Study of the D
                            0
                            p amplitude in Λ
                  b
                0
               → D
                            0
                            pπ
                            − decays

Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; Albrecht, J.; Alessio, F.; Alexander, M.; Ali, S.; Alkhazov, G.; Cartelle, P. Alvarez; Alves, A. A.; Amato, S.; Amerio, S.; Amhis, Y.; An, L.; Anderlini, L.; Andreassi, G.; Andreotti, M.; Andrews, J. E.; Appleby, R. B.; Archilli, F.; d’Argent, P.; Romeu, J. Arnau; Артамонов, А.; Artuso, M.; Aslanides, E.; Auriemma, G.; Baalouch, M.; Babuschkin, I.; Bachmann, S.; Back, J. J.; Badalov, A.; Baesso, C.; Baker, S.; Balagura, V.; Baldini, W.; Barlow, R. J.; Barschel, C.; Barsuk, S.; Barter, W.; Baryshnikov, F.; Baszczyk, M.; Batozskaya, V.; Batsukh, B.; Battista, V.; Bay, A.; Beaucourt, L.; Beddow, J.; Bedeschi, F.; Bediaga, I.; Beiter, A.; Bel, L. J.; Bellée, V.; Belloli, N.; Belous, K.; Belyaev, I.; Ben-Haim, E.; Bencivenni, G.; Benson, S.; Berezhnoy, A.; Bernet, R.; Bertolin, A.; Betancourt, C.; Betti, F.; Bettler, M. 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doi:10.1007/jhep05(2017)030

Cited by 71 publications

(36 citation statements)

References 34 publications

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“…PACS numbers: 12.38.Gc,14.20.Lq Recently heavy hadron physics has attracted huge scientific interests mainly due to the prospects of studying new physics beyond the Standard Model at the intensity frontier [1][2][3][4][5], and to study various newly discovered subatomic particles to better understand the confining nature of strong interactions [6][7][8][9][10][11][12]. From the perspective of newly found hadrons itself, a large number of discoveries over the past decade ranging from usual mesons [13][14][15][16][17][18][19][20], baryons [21] along with their excited states [22][23][24][25], to new exotic particles like tetraquarks [26][27][28] and pentaquarks [29], as well as hadrons whose structures are still elusive [6][7][8][30][31][32][33], have proliferated interests in the study of heavy hadrons. Furthermore, it is envisaged that the large data already collected or to be obtained at different laboratories, particularly at LHCb and Belle II, will further unravel many other hadrons.…”

mentioning

confidence: 99%

Precise Predictions of Charmed-Bottom Hadrons from Lattice QCD

2018

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We report the ground state masses of hadrons containing at least one charm and one bottom quark using lattice quantum chromodynamics. These include mesons with spin (J)-parity (P ) quantum numbers (J P ): 0 − , 1 − , 1 + and 0 + and the spin-1/2 and 3/2 baryons. Among these hadrons only the ground state of 0 − is known experimentally and therefore our predictions provide important information for the experimental discovery of all other hadrons with these quark contents. PACS numbers: 12.38.Gc, 14.20.Lq Recently heavy hadron physics has attracted huge scientific interests mainly due to the prospects of studying new physics beyond the Standard Model at the intensity frontier [1][2][3][4][5], and to study various newly discovered subatomic particles to better understand the confining nature of strong interactions [6][7][8][9][10][11][12]. From the perspective of newly found hadrons itself, a large number of discoveries over the past decade ranging from usual mesons [13][14][15][16][17][18][19][20], baryons [21] along with their excited states [22][23][24][25], to new exotic particles like tetraquarks [26-28] and pentaquarks [29], as well as hadrons whose structures are still elusive [6][7][8][30][31][32][33], have proliferated interests in the study of heavy hadrons. Furthermore, it is envisaged that the large data already collected or to be obtained at different laboratories, particularly at LHCb and Belle II, will further unravel many other hadrons. One variety of such theorized but as yet essentially unobserved (except one) subatomic particles are hadrons made of at least a charm and a bottom quarks, the charmed-bottom (bc) hadrons.Investigations of such hadrons are highly appealing, as they provide a unique laboratory to explore the heavy quark dynamics at multiple scales: 1/m b , 1/m c and 1/Λ QCD . Decay constants and form factors of bc mesons are still unknown but are quite important because of their relevance to investigate physics beyond the standard model, particularly in view of the recent measurement of R(J/ψ) [34]. The information on spin splittings and decay constants can shed light on their structures and help us to understand the nature of strong interactions at multiple scales. Moreover, bc baryon decays can aid in studying b → c transition and |V cb | element of the CKM matrix.However, to date the discovery of these hadrons is limited to only two observations: B c (0 − ) with mass 6275(1) MeV [35] and B c (2S)(0 − ) at 6842(6) MeV [36] while the latter has not yet been confirmed [37]. On the other hand, LHC being an efficient factory for producing bc hadrons [38,39], one would envisage for their discovery and study their decays in near future. Precise theoretical predictions related to the energy spectra and decay of these hadrons are thus utmost essential to guide their discovery.In fact various model calculations exist in literatures on bc mesons [40][41][42][43][44][45][46] and baryons [47][48][49][50][51][52][53]. However, those predictions vary widely, e.g. 1S-hyperfine splitting in B c (bc...

