scholarly journals Observation of Photons above 300 TeV Associated with a High-energy Neutrino from the Cygnus Region

2021 ◽  
Vol 916 (2) ◽  
pp. L22
Author(s):  
D. D. Dzhappuev ◽  
Yu. Z. Afashokov ◽  
I. M. Dzaparova ◽  
T. A. Dzhatdoev ◽  
E. A. Gorbacheva ◽  
...  
Pramana ◽  
2012 ◽  
Vol 79 (5) ◽  
pp. 1301-1308 ◽  
Author(s):  
A COOPER-SARKAR ◽  
P MERTSCH ◽  
S SARKAR

1980 ◽  
Vol 97 (2) ◽  
pp. 325-328 ◽  
Author(s):  
T. Kitagaki ◽  
S. Tanaka ◽  
H. Yuta ◽  
K. Abe ◽  
K. Hasegawa ◽  
...  

2018 ◽  
Vol 3 (1) ◽  
pp. 88-92 ◽  
Author(s):  
Shan Gao ◽  
Anatoli Fedynitch ◽  
Walter Winter ◽  
Martin Pohl

2019 ◽  
Vol 206 ◽  
pp. 02004
Author(s):  
Antoni Szczurek

We discuss some new aspects of charm production trigerred by recent observations of the LHCb collaboration. The LHCb collaboration measured small asymmetries in production of D+D−mesons as well as $ D_s^ + D_s^ - $ mesons. Is this related to initial quark/antiquark asymmetries in the proton ? Here we discuss a scenario in which unfavored fragmentations $ q/\bar {q} \to D $ and $ s/\bar {s} \to D_s $ are responsible for the asymmetries. We fix the strength of such fragmentations – transition probabilities, by adjusting to the size of the LHCb asymmetries. This has consequences for production of D mesons in forward directions (large xF ) as well as at low energies. Large asymmetries are predicted then in these regions. We present here some of our predictions. Consequences for high-energy neutrino production in the atmosphere are discussed and quantified. The production of Λc baryon at the LHC is disussed. Large deviations from the independent-parton fragmentation picture are found.


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