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and production in Pb-Pb collisions at
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The production of the hypertriton nuclei mmlsi1" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si1.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=d9a97364514b70d3ac5ff066d88862ed">mg class="imgLazyJSB inlineImage" height="18" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si1.gif">mathContainer hidden">mathCode"><math altimg="si1.gif" overflow="scroll"><mmultiscripts><mrow><mi mathvariant="normal">Hmi>mrow><mprescripts>mprescripts><mrow><mi mathvariant="normal">Λmi>mrow><mrow><mn>3mn>mrow>mmultiscripts>math> and mmlsi2" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si2.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=630707bfce3f74f3fe4dd1303a2b80c1">mg class="imgLazyJSB inlineImage" height="20" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si2.gif">mathContainer hidden">mathCode"><math altimg="si2.gif" overflow="scroll"><mmultiscripts><mrow><mover accent="true"><mrow><mi mathvariant="normal">Hmi>mrow><mo>‾mo>mover>mrow><mprescripts>mprescripts><mrow><mover accent="true"><mrow><mi mathvariant="normal">Λmi>mrow><mrow><mo stretchy="false">&macr;mo>mrow>mover>mrow><mrow><mn>3mn>mrow>mmultiscripts>math> has been measured for the first time in Pb–Pb collisions at mmlsi115" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si115.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=98792dde095d1ff824360d8f4b21694d">mg class="imgLazyJSB inlineImage" height="15" width="105" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si115.gif">mathContainer hidden">mathCode"><math altimg="si115.gif" overflow="scroll"><msqrt><msub><mrow><mi>smi>mrow><mrow><mi mathvariant="normal">NNmi>mrow>msub>msqrt><mo>=mo><mn>2.76mn><mtext> TeVmtext>math> with the ALICE experiment at LHC. The mmlsi4" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si4.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=f8bc50051a5ce47a84f177607d3d28ca" title="Click to view the MathML source">pTmathContainer hidden">mathCode"><math altimg="si4.gif" overflow="scroll"><msub><mrow><mi>pmi>mrow><mrow><mi mathvariant="normal">Tmi>mrow>msub>math>-integrated mmlsi1" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si1.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=d9a97364514b70d3ac5ff066d88862ed">mg class="imgLazyJSB inlineImage" height="18" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si1.gif">mathContainer hidden">mathCode"><math altimg="si1.gif" overflow="scroll"><mmultiscripts><mrow><mi mathvariant="normal">Hmi>mrow><mprescripts>mprescripts><mrow><mi mathvariant="normal">Λmi>mrow><mrow><mn>3mn>mrow>mmultiscripts>math> yield in one unity of rapidity, mmlsi5" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si5.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=065282f474a03bba13ec2f740d802298">mg class="imgLazyJSB inlineImage" height="22" width="414" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si5.gif">mathContainer hidden">mathCode"><math altimg="si5.gif" overflow="scroll"><mi mathvariant="normal">dmi><mi>Nmi><mo stretchy="false">/mo><mi mathvariant="normal">dmi><mi>ymi><mo>&times;mo><msub><mrow><mi mathvariant="normal">Bmi><mo>.mo><mi mathvariant="normal">Rmi><mo>.mo>mrow><mrow><mo stretchy="true">(mo><mmultiscripts><mrow><mi mathvariant="normal">Hmi>mrow><mprescripts>mprescripts><mrow><mi mathvariant="normal">Λmi>mrow><mrow><mn>3mn>mrow>mmultiscripts><mo stretchy="false">→mo><mmultiscripts><mrow><mi mathvariant="normal">Hemi>mrow><mprescripts>mprescripts><mrow><mn>3mn>mrow>mmultiscripts><mo>,mo><msup><mrow><mi>πmi>mrow><mrow><mo>&minus;mo>mrow>msup><mo stretchy="true">)mo>mrow>msub><mo>=mo><mrow><mo stretchy="true">(mo><mn>3.86mn><mo>&plusmn;mo><mn>0.77mn><mo stretchy="false">(mo><mtext>stat.mtext><mo stretchy="false">)mo><mo>&plusmn;mo><mn>0.68mn><mo stretchy="false">(mo><mtext>syst.mtext><mo stretchy="false">)mo><mo stretchy="true">)mo>mrow><mo>&times;mo><msup><mrow><mn>10mn>mrow><mrow><mo>&minus;mo><mn>5mn>mrow>msup>math> in the 0–10% most central collisions, is consistent with the predictions from a statistical thermal model using the same temperature as for the light hadrons. The coalescence parameter mmlsi6" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si6.