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confidence: 99%

Precise Predictions of Charmed-Bottom Hadrons from Lattice QCD

2018

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“…It is found that the amplitudes shown in Eqs. (9) and (10) are unique in the non-relativistic limit. This can be understood by considering the conservation of spin and parity of the particles participating in the interaction.…”

Section: B Amplitudesmentioning

confidence: 99%

“…We can obtain cos θ 12 dependence by taking the square of the amplitude in Eqs. (9) and (10) respectively. This cos θ 12 produces the asymmetric pattern in the angle correlations between the two pions.…”

Section: B Amplitudesmentioning

confidence: 99%

“…Three-body decays of heavy baryons have been observed experimentally and studied theoretically by using various hadron models [1][2][3][4][5]. Their properties such as masses and decay widths have been extracted, and also spin and parity J P have been identified [6][7][8][9]. For instance, the spin J = 5/2 of Λ * c (2880) was clearly identified by the decay angular correlations [6].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Three-body decay of Λc(2595) and Λ
Arifi¹,
Nagahiro²
2018
Phys. Rev. D*
14
0
8
0
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We investigate the three-body decays of Λ * c (2595) and Λ * c (2625) into Λcππ by including a direct process going through the two-pion coupling of Λ * c Λcππ in addition to the sequential processes going through Σc(2455) and Σ * c (2520). The strength of the direct coupling is related to that of the Yukawa coupling by the chiral partner structure between Λc's and Σc's, while the strength of the Yukawa coupling is estimated by the quark model. It is found that the direct process gives a considerable contribution especially in the decay of Λ * c (2625). A clear indication of the direct process is seen in an asymmetric pattern in the angular correlation between the two pions. We discuss the usefulness of the detailed analysis of the decays for the study of the structure of Λ * c .

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“…970 ± 60 ± 20 20.4 [3]. An exponential model is used for the nonresonant partial waves, and the J P = 3/2 − hypothesis is used for the Λ c (2940) + state.…”

Section: Resonancementioning

confidence: 99%

Recent LHCb Results in Charm Spectroscopy

He¹

2019

Proceedings of the 39th International Conference on High Energy Physics — PoS(ICHEP2018)

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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. This paper presents the recent LHCb results in charm spectroscopy, including the observation of five new excited Ω 0 c states, the study of excited Λ + c states using the Λ 0 b → D 0 pπ − decay, and the observation of the doubly charmed baryon Ξ ++ cc in its decays to Λ + c K − π + π + and Ξ + c π + .

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Study of the D 0 p amplitude in Λ b 0 → D 0 pπ − decays

Cited by 71 publications

References 34 publications

Precise Predictions of Charmed-Bottom Hadrons from Lattice QCD

Precise Predictions of Charmed-Bottom Hadrons from Lattice QCD

Three-body decay of Λc(2595) and Λ
Arifi¹,
Nagahiro²
2018
Phys. Rev. D*
14
0
8
0
View full text Add to dashboard Cite

Recent LHCb Results in Charm Spectroscopy

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Study of the D 0 p amplitude in Λ b 0 → D 0 pπ − decays

Cited by 71 publications

References 34 publications

Precise Predictions of Charmed-Bottom Hadrons from Lattice QCD

Precise Predictions of Charmed-Bottom Hadrons from Lattice QCD

Three-body decay of Λc*(2595) and ΛArifi1, Nagahiro2 2018Phys. Rev. D14080View full textAdd to dashboardCite

Recent LHCb Results in Charm Spectroscopy

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Three-body decay of Λc(2595) and Λ
Arifi¹,
Nagahiro²
2018
Phys. Rev. D*
14
0
8
0
View full text Add to dashboard Cite