very small and the reducible background almost not visible 29 00:02:34,650 --> 00:02:39,690 anymore. So all measurements agree well with standard model prediction, where the total 30 00:02:39,690 --> 00:02:44,190 cross section is being measured witha 10% precision now. You see in the middle 31 00:02:44,190 --> 00:02:51,750 plot the differential cross section with respect to the Higgs boson pT, where the 32 00:02:51,750 --> 00:02:56,280 black points are our data and the different .. the different colored lines are 33 00:02:56,280 --> 00:03:00,750 different Monte Carlo calculations and you see that the agreement is extremely good. 34 00:03:01,200 --> 00:03:05,460 And then the data have been fitted with EFT parameters where we choose the EFT 35 00:03:05,460 --> 00:03:10,440 parameters that modify the Higgs couplings to gauge bosons, quarks and gluons. And 36 00:03:10,440 --> 00:03:16,470 again, you see the in the right plot that, that all EFT parameters are consistent 37 00:03:16,470 --> 00:03:20,220 with zero as they should be within the standard model. And also here the 38 00:03:20,220 --> 00:03:26,400 precision is already getting pretty impressive. In addition, we measure the 39 00:03:26,400 --> 00:03:31,110 Higgs boson, we measure the Higgs boson mass. So also in the 4 lepton 40 00:03:31,110 --> 00:03:35,070 channel the nice thing with this channel is it is completely statistic dominated, 41 00:03:35,250 --> 00:03:40,170 and the systematics is almost exclusively from the muon momentum scale. And you 42 00:03:40,170 --> 00:03:44,610 see again the mass spectrum together .. together with the mass fit in the right 43 00:03:44,610 --> 00:03:51,570 plot, and the mass has been measured to be 124.92 GeV where the error is about 44 00:03:51,570 --> 00:03:52,830 200 MeV now. 45 00:03:54,930 --> 00:04:01,320 Let me come to Higgs to b bbar now where we have two analyses: a resolved analysis for low 46 00:04:01,320 --> 00:04:08,100 and medium Higgs pT and a boosted analysis for high Higgs pT, and you see the background 47 00:04:08,250 --> 00:04:13,380 subtracted mass spectra in the two .. in the two upper plots left for the resolved 48 00:04:13,380 --> 00:04:17,910 and right for the boosted and with the resolved analysis alone the ZH 49 00:04:17,910 --> 00:04:24,660 production mode is established with 5.3 sigma where 5.1 is expected and the WH 50 00:04:24,660 --> 00:04:32,670 mode with 4.0 sigma, expected 4.1. The total cross sections agree well with the next 51 00:04:32,670 --> 00:04:37,170 to next to leading order predictions as shown in .. as shown in the two lower plots and 52 00:04:37,170 --> 00:04:42,510 especially there is a nice nice agreement at higher pT where new 53 00:04:42,510 --> 00:04:46,770 physics effects should show up. And let me show you this nice event display of a 54 00:04:46,770 --> 00:04:52,830 candidate for a boosted WH to b bbar event where you see nicely on one side a high a 55 00:04:52,830 --> 00:04:58,740 high energy muon and ETmiss which forms a W which is recoiling against, 56 00:04:58,980 --> 00:05:03,660 against a fat jet where you can, where you can actually see nicely the substructure 57 00:05:03,660 --> 00:05:09,750 of this jet in two prongs, which would be the two the two b quarks. Let me come 58 00:05:09,750 --> 00:05:16,260 to Higgs to Z gamma now. So Higgs to Z gamma is a loop decay sensitive to, to new 59 00:05:16,260 --> 00:05:22,080 physics different from Higgs to gamma, the branching ratio is very small, it's 5.7 60 00:05:22,080 --> 00:05:26,760 times 10 to the minus six, for Higgs to Z gamma if you then also require that 61 00:05:27,210 --> 00:05:32,040 that the Z decays into two leptons, but this decay actually gives you a very clean 62 00:05:32,040 --> 00:05:37,770 signal, and the data sets have been analyzed with in six categories to enhance 63 00:05:37,770 --> 00:05:42,420 the significance. And in the right you see the .. you see the combined mass spectrum 64 00:05:42,420 --> 00:05:48,090 where the events have been, have been weighted with their purity within the .. within the 65 00:05:48,090 --> 