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Bartłomiej Rachwał

Publications

[1]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, K. Świentek, T. Szumlak) LHCb Collaboration
Search for CP- violating strong decays η→π+π- and η’(958)→π+π-.
Phys. Lett.B764 (2017) 233-240 Link  

[2]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, K. Świentek, T. Szumlak) LHCb Collaboration
Search for suppressed decays of B+→K+K+π- and B+→π+π+K-.
Phys. Lett.B 765 (2017) 307-316 Link  

[3]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, K. Świentek, T. Szumlak) LHCb Collaboration
First experimental study of photon polarization in radiative B0s decays.
Phys. Rev. Lett. 118 (2017) 021801, 1-9 Link  

[4]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, K. Świentek, T. Szumlak) LHCb Collaboration
Observation of the decay B0s→Φ π+π- and evidence for B0→Φ π+π-.
Phys. Rev. D95 (2017)012006, 1-15 Link  

[5]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, J. Moron, A. Obłąkowska-Mucha, B. Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Amplitude analysis of B+→ J/Ψ K+ decays.
Phys. Rev. D 95 (2017) 012002, 1-28 Link  

[6]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, K. Świentek, T. Szumlak) LHCb Collaboration
Observation of J/Ψφ structure consistent with exotic states from amplitude analysis of B+→ J/ΨφK+ decays.
Phys. Rev. Lett. 118 (2017) 022003, 1-10 Link  

[7]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, K. Świentek, T. Szumlak) LHCb Collaboration
Observation of B+→ J/Ψ3π+- and B+→ Ψ(2S)π+π+π- decays.
Eur. Phys. J. C77 (2017) 72, 1-12 Link  

[8]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, K. Świentek, T. Szumlak) LHCb Collaboration
Measurement of forward tt, W+bb and W+cc production in pp collisions at √s = 8 TeV.
Phys. Lett.B767 (2017) 110-120 Link  

[9]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, B.Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Measurement of CP asymmetry in D0→K+K- decays.
Phys. Lett.B767 (2017) 177-187 Preprint   Link  

[10]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, B.Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Observation of the decay Ξ-b→pK-K-.
Phys. Rev. Lett. 118 (2017) 071801, 1-11 Link  

[11]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, B.Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Observation of B+c→J/ψD(*)K(*) decays.
Phys. Rev. D95 (2017) 032005, 1-12 Link  

[12]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, B.Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Observation of the annihilation decay mode B0→K+K-.
Phys. Rev. Lett.118 (2017) 081801, 1-9 Link  

[13]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, B.Rachwał, J. Moron, A. Obłąkowska-Mucha, B.Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Search for decays of neutral beauty mesons into four muons.
JHEP03 (2017) 001, 1-19 Link  

[14]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, J. Moron, A. Obłąkowska-Mucha, B.Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Measurement of the ratio of branching fractions and difference in CP asymmetries of the decays B+→J/ψπ+ and B+→J/ψK+.
JHEP03 (2017) 36, 1-18 Link  

[15]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, J. Moron, A. Obłąkowska-Mucha, B.Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Measurement of the phase difference between short- and long-distance amplitudes in the B+→K+μ+μ- decay.
Eur. Phys. J. C77 (2017) 161, 1-15 Link  

[16]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, J. Moron, A. Obłąkowska-Mucha, B. Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Observation of B+c→D0K+ decays.
Phys. Rev. Lett. 118 (2017) 111803 Link  

[17]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, J. Moron, A. Obłąkowska-Mucha, B. Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Measurement of charm mixing and CP violation using D0→K±π± decays.
Phys. Rev. D 95 (2017) 052004 Link  

[18]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B.Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Measurement of matter-antimatter differences in beauty baryon decays.
Nature Physicss 13 (2017) 391-396 Link  

[19]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation ot ηc(2S)→p anti-p and search for X(3872) →pp anti-p decays.
Phys. Lett.B769 (2017) 305-313 Link  

[20]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Search for massive long-lived particles decaying semileptonically in the LHCb detector.
Eur. Phys. J. C77 (2017) 224, 1-16 Link  

[21]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of the suppressed decay Λ0b →pπ- μ+ μ-.
JHEP04 (2017) 29, 1-16 Link  

[22]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Search for CP violation in the phase space of D0→π+π-π+π-.
Phys. Lett.B 769 (2017) 345-356 Link  

[23]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
New algorithms for identifying the flavour of B0 mesons using pion and protons.
Eur. Phys. J. C77 (2017) 238, 1-15 Link  

[24]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Search for long-lived scalar particles in B+→K+χμ+μ- decays.
Phys. Rev. D95 (2017) 071101(R), 1-9 Link  

[25]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Evidence for two-body charmless baryonic decay B+→pΛ.
JHEP 04 (2017) 162, 1-18 Link  

