[PDF] Top 20 Search for CP violation using T odd correlations in D 0 → K + K −π+π− decays
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Search for CP violation using T odd correlations in D 0 → K + K −π+π− decays
... the CP symmetry in charm decays is expected to be very small in the Standard Model (SM) [1, 2], however, asymmetries at a few times 10 −3 within the SM cannot be excluded according to recent calculations ... See full document
22
Measurement of Dº D º mixing parameters and search for CP violation using Dº → K+ π decays
... WS D 0 ( D 0 ) decays and approximately 230 times more RS ...between D 0 and D 0 decays are dominated by differences in charm-anticharm production ... See full document
10
Measurement of the Difference of Time-Integrated CP Asymmetries in D⁰ → K⁻ K⁺ and D⁰ → π⁻ π⁺ Decays
... ( CP ) symmetry in weak decays of hadrons is described in the Standard Model (SM) by the Cabibbo-Kobayashi-Maskawa (CKM) matrix and has been observed in K - and B -meson systems [1 – ...no CP ... See full document
10
Search for CP violation in the decay D+→π−π+π+
... the D + signal peak is studied by considering the candi- dates with mass M ( π − π + π + ) in the ranges 1810–1835 MeV / c 2 and 1905–1935 MeV / c 2 , for which α = 1 ...± 0 . 002. ... See full document
12
Measurement of CP violation in the phase space of B±→K±π+π− and B±→K±K+K− decays
... p T > 1 : 7 GeV =c , 2 IP < 10 (defined by projecting the B candidate trajectory backwards from its decay vertex) and displacement from any PV greater than 3 ...selected using particle identification ... See full document
10
Measurement of CP violation in the phase space of B±→K+K−π± and B±→π+π−π± decays
... p T and χ 2 IP of the final-state tracks, and the distance of closest approach between any two ...p T > ...> 0 . 999 98 . Final-state kaons and pions are further selected using particle ... See full document
9
Model independent search for CP violation in D0→K−K+π−π+ and D0→π−π+π+π− decays
... in D ∗+ and D ∗− meson production and detection efficiencies can introduce asymmetries across the phase-space dis- tributions of the D 0 ...The D 0 and D 0 candidates ... See full document
12
First determination of the CP content of D→π+π−π+π− and updated determination of the CP contents of D→π+π−π0 and D→K+K−π0
... → D K ∓ , where D indicates a neu- tral charmed meson reconstructed in a state accessible to both D 0 and D 0 decays, give sensitivity to the unitarity triangle an- ... See full document
10
Study of Bº→D* π+π π+ and Bº→D* K+π π+ decays
... charm decays of b hadrons offer a means by which both the electroweak and QCD sectors of the Standard Model (SM) may be ...of CP violation and the phases derived from the Cabibbo- Kobayashi-Maskawa ... See full document
11
Measurement of the CKM angle γ using B ± → DK ± with D → K S 0 π + π −, K S 0 K + K − decays
... studying CP -violating observables in B ± → DK ± decays, where D represents a neutral D meson reconstructed in a final state that is common to both D 0 and D 0 ... See full document
33
Search for CP violation in D0→π−π+π0 decays with the energy test
... (Ireland); INFN (Italy); FOM and NWO (The Netherlands); MNiSW and NCN (Poland); MEN/IFA (Romania); MinES and FANO (Rus- sia); MinECo (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); NSF (USA). ... See full document
11
Measurement of CP observables in B± → D(⁎)K± and B± → D(⁎)π± decays
... → D π − π 0 and B − → D K − π 0 contributions vary indepen- dently in each subsample, with a CP asymmetry that is fixed to zero in the case of the favoured ... See full document
15
Search for CP violation in D + → ϕπ + and $ D_s^{+}\to K_S^0{\pi^{+}} $ decays
... charm decays are the focus of searches for direct CP violation (CPV) in the charm ...these decays, direct CPV will occur if tree and loop (penguin) processes interfere with different strong ... See full document
20
Search for CP violation in D ± → K S 0 K ± and D s ± → K S 0 π ± decays
... studied using a large sample of D ± → K ∓ π ± π ± decays with the D (s) ± → φπ ± selection criteria ...a CP asymmetry from a single subsample compared to the mean ... See full document
20
Search for CP violation in D ± → K S 0 K ± and D s ± → K S 0 π ± decays
... The LHCb detector [16] is a single-arm forward spectrometer covering the pseudorapidity range 2 < η < 5, designed for the study of particles containing b or c quarks. The detector includes a high-precision tracking ... See full document
19
Search for CP violation in D+ >K K+π+ decays
... The D þ ! K þ þ control mode has an order of mag- nitude more candidates than the Cabibbo-suppressed sig- nal mode, and is more sensitive to detector effects since there is no cancellation between K ... See full document
14
Measurement of the CP violation parameter A {Γ} in D^{0}→K^{+}K^{ } and D^{0}→π^{+}π^{ } decays
... the D 0 → K − π þ mode, where the time-dependent asymmetry is expected to be ...the D 0 decay time in the range ½0 . 6τ D ; 20τ D is ... See full document
10
Measurement of CP asymmetry in D 0 → K K + and D 0 → π π decays
... charm decays, but could be enhanced in the presence of non-SM ...Direct CP violation arises when two or more amplitudes with different weak and strong phases contribute to the same final ... See full document
26
Model independent measurement of mixing parameters in D0 → K S 0 π+π− decays
... Further cross-checks are performed and systematic effects considered, as summarised in table 1. Several sources of systematic uncertainty are due to assumptions made for the baseline fit procedure. These uncertainties ... See full document
27
Observation of the suppressed ADS modes B± → [π±K /+ π+π ]D K± and B± → [π± K /+π+π ]Dπ±
... ± decays that do not involve a true D meson are suppressed by requiring the flight distance signif- icance of the D candidate from the B ± vertex be greater than ...charmless decays are ... See full document
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