00:05:53,550 category and you you see sort of an enhancement exactly at the Higgs mass. And 66 00:05:53,550 --> 00:05:58,890 so this leads then to a to a cross section normalized to the Standard Model prediction 67 00:05:58,890 --> 00:06:06,150 of 2.0 plus 1.0 minus 0.9, which is also statistically dominated. And then you can 68 00:06:06,180 --> 00:06:10,650 take this, this number and either interpret it as an evidence where I've put 69 00:06:10,650 --> 00:06:17,160 evidence in in quotes because it's still below three sigma but it's it's 2.2 sigma 70 00:06:17,340 --> 00:06:23,130 or you can interpret it as a, as a limit on the cross section which is less 71 00:06:23,130 --> 00:06:28,290 than 3.6 times the standard model expectation, which corresponds to a 72 00:06:28,290 --> 00:06:36,030 branching ratio of Higgs to Z gamma of less than 0.55%. Let me come to 73 00:06:36,060 --> 00:06:44,040 ttH now with with Higgs to gamma gamma. Already some months ago we have we have 74 00:06:44,040 --> 00:06:49,080 analyzed this mode for the for the cross section only, now it has been re analyzed 75 00:06:49,080 --> 00:06:54,690 in terms of the Higgs, the Higgs CP structure. In the first stage ttHiggs and 76 00:06:54,690 --> 00:07:01,110 tH events are identified with a boosted with a boosted decision tree and 77 00:07:01,110 --> 00:07:06,840 you see in the upper plot the gamma gamma mass spectrum after this BDT where 78 00:07:06,840 --> 00:07:12,780 you see a nice peak on the, on the Higgs mass, and then in the second stage the CP 79 00:07:12,780 --> 00:07:18,420 properties are examined with a second BDT using CP sensitive variables. So, the 80 00:07:18,420 --> 00:07:25,260 analysis establishes the ttH production mode with 5.2 sigma and it excludes a CP 81 00:07:25,260 --> 00:07:31,350 mixing angle of larger than 45 degree leaving the total normalization 82 00:07:32,370 --> 00:07:37,140 k_t free and this actually where you see in the in the right in the in the 83 00:07:37,140 --> 00:07:43,230 lower plot, you see the allowed area in k_t times cos 84 00:07:43,290 --> 00:07:49,740 alpha versus k_t times sine alpha and a pure CP-odd Higgs would have an alpha of 85 00:07:49,740 --> 00:07:55,530 90 degree which is clearly outside our limits. So, a pure CP-odd Higgs is 86 00:07:55,530 --> 00:08:01,560 excluded with 3.9 sigma and for the definition of alpha and k_t I've 87 00:08:01,560 --> 00:08:04,770 written down for you here, the Lagrangian that we are using. 88 00:08:06,420 --> 00:08:11,490 As a last Higgs analysis let me now report on the search for invisible Higgs decays 89 00:08:11,970 --> 00:08:16,170 In the VBF channel, the invisible Higgs boson decay can be tagged selecting two 90 00:08:16,170 --> 00:08:20,430 forward jets and missing transverse momentum, which you can see from the from 91 00:08:20,430 --> 00:08:25,290 the Feynman diagrams here where the two, the two quarks radiate a vector boson, 92 00:08:25,290 --> 00:08:30,540 which then fuse into, fuse into a Higgs. And in the standard model, the Higgs to 93 00:08:30,540 --> 00:08:35,880 invisible decay is very small, it only consists of Higgs to two Z where both 94 00:08:35,880 --> 00:08:41,820 Z decay into neutrinos. However, in the analysis, there is a large background from 95 00:08:41,850 --> 00:08:49,020 Z to nu nu decays and from W to l nu, where the lepton is lost. But both backgrounds 96 00:08:49,020 --> 00:08:53,820 can be measured either in the two lepton or in one lepton control region, which 97 00:08:53,820 --> 00:08:58,410 allows then in the end a statisticss limited measurement, and in the plot in 98 00:08:58,410 --> 00:09:04,530 the plot on the right, you can see, you can see the data and the and the prediction 99 00:09:04,530 --> 00:09:08,910 after the fit through the control region and you see a perfect, you see a perfect 100 00:09:08,910 --> 00:09:13,560 agreement. And then this leads to a limit in the branching ratio Higgs to invisible 101 00:09:13,800 --> 00:09:19,200 of less than 13% observed and expected and this is the best limit that exists at 102 00:09:19,200 --> 00:09:24,210 