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Update of inclusive cross sections of single and pairs of identified light charged hadrons
Update of inclusive cross sections of single and pairs of identified light charged hadrons
We report new measurements of the production cross sections of pairs of charged pions and kaons as a function of their fractional energies using various fractional-energy definitions. Two different fractional-energy definitions were used and compared to the conventional fractional-energy definition reported previously. The new variables aim at either identifying dihadron cross sections in terms of single-hadron fragmentation functions, or to provide a means of characterizing the transverse momentum created in the fragmentation process. The results were obtained applying the updated initial-state radiation correction used in other recent Belle publications on light-hadron production cross sections. In addition, production cross sections of single charged pions, kaons, and protons were also updated using this initial-state radiation correction. The cross sections are obtained from a $558\,{\rm fb}^{-1}$ data sample collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider.
- Institute for High Energy Physics Russian Federation
- University of Florida United States
- Norwegian Institute for Cultural Heritage Research Norway
- Deutsches Elektronen-Synchrotron DESY Germany
- University of Hawaiʻi Sea Grant United States
pair production [K], data analysis method, Upsilon(10570): electroproduction, measured [channel cross section], BELLE, annihilation [electron positron], electron positron: annihilation, transverse momentum, fragmentation function, energy dependence, pi: electroproduction, KEK-B, K: pair production, fragmentation, radiation: initial-state interaction, inclusive reaction [electron positron], initial state, K: electroproduction, electroproduction [dihadron], electroproduction [pi], dihadron: electroproduction, initial-state interaction [radiation], electron positron: inclusive reaction, electron positron: colliding beams, pair production [pi], electroproduction [K], fractional, electroproduction [Upsilon(10570)], colliding beams [electron positron], electroproduction [p], pi: pair production, p: electroproduction, channel cross section: measured, experimental results
pair production [K], data analysis method, Upsilon(10570): electroproduction, measured [channel cross section], BELLE, annihilation [electron positron], electron positron: annihilation, transverse momentum, fragmentation function, energy dependence, pi: electroproduction, KEK-B, K: pair production, fragmentation, radiation: initial-state interaction, inclusive reaction [electron positron], initial state, K: electroproduction, electroproduction [dihadron], electroproduction [pi], dihadron: electroproduction, initial-state interaction [radiation], electron positron: inclusive reaction, electron positron: colliding beams, pair production [pi], electroproduction [K], fractional, electroproduction [Upsilon(10570)], colliding beams [electron positron], electroproduction [p], pi: pair production, p: electroproduction, channel cross section: measured, experimental results
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