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=ffd5248ddd0bde7fe0908d1e417a399d" title="Click to view the MathML source">B3mathContainer hidden">mathCode"><math altimg="si6.gif" overflow="scroll"><msub><mrow><mi>Bmi>mrow><mrow><mn>3mn>mrow>msub>math> shows a dependence on the transverse momentum, similar to the mmlsi7" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si7.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=44ae3afd5195752b732a7875a136bcba" title="Click to view the MathML source">B2mathContainer hidden">mathCode"><math altimg="si7.gif" overflow="scroll"><msub><mrow><mi>Bmi>mrow><mrow><mn>2mn>mrow>msub>math> of deuterons and the mmlsi6" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si6.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=ffd5248ddd0bde7fe0908d1e417a399d" title="Click to view the MathML source">B3mathContainer hidden">mathCode"><math altimg="si6.gif" overflow="scroll"><msub><mrow><mi>Bmi>mrow><mrow><mn>3mn>mrow>msub>math> of 3He nuclei. The ratio of yields mmlsi113" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si113.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=7399ffecdfb0d9f9b29b3e0e8f37f63d">mg class="imgLazyJSB inlineImage" height="18" width="134" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si113.gif">mathContainer hidden">mathCode"><math altimg="si113.gif" overflow="scroll"><msub><mrow><mi>Smi>mrow><mrow><mn>3mn>mrow>msub><mo>=mo><mmultiscripts><mrow><mi mathvariant="normal">Hmi>mrow><mprescripts>mprescripts><mrow><mi mathvariant="normal">Λmi>mrow><mrow><mn>3mn>mrow>mmultiscripts><mo stretchy="false">/mo><mo stretchy="false">(mo><mmultiscripts><mrow><mi mathvariant="normal">Hemi>mrow><mprescripts>mprescripts><mrow><mn>3mn>mrow>mmultiscripts><mo>&times;mo><mi mathvariant="normal">Λmi><mo stretchy="false">/mo><mi mathvariant="normal">pmi><mo stretchy="false">)mo>math> was measured to be mmlsi9" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si9.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=d7332616ed2692bd9a6c492564fb1508" title="Click to view the MathML source">S3=0.60&plusmn;0.13(stat.)&plusmn;0.21(syst.)mathContainer hidden">mathCode"><math altimg="si9.gif" overflow="scroll"><msub><mrow><mi>Smi>mrow><mrow><mn>3mn>mrow>msub><mo>=mo><mn>0.60mn><mo>&plusmn;mo><mn>0.13mn><mo stretchy="false">(mo><mtext>stat.mtext><mo stretchy="false">)mo><mo>&plusmn;mo><mn>0.21mn><mo stretchy="false">(mo><mtext>syst.mtext><mo stretchy="false">)mo>math> in 0–10% centrality events; this value is compared to different theoretical models. The measured mmlsi10" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si10.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=5485cc1b27883725fd196bc48ef9dc40" title="Click to view the MathML source">S3mathContainer hidden">mathCode"><math altimg="si10.gif" overflow="scroll"><msub><mrow><mi>Smi>mrow><mrow><mn>3mn>mrow>msub>math> is compatible with thermal model predictions. The measured mmlsi1" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si1.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=d9a97364514b70d3ac5ff066d88862ed">mg class="imgLazyJSB inlineImage" height="18" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si1.gif">mathContainer hidden">mathCode"><math altimg="si1.gif" overflow="scroll"><mmultiscripts><mrow><mi mathvariant="normal">Hmi>mrow><mprescripts>mprescripts><mrow><mi mathvariant="normal">Λmi>mrow><mrow><mn>3mn>mrow>mmultiscripts>math> lifetime, mmlsi11" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si11.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=163006bae5587e43d8fd7f47883f88e2">mg class="imgLazyJSB inlineImage" height="19" width="192" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si11.gif">mathContainer hidden">mathCode"><math altimg="si11.gif" overflow="scroll"><mi>τmi><mo>=mo><msubsup><mrow><mn>181mn>mrow><mrow><mo>&minus;mo><mn>39mn>mrow><mrow><mo>+mo><mn>54mn>mrow>msubsup><mo stretchy="false">(mo><mtext>stat.mtext><mo stretchy="false">)mo><mo>&plusmn;mo><mn>33mn><mo stretchy="false">(mo><mtext>syst.mtext><mo stretchy="false">)mo><mspace width="0.25em">mspace><mrow><mi mathvariant="normal">psmi>mrow>math> is in agreement within 1m>σm> with the world average value.

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