present. And then if you assume that the Higgs decays into two dark matter 103 00:09:24,210 --> 00:09:28,710 particles, this also can set strong constraints on the wimp nucleon cross 104 00:09:28,710 --> 00:09:34,590 section, you see in the right plot, and actually the LHC analyses are sensitive 105 00:09:34,590 --> 00:09:39,840 more to the low masses, which is exactly the region where the direct searches are, 106 00:09:40,050 --> 00:09:47,040 are insensitive. Okay, let me come now to standard model measurements. So first 107 00:09:47,040 --> 00:09:52,290 evidence for four top production. The four top production has been searched for in the 108 00:09:52,290 --> 00:09:56,550 two same sign and in the three lepton channel. The Standard Model prediction for 109 00:09:56,550 --> 00:10:00,450 this process is twelve femtobarn at next to leading order with an error of about 110 00:10:00,450 --> 00:10:06,210 20%. Events are classified again in a boosted decision tree using additional 111 00:10:06,210 --> 00:10:10,530 information on jet multiplicity, b-jet multiplicity, the angles between the 112 00:10:10,530 --> 00:10:17,130 leptons and visible energy. And then the main backgrounds are constrained in the 113 00:10:17,130 --> 00:10:22,500 special control region and extracted in a common fit with the signal. In this in 114 00:10:22,500 --> 00:10:28,260 this fit actually ttW turn.. comes out to be higher than expected, 60 plus or minus 115 00:10:28,260 --> 00:10:34,290 30%. But this is consistent with other ATLAS multi lepton plus b jet 116 00:10:34,470 --> 00:10:38,790 measurements. And on the on the right on the right in the right plot, you can 117 00:10:38,790 --> 00:10:44,160 actually see the BDT output score for the data and the 118 00:10:44,160 --> 00:10:49,200 prediction separated by the different components. And you see already by eye a nice 119 00:10:49,200 --> 00:10:53,250 enhancement coming from the four top signal. And so then for the four top signal the 120 00:10:53,250 --> 00:10:59,640 cross section is measured to be 24 plus plus seven minus six femto barn which 121 00:10:59,730 --> 00:11:04,680 which is something like 1.7 sigma higher than the standard model prediction. And this 122 00:11:04,680 --> 00:11:10,320 corresponds to an evidence for four top production of 4.3 sigma, where 2.4 sigma 123 00:11:10,320 --> 00:11:18,000 are expected. In t tbar events we also looked for lepton flavor violation in W 124 00:11:18,000 --> 00:11:26,520 decays. This ratio W to tau nu to W to mu nu was 2.7 sigma high at LEP, but 125 00:11:26,550 --> 00:11:33,630 clearly t tbar events are a rich source of W pair production. And then if one W 126 00:11:33,630 --> 00:11:38,940 decays leptonically, which you can use for the trigger, and you have two 127 00:11:38,940 --> 00:11:44,400 more b tags in the event, you you can really tag the second W very cleanly and 128 00:11:44,430 --> 00:11:50,520 and unbiased so then if the second W decays into a muon and one or more neutrinos, the 129 00:11:50,520 --> 00:11:55,440 muon impact parameter distribution and the pT distribution can be used to measure the 130 00:11:55,440 --> 00:12:00,810 rate of prompt muons and muons from tau decays, allowing to extract this ratio 131 00:12:00,810 --> 00:12:07,050 of branching ratios. And the upper plot shows you for one pT bin and in the emu case, 132 00:12:07,230 --> 00:12:11,610 the impact parameter distribution. And you see first that the background is pretty 133 00:12:11,610 --> 00:12:17,670 low. You see in light green, the contribution from prompt decays and in dark 134 00:12:17,670 --> 00:12:22,980 green, the contribution from from cascade decays. And this impact parameter 135 00:12:22,980 --> 00:12:28,470 distribution actually can be calibrated using Z to mu mu events. And then the 136 00:12:28,470 --> 00:12:32,400 ATLAS measurement is about a factor to more precise than the combined LEP 137 00:12:32,400 --> 00:12:37,620 measurement. And it's consistent, it's perfectly consistent with one. Again 138 00:12:37,620 --> 00:12:41,190 another eccess over the standard model that seems