Production of deuterons, tritons, 3He nuclei, and their antinuclei in pp collisions at √s = 0.9, 2.76, and 7 TeV
ALICE Collaboration. (2018). Production of deuterons, tritons, 3He nuclei, and their antinuclei in pp collisions at √s = 0.9, 2.76, and 7 TeV. Physical Review C, 97(2), Article 024615. https://doi.org/10.1103/PhysRevC.97.024615
Julkaistu sarjassa
Physical Review CTekijät
Päivämäärä
2018Tekijänoikeudet
© 2018 CERN, for the ALICE Collaboration.
Invariant differential yields of deuterons and antideuterons in
p
p
collisions at
√
s
= 0.9, 2.76 and 7 TeV and the yields of tritons,
3
He
nuclei, and their antinuclei at
√
s
= 7 TeV have been measured with the ALICE detector at the CERN Large Hadron Collider. The measurements cover a wide transverse momentum (
p
T
) range in the rapidity interval
|
y
|
<
0.5
, extending both the energy and the
p
T
reach of previous measurements up to 3 GeV/
c
for
A
=
2
and 6 GeV/
c
for
A
=
3
. The coalescence parameters of (anti)deuterons and
3
¯¯¯¯
He
nuclei exhibit an increasing trend with
p
T
and are found to be compatible with measurements in
p
A
collisions at low
p
T
and lower energies. The integrated yields decrease by a factor of about 1000 for each increase of the mass number with one (anti)nucleon. Furthermore, the deuteron-to-proton ratio is reported as a function of the average charged particle multiplicity at different center-of-mass energies.
...
Julkaisija
American Physical SocietyISSN Hae Julkaisufoorumista
2469-9985Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/27970442
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