[26]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of five new narrow Ω0c states decaying to Ξ+cK-.
Phys. Rev. Lett. 118 (2017) 182001, 1-10 Link  

[27]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Study of J/Ψ production in jets.
Phys. Rev. Lett.118 (2017) 192001, 1-11 Link  

[28]
B. Aaij et al., (M. Firlej, T. Fiutowski, M. Idzik, J. Moron, A. Obłąkowska-Mucha, B. Rachwał, K. Świentek, T. Szumlak) LHCb Collaboration
Measurement of the CP violation parameter AΓ in D0→K+K- decays and D0→π+π-.
Phys. Rev. Lett. 118 (2017) 261803, 1- Link  

[29]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of the Ξ-b→ J/ΨK- decay.
Phys. Lett.B772 (2017) 265-273 Link  

[30]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of the decay B0s→ηcφ and evidence for B0s→ηc π+π-.
JHEP07 (2017) 21, 1-33 Link  

[31]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of the B+→ D*-K+π+ decay.
Phys. Rev. D 96 (2017)011101, 1-10, Link  

[32]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Test of lepton universality with B0→K*0l+l- decays.
JHEP08 (2017) 55, 1-31 Link  

[33]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Resonances and CP violation in B0s and B0s→J/Ψ K+K- decays in the mass region above the φ(1020).
JHEP08 (2017) 37, 1-28 Link  

[34]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
First observation of a baryonic B0s decay.
Phys. Rev. Lett 118. (2017) 041802, 1-10 Link  

[35]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of the decays Λ0b → χc1pK- and Λ0b→χc2 pK-.
Phys. Rev. Lett.119 (2017) 062001, 1-11 Link  

[36]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Measurement of B0s and D-s meson lifetimes.
Phys. Rev. Lett 119. (2017) 101801, 1-10 Link  

[37]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of the doubly charmed baryon Ξ++cc.
Phys. Rev. Lett. 119 (2017) 112001, 1-10 Link  

[38]
B. Rachwał on behalf LHCb Collaboration
Production measurements at the LHCb.
Acta Phys.Polon. B48 (2017) 1157

[39]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Measurement of the B± production asymmetry and the CP asymmetry at B±→J/ψ K± decays.
Phys. Rev. D95 (2017/) 052005, 1-13 Link  

[40]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Study of the D0p amplitude in Λ0b→D0- decays.
JHEP05 (2017) 30, 1-43 Link  

[41]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Measurement of the B0s→μ+μ- branching fraction and effecive lifetime and search for B0→μ+μ- decays.
Phys. Rev. Lett.118 (2017) 191801, 1-11 Link  

[42]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Measurement of CP asymmetries in D±→ ηπ and Ds±→ ηπ decays.
Phys. Lett.B771 (2017) 21-30 Link  

[43]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Measurement od the J/ψ pair production cross-section in pp collisions at √s = 13 TeV.
JHEP 06 (2017) 47, 1-38 Link  

[44]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Search for the decays Bs0→τ+τ- and B0→τ+τ-.
Phys. Rev. Lett.118 (2017)251802, 1-10, Link  

[45]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Study of charmonium production in b-hadron decays and first evidence for the decay Bs→φφφ.
Eur. Phys. J. C77 (2017) 609, 1-18 Link  

[46]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of the charmless baryonic decays B0(s)→pph+h’-.
Phys. Rev. D96. (2017) 051103(R) 1-10 Link  

[47]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Improved limit on the branching fraction of the rare decay K0s→μ+μ-.
Eur. Phys. J. C77 (2017) 678, 1-12 Link  

[48]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Study of prompt D0 meson production in pPB collisions at √s = 5 TeV.
JHEP 10 (2017) 90, 1-28 Link  

[49]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Observation of D0 meson decays to π+π-μ+μ- and K+K-μ+μ- final states.
Phys. Rev. Lett.119 (2017) 181805, 1-10 Link  

[50]
B. Aaij et al., (M. Firlej, T. Fiutowski, M.Idzik, J. Moroń, A.Obłąkowska-Mucha, B. Rachwał, K. Świentek, T.Szumlak) LHCb Collaboration
Search for baryon –number-violating Ξ0b oscillations.
Phys. Rev. Lett.119 (2017) 181807, 1-9 Link  

Conference materials

[1]
B. Rachwał (on behalf of LHCb Collaboration)
Central Exclusive Production at LHCb.
25th International Workshop on Deep Inelastic Scattering and Related Topics, 3-7 April 2017, Birmingham, England (talk) Link  

[2]
B.Rachwał (on behalf of the LHCb Collaboration)
Production measurements at LHCb.
The Cracow Epiphany Conference Link  

[3]
B.Rachwał (on behalf of the LHCb Collaboration)
Recent results from the LHCb.
20th PLANCK Conference 2017 Link  


 
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