الاتحاد العربي لعلوم الفضاء والفلك

AUASS

دعوة عامة – محاضرة تحت عنوان “المادة الغريبة والمحيرة ( السالبة ) الناتجة من اندماج النجوم النيوترونية”

الأخوة والأخوات الأعزاء
تجدون ادناه دعوة من عضو المجلس الأعلى للإتحاد العربي لعلوم الفضاء والفلك الأستاذة الدكتورة هالة جسار من جامعة الكويت – رئيسة المجموعة البحثية للفضاء وفيزياء المناخ – قسم الفيزياء وذلك لحضور المحاضرة
التي سيتم القاءها من قبل
الدكتورة :Veronica Dexheimer
من جامعة كنت الحكومية
تحت عنوان
المادة الغريبة والمحيرة ( السالبة ) الناتجة من اندماج النجوم النيوترونية

وتاليآ تفاصيل الأعلان عن الدعوة

Dear All,

Here is the information about our forthcoming colloquium:

Title: Exotic Matter Produced in Neutron star Mergers
Speaker: Veronica Dexheimer
Affiliation: Kent State University, USA
Speaker Profile: https://scholar.google.com/citations?user=sLJESP0AAAAJ&hl=en&oi=sra
Abstract:
Neutron stars are the most dense objects in our universe that we can directly observed. In their cores, different particles from the ones present in atomic nuclei, protons and neutrons, can exist. These particles are hyperons, that contain non-zero strangeness, and possibly quarks, some of them also strange. In the extreme case that neutron stars merge into a black hole, the density increases even further to possibly more than 10 times the density of atomic nuclei. In addition, the temperature in mergers can be much higher than the one generated in the supernova explosions that create neutron stars, approaching the temperatures generated in heavy-ion collisions. Under these conditions, a large amount of strangeness Ys and, more specifically, quark strangeness Ys-quark can be created. As a consequence, a possible strong phase transition can lead to a post-merger gravitational-wave signal considerably different from the one expected from the inspiral and to an anticipated collapse of the merged object.

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Date: Tuesday
Time: May 05, 2020 09:00 PM Riyadh

Join Zoom Meeting (NOTE: registration is needed)
https://iauvle.zoom.us/meeting/register/tJcqd-uvqzMqG9bqXcuSNkc8UtoJ2DzGi_Ju

Please distribute this email within your collaborations and local groups.

Best regards,

Organizers:

Nasser Demir (Kuwait University)
Mubarak Alqahtani (IAU)

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