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@ARTICLE{Moon:442594,
author = {Moon, T. J. and Tanida, K. and Kato, Y. and Kim, S. K. and
Adachi, I. and Ahn, J. K. and Aihara, H. and Al Said, S. and
Asner, D. M. and Aulchenko, V. and Aushev, T. and Ayad, R.
and Babu, V. and Bahinipati, S. and Behera, P. and Beleño,
C. and Bennett, J. and Bessner, M. and Bhuyan, B. and Bilka,
T. and Biswal, J. and Bonvicini, G. and Bozek, A. and
Bračko, M. and Browder, T. E. and Campajola, M. and Cao, L.
and Červenkov, D. and Chang, M.-C. and Chang, P. and Chen,
A. and Cheon, B. G. and Chilikin, K. and Cho, K. and Choi,
S.-K. and Choi, Y. and Choudhury, S. and Cinabro, D. and
Cunliffe, S. and Dash, N. and De Nardo, G. and Di Capua, F.
and Doležal, Z. and Dong, T. V. and Dossett, D. and Dubey,
S. and Eidelman, S. and Epifanov, D. and Ferber, T. and
Fulsom, B. G. and Garg, R. and Gaur, V. and Gabyshev, N. and
Garmash, A. and Giri, A. and Goldenzweig, P. and Golob, B.
and Hadjivasiliou, C. and Hartbrich, O. and Hayasaka, K. and
Hayashii, H. and Hedges, M. T. and Hou, W.-S. and Hsu, C.-L.
and Inami, K. and Inguglia, G. and Ishikawa, A. and Itoh, R.
and Iwasaki, M. and Iwasaki, Y. and Jacobs, W. W. and Jia,
S. and Jin, Y. and Joo, K. K. and Kang, K. H. and Karyan, G.
and Kawasaki, T. and Kichimi, H. and Kiesling, C. and Kim,
B. H. and Kim, D. Y. and Kim, K. T. and Kim, S. H. and Kim,
Y. J. and Kim, Y.-K. and Kimmel, T. D. and Kinoshita, K. and
Kodyš, P. and Korpar, S. and Kotchetkov, D. and Križan, P.
and Kroeger, R. and Krokovny, P. and Kuhr, T. and Kumar, R.
and Kumara, K. and Kuzmin, A. and Kwon, Y.-J. and Lee, I. S.
and Lee, J. Y. and Lee, S. C. and Li, L. K. and Li, Y. B.
and Li Gioi, L. and Libby, J. and Liptak, Z. and Liventsev,
D. and Luo, T. and MacQueen, C. and Masuda, M. and Matsuda,
T. and Matvienko, D. and Merola, M. and Miyabayashi, K. and
Miyata, H. and Mizuk, R. and Mohanty, G. B. and Mohanty, S.
and Mori, T. and Mussa, R. and Nakano, T. and Nakao, M. and
Natkaniec, Z. and Natochii, A. and Nayak, M. and Niiyama, M.
and Nisar, N. K. and Nishida, S. and Ogawa, K. and Ogawa, S.
and Ono, H. and Pakhlov, P. and Pakhlova, G. and Pardi, S.
and Park, H. and Park, S.-H. and Patra, S. and Paul, S. and
Pedlar, T. K. and Pestotnik, R. and Piilonen, L. E. and
Podobnik, T. and Popov, V. and Prencipe, E. and Prim, M. T.
and Ritter, M. and Rout, N. and Russo, G. and Sahoo, D. and
Sakai, Y. and Sandilya, S. and Sangal, A. and Santelj, L.
and Savinov, V. and Schnell, G. and Schueler, J. and
Schwanda, C. and Seidl, R. and Seino, Y. and Senyo, K. and
Sevior, M. E. and Shapkin, M. and Shen, C. P. and Shiu,
J.-G. and Shwartz, B. and Solovieva, E. and Starič, M. and
Stottler, Z. S. and Sumihama, M. and Sumisawa, K. and
Sumiyoshi, T. and Sutcliffe, W. and Takizawa, M. and
Tamponi, U. and Tenchini, F. and Trabelsi, K. and Uchida, M.
