2019-05-15
16:57 |
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2019-02-12
14:01 |
XYZ states at LHCb
/ Kucharczyk, Marcin (Polish Academy of Sciences (PL))
The latest years have observed a resurrection of interest in searches for exotic states motivated by precision spectroscopy studies of beauty and charm hadrons providing the observation of several exotic states. The latest results on spectroscopy of exotic hadrons are reviewed, using the proton-proton collision data collected by the LHCb experiment. [...]
LHCb-PROC-2019-004; CERN-LHCb-PROC-2019-004.-
Geneva : CERN, 2019 - 6.
Fulltext: PDF;
In : 15th International Workshop on Meson Physics, Kraków, Poland, 7 - 12 Jun 2018
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2019-01-21
09:59 |
Mixing and indirect $CP$ violation in two-body Charm decays at LHCb
/ Pajero, Tommaso (Universita & INFN Pisa (IT))
The copious number of $D^0$ decays collected by the LHCb experiment during 2011--2016 allows the test of the violation of the $CP$ symmetry in the decay of charm quarks with unprecedented precision, approaching for the first time the expectations of the Standard Model. We present the latest measurements of LHCb of mixing and indirect $CP$ violation in the decay of $D^0$ mesons into two charged hadrons [...]
LHCb-PROC-2019-003; CERN-LHCb-PROC-2019-003.-
Geneva : CERN, 2019 - 10.
Fulltext: PDF;
In : 10th International Workshop on the CKM Unitarity Triangle, Heidelberg, Germany, 17 - 21 Sep 2018
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2019-01-15
14:22 |
Experimental status of LNU in B decays in LHCb
/ Benson, Sean (Nikhef National institute for subatomic physics (NL))
In the Standard Model, the three charged leptons are identical copies of each other, apart from mass differences. Experimental tests of this feature in semileptonic decays of b-hadrons are highly sensitive to New Physics particles which preferentially couple to the 2nd and 3rd generations of leptons. [...]
LHCb-PROC-2019-002; CERN-LHCb-PROC-2019-002.-
Geneva : CERN, 2019 - 7.
Fulltext: PDF;
In : The 15th International Workshop on Tau Lepton Physics, Amsterdam, Netherlands, 24 - 28 Sep 2018
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2019-01-10
15:54 |
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2018-12-20
16:31 |
Simultaneous usage of the LHCb HLT farm for Online and Offline processing workflows
LHCb is one of the 4 LHC experiments and continues to revolutionise data acquisition and analysis techniques. Already two years ago the concepts of “online” and “offline” analysis were unified: the calibration and alignment processes take place automatically in real time and are used in the triggering process such that Online data are immediately available offline for physics analysis (Turbo analysis), the computing capacity of the HLT farm has been used simultaneously for different workflows : synchronous first level trigger, asynchronous second level trigger, and Monte-Carlo simulation. [...]
LHCb-PROC-2018-031; CERN-LHCb-PROC-2018-031.-
Geneva : CERN, 2018 - 7.
Fulltext: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018
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2018-12-14
16:02 |
The Timepix3 Telescope andSensor R&D for the LHCb VELO Upgrade
/ Dall'Occo, Elena (Nikhef National institute for subatomic physics (NL))
The VErtex LOcator (VELO) of the LHCb detector is going to be replaced in the context of a major upgrade of the experiment planned for 2019-2020. The upgraded VELO is a silicon pixel detector, designed to with stand a radiation dose up to $8 \times 10^{15} 1 ~\text {MeV} ~\eta_{eq} ~ \text{cm}^{−2}$, with the additional challenge of a highly non uniform radiation exposure. [...]
LHCb-PROC-2018-030; CERN-LHCb-PROC-2018-030.-
Geneva : CERN, 2018 - 8.
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2018-11-08
10:42 |
Recent LHCb results in charm spectroscopy
/ He, Jibo (University of Chinese Academy of Sciences (CN))
LHCb continues to expand its world-leading sample of charmed hadrons collected during LHC's Run 1 and Run 2. With this data set, LHCb is discovering many previously unobserved charmed states and making the most precise determinations of the properties of these states. [...]
LHCb-PROC-2018-029; CERN-LHCb-PROC-2018-029.-
Geneva : CERN, 2018 - 4.
Fulltext: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Kor, 4 - 11 Jul 2018
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2018-11-08
10:14 |
Studies of $B_c$ mesons at LHCb
/ He, Jibo (University of Chinese Academy of Sciences (CN))
The $B_c$ meson is formed by two heavy quarks of different flavor, which makes it an interesting laboratory for test of effective theories of the strong interaction with a unique setting for production, decay and spectroscopy studies. This paper presents recent results on the $B_c$ meson from LHCb, including the $B_c^+$ mass, lifetime and production measurements, search for excited $B_c^+$ states, observation of the $B_c^+\to D^0 K^+$ decay, and search for $B_c^+$ decays to two charm mesons..
LHCb-PROC-2018-028; CERN-LHCb-PROC-2018-028.-
Geneva : CERN, 2018 - 4.
Fulltext: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Kor, 4 - 11 Jul 2018
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2018-11-06
16:31 |
Time dependent CPV in the beauty sector
/ Benson, Sean (Nikhef National institute for subatomic physics (NL))
Time-dependent $CP$ violating phenomena probe the time evolution and the decay of beauty hadrons and allow access to the underlying dynamics. We present various time-dependent $CP$ violation measurements in the $B^0$ and $B_s^0$ meson systems that are performed using $pp$ collisions by LHCb and using $e^{+}e^{-}$ collisions by the B factory experiments BaBar and Belle [...]
LHCb-PROC-2018-027; CERN-LHCb-PROC-2018-027.-
Geneva : CERN, 2018 - 8.
Fulltext: PDF;
In : 16th Conference on Flavor Physics and CP Violation (FPCP 2018), Hyderabad, India, 14 - 18 Jul 2018
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