搜索结果: 1-15 共查到“理学 BaBar”相关记录17条 . 查询时间(0.085 秒)
Rare Decays in BaBar: Search for Decays of the Neutral B Meson into Two Leptons and Measurement of CP Asymmetry in Inclusive Radiative Decays of the B Meson into a Strange-quark System
BaBar Leptons Rare decays Strange-quark system
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2014/11/20
Rare Decays in BaBar: Search for Decays of the Neutral B Meson into Two Leptons and Measurement of CP Asymmetry in Inclusive Radiative Decays of the B Meson into a Strange-quark System.
Time-dependent \g/$\phi_3$ measurements by Babar
Time-dependent \g/$\phi_3$ measurements Babar
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2011/4/6
Time-dependent \g/$\phi_3$ measurements by Babar 。
CP Violation Results from B Decays at BaBar
CP Violation Results B Decays BaBar
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2011/4/6
CP Violation Results from B Decays at BaBar 。
Recent BABAR Results on Two-photon Physics
Recent BABAR Results Two-photon Physics
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2011/1/4
Recent BABAR results on two-photon processes are presented. A high statistics study of the twophoton production of the charmonium states hc and hc(2S) is performed.
Recent Results from BaBar, Belle, BESIII and CDF
XYZ mesons BaBar Belle BESIII CDF
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2011/1/4
A brief report of some recent experimental developments concerning the X, Y and Z charmoniumlike mesons states and other puzzling states from the BaBar, Belle, BESIII and CDF experiments is presented....
Studies of tau- -> eta.K-.nu and tau- -> eta.pi-.nu at BaBar and a search for a second-class current
tau- -> eta.K-.nu tau- -> eta.pi-.nu at BaBar second-class current
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2011/1/4
We report on analyses of tau lepton decays − ! K− and − ! − ,with +−0, using 470 fb−1 of data from the BABAR experiment at PEP-II, collected at cente...
XYZ particles at BABAR
spectroscopy charmonium BABAR
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2010/5/7
This paper intends to shortly summarize the recent results on Spectroscopy, published from the BABAR Collaboration. The BABAR experiment is a B-factory, at SLAC, where asymmetric energy beams of elect...
Study of the e+ e－ to hadrons via ISR at BABAR
ISR e+ e－ hadrons BABAR
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2010/5/7
Experimental data from the PEP-II B-factory at 10.6 GeV center-of-mass (c.m.) energy, obtained via initial-state radiation (ISR) with the BABAR detector, are presented. The cross sections for many had...
Precise measurement of the e+e－→π+π－(γ) cross section with the initial state radiation method at BABAR
pion form factor ISR g-2 BABAR
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2010/5/7
We present a precise BABAR measurement on the cross section of the process e+e－→π+π－(γ) from threshold to an energy of 3 GeV with the initial state radiation (ISR) technique, using 232 fb－1 of data co...
D0D0 mixing and other recent charm results from BABAR
mixing oscillations charm meson spectroscopy
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2010/5/7
Studies in which BABAR data have shown evidence for mixing in the neutral charm meson system are presented. A new measurement of the lifetime difference parameter yCP=(1.16±0.22±0.18)% is described. R...
Measurements of the γγ*→π0 and γγ*→ηc transition form factors at BABAR
two-photon interaction pseudoscalar meson transition form factor pi0 eta eta(958) etac
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2010/5/7
We present measurements of the γγ*→π0 transition form factor for the momentum transfer range Q2=4—40 GeV2 and the γγ*→ηc transition form factor for the range Q2=2—50 GeV2. The current status of measur...
BABAR measurement of baryon time-like form factors via initial state radiation
baryon form factor Initial state radiation BABAR
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2010/5/7
BABAR has measured with unprecedented accuracy the e+e－→pp and e+e－→ΛΛ cross sections by means of the initial state radiation technique, which has the advantages of good efficiency, good energy resolu...
Rare tau decays from BABAR
particle physics tau leptons rare decays
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2010/5/7
The BABAR experiment has now completed data taking and with an integrated luminosity of
531 fb1 of e+e collision data has recorded some 480 million tau-pair events. Various studie...
Observation of the chi_c2(2P) meson in the reaction gamma gamma -> D Dbar at BABAR
chi_c2(2P) meson DDbar system integrated luminosity
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2010/3/15
A search for the Z(3930) resonance in gamma gamma production of the DDbar system has been performed using a data sample corresponding to an integrated luminosity of 384 fb^-1 recorded by the BABAR exp...
Study of the D0 --> pi+ pi- pi0 decay at BABAR
Dipartimento di Fisica Sapienza Universit`a di Roma and Istituto Nazionale di Fisica Nucleare
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2010/3/15
The Dalitz-plot of the Decay D0 --> pi+ pi- pi0 measured by the BABAR Collaboration shows the structure of a final state having quantum numbers IG JPC = 0- 0--. An isospin analysis of the Daliz-plot f...