to be gone. 139 00:12:42,540 --> 00:12:49,650 Okay, let me come now to electroweak jjZ production. Again, this is a, this is 140 00:12:49,650 --> 00:12:55,020 largely dominated by vector boson fusion, which is sensitive to the triple 141 00:12:55,020 --> 00:12:59,520 gauge, to the triple gauge bosono couplings. It is characterized by a high 142 00:12:59,520 --> 00:13:06,690 mass high delta rapidity di-jet system. It can be further separated from strong 143 00:13:06,690 --> 00:13:12,780 production by a veto on central jets and requiring the Z to be central with respect 144 00:13:12,780 --> 00:13:18,210 to the di-jet system. And this actually allows to construct QCD control regions 145 00:13:18,360 --> 00:13:25,200 and then the electroweak component can be extracted, can be extracted from data 146 00:13:25,200 --> 00:13:30,750 in a sort of ABCD method. So, the differential cross section of the, of this 147 00:13:30,750 --> 00:13:34,140 production mode has been measured for several variables and compared to 148 00:13:34,140 --> 00:13:39,720 Monte Carlo generators. And you see here as two examples, as a function of the di-jet 149 00:13:39,720 --> 00:13:44,460 mass and as a function of the azimuthal angle between the two jets and 150 00:13:44,460 --> 00:13:51,210 you see in general, quite a good, quite a good agreement. And then these 151 00:13:51,210 --> 00:13:57,450 distributions can be used to measure EFT parameters that modify the triple gauge 152 00:13:57,450 --> 00:14:02,550 couplings and the right block shows you now for all for the different 153 00:14:02,550 --> 00:14:08,730 variables that we have measured the sensitivity to the EFT parameters and 154 00:14:09,000 --> 00:14:17,670 this sensitivity is splitted in in red in red the interference between the EFT and 155 00:14:17,670 --> 00:14:22,800 the standard model which is the which is the lowest order contribution and in blue 156 00:14:22,800 --> 00:14:29,370 the the higher order contribution one over lambda to the four which is from the pure 157 00:14:29,370 --> 00:14:36,540 EFT and you see that especially delta delta phi j j is very sensitive to 158 00:14:36,540 --> 00:14:43,200 all EFTs and at the same time it's basically only sensitive to the to the 159 00:14:43,200 --> 00:14:47,340 interference contribution. So, to the lowest order one where no higher orders are 160 00:14:47,340 --> 00:14:53,940 mixing in. And so this observable was used for our EFT fits. And you see here the 161 00:14:53,940 --> 00:14:57,540 results for the different parameters, which agree in general well with the 162 00:14:57,540 --> 00:15:05,220 standard with the Standard Model. And you also see that including or not including the 163 00:15:05,220 --> 00:15:09,360 one over lambda to the four term doesn't make any difference to the results. 164 00:15:10,740 --> 00:15:15,330 Okay, let me come now to light by light, light by light scattering. This was 165 00:15:15,330 --> 00:15:21,990 already observed with the 2018 data at 8.2 sigma, you see here one plot from 166 00:15:21,990 --> 00:15:26,310 the analysis and you also see a nice event display which shows you how clean 167 00:15:26,310 --> 00:15:33,060 lead lead collisions can can be. But now, now using the full the full data set, we 168 00:15:33,060 --> 00:15:36,750 have used we have measured the differential cross section for light by 169 00:15:36,750 --> 00:15:41,730 light scattering. So to remind you proton proton collisions are at large impact 170 00:15:41,790 --> 00:15:47,010 sorry lead lead collisions at large impact parameter effective effectively act as a 171 00:15:47,010 --> 00:15:52,110 photon collider, where the where you have in the events a lead comes in, 172 00:15:52,200 --> 00:15:58,410 radiates a photon and then a lead or an excited lead ion goes out. And then 173 00:15:58,410 --> 00:16:04,620 light by light scattering appears at loop level within within QED and the results 174 00:16:04,650 --> 00:16:08,610 the results of this differential cross section measurements are in reasonable 175 00:16:08,610 --> 00:16:14,190 agreement with leading order