High-statistics study of $K^0_S K^0_S$ pair production in two-photon collisions

Uehara, S.; Bračko, Marko; Golob, Boštjan; Klučar, Jure; Korpar, Samo; Križan, Peter; Pestotnik, Rok; Petrič, Marko; Starič, Marko; Šantelj, Luka; Zupanc, Anže

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Naslov:	High-statistics study of $K^0_S K^0_S$ pair production in two-photon collisions
Avtorji:	ID Uehara, S. (Avtor) ID Bračko, Marko (Avtor) ID Golob, Boštjan (Avtor) ID Klučar, Jure (Avtor) ID Korpar, Samo (Avtor) ID Križan, Peter (Avtor) ID Pestotnik, Rok (Avtor) ID Petrič, Marko (Avtor) ID Starič, Marko (Avtor) ID Šantelj, Luka (Avtor) ID Zupanc, Anže (Avtor), et al.
Datoteke:	Progress_of_Theoretical_and_Experimental_Physics_2013_Uehara_et_al._High-statistics_study_of_KsubSsup0_pair_production_in_two-photon_col.pdf (2,28 MB) MD5: F5E129A8EDD5F3BE041B71C5D26A3B8D PID: 20.500.12556/dkum/fc918ac5-4b2c-4bb1-95f2-5715f3b53e4e https://academic.oup.com/ptep/article-lookup/doi/10.1093/ptep/ptt097
Jezik:	Angleški jezik
Vrsta gradiva:	Znanstveno delo
Tipologija:	1.01 - Izvirni znanstveni članek
Organizacija:	FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Opis:	We report a high-statistics measurement of the differential cross section of the process $\gamma \gamma \to K^0_S K^0_S$ in the range $1.05\,{\mathrm {GeV}} \leq W \leq 4.00$ , where W is the center-of-mass energy of the colliding photons, using 972 $^{-1}$ of data collected with the Belle detector at the KEKB asymmetric-energy e+e− collider operated at and near the $\Upsilon$ -resonance region. The differential cross section is fitted by parameterized S-, $D_0$ , $D_2$ -, $G_0$ -, and $G_2$ -wave amplitudes. In the $D_2$ wave, the $f_2$ (1270), $a_2$ (1320), and $f′_2$ (1525) are dominant and a resonance, the $f_2$ (2200), is also present. The $f_0$ (1710) and possibly the $f_0$ (2500) are seen in the S wave. The mass, total width, and product of the two-photon partial decay width and decay branching fraction to the $K \bar {K}$ state $\Gamma _{\gamma \gamma }\mathcal {B}(K \bar {K})$ are extracted for the $f′_2$ (1525), $f_0$ (1710), $f_2$ (2200), and $f_0$ (2500). The destructive interference between the $f_2$ (1270) and $a_2$ (1320) is confirmed by measuring their relative phase. The parameters of the charmonium states $\chi _{c0}$ and $\chi _{c2}$ are updated. Possible contributions from the $\chi _{c0}(2P)$ and $\chi _{c2}(2P)$ states are discussed. A new upper limit for the branching fraction of the P- and CP-violating decay channel $\eta _c \to K^0_S K^0_S$ is reported. The detailed behavior of the cross section is updated and compared with QCD-based calculations.
Ključne besede:	C00, C05, C07, C21, quantum chromodynamics, quark model, particle properties, lepton collider experiments, experimental particle physics
Status publikacije:	Objavljeno
Verzija publikacije:	Objavljena publikacija
Leto izida:	2013
Št. strani:	str. 1-45
Številčenje:	Letn. 2013, št. 12
PID:	20.500.12556/DKUM-66976
ISSN:	2050-3911
UDK:	539.1
COBISS.SI-ID:	27459367
DOI:	10.1093/ptep/ptt097
ISSN pri članku:	2050-3911
NUK URN:	URN:SI:UM:DK:BDHIMT0R
Datum objave v DKUM:	21.07.2017
Število ogledov:	1578
Število prenosov:	248
Metapodatki:
Področja:	Ostalo
:	UEHARA, S., BRAČKO, Marko, GOLOB, Boštjan, KLUČAR, Jure, KORPAR, Samo, KRIŽAN, Peter, PESTOTNIK, Rok, PETRIČ, Marko, STARIČ, Marko, ŠANTELJ, Luka in ZUPANC, Anže, 2013, High-statistics study of $K^0_S K^0_S$ pair production in two-photon collisions. Progress of Theoretical and Experimental Physics [na spletu]. 2013. Vol. 2013, no. 12, p. 1–45. [Dostopano 4 april 2025]. DOI 10.1093/ptep/ptt097. Pridobljeno s: https://dk.um.si/IzpisGradiva.php?lang=slv&id=66976 Kopiraj citat

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Gradivo je del revije

Naslov:	Progress of Theoretical and Experimental Physics
Skrajšan naslov:	Prog. Theor. Exp. Phys.
Založnik:	Oxford University Press
ISSN:	2050-3911
COBISS.SI-ID:	2704635

Licence

Licenca:	CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna

Povezava:	http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:	To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:	21.07.2017

Sekundarni jezik

Jezik:	Slovenski jezik
Ključne besede:	C00, C05, C07, C21, kvantna kromodinamika, kvarkovski model, lastnosti delcev, eksperimenti, leptonski trkalnik, eksperimentalna fizika delcev

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