and Uehara, S. and Uglov, T. and Unno, Y. and Uno, S. and
Urquijo, P. and Vahsen, S. E. and Van Tonder, R. and Varner,
G. and Vinokurova, A. and Vorobyev, V. and Vossen, A. and
Wang, C. H. and Wang, E. and Wang, M.-Z. and Wang, P. and
Wehle, S. and Wiechczynski, J. and Xu, X. and Yabsley, B. D.
and Yang, S. B. and Ye, H. and Yelton, J. and Yin, J. H. and
Yuan, C. Z. and Zhang, Z. P. and Zhilich, V. and Zhukova, V.
and Zhulanov, V.},
collaboration = {{Belle Collaboration}},
title = {{F}irst {D}etermination of the {S}pin and {P}arity of a
{C}harmed-{S}trange {B}aryon, $\Xi_{c}(2970)^+$},
reportid = {PUBDB-2020-03130, arXiv:2007.14700. BELLE Preprint 2020-09},
pages = {1-15},
year = {2020},
note = {To be submitted to Physical Review Letters},
abstract = {We report results from a study of the spin and parity of
$\Xi_{c}(2970)^+$ using a $980~\mathrm{fb^{-1}}$ data sample
collected by the Belle detector at the KEKB
asymmetric-energy $e^{+}e^{-}$ collider. The decay angle
distributions in the chain $\Xi_{c}(2970)^+ \to
\Xi_c(2645)^{0}\pi^{+} \to \Xi_c^{+}\pi^{-}\pi^{+}$ are
analyzed to determine the spin of this charmed-strange
baryon. The angular distributions strongly favor the
$\Xi_{c}(2970)^+$ spin $J =1/2$ over $3/2$ or $5/2$, under
an assumption that the lowest partial wave dominates in the
decay. We also measure the ratio of $\Xi_{c}(2970)^+$ decay
branching fractions $R={\mathcal{B}[ \Xi_{c}(2970)^+ \to
\Xi_c(2645)^{0}\pi^{+} ]} / { \mathcal{B}[ \Xi_{c}(2970)^+
\to \Xi_c^{\prime0}\pi^{+} ]} =1.67 \pm
0.29\mathrm{(stat.)}^{ +0.15}_{ -0.09}\mathrm{(syst.)} \pm
0.25\mathrm{(IS)}$, where the last uncertainty is due to
possible isospin-symmetry-breaking effects. This $R$ value
favors the spin-parity $J^P=1/2^+$ with the spin of the
light-quark degrees of freedom $s_{l}=0$. This is the first
determination of the spin and parity of a charmed-strange
baryon.},
keywords = {electron positron: annihilation (INSPIRE) / electron
positron: colliding beams (INSPIRE) / Xi/c(2980): hadronic
decay (INSPIRE) / Xi/c(2645): hadronic decay (INSPIRE) /
baryon: spin (INSPIRE) / baryon: parity (INSPIRE) / measure:
ratio (INSPIRE) / charmed baryon: strangeness (INSPIRE) /
angular distribution (INSPIRE) / Xi/c(2980): branching ratio
(INSPIRE) / branching ratio: ratio: measured (INSPIRE) /
partial wave (INSPIRE) / KEK-B (INSPIRE) / BELLE (INSPIRE) /
experimental results (INSPIRE) / Xi/c(2980)+ --> Xi/c(2645)0
pi+ (INSPIRE) / Xi/c(2645)0 --> Xi/c+ pi- pi+ (INSPIRE)},
cin = {Belle},
cid = {I:(DE-H253)Belle-20160426},
pnm = {611 - Fundamental Particles and Forces (POF3-611)},
pid = {G:(DE-HGF)POF3-611},
experiment = {EXP:(DE-H253)BELLE-20150101},
typ = {PUB:(DE-HGF)25},
eprint = {2007.14700},
howpublished = {arXiv:2007.14700},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2007.14700;\%\%$},
doi = {10.3204/PUBDB-2020-03130},
url = {https://bib-pubdb1.desy.de/record/442594},
}