Monte Carlo predictions and we have we have used the 176 00:16:14,190 --> 00:16:20,250 mass spectra also to, to search for resonances and this actually sets the world 177 00:16:20,250 --> 00:16:24,600 best limit for medium mass axion like particle as you can see in the lower 178 00:16:24,600 --> 00:16:30,120 plot. A couple of heavy ion results. So, we have measured the suppression for 179 00:16:30,120 --> 00:16:36,090 several probes in lead lead collisions with respect to proton proton, they are all reported 180 00:16:36,090 --> 00:16:41,520 here in the in the right plot, and what you actually can see is that in general, if 181 00:16:41,520 --> 00:16:46,830 the probes are strongly interacting, they all agree reasonably well. However, for 182 00:16:46,830 --> 00:16:53,910 weakly interacting probes, W and Z, we see exactly no no suppression. Okay, let 183 00:16:53,910 --> 00:16:58,800 me come now to a few searches. We search for new resonances so new gauge 184 00:16:58,800 --> 00:17:03,240 bosons have been searched for with decays into t tbar fully hadronic, VV semi 185 00:17:03,240 --> 00:17:08,700 leptonic and VH fully hydronic. These searches do not only profit from the 186 00:17:08,700 --> 00:17:13,980 full run two luminosity, but also from much improved tagging algorithms as you see 187 00:17:13,980 --> 00:17:18,600 here for the top case, where the black line is what we used for our 188 00:17:19,260 --> 00:17:24,450 earlier publications and the purple line here is where we are now and you see that 189 00:17:24,450 --> 00:17:29,100 we again gain almost an order of magnitude. In all cases, the background is 190 00:17:29,100 --> 00:17:32,970 derived from from data and then the resonance is searched for in the mass 191 00:17:32,970 --> 00:17:38,250 spectrum, where these are the mass spectra for the three cases and V prime 192 00:17:38,250 --> 00:17:43,230 mass limits of typically three to five TeV have been derived depending on the model, 193 00:17:43,500 --> 00:17:48,030 and the table here shows you the best, the best limit so the model that gives the 194 00:17:48,030 --> 00:17:52,200 best limit that we have from the different analyses. And here you see a 195 00:17:52,200 --> 00:17:57,120 nice, high pT t tbar candidate where within the liquid argon 196 00:17:57,120 --> 00:18:03,240 calorimeter you can see the the three prong substructure already by eye. Let me 197 00:18:03,240 --> 00:18:08,460 come now to supersymmetry. So ATLAS has released already 15 results with the full 198 00:18:08,460 --> 00:18:13,260 data set. For this conference we have four more results: searches for charginos and 199 00:18:13,260 --> 00:18:17,640 neutralinos with three leptons, sorry, where in the upper plot you can see the 200 00:18:17,640 --> 00:18:22,980 agreement of the off shell signal regions with with the prediction and nothing is seen; 201 00:18:23,250 --> 00:18:28,590 searches for for top squarks in cascades with a Higgs or a Z. And again, 202 00:18:28,860 --> 00:18:34,170 nothing is seen. And let me come in to in some more details to two searches with 203 00:18:34,200 --> 00:18:39,000 R parity violation. So if R parity is violated events can be fully 204 00:18:39,000 --> 00:18:43,680 reconstructed. For top squarks this can lead to events with many jets including 205 00:18:43,680 --> 00:18:48,750 many b jets. And you see in the plots here for our signal regions we go to up to 206 00:18:48,750 --> 00:18:54,120 larger than nine jets of which larger than five more than five are b jets and again, 207 00:18:54,120 --> 00:18:57,960 everything here agrees with the prediction, But charginos and neutralinos you 208 00:18:57,960 --> 00:19:02,760 may actually see in three lepton resonances, as you see in the upper right in the upper 209 00:19:02,760 --> 00:19:06,930 right plot where again you see the prediction, the data, everything agrees, but 210 00:19:06,930 --> 00:19:13,860 you see the nice resonances that you would expect from from a signal and both and 211 00:19:13,920 --> 00:19:18,240 then for both topologies we have set limits as you see in the two lower plots, 212 00:19:18,420 --> 00:19:25,410 which go up to something like a TeV for the for the top squark and for the for the chargino. 