Observation of New States Decaying into<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>Λ</mml:mi><mml:mi>c</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:msup><mml:mi>K</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>Λ</mml:mi><mml:mi>c</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:msubsup><mml:mi>K</mml:mi><mm

Chistov, R.; Abe, K.; Adachi, I.; Aihara, H.; Anipko, D.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Balagura, V.; Barberio, E. L.; Bay, A.; Bedny, I.; Belous, K.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bożek, A.; Bračko, M.; Brodzicka, J.; Browder, T. E.; Chang, M.-C.; Chào, Y.; Chen, A.; Chen, K. F.; Chen, W. T.; Cheon, B. G.; Choi, Young-Il; Chuvikov, A.; Cole, S.; Dalseno, J.; Danilov, M.; Dash, M.; Dragic, J.; Drutskoy, A.; Eidelman, S.; Epifanov, D.; Gabyshev, N.; Garmash, A.; Gershon, T.; Go, A.; Gokhroo, G.; Golob, B.; Gorišek, A.; Ha, H.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Heffernan, D.; Hokuue, T.; Hoshi, Y.; Hou, S.; Hou, W.-S.; Hsiung, Y.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kang, J. H.; Katayama, N.; Kawai, H.; Kawasaki, T.; Khan, H. R.; Kichimi, H.; Kim, H. J.; Kim, H. O.; Kinoshita, K.; Korpar, S.; Križan, P.; Krokovny, P.; Kumar, Ramanuj; Kuo, C. C.; Kuzmin, A.; Kwon, Y.; Leder, G.; Lee, J.; Lesiak, T.; Lin, S. W.; Liventsev, D.; Mandl, F.; Marlow, D.; Matsumoto, T.; Matyja, A.; McOnie, S.; Mitaroff, W.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Moloney, G. R.; Nagamine, T.; Nakano, E.; Nakao, M.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Pałka, H.; Park, H.; Park, K. S.; Pestotnik, R.; Piilonen, L. E.; Sakai, Y.; Schietinger, T.; Schneider, O.; Schwartz, A. J.; Seidl, R.; Sevior, M. E.; Shapkin, M.; Shibuya, H.; Shwartz, B.; Sidorov, V.; Singh, J. B.; Sokolov, A.; Somov, A.; Soni, N.; Stanič, S.; Starič, M.; Stoeck, H.; Sumiyoshi, T.; Suzuki, S.; Takasaki, F.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tian, X. C.; Tikhomirov, I.; Tsuboyama, T.; Tsukamoto, T.; Uehara, S.; Uglov, T.; Ueno, K.; Uno, S.; Usov, Y.; Varner, G.; Villa, S.; Wang, C. C.; Wang, C. H.; Wang, M. Z.; Watanabe, Y.; Won, E.; Wu, Chung-Yi; Xie, Qingguo; Yabsley, B.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Zhang, L. M.; Zhang, Z. P.

doi:10.1103/physrevlett.97.162001

Cited by 234 publications

(129 citation statements)

References 36 publications

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“…Note that the decay modes with B c and B ′ c are in accordance with d 4,3 from H(6) and H (15), respectively, such that it is possible that the Cabibbo-allowed Ω ++ ccc → Ξ + c D + decay can be more accessible to the experiments.…”

Section: Jhep11(2017)147mentioning

confidence: 89%

“…For example, the existence of the Ξ + cc state was once reported by the SELEX collaboration [11,12], but not confirmed by the other experiments [13][14][15][16]. Until very recently, LHCb has eventually found the doubly charmed Ξ ++ cc state at a mass of (3621.40 ± 0.72 ± 0.27 ± 0.14) MeV [4], which is reconstructed as the two-body Ξ ++ cc → Σ ++ c (2455)K * 0 decay with the resonant strong decays of Σ ++…”

Section: Introductionmentioning

confidence: 99%

“…where B ccc = Ω ++ ccc as the charmed baryon singlet has no SU(3) flavor index to connect to the final states and H (6,15). The full expansions of the T amplitudes in eq.…”

Section: Jhep11(2017)147mentioning

confidence: 99%

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Charmed baryon weak decays with SU(3) flavor symmetry

Geng

Hsiao

Liu

et al. 2017

J. High Energ. Phys.

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Abstract:We study the semileptonic and non-leptonic charmed baryon decays with SU(3) flavor symmetry, where the charmed baryons can be B c = (n denoted as the baryon octet (decuplet), we find that the B c → B ′ n ℓ + ν ℓ decays are forbidden, while theand Ω ++ ccc → Ω + cc ℓ + ν ℓ decays are the only existing Cabibboallowed modes for B ′ c → B ′ n ℓ + ν ℓ , B cc → B ′ c ℓ + ν ℓ , and B ccc → B (′) cc ℓ + ν ℓ , respectively. We predict the rarely studied.3, 4.8±0.5)×10 −3 . For the observation, the doubly and triply charmed baryon decays ofare the favored Cabibboallowed decays, which are accessible to the BESIII and LHCb experiments.

show abstract

Section: Jhep11(2017)147mentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

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Charmed baryon weak decays with SU(3) flavor symmetry

Geng

Hsiao

Liu

et al. 2017

J. High Energ. Phys.

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“…Recently, the discovery of and searches for double charm baryons have been reported by various experimental collaborations [1][2][3][4]. One is convinced that more and more doubly heavy baryons will be observed in the near future.…”

Section: Introductionmentioning

confidence: 99%

Bethe-Salpeter equation for doubly heavy baryons in the covariant instantaneous approximation

2011

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In the heavy quark limit, a doubly heavy baryon is regarded as composed of a heavy diquark and a light quark. We establish the Bethe-Salpeter (BS) equations for the heavy diquarks and the doubly heavy baryons, respectively, to leading order in a 1/mQ expansion. The BS equations are solved numerically under the covariant instantaneous approximation with the kernels containing scalar confinement and one-gluon-exchange terms. The masses for the heavy diquarks and the doubly heavy baryons are obtained and the non-leptonic decay widths for the doubly heavy baryons emitting a pseudo-scalar meson are calculated within the model.

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“…The lifetime was stated to be shorter than 33 fs at the 90% confidence level, and SELEX concluded that 20% of all Λ þ c baryons observed by the experiment originated from Ξ þ cc decays, implying a relative Ξ cc production rate several orders of magnitude larger than theoretical expectations [11]. Searches from the FOCUS [46], BABAR [47], and Belle [48] experiments did not find evidence for a state with the properties reported by SELEX, and neither did a search at LHCb with data collected in 2011 corresponding to an integrated luminosity of 0.65 fb −1 [49]. However, because the production environments at these experiments differ from that of SELEX, which studied collisions of a hyperon beam on fixed nuclear targets, these null results do not exclude the original observations.…”

mentioning

confidence: 99%

A Doubly Charming Particle

Briceño

2017

Physics

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Observation of New States Decaying intoΛc+K−π+andΛc+K

Cited by 234 publications

References 36 publications

Charmed baryon weak decays with SU(3) flavor symmetry

Charmed baryon weak decays with SU(3) flavor symmetry

Bethe-Salpeter equation for doubly heavy baryons in the covariant instantaneous approximation

A Doubly Charming Particle

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