Systematic analysis of hadron spectra in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mo>+</mml:mo><mml:mi>p</mml:mi></mml:math>collisions using Tsallis distributions
H. ZhengCyclotron Institute, Texas A&M University, College Station, Texas 77843, USALilin ZhuCollege of Physical Science and Technology, Sichuan University, Chengdu 610064, People’s Republic of ChinaA. BonaseraCyclotron Institute, Texas A&M University, College Station, Texas 77843, USA
2015lv
ABI
Аннотация
Using the experimental data from the STAR, PHENIX, ALICE, and CMS programs on the rapidity and energy dependence of the ${p}_{T}$ spectra in $p+p$ collisions, we show that a universal distribution exists. The energy dependence of temperature $T$ and parameter $n$ of the Tsallis distribution are also discussed in detail. A cascade particle production mechanism in $p+p$ collisions is proposed.
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