213 00:19:25,410 --> 00:19:31,770 Okay, to for the end, let me come briefly to ATLAS perspectives. So 214 00:19:31,770 --> 00:19:32,340 at present 215 00:19:32,610 --> 00:19:38,970 the LHC is in is in a long shutdown, LS2, and ATLAS is implementing important upgrades 216 00:19:38,970 --> 00:19:44,160 for run three, and in view of the high luminosity LHC. The main theme of the 217 00:19:44,160 --> 00:19:49,350 present upgrades is refining the trigger selection. So the liquid argon upgrade for 218 00:19:49,350 --> 00:19:55,260 finer granularity in the L1 trigger, new forward muon chambers, our new small wheels, 219 00:19:55,260 --> 00:20:00,810 for better muon pointing and new feature extractors in the level one trigger to 220 00:20:00,810 --> 00:20:05,640 allow for more sophisticated selection of event topologies. So before the COVID 221 00:20:05,640 --> 00:20:10,320 crisis, the upgrades of liquid argon and trigger and data acquisition were well on 222 00:20:10,320 --> 00:20:14,910 track. For new small wheel we had accumulated some delays. However, the 223 00:20:14,910 --> 00:20:20,040 installation of one wheel in LS2 and the second wheel in an extended shutdown 224 00:20:20,040 --> 00:20:25,350 seemed possible. Now we are reassessing the situation and readiness depends 225 00:20:25,380 --> 00:20:30,210 on the CERN LS2 schedule. So in parallel, lots of work is going on in software, 226 00:20:30,210 --> 00:20:35,760 multi threaded reconstruction and trigger, new data model to to save disk space and 227 00:20:35,760 --> 00:20:42,000 so on. So this leads me to my conclusion. So ATLAS was running successfully in 228 00:20:42,000 --> 00:20:46,650 run two and our data set is already well understood. We had a fast turnaround 229 00:20:46,650 --> 00:20:50,910 to produce new results. Many results in searches and measurements have been made 230 00:20:50,910 --> 00:20:54,960 public already. And several recent analyses have been shown here, 231 00:20:55,140 --> 00:20:59,430 properties of the Higgs boson including its CP structure, evidence for the 232 00:20:59,430 --> 00:21:04,680 production of four top quarks, lepton flavor universality and many more, and ATLAS is 233 00:21:04,680 --> 00:21:09,180 working hard to prepare run three upgrades and software and so on. And we look 234 00:21:09,180 --> 00:21:14,220 forward to an increased sensitivity for multiple important analyses like parameter 235 00:21:14,220 --> 00:21:17,310 measurements, searches, rare decays. Okay, thank you. 236 00:21:18,870 --> 00:21:24,330 Okay, thank you very much Klaus. So we have time for one or two questions, you 237 00:21:24,330 --> 00:21:25,380 can raise your hand. 238 00:21:37,290 --> 00:21:42,120 Okay, so I had the question that on the previous slide, does it mean that there's 239 00:21:42,120 --> 00:21:46,590 now a consideration of not including the new small wheel in the next run? 240 00:21:49,380 --> 00:21:50,760 I mean, even one side. 241 00:21:53,040 --> 00:21:58,680 I said this, this is this is in the this is in the planning because I think for one 242 00:21:58,680 --> 00:22:03,420 for one wheel it looks it looks pretty good, for the second wheel we really have to 243 00:22:03,420 --> 00:22:03,900 see the 244 00:22:04,349 --> 00:22:06,239 details of our 245 00:22:06,299 --> 00:22:12,449 of our possibilities and of the of the LHC. Of course, the problem is the wheel 246 00:22:12,449 --> 00:22:17,189 is produc is produced all around the world. And so we have to take into account 247 00:22:17,189 --> 00:22:21,749 the COVID situation all over the world in the different labs and this is very 248 00:22:21,749 --> 00:22:24,329 difficult to judge at the moment. Right. 249 00:22:26,040 --> 00:22:29,760 Okay, yeah, but I misunderstood the slide. So thank you for the clarification. 250 00:22:31,410 --> 00:22:33,810 So if there are no other questions, 251 00:22:38,000 --> 00:22:42,810 OK thank you Klaus and, Bruno, I will hand the microphone to you.