inclusive spectrum
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2019 ◽  
Vol 28 (10) ◽  
pp. 1950084
Author(s):  
Mais Suleymanov

The inclusive spectrum of the charged particles, [Formula: see text]0- and [Formula: see text]-mesons produced in the pp collisions at LHC energies were analyzed by fitting them with exponential functions. It was found the spectra were composed of several p[Formula: see text] regions, which could be characterized by the length of the regions [Formula: see text] and two free fitting parameters [Formula: see text] and [Formula: see text]. The study of the [Formula: see text] dependences of the parameters [Formula: see text] and [Formula: see text] and of the energy dependencies of the [Formula: see text], [Formula: see text] and [Formula: see text] showed that the regions can be classified into two groups depending on the values of the [Formula: see text], [Formula: see text] and [Formula: see text]. The values of the [Formula: see text] and [Formula: see text] for the first group don’t depend on colliding energy and the type of the particles (though the values of [Formula: see text] increase linearly with energy) whereas the characteristics in the second group of regions show strong dependencies. It was found that the ratio of the length for the [Formula: see text]-mesons to one for the [Formula: see text]0-mesons is approximately equal to the ratio of their mass: [Formula: see text]. Assuming that the values of the [Formula: see text] are directly proportional to the string tension the result could be considered as evidence in favor of parton string fragmentation dynamics. The increase in the lengths for the [Formula: see text]-mesons’ regions is accompanied by an increase of the values for the parameter [Formula: see text]. It can mean that the [Formula: see text]-mesons were produced at smaller values of [Formula: see text] compared with that for [Formula: see text]0-mesons. The results show that for the first group of regions the lengths of the regions are [Formula: see text]3–5 times greater than the lengths of neighboring, lower p[Formula: see text] regions. For the second group of regions the lengths of the regions are [Formula: see text]1–2 times greater than the lengths of neighboring lower p[Formula: see text] region. In the framework of the string fragmentation and hadronization dynamics, this could mean that the particles in the group [Formula: see text] of regions are produced through previous-generation strings decays into [Formula: see text]3–5 strings while those in group [Formula: see text] originate from previous-generation strings decays into [Formula: see text]2 strings.



2014 ◽  
Vol 2014 (10) ◽  
pp. 101D03-101D03 ◽  
Author(s):  
Y. Ichikawa ◽  
T. Nagae ◽  
H. Bhang ◽  
S. Bufalino ◽  
H. Ekawa ◽  
...  
Keyword(s):  




2008 ◽  
Vol 119 (6) ◽  
pp. 1005-1027 ◽  
Author(s):  
S. Hashimoto ◽  
M. Kohno ◽  
K. Ogata ◽  
M. Kawai


2006 ◽  
Vol 74 (6) ◽  
Author(s):  
M. Kohno ◽  
Y. Fujiwara ◽  
Y. Watanabe ◽  
K. Ogata ◽  
M. Kawai






1978 ◽  
Vol 17 (11) ◽  
pp. 3022-3031 ◽  
Author(s):  
A. Garcia Azcárate


1976 ◽  
Vol 105 (2) ◽  
pp. 333-348 ◽  
Author(s):  
A. Capella ◽  
J. Kaplan ◽  
J. Tran Thanh Van


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